./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.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/mix023_power.opt_pso.opt_rmo.opt.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/mix023_power.opt_pso.opt_rmo.opt.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix023_power.opt_pso.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 22:14:28,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:14:29,030 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:14:29,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:14:29,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:14:29,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:14:29,071 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:14:29,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:14:29,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:14:29,074 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:14:29,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:14:29,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:14:29,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:14:29,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:14:29,079 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:14:29,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:14:29,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:14:29,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:14:29,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:14:29,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:14:29,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:14:29,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:14:29,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:14:29,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:14:29,082 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:14:29,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:14:29,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:14:29,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:14:29,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:14:29,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:14:29,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:14:29,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:14:29,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:14:29,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:14:29,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:14:29,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:14:29,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:14:29,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:14:29,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:14:29,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:14:29,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:14:29,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:14:29,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:14:29,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:14:29,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:14:29,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:14:29,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:14:29,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:14:29,315 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:14:29,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2024-06-27 22:14:30,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:14:30,499 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:14:30,501 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2024-06-27 22:14:30,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47b5727e/cc7e5512aa4e468396fd43fd7f7da6ba/FLAG61881dcc1 [2024-06-27 22:14:30,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47b5727e/cc7e5512aa4e468396fd43fd7f7da6ba [2024-06-27 22:14:30,532 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:14:30,533 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:14:30,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix023_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-06-27 22:14:30,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:14:30,615 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:14:30,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:14:30,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:14:30,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:14:30,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:14:30" (1/2) ... [2024-06-27 22:14:30,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622251a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:14:30, skipping insertion in model container [2024-06-27 22:14:30,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:14:30" (1/2) ... [2024-06-27 22:14:30,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cadbe4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:14:30, skipping insertion in model container [2024-06-27 22:14:30,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:14:30" (2/2) ... [2024-06-27 22:14:30,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@622251a8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:14:30, skipping insertion in model container [2024-06-27 22:14:30,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:14:30" (2/2) ... [2024-06-27 22:14:30,625 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:14:30,650 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:14:30,652 INFO L97 edCorrectnessWitness]: Location invariant before [L866-L866] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )y) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff0_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EBX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p3_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EBX) - (long long )a >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$mem_tmp >= 0LL) && (long long )y - (long long )y$mem_tmp >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$r_buff1_thd3 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0_used >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1 >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) [2024-06-27 22:14:30,652 INFO L97 edCorrectnessWitness]: Location invariant before [L864-L864] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )y) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff0_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EBX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p3_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EBX) - (long long )a >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$mem_tmp >= 0LL) && (long long )y - (long long )y$mem_tmp >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$r_buff1_thd3 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0_used >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1 >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) [2024-06-27 22:14:30,652 INFO L97 edCorrectnessWitness]: Location invariant before [L862-L862] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )y) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff0_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EBX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p3_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EBX) - (long long )a >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$mem_tmp >= 0LL) && (long long )y - (long long )y$mem_tmp >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$r_buff1_thd3 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0_used >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1 >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) [2024-06-27 22:14:30,652 INFO L97 edCorrectnessWitness]: Location invariant before [L867-L867] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )a >= 0LL) && (0LL - (long long )y) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$r_buff0_thd3 >= 0LL) && (0LL - (long long )y$mem_tmp) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff0_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff0 >= 0LL) && (0LL - (long long )y$r_buff1_thd3) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )y$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EBX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL + (long long )__unbuffered_p3_EAX) - (long long )__unbuffered_p3_EBX >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff0_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$r_buff1_thd4 >= 0LL) && (1LL - (long long )__unbuffered_p3_EBX) - (long long )y$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p3_EBX) - (long long )a >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )y$mem_tmp >= 0LL) && (long long )y - (long long )y$mem_tmp >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$r_buff1_thd3 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff0_used >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff0_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1 >= 0LL) && (long long )y$r_buff1_thd3 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff0_used >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1 >= 0LL) && (long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL) && (long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL) [2024-06-27 22:14:30,652 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:14:30,653 INFO L106 edCorrectnessWitness]: ghost_update [L860-L860] multithreaded = 1; [2024-06-27 22:14:30,692 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:14:30,838 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/mix023_power.opt_pso.opt_rmo.opt.i[966,979] [2024-06-27 22:14:30,994 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:14:31,030 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:14:31,055 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/mix023_power.opt_pso.opt_rmo.opt.i[966,979] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:14:31,215 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:14:31,245 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:14:31,247 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:14:31 WrapperNode [2024-06-27 22:14:31,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:14:31,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:14:31,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:14:31,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:14:31,254 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,283 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,325 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2024-06-27 22:14:31,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:14:31,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:14:31,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:14:31,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:14:31,335 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,335 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,348 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,375 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 22:14:31,381 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,381 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,391 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,400 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,403 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,405 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:14:31,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:14:31,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:14:31,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:14:31,410 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 10:14:31" (1/1) ... [2024-06-27 22:14:31,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:14:31,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:14:31,437 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 22:14:31,451 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 22:14:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:14:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:14:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:14:31,465 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:14:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:14:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:14:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:14:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:14:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:14:31,466 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:14:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:14:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:14:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:14:31,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:14:31,470 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 22:14:31,582 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:14:31,584 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:14:32,044 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:14:32,044 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:14:32,213 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:14:32,213 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:14:32,214 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:14:32 BoogieIcfgContainer [2024-06-27 22:14:32,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:14:32,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:14:32,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:14:32,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:14:32,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:14:30" (1/4) ... [2024-06-27 22:14:32,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad27ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:14:32, skipping insertion in model container [2024-06-27 22:14:32,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:14:30" (2/4) ... [2024-06-27 22:14:32,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad27ccb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:14:32, skipping insertion in model container [2024-06-27 22:14:32,223 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 10:14:31" (3/4) ... [2024-06-27 22:14:32,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ad27ccb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:14:32, skipping insertion in model container [2024-06-27 22:14:32,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:14:32" (4/4) ... [2024-06-27 22:14:32,224 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_power.opt_pso.opt_rmo.opt.i [2024-06-27 22:14:32,237 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:14:32,238 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:14:32,238 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:14:32,286 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:14:32,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:14:32,350 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-06-27 22:14:32,350 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:14:32,355 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 102 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 22:14:32,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:14:32,360 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 55 transitions, 122 flow [2024-06-27 22:14:32,370 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:14:32,379 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;@65edc370, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:14:32,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:14:32,383 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:14:32,384 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 22:14:32,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:14:32,384 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:32,384 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:14:32,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:32,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:32,389 INFO L85 PathProgramCache]: Analyzing trace with hash 365466310, now seen corresponding path program 1 times [2024-06-27 22:14:32,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:32,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133396384] [2024-06-27 22:14:32,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:33,694 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 22:14:33,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:33,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133396384] [2024-06-27 22:14:33,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133396384] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:33,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:33,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:14:33,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292807630] [2024-06-27 22:14:33,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:33,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:14:33,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:33,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:14:33,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:14:33,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 59 [2024-06-27 22:14:33,816 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 22:14:33,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:33,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 59 [2024-06-27 22:14:33,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:14:36,849 INFO L124 PetriNetUnfolderBase]: 20923/31595 cut-off events. [2024-06-27 22:14:36,849 INFO L125 PetriNetUnfolderBase]: For 202/202 co-relation queries the response was YES. [2024-06-27 22:14:36,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59865 conditions, 31595 events. 20923/31595 cut-off events. For 202/202 co-relation queries the response was YES. Maximal size of possible extension queue 1200. Compared 229799 event pairs, 17793 based on Foata normal form. 700/29836 useless extension candidates. Maximal degree in co-relation 59852. Up to 27839 conditions per place. [2024-06-27 22:14:37,073 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 51 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-06-27 22:14:37,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 72 transitions, 277 flow [2024-06-27 22:14:37,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:14:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:14:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-06-27 22:14:37,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6949152542372882 [2024-06-27 22:14:37,084 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 122 flow. Second operand 3 states and 123 transitions. [2024-06-27 22:14:37,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 72 transitions, 277 flow [2024-06-27 22:14:37,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 72 transitions, 270 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:14:37,089 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 157 flow [2024-06-27 22:14:37,090 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 22:14:37,105 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -1 predicate places. [2024-06-27 22:14:37,106 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 157 flow [2024-06-27 22:14:37,106 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 22:14:37,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:37,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:14:37,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:14:37,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:37,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:37,108 INFO L85 PathProgramCache]: Analyzing trace with hash -974135003, now seen corresponding path program 1 times [2024-06-27 22:14:37,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:37,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252022733] [2024-06-27 22:14:37,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:37,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:38,019 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 22:14:38,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:38,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252022733] [2024-06-27 22:14:38,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252022733] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:38,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:38,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:14:38,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389813682] [2024-06-27 22:14:38,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:38,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:14:38,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:38,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:14:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:14:38,103 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 59 [2024-06-27 22:14:38,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:14:38,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:38,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 59 [2024-06-27 22:14:38,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:14:41,060 INFO L124 PetriNetUnfolderBase]: 24934/36967 cut-off events. [2024-06-27 22:14:41,060 INFO L125 PetriNetUnfolderBase]: For 5656/5656 co-relation queries the response was YES. [2024-06-27 22:14:41,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78444 conditions, 36967 events. 24934/36967 cut-off events. For 5656/5656 co-relation queries the response was YES. Maximal size of possible extension queue 1362. Compared 263291 event pairs, 19377 based on Foata normal form. 4/34734 useless extension candidates. Maximal degree in co-relation 78432. Up to 33031 conditions per place. [2024-06-27 22:14:41,301 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 66 selfloop transitions, 9 changer transitions 0/90 dead transitions. [2024-06-27 22:14:41,301 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 90 transitions, 389 flow [2024-06-27 22:14:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:14:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:14:41,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 156 transitions. [2024-06-27 22:14:41,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6610169491525424 [2024-06-27 22:14:41,303 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 157 flow. Second operand 4 states and 156 transitions. [2024-06-27 22:14:41,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 90 transitions, 389 flow [2024-06-27 22:14:41,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 90 transitions, 384 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 22:14:41,305 INFO L231 Difference]: Finished difference. Result has 69 places, 62 transitions, 207 flow [2024-06-27 22:14:41,305 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=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=207, PETRI_PLACES=69, PETRI_TRANSITIONS=62} [2024-06-27 22:14:41,306 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 2 predicate places. [2024-06-27 22:14:41,306 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 207 flow [2024-06-27 22:14:41,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:14:41,306 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:41,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:14:41,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:14:41,307 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:41,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:41,307 INFO L85 PathProgramCache]: Analyzing trace with hash -133412105, now seen corresponding path program 1 times [2024-06-27 22:14:41,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:41,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687803439] [2024-06-27 22:14:41,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:41,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:42,385 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 22:14:42,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:42,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687803439] [2024-06-27 22:14:42,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687803439] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:42,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:42,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:14:42,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106519391] [2024-06-27 22:14:42,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:42,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:14:42,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:42,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:14:42,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:14:42,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:14:42,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 207 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 22:14:42,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:42,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:14:42,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:14:45,977 INFO L124 PetriNetUnfolderBase]: 30141/44553 cut-off events. [2024-06-27 22:14:45,978 INFO L125 PetriNetUnfolderBase]: For 18182/18182 co-relation queries the response was YES. [2024-06-27 22:14:46,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 103248 conditions, 44553 events. 30141/44553 cut-off events. For 18182/18182 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 321484 event pairs, 20039 based on Foata normal form. 7/41923 useless extension candidates. Maximal degree in co-relation 103234. Up to 39687 conditions per place. [2024-06-27 22:14:46,259 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 89 selfloop transitions, 21 changer transitions 0/124 dead transitions. [2024-06-27 22:14:46,259 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 124 transitions, 625 flow [2024-06-27 22:14:46,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:14:46,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:14:46,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 201 transitions. [2024-06-27 22:14:46,261 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6813559322033899 [2024-06-27 22:14:46,261 INFO L175 Difference]: Start difference. First operand has 69 places, 62 transitions, 207 flow. Second operand 5 states and 201 transitions. [2024-06-27 22:14:46,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 124 transitions, 625 flow [2024-06-27 22:14:46,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 124 transitions, 606 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-06-27 22:14:46,268 INFO L231 Difference]: Finished difference. Result has 74 places, 76 transitions, 344 flow [2024-06-27 22:14:46,268 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=344, PETRI_PLACES=74, PETRI_TRANSITIONS=76} [2024-06-27 22:14:46,269 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 7 predicate places. [2024-06-27 22:14:46,270 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 76 transitions, 344 flow [2024-06-27 22:14:46,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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 22:14:46,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:46,270 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:14:46,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:14:46,271 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:46,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:46,271 INFO L85 PathProgramCache]: Analyzing trace with hash 637075080, now seen corresponding path program 1 times [2024-06-27 22:14:46,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:46,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867679107] [2024-06-27 22:14:46,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:46,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:47,513 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 22:14:47,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:47,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867679107] [2024-06-27 22:14:47,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867679107] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:47,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:47,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:14:47,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098343278] [2024-06-27 22:14:47,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:47,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:14:47,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:47,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:14:47,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:14:47,592 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:14:47,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 76 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 22:14:47,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:47,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:14:47,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:14:51,335 INFO L124 PetriNetUnfolderBase]: 30131/44507 cut-off events. [2024-06-27 22:14:51,335 INFO L125 PetriNetUnfolderBase]: For 61914/61920 co-relation queries the response was YES. [2024-06-27 22:14:51,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120478 conditions, 44507 events. 30131/44507 cut-off events. For 61914/61920 co-relation queries the response was YES. Maximal size of possible extension queue 1620. Compared 320906 event pairs, 17336 based on Foata normal form. 59/43251 useless extension candidates. Maximal degree in co-relation 120461. Up to 39567 conditions per place. [2024-06-27 22:14:51,792 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 100 selfloop transitions, 25 changer transitions 0/139 dead transitions. [2024-06-27 22:14:51,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 139 transitions, 792 flow [2024-06-27 22:14:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:14:51,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:14:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 232 transitions. [2024-06-27 22:14:51,809 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.655367231638418 [2024-06-27 22:14:51,809 INFO L175 Difference]: Start difference. First operand has 74 places, 76 transitions, 344 flow. Second operand 6 states and 232 transitions. [2024-06-27 22:14:51,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 139 transitions, 792 flow [2024-06-27 22:14:51,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 139 transitions, 780 flow, removed 6 selfloop flow, removed 0 redundant places. [2024-06-27 22:14:51,825 INFO L231 Difference]: Finished difference. Result has 79 places, 79 transitions, 423 flow [2024-06-27 22:14:51,825 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=423, PETRI_PLACES=79, PETRI_TRANSITIONS=79} [2024-06-27 22:14:51,826 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 12 predicate places. [2024-06-27 22:14:51,826 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 79 transitions, 423 flow [2024-06-27 22:14:51,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 22:14:51,827 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:51,827 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:14:51,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:14:51,827 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:51,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:51,827 INFO L85 PathProgramCache]: Analyzing trace with hash -705399799, now seen corresponding path program 1 times [2024-06-27 22:14:51,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:51,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981597574] [2024-06-27 22:14:51,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:51,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:52,918 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 22:14:52,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:52,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981597574] [2024-06-27 22:14:52,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981597574] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:52,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:14:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510115984] [2024-06-27 22:14:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:52,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:14:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:52,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:14:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:14:53,006 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:14:53,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 79 transitions, 423 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 22:14:53,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:53,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:14:53,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:14:57,610 INFO L124 PetriNetUnfolderBase]: 28636/40333 cut-off events. [2024-06-27 22:14:57,610 INFO L125 PetriNetUnfolderBase]: For 77167/77167 co-relation queries the response was YES. [2024-06-27 22:14:57,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 121745 conditions, 40333 events. 28636/40333 cut-off events. For 77167/77167 co-relation queries the response was YES. Maximal size of possible extension queue 1375. Compared 265353 event pairs, 13507 based on Foata normal form. 3/39879 useless extension candidates. Maximal degree in co-relation 121724. Up to 37905 conditions per place. [2024-06-27 22:14:58,091 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 82 selfloop transitions, 12 changer transitions 0/107 dead transitions. [2024-06-27 22:14:58,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 107 transitions, 687 flow [2024-06-27 22:14:58,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:14:58,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:14:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-06-27 22:14:58,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5559322033898305 [2024-06-27 22:14:58,093 INFO L175 Difference]: Start difference. First operand has 79 places, 79 transitions, 423 flow. Second operand 5 states and 164 transitions. [2024-06-27 22:14:58,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 107 transitions, 687 flow [2024-06-27 22:14:58,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 107 transitions, 616 flow, removed 12 selfloop flow, removed 4 redundant places. [2024-06-27 22:14:58,116 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 408 flow [2024-06-27 22:14:58,116 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=408, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2024-06-27 22:14:58,117 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 14 predicate places. [2024-06-27 22:14:58,117 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 408 flow [2024-06-27 22:14:58,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 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 22:14:58,117 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:14:58,118 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:14:58,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:14:58,118 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:14:58,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:14:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash -425797197, now seen corresponding path program 1 times [2024-06-27 22:14:58,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:14:58,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095438077] [2024-06-27 22:14:58,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:14:58,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:14:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:14:59,553 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 22:14:59,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:14:59,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095438077] [2024-06-27 22:14:59,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095438077] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:14:59,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:14:59,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:14:59,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967093061] [2024-06-27 22:14:59,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:14:59,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:14:59,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:14:59,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:14:59,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:14:59,637 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:14:59,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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 22:14:59,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:14:59,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:14:59,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:15:03,596 INFO L124 PetriNetUnfolderBase]: 28614/40443 cut-off events. [2024-06-27 22:15:03,596 INFO L125 PetriNetUnfolderBase]: For 80499/80499 co-relation queries the response was YES. [2024-06-27 22:15:03,754 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122377 conditions, 40443 events. 28614/40443 cut-off events. For 80499/80499 co-relation queries the response was YES. Maximal size of possible extension queue 1377. Compared 267181 event pairs, 12803 based on Foata normal form. 6/39977 useless extension candidates. Maximal degree in co-relation 122352. Up to 37827 conditions per place. [2024-06-27 22:15:04,066 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 95 selfloop transitions, 17 changer transitions 0/125 dead transitions. [2024-06-27 22:15:04,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 125 transitions, 766 flow [2024-06-27 22:15:04,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:15:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:15:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 199 transitions. [2024-06-27 22:15:04,068 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5621468926553672 [2024-06-27 22:15:04,068 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 408 flow. Second operand 6 states and 199 transitions. [2024-06-27 22:15:04,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 125 transitions, 766 flow [2024-06-27 22:15:04,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 125 transitions, 742 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-27 22:15:04,096 INFO L231 Difference]: Finished difference. Result has 84 places, 86 transitions, 484 flow [2024-06-27 22:15:04,097 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=484, PETRI_PLACES=84, PETRI_TRANSITIONS=86} [2024-06-27 22:15:04,097 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 17 predicate places. [2024-06-27 22:15:04,097 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 86 transitions, 484 flow [2024-06-27 22:15:04,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.666666666666668) internal successors, (112), 6 states have internal predecessors, (112), 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 22:15:04,098 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:15:04,098 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:15:04,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-27 22:15:04,098 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:15:04,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:15:04,098 INFO L85 PathProgramCache]: Analyzing trace with hash 682377248, now seen corresponding path program 1 times [2024-06-27 22:15:04,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:15:04,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410054831] [2024-06-27 22:15:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:15:04,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:15:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:15:05,578 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 22:15:05,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:15:05,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410054831] [2024-06-27 22:15:05,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1410054831] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:15:05,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:15:05,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:15:05,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895391207] [2024-06-27 22:15:05,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:15:05,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:15:05,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:15:05,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:15:05,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:15:05,680 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:15:05,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 86 transitions, 484 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 22:15:05,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:15:05,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:15:05,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:15:10,554 INFO L124 PetriNetUnfolderBase]: 34537/46887 cut-off events. [2024-06-27 22:15:10,554 INFO L125 PetriNetUnfolderBase]: For 130556/130569 co-relation queries the response was YES. [2024-06-27 22:15:10,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154129 conditions, 46887 events. 34537/46887 cut-off events. For 130556/130569 co-relation queries the response was YES. Maximal size of possible extension queue 1503. Compared 290976 event pairs, 16646 based on Foata normal form. 17/46690 useless extension candidates. Maximal degree in co-relation 154102. Up to 45261 conditions per place. [2024-06-27 22:15:10,885 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 102 selfloop transitions, 38 changer transitions 0/152 dead transitions. [2024-06-27 22:15:10,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 152 transitions, 1082 flow [2024-06-27 22:15:10,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:15:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:15:10,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2024-06-27 22:15:10,887 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5847457627118644 [2024-06-27 22:15:10,887 INFO L175 Difference]: Start difference. First operand has 84 places, 86 transitions, 484 flow. Second operand 6 states and 207 transitions. [2024-06-27 22:15:10,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 152 transitions, 1082 flow [2024-06-27 22:15:10,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 152 transitions, 1032 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-06-27 22:15:10,935 INFO L231 Difference]: Finished difference. Result has 88 places, 104 transitions, 667 flow [2024-06-27 22:15:10,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=667, PETRI_PLACES=88, PETRI_TRANSITIONS=104} [2024-06-27 22:15:10,936 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 21 predicate places. [2024-06-27 22:15:10,936 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 104 transitions, 667 flow [2024-06-27 22:15:10,936 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 22:15:10,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:15:10,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:15:10,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-27 22:15:10,937 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:15:10,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:15:10,937 INFO L85 PathProgramCache]: Analyzing trace with hash 716517548, now seen corresponding path program 2 times [2024-06-27 22:15:10,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:15:10,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170154944] [2024-06-27 22:15:10,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:15:10,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:15:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:15:12,492 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 22:15:12,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:15:12,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170154944] [2024-06-27 22:15:12,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170154944] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:15:12,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:15:12,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:15:12,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675659636] [2024-06-27 22:15:12,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:15:12,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:15:12,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:15:12,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:15:12,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:15:12,563 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:15:12,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 104 transitions, 667 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 22:15:12,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:15:12,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:15:12,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand