./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-05-21_14-57-05.files/mutex-meet/mix038_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 76401ed0 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/mix038_power.oepc_pso.oepc_rmo.oepc.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/mix038_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-76401ed-m [2024-06-20 19:07:03,706 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-20 19:07:03,769 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-20 19:07:03,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-20 19:07:03,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-20 19:07:03,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-20 19:07:03,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-20 19:07:03,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-20 19:07:03,820 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-20 19:07:03,823 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-20 19:07:03,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-20 19:07:03,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-20 19:07:03,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-20 19:07:03,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-20 19:07:03,826 INFO L153 SettingsManager]: * Use SBE=true [2024-06-20 19:07:03,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-20 19:07:03,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-20 19:07:03,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-20 19:07:03,827 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-20 19:07:03,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-20 19:07:03,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-20 19:07:03,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-20 19:07:03,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-20 19:07:03,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-20 19:07:03,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-20 19:07:03,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-20 19:07:03,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-20 19:07:03,829 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-20 19:07:03,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-20 19:07:03,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-20 19:07:03,830 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-20 19:07:03,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-20 19:07:03,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 19:07:03,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-20 19:07:03,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-20 19:07:03,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-20 19:07:03,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-20 19:07:03,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-20 19:07:03,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-20 19:07:03,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-20 19:07:03,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-20 19:07:03,832 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-20 19:07:03,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-20 19:07:03,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-20 19:07:04,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-20 19:07:04,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-20 19:07:04,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-20 19:07:04,073 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-20 19:07:04,073 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-20 19:07:04,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/mix038_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml [2024-06-20 19:07:04,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-20 19:07:04,304 INFO L274 PluginConnector]: CDTParser initialized [2024-06-20 19:07:04,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2024-06-20 19:07:05,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-20 19:07:05,626 INFO L384 CDTParser]: Found 1 translation units. [2024-06-20 19:07:05,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038_power.oepc_pso.oepc_rmo.oepc.i [2024-06-20 19:07:05,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7b0fa23/05c87fe5928a488baa683b3f51349271/FLAGebf175d99 [2024-06-20 19:07:05,662 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb7b0fa23/05c87fe5928a488baa683b3f51349271 [2024-06-20 19:07:05,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-20 19:07:05,664 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-20 19:07:05,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-20 19:07:05,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-20 19:07:05,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-20 19:07:05,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 07:07:04" (1/2) ... [2024-06-20 19:07:05,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254697eb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 07:07:05, skipping insertion in model container [2024-06-20 19:07:05,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 07:07:04" (1/2) ... [2024-06-20 19:07:05,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@392f830a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.06 07:07:05, skipping insertion in model container [2024-06-20 19:07:05,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 07:07:05" (2/2) ... [2024-06-20 19:07:05,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254697eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:05, skipping insertion in model container [2024-06-20 19:07:05,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.06 07:07:05" (2/2) ... [2024-06-20 19:07:05,675 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-20 19:07:05,772 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-20 19:07:05,773 INFO L97 edCorrectnessWitness]: Location invariant before [L848-L848] ((((((((((((((((((((! multithreaded || a$r_buff1_thd3 == (_Bool)0) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )a$flush_delayed) + (long long )weak$$choice2 >= 0LL && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )x >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )z >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p1_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_cnt + (long long )a >= 0LL) && (long long )__unbuffered_cnt + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice2 >= 0LL) && (long long )a + (long long )a$flush_delayed >= 0LL) && (long long )a + (long long )a$mem_tmp >= 0LL) && (long long )a + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a + (long long )a$read_delayed >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff1 >= 0LL) && (long long )a + (long long )main$tmp_guard1 >= 0LL) && (long long )a + (long long )x >= 0LL) && (long long )a + (long long )y >= 0LL) && (long long )a + (long long )z >= 0LL) && (long long )a + (long long )weak$$choice0 >= 0LL) && (long long )a + (long long )weak$$choice2 >= 0LL) && (long long )a$flush_delayed + (long long )a$mem_tmp >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$flush_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$flush_delayed + (long long )x >= 0LL) && (long long )a$flush_delayed + (long long )y >= 0LL) && (long long )a$flush_delayed + (long long )z >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff1 >= 0LL) && (long long )a$mem_tmp + (long long )main$tmp_guard1 >= 0LL) && (long long )a$mem_tmp + (long long )x >= 0LL) && (long long )a$mem_tmp + (long long )y >= 0LL) && (long long )a$mem_tmp + (long long )z >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice0 >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )x >= 0LL) && (long long )a$r_buff0_thd0 + (long long )y >= 0LL) && (long long )a$r_buff0_thd0 + (long long )z >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )x >= 0LL) && (long long )a$r_buff0_thd2 + (long long )y >= 0LL) && (long long )a$r_buff0_thd2 + (long long )z >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )x >= 0LL) && (long long )a$r_buff0_thd3 + (long long )y >= 0LL) && (long long )a$r_buff0_thd3 + (long long )z >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )x >= 0LL) && (long long )a$r_buff1_thd0 + (long long )y >= 0LL) && (long long )a$r_buff1_thd0 + (long long )z >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )x >= 0LL) && (long long )a$r_buff1_thd2 + (long long )y >= 0LL) && (long long )a$r_buff1_thd2 + (long long )z >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )x >= 0LL) && (long long )a$r_buff1_thd3 + (long long )y >= 0LL) && (long long )a$r_buff1_thd3 + (long long )z >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$read_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$read_delayed + (long long )x >= 0LL) && (long long )a$read_delayed + (long long )y >= 0LL) && (long long )a$read_delayed + (long long )z >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff1 + (long long )x >= 0LL) && (long long )a$w_buff1 + (long long )y >= 0LL) && (long long )a$w_buff1 + (long long )z >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$w_buff0) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$read_delayed >= 0LL) && (long long )a - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a - (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL))) && (! multithreaded || a$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= a) && 0 <= a$mem_tmp) && 0 <= a$w_buff0) && 0 <= a$w_buff1) && 0 <= x) && 0 <= y) && 0 <= z) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && a <= 1) && a$mem_tmp <= 1) && a$w_buff0 <= 1) && a$w_buff1 <= 1) && y <= 1) && z <= 1) && a$flush_delayed == (_Bool)0) && a$r_buff0_thd0 == (_Bool)0) && a$r_buff0_thd2 == (_Bool)0) && a$r_buff0_thd3 == (_Bool)0) && a$r_buff1_thd0 == (_Bool)0) && a$r_buff1_thd2 == (_Bool)0) && a$r_buff1_thd3 == (_Bool)0) && a$read_delayed == (_Bool)0) && a$read_delayed_var == 0) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (a == 0 || a == 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= a$mem_tmp && a$mem_tmp <= 1) && (a$mem_tmp == 0 || a$mem_tmp == 1)))) && (! multithreaded || a$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= a$w_buff0 && a$w_buff0 <= 1) && (a$w_buff0 == 0 || a$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= a && a <= 1) && (a == 0 || a == 1)))) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || ((0 <= a$w_buff1 && a$w_buff1 <= 1) && (a$w_buff1 == 0 || a$w_buff1 == 1)))) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2))) [2024-06-20 19:07:05,774 INFO L97 edCorrectnessWitness]: Location invariant before [L849-L849] ((((((((((((((((((((! multithreaded || a$r_buff1_thd3 == (_Bool)0) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )a$flush_delayed) + (long long )weak$$choice2 >= 0LL && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )x >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )z >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p1_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_cnt + (long long )a >= 0LL) && (long long )__unbuffered_cnt + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice2 >= 0LL) && (long long )a + (long long )a$flush_delayed >= 0LL) && (long long )a + (long long )a$mem_tmp >= 0LL) && (long long )a + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a + (long long )a$read_delayed >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff1 >= 0LL) && (long long )a + (long long )main$tmp_guard1 >= 0LL) && (long long )a + (long long )x >= 0LL) && (long long )a + (long long )y >= 0LL) && (long long )a + (long long )z >= 0LL) && (long long )a + (long long )weak$$choice0 >= 0LL) && (long long )a + (long long )weak$$choice2 >= 0LL) && (long long )a$flush_delayed + (long long )a$mem_tmp >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$flush_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$flush_delayed + (long long )x >= 0LL) && (long long )a$flush_delayed + (long long )y >= 0LL) && (long long )a$flush_delayed + (long long )z >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff1 >= 0LL) && (long long )a$mem_tmp + (long long )main$tmp_guard1 >= 0LL) && (long long )a$mem_tmp + (long long )x >= 0LL) && (long long )a$mem_tmp + (long long )y >= 0LL) && (long long )a$mem_tmp + (long long )z >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice0 >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )x >= 0LL) && (long long )a$r_buff0_thd0 + (long long )y >= 0LL) && (long long )a$r_buff0_thd0 + (long long )z >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )x >= 0LL) && (long long )a$r_buff0_thd2 + (long long )y >= 0LL) && (long long )a$r_buff0_thd2 + (long long )z >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )x >= 0LL) && (long long )a$r_buff0_thd3 + (long long )y >= 0LL) && (long long )a$r_buff0_thd3 + (long long )z >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )x >= 0LL) && (long long )a$r_buff1_thd0 + (long long )y >= 0LL) && (long long )a$r_buff1_thd0 + (long long )z >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )x >= 0LL) && (long long )a$r_buff1_thd2 + (long long )y >= 0LL) && (long long )a$r_buff1_thd2 + (long long )z >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )x >= 0LL) && (long long )a$r_buff1_thd3 + (long long )y >= 0LL) && (long long )a$r_buff1_thd3 + (long long )z >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$read_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$read_delayed + (long long )x >= 0LL) && (long long )a$read_delayed + (long long )y >= 0LL) && (long long )a$read_delayed + (long long )z >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff1 + (long long )x >= 0LL) && (long long )a$w_buff1 + (long long )y >= 0LL) && (long long )a$w_buff1 + (long long )z >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$w_buff0) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$read_delayed >= 0LL) && (long long )a - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a - (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL))) && (! multithreaded || a$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= a) && 0 <= a$mem_tmp) && 0 <= a$w_buff0) && 0 <= a$w_buff1) && 0 <= x) && 0 <= y) && 0 <= z) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && a <= 1) && a$mem_tmp <= 1) && a$w_buff0 <= 1) && a$w_buff1 <= 1) && y <= 1) && z <= 1) && a$flush_delayed == (_Bool)0) && a$r_buff0_thd0 == (_Bool)0) && a$r_buff0_thd2 == (_Bool)0) && a$r_buff0_thd3 == (_Bool)0) && a$r_buff1_thd0 == (_Bool)0) && a$r_buff1_thd2 == (_Bool)0) && a$r_buff1_thd3 == (_Bool)0) && a$read_delayed == (_Bool)0) && a$read_delayed_var == 0) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (a == 0 || a == 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= a$mem_tmp && a$mem_tmp <= 1) && (a$mem_tmp == 0 || a$mem_tmp == 1)))) && (! multithreaded || a$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= a$w_buff0 && a$w_buff0 <= 1) && (a$w_buff0 == 0 || a$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= a && a <= 1) && (a == 0 || a == 1)))) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || ((0 <= a$w_buff1 && a$w_buff1 <= 1) && (a$w_buff1 == 0 || a$w_buff1 == 1)))) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2))) [2024-06-20 19:07:05,775 INFO L97 edCorrectnessWitness]: Location invariant before [L846-L846] ((((((((((((((((((((! multithreaded || a$r_buff1_thd3 == (_Bool)0) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )a$flush_delayed) + (long long )weak$$choice2 >= 0LL && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )x >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$r_buff1_thd3) + (long long )weak$$choice2 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )x >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )z >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$read_delayed) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )x >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )y >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )z >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff0) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )x >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )y >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )z >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$w_buff1) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p1_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_cnt + (long long )a >= 0LL) && (long long )__unbuffered_cnt + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice2 >= 0LL) && (long long )a + (long long )a$flush_delayed >= 0LL) && (long long )a + (long long )a$mem_tmp >= 0LL) && (long long )a + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a + (long long )a$read_delayed >= 0LL) && (long long )a + (long long )a$w_buff0 >= 0LL) && (long long )a + (long long )a$w_buff1 >= 0LL) && (long long )a + (long long )main$tmp_guard1 >= 0LL) && (long long )a + (long long )x >= 0LL) && (long long )a + (long long )y >= 0LL) && (long long )a + (long long )z >= 0LL) && (long long )a + (long long )weak$$choice0 >= 0LL) && (long long )a + (long long )weak$$choice2 >= 0LL) && (long long )a$flush_delayed + (long long )a$mem_tmp >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed + (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$flush_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$flush_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$flush_delayed + (long long )x >= 0LL) && (long long )a$flush_delayed + (long long )y >= 0LL) && (long long )a$flush_delayed + (long long )z >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$flush_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp + (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff0 >= 0LL) && (long long )a$mem_tmp + (long long )a$w_buff1 >= 0LL) && (long long )a$mem_tmp + (long long )main$tmp_guard1 >= 0LL) && (long long )a$mem_tmp + (long long )x >= 0LL) && (long long )a$mem_tmp + (long long )y >= 0LL) && (long long )a$mem_tmp + (long long )z >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice0 >= 0LL) && (long long )a$mem_tmp + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )x >= 0LL) && (long long )a$r_buff0_thd0 + (long long )y >= 0LL) && (long long )a$r_buff0_thd0 + (long long )z >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )x >= 0LL) && (long long )a$r_buff0_thd2 + (long long )y >= 0LL) && (long long )a$r_buff0_thd2 + (long long )z >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )x >= 0LL) && (long long )a$r_buff0_thd3 + (long long )y >= 0LL) && (long long )a$r_buff0_thd3 + (long long )z >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff0_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )x >= 0LL) && (long long )a$r_buff1_thd0 + (long long )y >= 0LL) && (long long )a$r_buff1_thd0 + (long long )z >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd0 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )x >= 0LL) && (long long )a$r_buff1_thd2 + (long long )y >= 0LL) && (long long )a$r_buff1_thd2 + (long long )z >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd2 + (long long )weak$$choice2 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )x >= 0LL) && (long long )a$r_buff1_thd3 + (long long )y >= 0LL) && (long long )a$r_buff1_thd3 + (long long )z >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice0 >= 0LL) && (long long )a$r_buff1_thd3 + (long long )weak$$choice2 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff0 >= 0LL) && (long long )a$read_delayed + (long long )a$w_buff1 >= 0LL) && (long long )a$read_delayed + (long long )main$tmp_guard1 >= 0LL) && (long long )a$read_delayed + (long long )x >= 0LL) && (long long )a$read_delayed + (long long )y >= 0LL) && (long long )a$read_delayed + (long long )z >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice0 >= 0LL) && (long long )a$read_delayed + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff0 + (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff0 + (long long )x >= 0LL) && (long long )a$w_buff0 + (long long )y >= 0LL) && (long long )a$w_buff0 + (long long )z >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )a$w_buff1 + (long long )main$tmp_guard1 >= 0LL) && (long long )a$w_buff1 + (long long )x >= 0LL) && (long long )a$w_buff1 + (long long )y >= 0LL) && (long long )a$w_buff1 + (long long )z >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice0 >= 0LL) && (long long )a$w_buff1 + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$mem_tmp) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL + (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff0_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd0 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff0_thd3) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd2 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$r_buff1_thd3 >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$read_delayed >= 0LL) && (0LL - (long long )a$r_buff1_thd3) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff0_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff0_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff0_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$r_buff1_thd3 >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$r_buff1_thd3) - (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff0 >= 0LL) && (1LL - (long long )a$read_delayed) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$w_buff0) - (long long )a$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )a$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )a$read_delayed >= 0LL) && (long long )a - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a - (long long )a$read_delayed >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$flush_delayed - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$flush_delayed - (long long )a$read_delayed >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$mem_tmp - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$mem_tmp - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff0_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd0 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff0_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd2 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$r_buff1_thd3 >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$read_delayed >= 0LL) && (long long )a$r_buff1_thd3 - (long long )a$read_delayed >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL))) && (! multithreaded || a$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= a) && 0 <= a$mem_tmp) && 0 <= a$w_buff0) && 0 <= a$w_buff1) && 0 <= x) && 0 <= y) && 0 <= z) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && a <= 1) && a$mem_tmp <= 1) && a$w_buff0 <= 1) && a$w_buff1 <= 1) && y <= 1) && z <= 1) && a$flush_delayed == (_Bool)0) && a$r_buff0_thd0 == (_Bool)0) && a$r_buff0_thd2 == (_Bool)0) && a$r_buff0_thd3 == (_Bool)0) && a$r_buff1_thd0 == (_Bool)0) && a$r_buff1_thd2 == (_Bool)0) && a$r_buff1_thd3 == (_Bool)0) && a$read_delayed == (_Bool)0) && a$read_delayed_var == 0) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (a == 0 || a == 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= a$mem_tmp && a$mem_tmp <= 1) && (a$mem_tmp == 0 || a$mem_tmp == 1)))) && (! multithreaded || a$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= a$w_buff0 && a$w_buff0 <= 1) && (a$w_buff0 == 0 || a$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= a && a <= 1) && (a == 0 || a == 1)))) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || ((0 <= a$w_buff1 && a$w_buff1 <= 1) && (a$w_buff1 == 0 || a$w_buff1 == 1)))) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2))) [2024-06-20 19:07:05,775 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-20 19:07:05,776 INFO L106 edCorrectnessWitness]: ghost_update [L844-L844] multithreaded = 1; [2024-06-20 19:07:05,814 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-20 19:07:06,139 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 19:07:06,159 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-20 19:07:06,536 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-20 19:07:06,598 INFO L206 MainTranslator]: Completed translation [2024-06-20 19:07:06,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06 WrapperNode [2024-06-20 19:07:06,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-20 19:07:06,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-20 19:07:06,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-20 19:07:06,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-20 19:07:06,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,728 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 127 [2024-06-20 19:07:06,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-20 19:07:06,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-20 19:07:06,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-20 19:07:06,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-20 19:07:06,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,797 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]. [2024-06-20 19:07:06,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-20 19:07:06,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-20 19:07:06,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-20 19:07:06,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-20 19:07:06,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (1/1) ... [2024-06-20 19:07:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-20 19:07:06,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-20 19:07:06,889 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) [2024-06-20 19:07:06,908 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 [2024-06-20 19:07:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-20 19:07:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-20 19:07:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-20 19:07:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-20 19:07:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-20 19:07:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-20 19:07:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-20 19:07:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-20 19:07:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-20 19:07:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-20 19:07:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-20 19:07:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-20 19:07:06,931 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-20 19:07:07,063 INFO L244 CfgBuilder]: Building ICFG [2024-06-20 19:07:07,065 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-20 19:07:08,373 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-20 19:07:08,375 INFO L293 CfgBuilder]: Performing block encoding [2024-06-20 19:07:08,654 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-20 19:07:08,654 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-20 19:07:08,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 07:07:08 BoogieIcfgContainer [2024-06-20 19:07:08,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-20 19:07:08,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-20 19:07:08,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-20 19:07:08,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-20 19:07:08,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.06 07:07:04" (1/4) ... [2024-06-20 19:07:08,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d50555 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 20.06 07:07:08, skipping insertion in model container [2024-06-20 19:07:08,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.06 07:07:05" (2/4) ... [2024-06-20 19:07:08,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d50555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 07:07:08, skipping insertion in model container [2024-06-20 19:07:08,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.06 07:07:06" (3/4) ... [2024-06-20 19:07:08,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d50555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.06 07:07:08, skipping insertion in model container [2024-06-20 19:07:08,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.06 07:07:08" (4/4) ... [2024-06-20 19:07:08,662 INFO L112 eAbstractionObserver]: Analyzing ICFG mix038_power.oepc_pso.oepc_rmo.oepc.i [2024-06-20 19:07:08,675 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-20 19:07:08,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-20 19:07:08,675 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-20 19:07:08,776 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-20 19:07:08,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2024-06-20 19:07:08,931 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-06-20 19:07:08,938 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 19:07:08,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-20 19:07:08,941 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2024-06-20 19:07:08,944 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 33 transitions, 75 flow [2024-06-20 19:07:08,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-20 19:07:08,970 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;@2cd17ec1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-20 19:07:08,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-20 19:07:09,009 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-20 19:07:09,009 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-20 19:07:09,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-20 19:07:09,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:09,010 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-20 19:07:09,010 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:09,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:09,014 INFO L85 PathProgramCache]: Analyzing trace with hash 377005303, now seen corresponding path program 1 times [2024-06-20 19:07:09,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:09,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992288537] [2024-06-20 19:07:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:09,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:09,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:15,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:15,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992288537] [2024-06-20 19:07:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992288537] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:15,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-20 19:07:15,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933149386] [2024-06-20 19:07:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:15,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-20 19:07:15,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:15,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-20 19:07:15,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-20 19:07:15,482 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-20 19:07:15,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-06-20 19:07:15,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:15,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-20 19:07:15,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:16,615 INFO L124 PetriNetUnfolderBase]: 1570/2419 cut-off events. [2024-06-20 19:07:16,616 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-06-20 19:07:16,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4840 conditions, 2419 events. 1570/2419 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11765 event pairs, 1123 based on Foata normal form. 1/2344 useless extension candidates. Maximal degree in co-relation 4828. Up to 2334 conditions per place. [2024-06-20 19:07:16,632 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 33 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2024-06-20 19:07:16,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 43 transitions, 175 flow [2024-06-20 19:07:16,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-20 19:07:16,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-20 19:07:16,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-06-20 19:07:16,642 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6031746031746031 [2024-06-20 19:07:16,643 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 75 flow. Second operand 3 states and 76 transitions. [2024-06-20 19:07:16,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 43 transitions, 175 flow [2024-06-20 19:07:16,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 43 transitions, 170 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-20 19:07:16,647 INFO L231 Difference]: Finished difference. Result has 43 places, 36 transitions, 102 flow [2024-06-20 19:07:16,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=43, PETRI_TRANSITIONS=36} [2024-06-20 19:07:16,651 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2024-06-20 19:07:16,651 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 102 flow [2024-06-20 19:07:16,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-06-20 19:07:16,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:16,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:16,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-20 19:07:16,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:16,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:16,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1524958000, now seen corresponding path program 1 times [2024-06-20 19:07:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:16,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354968950] [2024-06-20 19:07:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:16,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:21,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:21,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:21,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354968950] [2024-06-20 19:07:21,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354968950] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:21,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:21,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-20 19:07:21,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734895174] [2024-06-20 19:07:21,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:21,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-20 19:07:21,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:21,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-20 19:07:21,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-20 19:07:21,668 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-20 19:07:21,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 19:07:21,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:21,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-20 19:07:21,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:22,627 INFO L124 PetriNetUnfolderBase]: 1564/2415 cut-off events. [2024-06-20 19:07:22,627 INFO L125 PetriNetUnfolderBase]: For 445/445 co-relation queries the response was YES. [2024-06-20 19:07:22,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5442 conditions, 2415 events. 1564/2415 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11736 event pairs, 981 based on Foata normal form. 3/2381 useless extension candidates. Maximal degree in co-relation 5430. Up to 2310 conditions per place. [2024-06-20 19:07:22,638 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 40 selfloop transitions, 7 changer transitions 0/53 dead transitions. [2024-06-20 19:07:22,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 53 transitions, 242 flow [2024-06-20 19:07:22,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-20 19:07:22,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-20 19:07:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions. [2024-06-20 19:07:22,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-06-20 19:07:22,640 INFO L175 Difference]: Start difference. First operand has 43 places, 36 transitions, 102 flow. Second operand 4 states and 98 transitions. [2024-06-20 19:07:22,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 53 transitions, 242 flow [2024-06-20 19:07:22,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-20 19:07:22,642 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 138 flow [2024-06-20 19:07:22,642 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-06-20 19:07:22,643 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 3 predicate places. [2024-06-20 19:07:22,643 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 138 flow [2024-06-20 19:07:22,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-20 19:07:22,643 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:22,644 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:22,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-20 19:07:22,644 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:22,644 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:22,645 INFO L85 PathProgramCache]: Analyzing trace with hash 29058686, now seen corresponding path program 1 times [2024-06-20 19:07:22,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:22,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690843989] [2024-06-20 19:07:22,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:22,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:27,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:27,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690843989] [2024-06-20 19:07:27,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690843989] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:27,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:27,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-20 19:07:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527700451] [2024-06-20 19:07:27,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:27,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-20 19:07:27,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:27,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-20 19:07:27,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-20 19:07:27,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-20 19:07:27,937 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 138 flow. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-06-20 19:07:27,937 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:27,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-20 19:07:27,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:28,980 INFO L124 PetriNetUnfolderBase]: 1618/2518 cut-off events. [2024-06-20 19:07:28,980 INFO L125 PetriNetUnfolderBase]: For 1322/1322 co-relation queries the response was YES. [2024-06-20 19:07:28,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6269 conditions, 2518 events. 1618/2518 cut-off events. For 1322/1322 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12392 event pairs, 739 based on Foata normal form. 7/2510 useless extension candidates. Maximal degree in co-relation 6255. Up to 2279 conditions per place. [2024-06-20 19:07:28,994 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 55 selfloop transitions, 16 changer transitions 0/77 dead transitions. [2024-06-20 19:07:28,994 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 77 transitions, 404 flow [2024-06-20 19:07:28,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-20 19:07:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-20 19:07:28,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 130 transitions. [2024-06-20 19:07:29,000 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-06-20 19:07:29,000 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 138 flow. Second operand 5 states and 130 transitions. [2024-06-20 19:07:29,000 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 77 transitions, 404 flow [2024-06-20 19:07:29,003 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 77 transitions, 390 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-06-20 19:07:29,004 INFO L231 Difference]: Finished difference. Result has 51 places, 50 transitions, 239 flow [2024-06-20 19:07:29,004 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=239, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2024-06-20 19:07:29,005 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 8 predicate places. [2024-06-20 19:07:29,005 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 50 transitions, 239 flow [2024-06-20 19:07:29,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-06-20 19:07:29,006 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:29,006 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:29,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-20 19:07:29,006 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:29,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:29,007 INFO L85 PathProgramCache]: Analyzing trace with hash 817703349, now seen corresponding path program 1 times [2024-06-20 19:07:29,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:29,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789038662] [2024-06-20 19:07:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:29,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:35,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:35,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:35,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789038662] [2024-06-20 19:07:35,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789038662] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:35,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:35,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 19:07:35,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763785684] [2024-06-20 19:07:35,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:35,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 19:07:35,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:35,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 19:07:35,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-20 19:07:35,244 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-20 19:07:35,245 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 50 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2024-06-20 19:07:35,245 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:35,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-20 19:07:35,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:36,455 INFO L124 PetriNetUnfolderBase]: 1640/2550 cut-off events. [2024-06-20 19:07:36,455 INFO L125 PetriNetUnfolderBase]: For 3233/3233 co-relation queries the response was YES. [2024-06-20 19:07:36,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 2550 events. 1640/2550 cut-off events. For 3233/3233 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 12658 event pairs, 595 based on Foata normal form. 7/2541 useless extension candidates. Maximal degree in co-relation 7650. Up to 2268 conditions per place. [2024-06-20 19:07:36,476 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 63 selfloop transitions, 20 changer transitions 0/89 dead transitions. [2024-06-20 19:07:36,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 543 flow [2024-06-20 19:07:36,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:07:36,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:07:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 154 transitions. [2024-06-20 19:07:36,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-06-20 19:07:36,478 INFO L175 Difference]: Start difference. First operand has 51 places, 50 transitions, 239 flow. Second operand 6 states and 154 transitions. [2024-06-20 19:07:36,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 543 flow [2024-06-20 19:07:36,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 89 transitions, 535 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-06-20 19:07:36,485 INFO L231 Difference]: Finished difference. Result has 57 places, 54 transitions, 312 flow [2024-06-20 19:07:36,486 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=312, PETRI_PLACES=57, PETRI_TRANSITIONS=54} [2024-06-20 19:07:36,487 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places. [2024-06-20 19:07:36,487 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 54 transitions, 312 flow [2024-06-20 19:07:36,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2024-06-20 19:07:36,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:36,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:36,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-20 19:07:36,488 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:36,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:36,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2139342659, now seen corresponding path program 1 times [2024-06-20 19:07:36,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:36,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493292959] [2024-06-20 19:07:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:41,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:41,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493292959] [2024-06-20 19:07:41,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493292959] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:41,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:41,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:07:41,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411109429] [2024-06-20 19:07:41,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:41,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:07:41,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:41,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:07:41,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:07:42,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-20 19:07:42,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 54 transitions, 312 flow. Second operand has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2024-06-20 19:07:42,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:42,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-20 19:07:42,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:43,550 INFO L124 PetriNetUnfolderBase]: 1736/2724 cut-off events. [2024-06-20 19:07:43,550 INFO L125 PetriNetUnfolderBase]: For 5439/5439 co-relation queries the response was YES. [2024-06-20 19:07:43,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9082 conditions, 2724 events. 1736/2724 cut-off events. For 5439/5439 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 13934 event pairs, 410 based on Foata normal form. 28/2740 useless extension candidates. Maximal degree in co-relation 9062. Up to 2189 conditions per place. [2024-06-20 19:07:43,566 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 74 selfloop transitions, 33 changer transitions 0/113 dead transitions. [2024-06-20 19:07:43,566 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 113 transitions, 792 flow [2024-06-20 19:07:43,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:07:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:07:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 181 transitions. [2024-06-20 19:07:43,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6156462585034014 [2024-06-20 19:07:43,569 INFO L175 Difference]: Start difference. First operand has 57 places, 54 transitions, 312 flow. Second operand 7 states and 181 transitions. [2024-06-20 19:07:43,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 113 transitions, 792 flow [2024-06-20 19:07:43,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 113 transitions, 743 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-06-20 19:07:43,577 INFO L231 Difference]: Finished difference. Result has 63 places, 68 transitions, 499 flow [2024-06-20 19:07:43,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=253, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=499, PETRI_PLACES=63, PETRI_TRANSITIONS=68} [2024-06-20 19:07:43,578 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 20 predicate places. [2024-06-20 19:07:43,579 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 68 transitions, 499 flow [2024-06-20 19:07:43,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 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) [2024-06-20 19:07:43,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:43,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:43,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-20 19:07:43,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:43,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:43,580 INFO L85 PathProgramCache]: Analyzing trace with hash -856778795, now seen corresponding path program 1 times [2024-06-20 19:07:43,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:43,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548778449] [2024-06-20 19:07:43,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:43,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:07:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:07:55,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:07:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548778449] [2024-06-20 19:07:55,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548778449] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:07:55,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:07:55,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 19:07:55,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221220265] [2024-06-20 19:07:55,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:07:55,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 19:07:55,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:07:55,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 19:07:55,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-06-20 19:07:55,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:07:55,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 68 transitions, 499 flow. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-06-20 19:07:55,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:07:55,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:07:55,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:07:56,430 INFO L124 PetriNetUnfolderBase]: 1726/2714 cut-off events. [2024-06-20 19:07:56,431 INFO L125 PetriNetUnfolderBase]: For 9568/9568 co-relation queries the response was YES. [2024-06-20 19:07:56,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10572 conditions, 2714 events. 1726/2714 cut-off events. For 9568/9568 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 13874 event pairs, 618 based on Foata normal form. 4/2709 useless extension candidates. Maximal degree in co-relation 10546. Up to 2572 conditions per place. [2024-06-20 19:07:56,451 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 64 selfloop transitions, 10 changer transitions 0/79 dead transitions. [2024-06-20 19:07:56,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 79 transitions, 675 flow [2024-06-20 19:07:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-20 19:07:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-20 19:07:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 97 transitions. [2024-06-20 19:07:56,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46190476190476193 [2024-06-20 19:07:56,453 INFO L175 Difference]: Start difference. First operand has 63 places, 68 transitions, 499 flow. Second operand 5 states and 97 transitions. [2024-06-20 19:07:56,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 79 transitions, 675 flow [2024-06-20 19:07:56,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 79 transitions, 643 flow, removed 16 selfloop flow, removed 0 redundant places. [2024-06-20 19:07:56,460 INFO L231 Difference]: Finished difference. Result has 68 places, 68 transitions, 497 flow [2024-06-20 19:07:56,460 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=497, PETRI_PLACES=68, PETRI_TRANSITIONS=68} [2024-06-20 19:07:56,461 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 25 predicate places. [2024-06-20 19:07:56,461 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 68 transitions, 497 flow [2024-06-20 19:07:56,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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) [2024-06-20 19:07:56,461 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:07:56,462 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:07:56,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-20 19:07:56,462 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:07:56,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:07:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash 347547538, now seen corresponding path program 1 times [2024-06-20 19:07:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:07:56,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763853930] [2024-06-20 19:07:56,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:07:56,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:07:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:08:06,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:08:06,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:08:06,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763853930] [2024-06-20 19:08:06,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763853930] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:08:06,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:08:06,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:08:06,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662361376] [2024-06-20 19:08:06,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:08:06,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:08:06,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:08:06,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:08:06,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:08:06,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:08:06,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 68 transitions, 497 flow. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-06-20 19:08:06,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:08:06,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:08:06,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:08:07,772 INFO L124 PetriNetUnfolderBase]: 1738/2725 cut-off events. [2024-06-20 19:08:07,772 INFO L125 PetriNetUnfolderBase]: For 10774/10774 co-relation queries the response was YES. [2024-06-20 19:08:07,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10646 conditions, 2725 events. 1738/2725 cut-off events. For 10774/10774 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 13850 event pairs, 550 based on Foata normal form. 8/2719 useless extension candidates. Maximal degree in co-relation 10616. Up to 2470 conditions per place. [2024-06-20 19:08:07,785 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 69 selfloop transitions, 19 changer transitions 0/93 dead transitions. [2024-06-20 19:08:07,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 93 transitions, 791 flow [2024-06-20 19:08:07,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:08:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:08:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 124 transitions. [2024-06-20 19:08:07,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49206349206349204 [2024-06-20 19:08:07,787 INFO L175 Difference]: Start difference. First operand has 68 places, 68 transitions, 497 flow. Second operand 6 states and 124 transitions. [2024-06-20 19:08:07,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 93 transitions, 791 flow [2024-06-20 19:08:07,793 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 93 transitions, 761 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-06-20 19:08:07,794 INFO L231 Difference]: Finished difference. Result has 70 places, 71 transitions, 549 flow [2024-06-20 19:08:07,794 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=549, PETRI_PLACES=70, PETRI_TRANSITIONS=71} [2024-06-20 19:08:07,795 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 27 predicate places. [2024-06-20 19:08:07,795 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 71 transitions, 549 flow [2024-06-20 19:08:07,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-06-20 19:08:07,795 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:08:07,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:08:07,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-20 19:08:07,796 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:08:07,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:08:07,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1269334708, now seen corresponding path program 2 times [2024-06-20 19:08:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:08:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996324036] [2024-06-20 19:08:07,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:08:07,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:08:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:08:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:08:17,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:08:17,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996324036] [2024-06-20 19:08:17,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996324036] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:08:17,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:08:17,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:08:17,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693094188] [2024-06-20 19:08:17,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:08:17,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:08:17,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:08:17,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:08:17,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:08:17,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:08:17,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 71 transitions, 549 flow. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-06-20 19:08:17,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:08:17,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:08:17,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:08:18,798 INFO L124 PetriNetUnfolderBase]: 1712/2686 cut-off events. [2024-06-20 19:08:18,798 INFO L125 PetriNetUnfolderBase]: For 12171/12171 co-relation queries the response was YES. [2024-06-20 19:08:18,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10756 conditions, 2686 events. 1712/2686 cut-off events. For 12171/12171 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 13624 event pairs, 598 based on Foata normal form. 4/2677 useless extension candidates. Maximal degree in co-relation 10726. Up to 2539 conditions per place. [2024-06-20 19:08:18,809 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 71 selfloop transitions, 11 changer transitions 0/87 dead transitions. [2024-06-20 19:08:18,812 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 87 transitions, 755 flow [2024-06-20 19:08:18,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:08:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:08:18,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 114 transitions. [2024-06-20 19:08:18,814 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-20 19:08:18,814 INFO L175 Difference]: Start difference. First operand has 70 places, 71 transitions, 549 flow. Second operand 6 states and 114 transitions. [2024-06-20 19:08:18,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 87 transitions, 755 flow [2024-06-20 19:08:18,826 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 87 transitions, 726 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-06-20 19:08:18,827 INFO L231 Difference]: Finished difference. Result has 73 places, 71 transitions, 550 flow [2024-06-20 19:08:18,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=520, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=550, PETRI_PLACES=73, PETRI_TRANSITIONS=71} [2024-06-20 19:08:18,829 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 30 predicate places. [2024-06-20 19:08:18,829 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 71 transitions, 550 flow [2024-06-20 19:08:18,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 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) [2024-06-20 19:08:18,830 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:08:18,830 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:08:18,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-06-20 19:08:18,830 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:08:18,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:08:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash -219368060, now seen corresponding path program 1 times [2024-06-20 19:08:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:08:18,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927799083] [2024-06-20 19:08:18,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:08:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:08:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:08:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:08:32,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:08:32,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927799083] [2024-06-20 19:08:32,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927799083] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:08:32,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:08:32,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:08:32,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495093793] [2024-06-20 19:08:32,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:08:32,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:08:32,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:08:32,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:08:32,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:08:32,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:08:32,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 71 transitions, 550 flow. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2024-06-20 19:08:32,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:08:32,485 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:08:32,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:08:34,018 INFO L124 PetriNetUnfolderBase]: 2080/3202 cut-off events. [2024-06-20 19:08:34,019 INFO L125 PetriNetUnfolderBase]: For 16495/16495 co-relation queries the response was YES. [2024-06-20 19:08:34,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12789 conditions, 3202 events. 2080/3202 cut-off events. For 16495/16495 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 15667 event pairs, 750 based on Foata normal form. 4/3188 useless extension candidates. Maximal degree in co-relation 12758. Up to 3054 conditions per place. [2024-06-20 19:08:34,033 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 77 selfloop transitions, 15 changer transitions 0/96 dead transitions. [2024-06-20 19:08:34,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 96 transitions, 832 flow [2024-06-20 19:08:34,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:08:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:08:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 125 transitions. [2024-06-20 19:08:34,035 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42517006802721086 [2024-06-20 19:08:34,035 INFO L175 Difference]: Start difference. First operand has 73 places, 71 transitions, 550 flow. Second operand 7 states and 125 transitions. [2024-06-20 19:08:34,035 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 96 transitions, 832 flow [2024-06-20 19:08:34,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 96 transitions, 778 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-06-20 19:08:34,049 INFO L231 Difference]: Finished difference. Result has 75 places, 76 transitions, 591 flow [2024-06-20 19:08:34,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=591, PETRI_PLACES=75, PETRI_TRANSITIONS=76} [2024-06-20 19:08:34,051 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 32 predicate places. [2024-06-20 19:08:34,051 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 76 transitions, 591 flow [2024-06-20 19:08:34,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 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) [2024-06-20 19:08:34,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:08:34,051 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:08:34,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-06-20 19:08:34,051 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:08:34,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:08:34,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1517424716, now seen corresponding path program 1 times [2024-06-20 19:08:34,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:08:34,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679509465] [2024-06-20 19:08:34,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:08:34,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:08:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:08:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:08:49,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:08:49,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679509465] [2024-06-20 19:08:49,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679509465] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:08:49,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:08:49,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-20 19:08:49,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618071098] [2024-06-20 19:08:49,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:08:49,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-20 19:08:49,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:08:49,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-20 19:08:49,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-06-20 19:08:49,171 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:08:49,172 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 76 transitions, 591 flow. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-06-20 19:08:49,172 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:08:49,172 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:08:49,172 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:08:50,475 INFO L124 PetriNetUnfolderBase]: 2077/3198 cut-off events. [2024-06-20 19:08:50,475 INFO L125 PetriNetUnfolderBase]: For 18935/18935 co-relation queries the response was YES. [2024-06-20 19:08:50,480 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13299 conditions, 3198 events. 2077/3198 cut-off events. For 18935/18935 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 15571 event pairs, 767 based on Foata normal form. 1/3198 useless extension candidates. Maximal degree in co-relation 13267. Up to 3092 conditions per place. [2024-06-20 19:08:50,489 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 75 selfloop transitions, 8 changer transitions 0/87 dead transitions. [2024-06-20 19:08:50,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 87 transitions, 801 flow [2024-06-20 19:08:50,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-20 19:08:50,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-20 19:08:50,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 88 transitions. [2024-06-20 19:08:50,491 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41904761904761906 [2024-06-20 19:08:50,491 INFO L175 Difference]: Start difference. First operand has 75 places, 76 transitions, 591 flow. Second operand 5 states and 88 transitions. [2024-06-20 19:08:50,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 87 transitions, 801 flow [2024-06-20 19:08:50,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 87 transitions, 760 flow, removed 8 selfloop flow, removed 4 redundant places. [2024-06-20 19:08:50,503 INFO L231 Difference]: Finished difference. Result has 76 places, 79 transitions, 602 flow [2024-06-20 19:08:50,503 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=602, PETRI_PLACES=76, PETRI_TRANSITIONS=79} [2024-06-20 19:08:50,504 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 33 predicate places. [2024-06-20 19:08:50,504 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 79 transitions, 602 flow [2024-06-20 19:08:50,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-06-20 19:08:50,504 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:08:50,504 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:08:50,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-06-20 19:08:50,505 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:08:50,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:08:50,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1018036495, now seen corresponding path program 1 times [2024-06-20 19:08:50,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:08:50,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597477370] [2024-06-20 19:08:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:08:50,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:08:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:09:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:09:02,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:09:02,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597477370] [2024-06-20 19:09:02,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597477370] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:09:02,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:09:02,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:09:02,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100719933] [2024-06-20 19:09:02,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:09:02,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:09:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:09:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:09:02,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:09:02,508 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:09:02,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 79 transitions, 602 flow. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2024-06-20 19:09:02,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:09:02,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:09:02,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:09:03,928 INFO L124 PetriNetUnfolderBase]: 1966/3057 cut-off events. [2024-06-20 19:09:03,929 INFO L125 PetriNetUnfolderBase]: For 21223/21223 co-relation queries the response was YES. [2024-06-20 19:09:03,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13167 conditions, 3057 events. 1966/3057 cut-off events. For 21223/21223 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 15587 event pairs, 614 based on Foata normal form. 4/3053 useless extension candidates. Maximal degree in co-relation 13134. Up to 2715 conditions per place. [2024-06-20 19:09:03,942 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 81 selfloop transitions, 28 changer transitions 0/115 dead transitions. [2024-06-20 19:09:03,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 115 transitions, 998 flow [2024-06-20 19:09:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:09:03,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:09:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2024-06-20 19:09:03,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4931972789115646 [2024-06-20 19:09:03,945 INFO L175 Difference]: Start difference. First operand has 76 places, 79 transitions, 602 flow. Second operand 7 states and 145 transitions. [2024-06-20 19:09:03,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 115 transitions, 998 flow [2024-06-20 19:09:03,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 115 transitions, 968 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-06-20 19:09:03,995 INFO L231 Difference]: Finished difference. Result has 80 places, 85 transitions, 698 flow [2024-06-20 19:09:03,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=698, PETRI_PLACES=80, PETRI_TRANSITIONS=85} [2024-06-20 19:09:03,995 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 37 predicate places. [2024-06-20 19:09:03,995 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 85 transitions, 698 flow [2024-06-20 19:09:03,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2024-06-20 19:09:03,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:09:03,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:09:03,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-06-20 19:09:03,996 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:09:03,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:09:03,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1856620175, now seen corresponding path program 2 times [2024-06-20 19:09:03,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:09:03,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019443782] [2024-06-20 19:09:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:09:03,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:09:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:09:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:09:15,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:09:15,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019443782] [2024-06-20 19:09:15,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019443782] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:09:15,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:09:15,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:09:15,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278809453] [2024-06-20 19:09:15,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:09:15,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:09:15,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:09:15,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:09:15,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:09:15,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:09:15,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 85 transitions, 698 flow. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2024-06-20 19:09:15,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:09:15,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:09:15,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:09:17,064 INFO L124 PetriNetUnfolderBase]: 1956/3043 cut-off events. [2024-06-20 19:09:17,065 INFO L125 PetriNetUnfolderBase]: For 24895/24895 co-relation queries the response was YES. [2024-06-20 19:09:17,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13768 conditions, 3043 events. 1956/3043 cut-off events. For 24895/24895 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 15477 event pairs, 627 based on Foata normal form. 4/3044 useless extension candidates. Maximal degree in co-relation 13734. Up to 2763 conditions per place. [2024-06-20 19:09:17,077 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 80 selfloop transitions, 24 changer transitions 0/110 dead transitions. [2024-06-20 19:09:17,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 110 transitions, 974 flow [2024-06-20 19:09:17,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:09:17,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:09:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2024-06-20 19:09:17,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-20 19:09:17,079 INFO L175 Difference]: Start difference. First operand has 80 places, 85 transitions, 698 flow. Second operand 7 states and 140 transitions. [2024-06-20 19:09:17,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 110 transitions, 974 flow [2024-06-20 19:09:17,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 110 transitions, 920 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-06-20 19:09:17,107 INFO L231 Difference]: Finished difference. Result has 84 places, 85 transitions, 700 flow [2024-06-20 19:09:17,107 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=644, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=700, PETRI_PLACES=84, PETRI_TRANSITIONS=85} [2024-06-20 19:09:17,108 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 41 predicate places. [2024-06-20 19:09:17,108 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 85 transitions, 700 flow [2024-06-20 19:09:17,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 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) [2024-06-20 19:09:17,108 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:09:17,109 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:09:17,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-06-20 19:09:17,109 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:09:17,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:09:17,109 INFO L85 PathProgramCache]: Analyzing trace with hash 67604691, now seen corresponding path program 1 times [2024-06-20 19:09:17,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:09:17,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619943165] [2024-06-20 19:09:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:09:17,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:09:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:09:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:09:27,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:09:27,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619943165] [2024-06-20 19:09:27,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619943165] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:09:27,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:09:27,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:09:27,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689374538] [2024-06-20 19:09:27,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:09:27,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:09:27,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:09:27,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:09:27,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:09:27,973 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:09:27,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 85 transitions, 700 flow. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) [2024-06-20 19:09:27,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:09:27,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:09:27,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:09:29,418 INFO L124 PetriNetUnfolderBase]: 2112/3247 cut-off events. [2024-06-20 19:09:29,419 INFO L125 PetriNetUnfolderBase]: For 28771/28771 co-relation queries the response was YES. [2024-06-20 19:09:29,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15020 conditions, 3247 events. 2112/3247 cut-off events. For 28771/28771 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 15815 event pairs, 748 based on Foata normal form. 2/3248 useless extension candidates. Maximal degree in co-relation 14984. Up to 3093 conditions per place. [2024-06-20 19:09:29,433 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 85 selfloop transitions, 19 changer transitions 0/108 dead transitions. [2024-06-20 19:09:29,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 108 transitions, 995 flow [2024-06-20 19:09:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:09:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:09:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 126 transitions. [2024-06-20 19:09:29,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-06-20 19:09:29,435 INFO L175 Difference]: Start difference. First operand has 84 places, 85 transitions, 700 flow. Second operand 7 states and 126 transitions. [2024-06-20 19:09:29,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 108 transitions, 995 flow [2024-06-20 19:09:29,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 108 transitions, 920 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-06-20 19:09:29,450 INFO L231 Difference]: Finished difference. Result has 85 places, 88 transitions, 716 flow [2024-06-20 19:09:29,451 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=716, PETRI_PLACES=85, PETRI_TRANSITIONS=88} [2024-06-20 19:09:29,451 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 42 predicate places. [2024-06-20 19:09:29,451 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 716 flow [2024-06-20 19:09:29,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 9 states have internal predecessors, (93), 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) [2024-06-20 19:09:29,451 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:09:29,452 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:09:29,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-06-20 19:09:29,452 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:09:29,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:09:29,452 INFO L85 PathProgramCache]: Analyzing trace with hash -220560126, now seen corresponding path program 1 times [2024-06-20 19:09:29,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:09:29,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368408260] [2024-06-20 19:09:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:09:29,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:09:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:09:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:09:46,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:09:46,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368408260] [2024-06-20 19:09:46,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368408260] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:09:46,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:09:46,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:09:46,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556615578] [2024-06-20 19:09:46,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:09:46,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:09:46,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:09:46,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:09:46,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:09:46,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:09:46,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 88 transitions, 716 flow. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-06-20 19:09:46,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:09:46,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:09:46,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:09:47,964 INFO L124 PetriNetUnfolderBase]: 2361/3515 cut-off events. [2024-06-20 19:09:47,964 INFO L125 PetriNetUnfolderBase]: For 36655/36655 co-relation queries the response was YES. [2024-06-20 19:09:47,971 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16680 conditions, 3515 events. 2361/3515 cut-off events. For 36655/36655 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 16512 event pairs, 855 based on Foata normal form. 1/3515 useless extension candidates. Maximal degree in co-relation 16643. Up to 3497 conditions per place. [2024-06-20 19:09:47,981 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 86 selfloop transitions, 11 changer transitions 0/100 dead transitions. [2024-06-20 19:09:47,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 100 transitions, 960 flow [2024-06-20 19:09:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:09:47,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:09:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 96 transitions. [2024-06-20 19:09:47,982 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-06-20 19:09:47,982 INFO L175 Difference]: Start difference. First operand has 85 places, 88 transitions, 716 flow. Second operand 6 states and 96 transitions. [2024-06-20 19:09:47,982 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 100 transitions, 960 flow [2024-06-20 19:09:47,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 100 transitions, 906 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-06-20 19:09:47,999 INFO L231 Difference]: Finished difference. Result has 85 places, 91 transitions, 724 flow [2024-06-20 19:09:47,999 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=662, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=724, PETRI_PLACES=85, PETRI_TRANSITIONS=91} [2024-06-20 19:09:48,000 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 42 predicate places. [2024-06-20 19:09:48,000 INFO L495 AbstractCegarLoop]: Abstraction has has 85 places, 91 transitions, 724 flow [2024-06-20 19:09:48,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 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) [2024-06-20 19:09:48,000 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:09:48,001 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:09:48,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-06-20 19:09:48,001 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:09:48,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:09:48,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1494419479, now seen corresponding path program 1 times [2024-06-20 19:09:48,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:09:48,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288760186] [2024-06-20 19:09:48,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:09:48,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:09:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:10:01,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:10:01,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:10:01,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288760186] [2024-06-20 19:10:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288760186] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:10:01,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:10:01,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:10:01,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024772222] [2024-06-20 19:10:01,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:10:01,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:10:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:10:01,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:10:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:10:01,955 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:10:01,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 91 transitions, 724 flow. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:01,955 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:10:01,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:10:01,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:10:03,642 INFO L124 PetriNetUnfolderBase]: 2258/3522 cut-off events. [2024-06-20 19:10:03,643 INFO L125 PetriNetUnfolderBase]: For 44135/44135 co-relation queries the response was YES. [2024-06-20 19:10:03,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17205 conditions, 3522 events. 2258/3522 cut-off events. For 44135/44135 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 18585 event pairs, 418 based on Foata normal form. 16/3530 useless extension candidates. Maximal degree in co-relation 17167. Up to 2662 conditions per place. [2024-06-20 19:10:03,658 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 97 selfloop transitions, 33 changer transitions 0/137 dead transitions. [2024-06-20 19:10:03,658 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 137 transitions, 1215 flow [2024-06-20 19:10:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:10:03,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:10:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 167 transitions. [2024-06-20 19:10:03,665 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49702380952380953 [2024-06-20 19:10:03,665 INFO L175 Difference]: Start difference. First operand has 85 places, 91 transitions, 724 flow. Second operand 8 states and 167 transitions. [2024-06-20 19:10:03,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 137 transitions, 1215 flow [2024-06-20 19:10:03,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 137 transitions, 1175 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-06-20 19:10:03,685 INFO L231 Difference]: Finished difference. Result has 90 places, 94 transitions, 808 flow [2024-06-20 19:10:03,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=684, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=808, PETRI_PLACES=90, PETRI_TRANSITIONS=94} [2024-06-20 19:10:03,686 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 47 predicate places. [2024-06-20 19:10:03,686 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 94 transitions, 808 flow [2024-06-20 19:10:03,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:03,686 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:10:03,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:10:03,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-06-20 19:10:03,687 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:10:03,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:10:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1494359029, now seen corresponding path program 2 times [2024-06-20 19:10:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:10:03,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210583327] [2024-06-20 19:10:03,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:10:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:10:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:10:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:10:17,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:10:17,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210583327] [2024-06-20 19:10:17,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210583327] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:10:17,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:10:17,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:10:17,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124316287] [2024-06-20 19:10:17,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:10:17,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:10:17,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:10:17,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:10:17,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:10:17,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:10:17,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 94 transitions, 808 flow. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:17,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:10:17,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:10:17,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:10:19,172 INFO L124 PetriNetUnfolderBase]: 2333/3647 cut-off events. [2024-06-20 19:10:19,173 INFO L125 PetriNetUnfolderBase]: For 50642/50642 co-relation queries the response was YES. [2024-06-20 19:10:19,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18391 conditions, 3647 events. 2333/3647 cut-off events. For 50642/50642 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 19536 event pairs, 632 based on Foata normal form. 20/3659 useless extension candidates. Maximal degree in co-relation 18351. Up to 3118 conditions per place. [2024-06-20 19:10:19,193 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 94 selfloop transitions, 31 changer transitions 0/132 dead transitions. [2024-06-20 19:10:19,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 132 transitions, 1189 flow [2024-06-20 19:10:19,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:10:19,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:10:19,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 163 transitions. [2024-06-20 19:10:19,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4851190476190476 [2024-06-20 19:10:19,197 INFO L175 Difference]: Start difference. First operand has 90 places, 94 transitions, 808 flow. Second operand 8 states and 163 transitions. [2024-06-20 19:10:19,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 132 transitions, 1189 flow [2024-06-20 19:10:19,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 132 transitions, 1148 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-06-20 19:10:19,223 INFO L231 Difference]: Finished difference. Result has 94 places, 95 transitions, 857 flow [2024-06-20 19:10:19,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=767, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=857, PETRI_PLACES=94, PETRI_TRANSITIONS=95} [2024-06-20 19:10:19,223 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 51 predicate places. [2024-06-20 19:10:19,223 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 95 transitions, 857 flow [2024-06-20 19:10:19,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:19,224 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:10:19,224 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:10:19,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-06-20 19:10:19,224 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:10:19,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:10:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash 717948009, now seen corresponding path program 3 times [2024-06-20 19:10:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:10:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93719647] [2024-06-20 19:10:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:10:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:10:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:10:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:10:32,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:10:32,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93719647] [2024-06-20 19:10:32,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93719647] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:10:32,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:10:32,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:10:32,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861986731] [2024-06-20 19:10:32,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:10:32,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:10:32,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:10:32,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:10:32,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:10:32,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-20 19:10:32,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 95 transitions, 857 flow. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:32,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:10:32,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-20 19:10:32,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:10:34,298 INFO L124 PetriNetUnfolderBase]: 2297/3591 cut-off events. [2024-06-20 19:10:34,299 INFO L125 PetriNetUnfolderBase]: For 53328/53328 co-relation queries the response was YES. [2024-06-20 19:10:34,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18284 conditions, 3591 events. 2297/3591 cut-off events. For 53328/53328 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 19160 event pairs, 639 based on Foata normal form. 20/3608 useless extension candidates. Maximal degree in co-relation 18242. Up to 3132 conditions per place. [2024-06-20 19:10:34,319 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 95 selfloop transitions, 27 changer transitions 0/129 dead transitions. [2024-06-20 19:10:34,319 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 129 transitions, 1205 flow [2024-06-20 19:10:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:10:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:10:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 160 transitions. [2024-06-20 19:10:34,322 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-20 19:10:34,322 INFO L175 Difference]: Start difference. First operand has 94 places, 95 transitions, 857 flow. Second operand 8 states and 160 transitions. [2024-06-20 19:10:34,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 129 transitions, 1205 flow [2024-06-20 19:10:34,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 129 transitions, 1134 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-06-20 19:10:34,353 INFO L231 Difference]: Finished difference. Result has 96 places, 95 transitions, 847 flow [2024-06-20 19:10:34,353 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=786, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=847, PETRI_PLACES=96, PETRI_TRANSITIONS=95} [2024-06-20 19:10:34,353 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 53 predicate places. [2024-06-20 19:10:34,353 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 95 transitions, 847 flow [2024-06-20 19:10:34,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 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) [2024-06-20 19:10:34,354 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:10:34,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:10:34,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-06-20 19:10:34,354 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:10:34,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:10:34,355 INFO L85 PathProgramCache]: Analyzing trace with hash 833423877, now seen corresponding path program 1 times [2024-06-20 19:10:34,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:10:34,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711541882] [2024-06-20 19:10:34,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:10:34,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:10:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:10:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:10:46,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:10:46,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711541882] [2024-06-20 19:10:46,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711541882] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:10:46,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:10:46,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:10:46,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162494068] [2024-06-20 19:10:46,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:10:46,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:10:46,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:10:46,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:10:46,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:10:46,890 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:10:46,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 95 transitions, 847 flow. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:10:46,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:10:46,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:10:46,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:10:48,536 INFO L124 PetriNetUnfolderBase]: 2457/3800 cut-off events. [2024-06-20 19:10:48,536 INFO L125 PetriNetUnfolderBase]: For 56721/56723 co-relation queries the response was YES. [2024-06-20 19:10:48,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19355 conditions, 3800 events. 2457/3800 cut-off events. For 56721/56723 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 19633 event pairs, 695 based on Foata normal form. 8/3807 useless extension candidates. Maximal degree in co-relation 19312. Up to 3435 conditions per place. [2024-06-20 19:10:48,554 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 97 selfloop transitions, 30 changer transitions 0/132 dead transitions. [2024-06-20 19:10:48,554 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 132 transitions, 1251 flow [2024-06-20 19:10:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:10:48,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:10:48,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2024-06-20 19:10:48,557 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2024-06-20 19:10:48,557 INFO L175 Difference]: Start difference. First operand has 96 places, 95 transitions, 847 flow. Second operand 8 states and 153 transitions. [2024-06-20 19:10:48,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 132 transitions, 1251 flow [2024-06-20 19:10:48,584 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 132 transitions, 1192 flow, removed 1 selfloop flow, removed 6 redundant places. [2024-06-20 19:10:48,585 INFO L231 Difference]: Finished difference. Result has 99 places, 102 transitions, 940 flow [2024-06-20 19:10:48,586 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=940, PETRI_PLACES=99, PETRI_TRANSITIONS=102} [2024-06-20 19:10:48,587 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 56 predicate places. [2024-06-20 19:10:48,587 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 102 transitions, 940 flow [2024-06-20 19:10:48,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:10:48,588 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:10:48,588 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:10:48,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-06-20 19:10:48,588 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:10:48,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:10:48,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1741130063, now seen corresponding path program 1 times [2024-06-20 19:10:48,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:10:48,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251622840] [2024-06-20 19:10:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:10:48,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:10:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:11:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:11:02,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:11:02,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251622840] [2024-06-20 19:11:02,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251622840] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:11:02,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:11:02,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:11:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492905310] [2024-06-20 19:11:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:11:02,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:11:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:11:02,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:11:02,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:11:02,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:11:02,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 102 transitions, 940 flow. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:11:02,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:11:02,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:11:02,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:11:03,906 INFO L124 PetriNetUnfolderBase]: 2510/3854 cut-off events. [2024-06-20 19:11:03,907 INFO L125 PetriNetUnfolderBase]: For 61216/61216 co-relation queries the response was YES. [2024-06-20 19:11:03,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20339 conditions, 3854 events. 2510/3854 cut-off events. For 61216/61216 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 19523 event pairs, 799 based on Foata normal form. 1/3854 useless extension candidates. Maximal degree in co-relation 20294. Up to 3710 conditions per place. [2024-06-20 19:11:03,927 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 103 selfloop transitions, 16 changer transitions 0/124 dead transitions. [2024-06-20 19:11:03,927 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 124 transitions, 1312 flow [2024-06-20 19:11:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:11:03,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:11:03,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 110 transitions. [2024-06-20 19:11:03,928 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4365079365079365 [2024-06-20 19:11:03,929 INFO L175 Difference]: Start difference. First operand has 99 places, 102 transitions, 940 flow. Second operand 6 states and 110 transitions. [2024-06-20 19:11:03,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 124 transitions, 1312 flow [2024-06-20 19:11:03,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 124 transitions, 1232 flow, removed 13 selfloop flow, removed 5 redundant places. [2024-06-20 19:11:03,964 INFO L231 Difference]: Finished difference. Result has 100 places, 108 transitions, 960 flow [2024-06-20 19:11:03,964 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=860, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=960, PETRI_PLACES=100, PETRI_TRANSITIONS=108} [2024-06-20 19:11:03,964 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 57 predicate places. [2024-06-20 19:11:03,965 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 108 transitions, 960 flow [2024-06-20 19:11:03,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:11:03,965 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:11:03,965 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:11:03,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-06-20 19:11:03,965 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:11:03,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:11:03,966 INFO L85 PathProgramCache]: Analyzing trace with hash -595744315, now seen corresponding path program 2 times [2024-06-20 19:11:03,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:11:03,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395280175] [2024-06-20 19:11:03,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:11:03,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:11:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:11:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:11:15,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:11:15,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395280175] [2024-06-20 19:11:15,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395280175] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:11:15,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:11:15,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:11:15,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117456044] [2024-06-20 19:11:15,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:11:15,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:11:15,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:11:15,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:11:15,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:11:16,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:11:16,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 108 transitions, 960 flow. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:11:16,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:11:16,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:11:16,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:11:17,716 INFO L124 PetriNetUnfolderBase]: 2527/3881 cut-off events. [2024-06-20 19:11:17,716 INFO L125 PetriNetUnfolderBase]: For 68025/68025 co-relation queries the response was YES. [2024-06-20 19:11:17,726 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20853 conditions, 3881 events. 2527/3881 cut-off events. For 68025/68025 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 19710 event pairs, 803 based on Foata normal form. 4/3884 useless extension candidates. Maximal degree in co-relation 20807. Up to 3681 conditions per place. [2024-06-20 19:11:17,737 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 113 selfloop transitions, 21 changer transitions 0/139 dead transitions. [2024-06-20 19:11:17,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 139 transitions, 1356 flow [2024-06-20 19:11:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:11:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:11:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-06-20 19:11:17,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-06-20 19:11:17,741 INFO L175 Difference]: Start difference. First operand has 100 places, 108 transitions, 960 flow. Second operand 8 states and 144 transitions. [2024-06-20 19:11:17,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 139 transitions, 1356 flow [2024-06-20 19:11:17,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 139 transitions, 1326 flow, removed 11 selfloop flow, removed 2 redundant places. [2024-06-20 19:11:17,776 INFO L231 Difference]: Finished difference. Result has 107 places, 113 transitions, 1053 flow [2024-06-20 19:11:17,776 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1053, PETRI_PLACES=107, PETRI_TRANSITIONS=113} [2024-06-20 19:11:17,776 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 64 predicate places. [2024-06-20 19:11:17,776 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 113 transitions, 1053 flow [2024-06-20 19:11:17,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:11:17,777 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:11:17,777 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:11:17,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-06-20 19:11:17,777 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:11:17,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:11:17,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1580051555, now seen corresponding path program 3 times [2024-06-20 19:11:17,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:11:17,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518360014] [2024-06-20 19:11:17,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:11:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:11:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:11:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:11:28,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:11:28,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518360014] [2024-06-20 19:11:28,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518360014] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:11:28,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:11:28,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:11:28,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631258424] [2024-06-20 19:11:28,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:11:28,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:11:28,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:11:28,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:11:28,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:11:28,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:11:28,849 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 113 transitions, 1053 flow. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:11:28,849 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:11:28,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:11:28,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:11:30,536 INFO L124 PetriNetUnfolderBase]: 2544/3908 cut-off events. [2024-06-20 19:11:30,536 INFO L125 PetriNetUnfolderBase]: For 75261/75261 co-relation queries the response was YES. [2024-06-20 19:11:30,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21726 conditions, 3908 events. 2544/3908 cut-off events. For 75261/75261 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 19846 event pairs, 779 based on Foata normal form. 4/3911 useless extension candidates. Maximal degree in co-relation 21677. Up to 3721 conditions per place. [2024-06-20 19:11:30,557 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 118 selfloop transitions, 17 changer transitions 0/140 dead transitions. [2024-06-20 19:11:30,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 140 transitions, 1419 flow [2024-06-20 19:11:30,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:11:30,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:11:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-20 19:11:30,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41964285714285715 [2024-06-20 19:11:30,561 INFO L175 Difference]: Start difference. First operand has 107 places, 113 transitions, 1053 flow. Second operand 8 states and 141 transitions. [2024-06-20 19:11:30,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 140 transitions, 1419 flow [2024-06-20 19:11:30,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 140 transitions, 1346 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-06-20 19:11:30,604 INFO L231 Difference]: Finished difference. Result has 110 places, 115 transitions, 1059 flow [2024-06-20 19:11:30,604 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=980, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1059, PETRI_PLACES=110, PETRI_TRANSITIONS=115} [2024-06-20 19:11:30,605 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 67 predicate places. [2024-06-20 19:11:30,605 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 115 transitions, 1059 flow [2024-06-20 19:11:30,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:11:30,605 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:11:30,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:11:30,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-06-20 19:11:30,605 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:11:30,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:11:30,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1571480675, now seen corresponding path program 4 times [2024-06-20 19:11:30,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:11:30,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665594636] [2024-06-20 19:11:30,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:11:30,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:11:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:11:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:11:41,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:11:41,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665594636] [2024-06-20 19:11:41,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665594636] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:11:41,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:11:41,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:11:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448201396] [2024-06-20 19:11:41,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:11:41,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:11:41,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:11:41,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:11:41,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:11:42,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:11:42,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 115 transitions, 1059 flow. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 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) [2024-06-20 19:11:42,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:11:42,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:11:42,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:11:43,886 INFO L124 PetriNetUnfolderBase]: 2561/3935 cut-off events. [2024-06-20 19:11:43,886 INFO L125 PetriNetUnfolderBase]: For 82137/82137 co-relation queries the response was YES. [2024-06-20 19:11:43,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22211 conditions, 3935 events. 2561/3935 cut-off events. For 82137/82137 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20031 event pairs, 803 based on Foata normal form. 4/3938 useless extension candidates. Maximal degree in co-relation 22161. Up to 3762 conditions per place. [2024-06-20 19:11:43,907 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 121 selfloop transitions, 16 changer transitions 0/142 dead transitions. [2024-06-20 19:11:43,907 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 142 transitions, 1435 flow [2024-06-20 19:11:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:11:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:11:43,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-20 19:11:43,910 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41964285714285715 [2024-06-20 19:11:43,910 INFO L175 Difference]: Start difference. First operand has 110 places, 115 transitions, 1059 flow. Second operand 8 states and 141 transitions. [2024-06-20 19:11:43,910 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 142 transitions, 1435 flow [2024-06-20 19:11:43,946 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 142 transitions, 1374 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-06-20 19:11:43,948 INFO L231 Difference]: Finished difference. Result has 112 places, 117 transitions, 1079 flow [2024-06-20 19:11:43,948 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=998, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1079, PETRI_PLACES=112, PETRI_TRANSITIONS=117} [2024-06-20 19:11:43,948 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 69 predicate places. [2024-06-20 19:11:43,948 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 117 transitions, 1079 flow [2024-06-20 19:11:43,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 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) [2024-06-20 19:11:43,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:11:43,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:11:43,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-06-20 19:11:43,949 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:11:43,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:11:43,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1350066027, now seen corresponding path program 1 times [2024-06-20 19:11:43,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:11:43,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156477052] [2024-06-20 19:11:43,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:11:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:11:43,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:11:55,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:11:55,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:11:55,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156477052] [2024-06-20 19:11:55,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156477052] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:11:55,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:11:55,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:11:55,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276786722] [2024-06-20 19:11:55,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:11:55,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:11:55,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:11:55,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:11:55,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:11:55,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:11:55,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 117 transitions, 1079 flow. Second operand has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 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) [2024-06-20 19:11:55,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:11:55,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:11:55,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:11:56,774 INFO L124 PetriNetUnfolderBase]: 2541/3896 cut-off events. [2024-06-20 19:11:56,775 INFO L125 PetriNetUnfolderBase]: For 88000/88002 co-relation queries the response was YES. [2024-06-20 19:11:56,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22362 conditions, 3896 events. 2541/3896 cut-off events. For 88000/88002 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 19763 event pairs, 728 based on Foata normal form. 2/3897 useless extension candidates. Maximal degree in co-relation 22311. Up to 3540 conditions per place. [2024-06-20 19:11:56,795 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 98 selfloop transitions, 38 changer transitions 0/141 dead transitions. [2024-06-20 19:11:56,795 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 141 transitions, 1421 flow [2024-06-20 19:11:56,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:11:56,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:11:56,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 124 transitions. [2024-06-20 19:11:56,798 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49206349206349204 [2024-06-20 19:11:56,798 INFO L175 Difference]: Start difference. First operand has 112 places, 117 transitions, 1079 flow. Second operand 6 states and 124 transitions. [2024-06-20 19:11:56,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 141 transitions, 1421 flow [2024-06-20 19:11:56,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 141 transitions, 1352 flow, removed 21 selfloop flow, removed 5 redundant places. [2024-06-20 19:11:56,840 INFO L231 Difference]: Finished difference. Result has 113 places, 117 transitions, 1104 flow [2024-06-20 19:11:56,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1010, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1104, PETRI_PLACES=113, PETRI_TRANSITIONS=117} [2024-06-20 19:11:56,841 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 70 predicate places. [2024-06-20 19:11:56,841 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 117 transitions, 1104 flow [2024-06-20 19:11:56,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 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) [2024-06-20 19:11:56,841 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:11:56,841 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:11:56,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-06-20 19:11:56,842 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:11:56,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:11:56,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1866058241, now seen corresponding path program 5 times [2024-06-20 19:11:56,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:11:56,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477264935] [2024-06-20 19:11:56,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:11:56,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:11:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:12:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:12:07,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:12:07,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477264935] [2024-06-20 19:12:07,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477264935] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:12:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:12:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:12:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162069177] [2024-06-20 19:12:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:12:07,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:12:07,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:12:07,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:12:07,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:12:07,989 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:12:07,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 117 transitions, 1104 flow. Second operand has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:12:07,990 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:12:07,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:12:07,990 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:12:09,571 INFO L124 PetriNetUnfolderBase]: 2533/3883 cut-off events. [2024-06-20 19:12:09,572 INFO L125 PetriNetUnfolderBase]: For 93873/93873 co-relation queries the response was YES. [2024-06-20 19:12:09,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22550 conditions, 3883 events. 2533/3883 cut-off events. For 93873/93873 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 19608 event pairs, 797 based on Foata normal form. 4/3886 useless extension candidates. Maximal degree in co-relation 22498. Up to 3674 conditions per place. [2024-06-20 19:12:09,595 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 116 selfloop transitions, 23 changer transitions 0/144 dead transitions. [2024-06-20 19:12:09,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 144 transitions, 1488 flow [2024-06-20 19:12:09,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:12:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:12:09,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 142 transitions. [2024-06-20 19:12:09,598 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4226190476190476 [2024-06-20 19:12:09,598 INFO L175 Difference]: Start difference. First operand has 113 places, 117 transitions, 1104 flow. Second operand 8 states and 142 transitions. [2024-06-20 19:12:09,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 144 transitions, 1488 flow [2024-06-20 19:12:09,649 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 144 transitions, 1412 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-20 19:12:09,651 INFO L231 Difference]: Finished difference. Result has 116 places, 119 transitions, 1130 flow [2024-06-20 19:12:09,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1028, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1130, PETRI_PLACES=116, PETRI_TRANSITIONS=119} [2024-06-20 19:12:09,652 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 73 predicate places. [2024-06-20 19:12:09,652 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 119 transitions, 1130 flow [2024-06-20 19:12:09,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.3) internal successors, (103), 10 states have internal predecessors, (103), 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) [2024-06-20 19:12:09,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:12:09,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:12:09,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-06-20 19:12:09,653 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:12:09,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:12:09,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1752557903, now seen corresponding path program 2 times [2024-06-20 19:12:09,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:12:09,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288960518] [2024-06-20 19:12:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:12:09,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:12:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:12:23,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:12:23,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:12:23,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288960518] [2024-06-20 19:12:23,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288960518] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:12:23,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:12:23,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:12:23,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218168737] [2024-06-20 19:12:23,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:12:23,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:12:23,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:12:23,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:12:23,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:12:23,104 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:12:23,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 119 transitions, 1130 flow. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:12:23,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:12:23,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:12:23,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:12:24,592 INFO L124 PetriNetUnfolderBase]: 2530/3879 cut-off events. [2024-06-20 19:12:24,592 INFO L125 PetriNetUnfolderBase]: For 100112/100112 co-relation queries the response was YES. [2024-06-20 19:12:24,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22830 conditions, 3879 events. 2530/3879 cut-off events. For 100112/100112 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 19587 event pairs, 797 based on Foata normal form. 1/3879 useless extension candidates. Maximal degree in co-relation 22777. Up to 3754 conditions per place. [2024-06-20 19:12:24,616 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 112 selfloop transitions, 11 changer transitions 0/128 dead transitions. [2024-06-20 19:12:24,616 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 128 transitions, 1398 flow [2024-06-20 19:12:24,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:12:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:12:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 101 transitions. [2024-06-20 19:12:24,617 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4007936507936508 [2024-06-20 19:12:24,617 INFO L175 Difference]: Start difference. First operand has 116 places, 119 transitions, 1130 flow. Second operand 6 states and 101 transitions. [2024-06-20 19:12:24,618 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 128 transitions, 1398 flow [2024-06-20 19:12:24,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 128 transitions, 1300 flow, removed 29 selfloop flow, removed 6 redundant places. [2024-06-20 19:12:24,670 INFO L231 Difference]: Finished difference. Result has 116 places, 119 transitions, 1060 flow [2024-06-20 19:12:24,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1032, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1060, PETRI_PLACES=116, PETRI_TRANSITIONS=119} [2024-06-20 19:12:24,671 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 73 predicate places. [2024-06-20 19:12:24,671 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 119 transitions, 1060 flow [2024-06-20 19:12:24,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:12:24,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:12:24,672 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:12:24,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-06-20 19:12:24,672 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:12:24,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:12:24,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1746849935, now seen corresponding path program 1 times [2024-06-20 19:12:24,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:12:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299184216] [2024-06-20 19:12:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:12:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:12:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:12:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:12:41,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:12:41,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299184216] [2024-06-20 19:12:41,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299184216] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:12:41,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:12:41,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:12:41,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953599465] [2024-06-20 19:12:41,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:12:41,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:12:41,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:12:41,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:12:41,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:12:41,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:12:41,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 119 transitions, 1060 flow. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:12:41,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:12:41,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:12:41,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:12:43,260 INFO L124 PetriNetUnfolderBase]: 2535/3886 cut-off events. [2024-06-20 19:12:43,260 INFO L125 PetriNetUnfolderBase]: For 98383/98383 co-relation queries the response was YES. [2024-06-20 19:12:43,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22542 conditions, 3886 events. 2535/3886 cut-off events. For 98383/98383 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 19638 event pairs, 797 based on Foata normal form. 1/3886 useless extension candidates. Maximal degree in co-relation 22488. Up to 3748 conditions per place. [2024-06-20 19:12:43,281 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 117 selfloop transitions, 16 changer transitions 0/138 dead transitions. [2024-06-20 19:12:43,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 138 transitions, 1464 flow [2024-06-20 19:12:43,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:12:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:12:43,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 107 transitions. [2024-06-20 19:12:43,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4246031746031746 [2024-06-20 19:12:43,282 INFO L175 Difference]: Start difference. First operand has 116 places, 119 transitions, 1060 flow. Second operand 6 states and 107 transitions. [2024-06-20 19:12:43,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 138 transitions, 1464 flow [2024-06-20 19:12:43,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 138 transitions, 1432 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-06-20 19:12:43,329 INFO L231 Difference]: Finished difference. Result has 117 places, 125 transitions, 1128 flow [2024-06-20 19:12:43,329 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1028, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1128, PETRI_PLACES=117, PETRI_TRANSITIONS=125} [2024-06-20 19:12:43,330 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 74 predicate places. [2024-06-20 19:12:43,330 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 125 transitions, 1128 flow [2024-06-20 19:12:43,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:12:43,330 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:12:43,330 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:12:43,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-06-20 19:12:43,330 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:12:43,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:12:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash -2026721231, now seen corresponding path program 2 times [2024-06-20 19:12:43,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:12:43,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190083914] [2024-06-20 19:12:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:12:43,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:12:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:12:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:12:59,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:12:59,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190083914] [2024-06-20 19:12:59,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190083914] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:12:59,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:12:59,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-20 19:12:59,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754163511] [2024-06-20 19:12:59,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:12:59,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-20 19:12:59,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:12:59,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-20 19:12:59,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-06-20 19:12:59,793 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:12:59,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 125 transitions, 1128 flow. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:12:59,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:12:59,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:12:59,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:13:01,336 INFO L124 PetriNetUnfolderBase]: 2532/3883 cut-off events. [2024-06-20 19:13:01,336 INFO L125 PetriNetUnfolderBase]: For 106152/106154 co-relation queries the response was YES. [2024-06-20 19:13:01,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23151 conditions, 3883 events. 2532/3883 cut-off events. For 106152/106154 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 19613 event pairs, 800 based on Foata normal form. 3/3885 useless extension candidates. Maximal degree in co-relation 23096. Up to 3745 conditions per place. [2024-06-20 19:13:01,358 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 113 selfloop transitions, 16 changer transitions 0/134 dead transitions. [2024-06-20 19:13:01,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 134 transitions, 1408 flow [2024-06-20 19:13:01,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-20 19:13:01,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-20 19:13:01,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 103 transitions. [2024-06-20 19:13:01,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4087301587301587 [2024-06-20 19:13:01,359 INFO L175 Difference]: Start difference. First operand has 117 places, 125 transitions, 1128 flow. Second operand 6 states and 103 transitions. [2024-06-20 19:13:01,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 134 transitions, 1408 flow [2024-06-20 19:13:01,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 134 transitions, 1360 flow, removed 20 selfloop flow, removed 2 redundant places. [2024-06-20 19:13:01,406 INFO L231 Difference]: Finished difference. Result has 121 places, 125 transitions, 1118 flow [2024-06-20 19:13:01,406 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1080, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1118, PETRI_PLACES=121, PETRI_TRANSITIONS=125} [2024-06-20 19:13:01,407 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 78 predicate places. [2024-06-20 19:13:01,407 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 125 transitions, 1118 flow [2024-06-20 19:13:01,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 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) [2024-06-20 19:13:01,407 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:13:01,407 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:13:01,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-06-20 19:13:01,408 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:13:01,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:13:01,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2043694165, now seen corresponding path program 1 times [2024-06-20 19:13:01,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:13:01,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567965431] [2024-06-20 19:13:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:13:01,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:13:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:13:19,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:13:19,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:13:19,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567965431] [2024-06-20 19:13:19,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567965431] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:13:19,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:13:19,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:13:19,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478483679] [2024-06-20 19:13:19,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:13:19,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:13:19,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:13:19,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:13:19,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:13:19,271 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:13:19,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 125 transitions, 1118 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:13:19,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:13:19,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:13:19,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:13:21,043 INFO L124 PetriNetUnfolderBase]: 2655/4002 cut-off events. [2024-06-20 19:13:21,044 INFO L125 PetriNetUnfolderBase]: For 111601/111601 co-relation queries the response was YES. [2024-06-20 19:13:21,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23718 conditions, 4002 events. 2655/4002 cut-off events. For 111601/111601 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 19629 event pairs, 837 based on Foata normal form. 3/4004 useless extension candidates. Maximal degree in co-relation 23661. Up to 3975 conditions per place. [2024-06-20 19:13:21,068 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 123 selfloop transitions, 14 changer transitions 0/140 dead transitions. [2024-06-20 19:13:21,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 140 transitions, 1456 flow [2024-06-20 19:13:21,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:13:21,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:13:21,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2024-06-20 19:13:21,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3741496598639456 [2024-06-20 19:13:21,070 INFO L175 Difference]: Start difference. First operand has 121 places, 125 transitions, 1118 flow. Second operand 7 states and 110 transitions. [2024-06-20 19:13:21,070 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 140 transitions, 1456 flow [2024-06-20 19:13:21,126 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 140 transitions, 1410 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-06-20 19:13:21,128 INFO L231 Difference]: Finished difference. Result has 122 places, 128 transitions, 1148 flow [2024-06-20 19:13:21,128 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1072, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1148, PETRI_PLACES=122, PETRI_TRANSITIONS=128} [2024-06-20 19:13:21,128 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 79 predicate places. [2024-06-20 19:13:21,128 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 128 transitions, 1148 flow [2024-06-20 19:13:21,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:13:21,129 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:13:21,129 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:13:21,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-06-20 19:13:21,129 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:13:21,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:13:21,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1859840723, now seen corresponding path program 1 times [2024-06-20 19:13:21,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:13:21,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723822757] [2024-06-20 19:13:21,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:13:21,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:13:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:13:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:13:35,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:13:35,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723822757] [2024-06-20 19:13:35,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723822757] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:13:35,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:13:35,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:13:35,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483564033] [2024-06-20 19:13:35,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:13:35,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:13:35,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:13:35,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:13:35,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:13:35,407 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:13:35,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 128 transitions, 1148 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:13:35,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:13:35,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:13:35,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:13:36,984 INFO L124 PetriNetUnfolderBase]: 2541/3896 cut-off events. [2024-06-20 19:13:36,984 INFO L125 PetriNetUnfolderBase]: For 118193/118195 co-relation queries the response was YES. [2024-06-20 19:13:36,997 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23815 conditions, 3896 events. 2541/3896 cut-off events. For 118193/118195 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 19643 event pairs, 787 based on Foata normal form. 4/3899 useless extension candidates. Maximal degree in co-relation 23758. Up to 3641 conditions per place. [2024-06-20 19:13:37,009 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 123 selfloop transitions, 38 changer transitions 0/166 dead transitions. [2024-06-20 19:13:37,009 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 166 transitions, 1793 flow [2024-06-20 19:13:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:13:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:13:37,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2024-06-20 19:13:37,010 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46258503401360546 [2024-06-20 19:13:37,010 INFO L175 Difference]: Start difference. First operand has 122 places, 128 transitions, 1148 flow. Second operand 7 states and 136 transitions. [2024-06-20 19:13:37,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 166 transitions, 1793 flow [2024-06-20 19:13:37,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 166 transitions, 1739 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-06-20 19:13:37,068 INFO L231 Difference]: Finished difference. Result has 126 places, 142 transitions, 1377 flow [2024-06-20 19:13:37,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1094, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1377, PETRI_PLACES=126, PETRI_TRANSITIONS=142} [2024-06-20 19:13:37,069 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 83 predicate places. [2024-06-20 19:13:37,069 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 142 transitions, 1377 flow [2024-06-20 19:13:37,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:13:37,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:13:37,069 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:13:37,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-06-20 19:13:37,070 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:13:37,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:13:37,070 INFO L85 PathProgramCache]: Analyzing trace with hash 450733101, now seen corresponding path program 1 times [2024-06-20 19:13:37,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:13:37,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646972026] [2024-06-20 19:13:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:13:37,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:13:37,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:13:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:13:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:13:48,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646972026] [2024-06-20 19:13:48,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646972026] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:13:48,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:13:48,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:13:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869926430] [2024-06-20 19:13:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:13:48,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:13:48,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:13:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:13:48,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:13:49,012 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:13:49,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 142 transitions, 1377 flow. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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) [2024-06-20 19:13:49,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:13:49,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:13:49,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:13:50,752 INFO L124 PetriNetUnfolderBase]: 2580/3955 cut-off events. [2024-06-20 19:13:50,752 INFO L125 PetriNetUnfolderBase]: For 128814/128816 co-relation queries the response was YES. [2024-06-20 19:13:50,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25174 conditions, 3955 events. 2580/3955 cut-off events. For 128814/128816 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 19963 event pairs, 738 based on Foata normal form. 4/3958 useless extension candidates. Maximal degree in co-relation 25114. Up to 3595 conditions per place. [2024-06-20 19:13:50,774 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 138 selfloop transitions, 38 changer transitions 0/181 dead transitions. [2024-06-20 19:13:50,774 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 181 transitions, 1902 flow [2024-06-20 19:13:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:13:50,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:13:50,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 156 transitions. [2024-06-20 19:13:50,778 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2024-06-20 19:13:50,778 INFO L175 Difference]: Start difference. First operand has 126 places, 142 transitions, 1377 flow. Second operand 8 states and 156 transitions. [2024-06-20 19:13:50,778 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 181 transitions, 1902 flow [2024-06-20 19:13:50,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 181 transitions, 1826 flow, removed 31 selfloop flow, removed 2 redundant places. [2024-06-20 19:13:50,849 INFO L231 Difference]: Finished difference. Result has 133 places, 148 transitions, 1488 flow [2024-06-20 19:13:50,849 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1307, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1488, PETRI_PLACES=133, PETRI_TRANSITIONS=148} [2024-06-20 19:13:50,849 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 90 predicate places. [2024-06-20 19:13:50,849 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 148 transitions, 1488 flow [2024-06-20 19:13:50,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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) [2024-06-20 19:13:50,850 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:13:50,850 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:13:50,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-06-20 19:13:50,850 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:13:50,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:13:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash 290980521, now seen corresponding path program 2 times [2024-06-20 19:13:50,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:13:50,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995104825] [2024-06-20 19:13:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:13:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:13:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:14:03,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:14:03,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:14:03,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995104825] [2024-06-20 19:14:03,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995104825] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:14:03,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:14:03,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:14:03,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309579320] [2024-06-20 19:14:03,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:14:03,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:14:03,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:14:03,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:14:03,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:14:03,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:14:03,631 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 148 transitions, 1488 flow. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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) [2024-06-20 19:14:03,631 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:14:03,631 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:14:03,631 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:14:05,572 INFO L124 PetriNetUnfolderBase]: 2619/4014 cut-off events. [2024-06-20 19:14:05,573 INFO L125 PetriNetUnfolderBase]: For 137666/137668 co-relation queries the response was YES. [2024-06-20 19:14:05,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26009 conditions, 4014 events. 2619/4014 cut-off events. For 137666/137668 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 20283 event pairs, 748 based on Foata normal form. 4/4017 useless extension candidates. Maximal degree in co-relation 25946. Up to 3641 conditions per place. [2024-06-20 19:14:05,596 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 140 selfloop transitions, 38 changer transitions 0/183 dead transitions. [2024-06-20 19:14:05,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 183 transitions, 2011 flow [2024-06-20 19:14:05,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:14:05,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:14:05,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 152 transitions. [2024-06-20 19:14:05,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-20 19:14:05,599 INFO L175 Difference]: Start difference. First operand has 133 places, 148 transitions, 1488 flow. Second operand 8 states and 152 transitions. [2024-06-20 19:14:05,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 183 transitions, 2011 flow [2024-06-20 19:14:05,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 183 transitions, 1898 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-06-20 19:14:05,672 INFO L231 Difference]: Finished difference. Result has 136 places, 153 transitions, 1549 flow [2024-06-20 19:14:05,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1381, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1549, PETRI_PLACES=136, PETRI_TRANSITIONS=153} [2024-06-20 19:14:05,672 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 93 predicate places. [2024-06-20 19:14:05,673 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 153 transitions, 1549 flow [2024-06-20 19:14:05,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 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) [2024-06-20 19:14:05,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:14:05,673 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:14:05,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-06-20 19:14:05,674 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:14:05,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:14:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash 290987961, now seen corresponding path program 3 times [2024-06-20 19:14:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:14:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027650831] [2024-06-20 19:14:05,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:14:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:14:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:14:17,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:14:17,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:14:17,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027650831] [2024-06-20 19:14:17,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027650831] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:14:17,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:14:17,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:14:17,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450521098] [2024-06-20 19:14:17,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:14:17,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:14:17,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:14:17,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:14:17,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:14:17,651 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:14:17,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 153 transitions, 1549 flow. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:14:17,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:14:17,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:14:17,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:14:19,363 INFO L124 PetriNetUnfolderBase]: 2636/4041 cut-off events. [2024-06-20 19:14:19,363 INFO L125 PetriNetUnfolderBase]: For 146770/146772 co-relation queries the response was YES. [2024-06-20 19:14:19,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26496 conditions, 4041 events. 2636/4041 cut-off events. For 146770/146772 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20466 event pairs, 739 based on Foata normal form. 4/4044 useless extension candidates. Maximal degree in co-relation 26432. Up to 3563 conditions per place. [2024-06-20 19:14:19,390 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 135 selfloop transitions, 45 changer transitions 0/185 dead transitions. [2024-06-20 19:14:19,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 185 transitions, 2031 flow [2024-06-20 19:14:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:14:19,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:14:19,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 152 transitions. [2024-06-20 19:14:19,392 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-20 19:14:19,392 INFO L175 Difference]: Start difference. First operand has 136 places, 153 transitions, 1549 flow. Second operand 8 states and 152 transitions. [2024-06-20 19:14:19,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 185 transitions, 2031 flow [2024-06-20 19:14:19,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 185 transitions, 1940 flow, removed 20 selfloop flow, removed 4 redundant places. [2024-06-20 19:14:19,483 INFO L231 Difference]: Finished difference. Result has 140 places, 155 transitions, 1604 flow [2024-06-20 19:14:19,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1458, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1604, PETRI_PLACES=140, PETRI_TRANSITIONS=155} [2024-06-20 19:14:19,484 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 97 predicate places. [2024-06-20 19:14:19,484 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 155 transitions, 1604 flow [2024-06-20 19:14:19,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:14:19,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:14:19,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:14:19,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-06-20 19:14:19,485 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:14:19,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:14:19,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1269861529, now seen corresponding path program 2 times [2024-06-20 19:14:19,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:14:19,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327248968] [2024-06-20 19:14:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:14:19,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:14:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:14:33,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:14:33,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:14:33,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327248968] [2024-06-20 19:14:33,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327248968] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:14:33,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:14:33,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:14:33,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172447338] [2024-06-20 19:14:33,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:14:33,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:14:33,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:14:33,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:14:33,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:14:33,390 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:14:33,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 155 transitions, 1604 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:14:33,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:14:33,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:14:33,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:14:34,952 INFO L124 PetriNetUnfolderBase]: 2664/4080 cut-off events. [2024-06-20 19:14:34,952 INFO L125 PetriNetUnfolderBase]: For 155728/155730 co-relation queries the response was YES. [2024-06-20 19:14:34,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27194 conditions, 4080 events. 2664/4080 cut-off events. For 155728/155730 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 20633 event pairs, 804 based on Foata normal form. 4/4083 useless extension candidates. Maximal degree in co-relation 27129. Up to 3814 conditions per place. [2024-06-20 19:14:34,982 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 134 selfloop transitions, 42 changer transitions 0/181 dead transitions. [2024-06-20 19:14:34,982 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 181 transitions, 2222 flow [2024-06-20 19:14:34,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:14:34,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:14:34,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 130 transitions. [2024-06-20 19:14:34,983 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4421768707482993 [2024-06-20 19:14:34,984 INFO L175 Difference]: Start difference. First operand has 140 places, 155 transitions, 1604 flow. Second operand 7 states and 130 transitions. [2024-06-20 19:14:34,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 181 transitions, 2222 flow [2024-06-20 19:14:35,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 181 transitions, 2096 flow, removed 20 selfloop flow, removed 6 redundant places. [2024-06-20 19:14:35,090 INFO L231 Difference]: Finished difference. Result has 142 places, 163 transitions, 1682 flow [2024-06-20 19:14:35,090 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1478, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1682, PETRI_PLACES=142, PETRI_TRANSITIONS=163} [2024-06-20 19:14:35,091 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 99 predicate places. [2024-06-20 19:14:35,091 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 163 transitions, 1682 flow [2024-06-20 19:14:35,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:14:35,091 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:14:35,091 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:14:35,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-06-20 19:14:35,092 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:14:35,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:14:35,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1859541821, now seen corresponding path program 1 times [2024-06-20 19:14:35,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:14:35,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850937546] [2024-06-20 19:14:35,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:14:35,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:14:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:14:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:14:48,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:14:48,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850937546] [2024-06-20 19:14:48,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850937546] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:14:48,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:14:48,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:14:48,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062248958] [2024-06-20 19:14:48,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:14:48,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:14:48,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:14:48,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:14:48,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:14:49,131 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:14:49,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 163 transitions, 1682 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:14:49,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:14:49,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:14:49,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:14:50,790 INFO L124 PetriNetUnfolderBase]: 2801/4218 cut-off events. [2024-06-20 19:14:50,790 INFO L125 PetriNetUnfolderBase]: For 162824/162824 co-relation queries the response was YES. [2024-06-20 19:14:50,804 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28040 conditions, 4218 events. 2801/4218 cut-off events. For 162824/162824 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 20831 event pairs, 844 based on Foata normal form. 1/4218 useless extension candidates. Maximal degree in co-relation 27973. Up to 4170 conditions per place. [2024-06-20 19:14:50,819 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 160 selfloop transitions, 23 changer transitions 0/186 dead transitions. [2024-06-20 19:14:50,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 186 transitions, 2244 flow [2024-06-20 19:14:50,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:14:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:14:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2024-06-20 19:14:50,820 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40476190476190477 [2024-06-20 19:14:50,820 INFO L175 Difference]: Start difference. First operand has 142 places, 163 transitions, 1682 flow. Second operand 7 states and 119 transitions. [2024-06-20 19:14:50,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 186 transitions, 2244 flow [2024-06-20 19:14:50,932 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 186 transitions, 2167 flow, removed 17 selfloop flow, removed 3 redundant places. [2024-06-20 19:14:50,934 INFO L231 Difference]: Finished difference. Result has 146 places, 169 transitions, 1751 flow [2024-06-20 19:14:50,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1605, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1751, PETRI_PLACES=146, PETRI_TRANSITIONS=169} [2024-06-20 19:14:50,934 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 103 predicate places. [2024-06-20 19:14:50,935 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 169 transitions, 1751 flow [2024-06-20 19:14:50,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:14:50,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:14:50,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:14:50,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-06-20 19:14:50,935 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:14:50,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:14:50,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1107265261, now seen corresponding path program 4 times [2024-06-20 19:14:50,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:14:50,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185423886] [2024-06-20 19:14:50,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:14:50,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:14:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:15:02,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:15:02,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:15:02,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185423886] [2024-06-20 19:15:02,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185423886] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:15:02,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:15:02,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:15:02,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037706820] [2024-06-20 19:15:02,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:15:02,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:15:02,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:15:02,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:15:02,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:15:02,290 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:15:02,291 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 169 transitions, 1751 flow. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:02,291 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:15:02,291 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:15:02,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:15:04,040 INFO L124 PetriNetUnfolderBase]: 2698/4126 cut-off events. [2024-06-20 19:15:04,040 INFO L125 PetriNetUnfolderBase]: For 175582/175584 co-relation queries the response was YES. [2024-06-20 19:15:04,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28129 conditions, 4126 events. 2698/4126 cut-off events. For 175582/175584 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 20884 event pairs, 752 based on Foata normal form. 4/4129 useless extension candidates. Maximal degree in co-relation 28061. Up to 3683 conditions per place. [2024-06-20 19:15:04,069 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 140 selfloop transitions, 52 changer transitions 0/199 dead transitions. [2024-06-20 19:15:04,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 199 transitions, 2257 flow [2024-06-20 19:15:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:15:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:15:04,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 140 transitions. [2024-06-20 19:15:04,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-20 19:15:04,072 INFO L175 Difference]: Start difference. First operand has 146 places, 169 transitions, 1751 flow. Second operand 7 states and 140 transitions. [2024-06-20 19:15:04,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 199 transitions, 2257 flow [2024-06-20 19:15:04,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 199 transitions, 2205 flow, removed 19 selfloop flow, removed 3 redundant places. [2024-06-20 19:15:04,191 INFO L231 Difference]: Finished difference. Result has 150 places, 171 transitions, 1869 flow [2024-06-20 19:15:04,192 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1699, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1869, PETRI_PLACES=150, PETRI_TRANSITIONS=171} [2024-06-20 19:15:04,192 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 107 predicate places. [2024-06-20 19:15:04,192 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 171 transitions, 1869 flow [2024-06-20 19:15:04,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:04,192 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:15:04,192 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:15:04,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-06-20 19:15:04,193 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:15:04,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:15:04,193 INFO L85 PathProgramCache]: Analyzing trace with hash 543644123, now seen corresponding path program 5 times [2024-06-20 19:15:04,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:15:04,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297172194] [2024-06-20 19:15:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:15:04,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:15:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:15:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:15:16,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:15:16,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297172194] [2024-06-20 19:15:16,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297172194] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:15:16,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:15:16,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:15:16,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805077046] [2024-06-20 19:15:16,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:15:16,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:15:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:15:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:15:16,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:15:16,601 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:15:16,602 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 171 transitions, 1869 flow. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:16,602 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:15:16,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:15:16,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:15:18,544 INFO L124 PetriNetUnfolderBase]: 2715/4153 cut-off events. [2024-06-20 19:15:18,545 INFO L125 PetriNetUnfolderBase]: For 187122/187124 co-relation queries the response was YES. [2024-06-20 19:15:18,559 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29033 conditions, 4153 events. 2715/4153 cut-off events. For 187122/187124 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 21044 event pairs, 748 based on Foata normal form. 4/4156 useless extension candidates. Maximal degree in co-relation 28963. Up to 3554 conditions per place. [2024-06-20 19:15:18,571 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 134 selfloop transitions, 57 changer transitions 0/198 dead transitions. [2024-06-20 19:15:18,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 198 transitions, 2367 flow [2024-06-20 19:15:18,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:15:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:15:18,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 135 transitions. [2024-06-20 19:15:18,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45918367346938777 [2024-06-20 19:15:18,574 INFO L175 Difference]: Start difference. First operand has 150 places, 171 transitions, 1869 flow. Second operand 7 states and 135 transitions. [2024-06-20 19:15:18,574 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 198 transitions, 2367 flow [2024-06-20 19:15:18,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 198 transitions, 2213 flow, removed 30 selfloop flow, removed 5 redundant places. [2024-06-20 19:15:18,707 INFO L231 Difference]: Finished difference. Result has 152 places, 173 transitions, 1897 flow [2024-06-20 19:15:18,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1723, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1897, PETRI_PLACES=152, PETRI_TRANSITIONS=173} [2024-06-20 19:15:18,708 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 109 predicate places. [2024-06-20 19:15:18,708 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 173 transitions, 1897 flow [2024-06-20 19:15:18,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:18,708 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:15:18,708 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:15:18,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-06-20 19:15:18,709 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:15:18,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:15:18,709 INFO L85 PathProgramCache]: Analyzing trace with hash 552840893, now seen corresponding path program 6 times [2024-06-20 19:15:18,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:15:18,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253141379] [2024-06-20 19:15:18,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:15:18,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:15:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:15:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:15:29,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:15:29,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253141379] [2024-06-20 19:15:29,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253141379] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:15:29,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:15:29,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-20 19:15:29,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411388314] [2024-06-20 19:15:29,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:15:29,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-20 19:15:29,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:15:29,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-20 19:15:29,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-20 19:15:29,991 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:15:29,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 173 transitions, 1897 flow. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:29,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:15:29,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:15:29,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:15:31,676 INFO L124 PetriNetUnfolderBase]: 2707/4141 cut-off events. [2024-06-20 19:15:31,676 INFO L125 PetriNetUnfolderBase]: For 174572/174574 co-relation queries the response was YES. [2024-06-20 19:15:31,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28384 conditions, 4141 events. 2707/4141 cut-off events. For 174572/174574 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 20975 event pairs, 789 based on Foata normal form. 4/4144 useless extension candidates. Maximal degree in co-relation 28313. Up to 3928 conditions per place. [2024-06-20 19:15:31,703 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 173 selfloop transitions, 17 changer transitions 0/197 dead transitions. [2024-06-20 19:15:31,703 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 197 transitions, 2379 flow [2024-06-20 19:15:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:15:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:15:31,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 127 transitions. [2024-06-20 19:15:31,706 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43197278911564624 [2024-06-20 19:15:31,706 INFO L175 Difference]: Start difference. First operand has 152 places, 173 transitions, 1897 flow. Second operand 7 states and 127 transitions. [2024-06-20 19:15:31,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 197 transitions, 2379 flow [2024-06-20 19:15:31,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 197 transitions, 2225 flow, removed 24 selfloop flow, removed 5 redundant places. [2024-06-20 19:15:31,827 INFO L231 Difference]: Finished difference. Result has 154 places, 175 transitions, 1836 flow [2024-06-20 19:15:31,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1747, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1836, PETRI_PLACES=154, PETRI_TRANSITIONS=175} [2024-06-20 19:15:31,828 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 111 predicate places. [2024-06-20 19:15:31,828 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 175 transitions, 1836 flow [2024-06-20 19:15:31,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 10 states have internal predecessors, (104), 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) [2024-06-20 19:15:31,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:15:31,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:15:31,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-06-20 19:15:31,829 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:15:31,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:15:31,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1504863071, now seen corresponding path program 2 times [2024-06-20 19:15:31,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:15:31,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806913077] [2024-06-20 19:15:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:15:31,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:15:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:15:45,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:15:45,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:15:45,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806913077] [2024-06-20 19:15:45,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806913077] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:15:45,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:15:45,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:15:45,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303859625] [2024-06-20 19:15:45,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:15:45,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:15:45,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:15:45,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:15:45,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:15:45,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:15:45,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 175 transitions, 1836 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:15:45,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:15:45,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:15:45,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:15:47,124 INFO L124 PetriNetUnfolderBase]: 2832/4267 cut-off events. [2024-06-20 19:15:47,124 INFO L125 PetriNetUnfolderBase]: For 171464/171464 co-relation queries the response was YES. [2024-06-20 19:15:47,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28695 conditions, 4267 events. 2832/4267 cut-off events. For 171464/171464 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 21139 event pairs, 850 based on Foata normal form. 1/4267 useless extension candidates. Maximal degree in co-relation 28623. Up to 4246 conditions per place. [2024-06-20 19:15:47,153 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 171 selfloop transitions, 14 changer transitions 0/188 dead transitions. [2024-06-20 19:15:47,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 188 transitions, 2280 flow [2024-06-20 19:15:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:15:47,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:15:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 108 transitions. [2024-06-20 19:15:47,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3673469387755102 [2024-06-20 19:15:47,155 INFO L175 Difference]: Start difference. First operand has 154 places, 175 transitions, 1836 flow. Second operand 7 states and 108 transitions. [2024-06-20 19:15:47,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 188 transitions, 2280 flow [2024-06-20 19:15:47,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 188 transitions, 2209 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-06-20 19:15:47,269 INFO L231 Difference]: Finished difference. Result has 156 places, 178 transitions, 1855 flow [2024-06-20 19:15:47,270 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1765, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1855, PETRI_PLACES=156, PETRI_TRANSITIONS=178} [2024-06-20 19:15:47,270 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 113 predicate places. [2024-06-20 19:15:47,270 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 178 transitions, 1855 flow [2024-06-20 19:15:47,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:15:47,270 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:15:47,271 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:15:47,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-06-20 19:15:47,271 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:15:47,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:15:47,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1778739859, now seen corresponding path program 3 times [2024-06-20 19:15:47,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:15:47,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819187275] [2024-06-20 19:15:47,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:15:47,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:15:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:16:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:16:01,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:16:01,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819187275] [2024-06-20 19:16:01,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819187275] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:16:01,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:16:01,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:16:01,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084678278] [2024-06-20 19:16:01,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:16:01,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:16:01,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:16:01,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:16:01,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:16:01,127 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:16:01,127 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 178 transitions, 1855 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:16:01,127 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:16:01,127 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:16:01,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:16:02,861 INFO L124 PetriNetUnfolderBase]: 2708/4143 cut-off events. [2024-06-20 19:16:02,861 INFO L125 PetriNetUnfolderBase]: For 179922/179924 co-relation queries the response was YES. [2024-06-20 19:16:02,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28149 conditions, 4143 events. 2708/4143 cut-off events. For 179922/179924 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 20993 event pairs, 808 based on Foata normal form. 4/4146 useless extension candidates. Maximal degree in co-relation 28076. Up to 3979 conditions per place. [2024-06-20 19:16:02,890 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 156 selfloop transitions, 25 changer transitions 0/189 dead transitions. [2024-06-20 19:16:02,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 189 transitions, 2313 flow [2024-06-20 19:16:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:16:02,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:16:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 120 transitions. [2024-06-20 19:16:02,891 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40816326530612246 [2024-06-20 19:16:02,891 INFO L175 Difference]: Start difference. First operand has 156 places, 178 transitions, 1855 flow. Second operand 7 states and 120 transitions. [2024-06-20 19:16:02,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 189 transitions, 2313 flow [2024-06-20 19:16:03,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 189 transitions, 2233 flow, removed 28 selfloop flow, removed 5 redundant places. [2024-06-20 19:16:03,045 INFO L231 Difference]: Finished difference. Result has 158 places, 178 transitions, 1833 flow [2024-06-20 19:16:03,045 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1775, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1833, PETRI_PLACES=158, PETRI_TRANSITIONS=178} [2024-06-20 19:16:03,046 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 115 predicate places. [2024-06-20 19:16:03,046 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 178 transitions, 1833 flow [2024-06-20 19:16:03,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:16:03,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:16:03,046 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:16:03,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-06-20 19:16:03,046 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:16:03,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:16:03,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1069560871, now seen corresponding path program 3 times [2024-06-20 19:16:03,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:16:03,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557955942] [2024-06-20 19:16:03,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:16:03,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:16:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:16:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:16:16,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:16:16,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557955942] [2024-06-20 19:16:16,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557955942] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:16:16,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:16:16,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:16:16,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754002489] [2024-06-20 19:16:16,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:16:16,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:16:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:16:16,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:16:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:16:17,106 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:16:17,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 178 transitions, 1833 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:16:17,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:16:17,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:16:17,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:16:18,702 INFO L124 PetriNetUnfolderBase]: 2825/4258 cut-off events. [2024-06-20 19:16:18,702 INFO L125 PetriNetUnfolderBase]: For 186822/186822 co-relation queries the response was YES. [2024-06-20 19:16:18,718 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28896 conditions, 4258 events. 2825/4258 cut-off events. For 186822/186822 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 21096 event pairs, 848 based on Foata normal form. 1/4258 useless extension candidates. Maximal degree in co-relation 28822. Up to 4231 conditions per place. [2024-06-20 19:16:18,732 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 166 selfloop transitions, 19 changer transitions 0/188 dead transitions. [2024-06-20 19:16:18,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 188 transitions, 2227 flow [2024-06-20 19:16:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:16:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:16:18,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2024-06-20 19:16:18,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3741496598639456 [2024-06-20 19:16:18,734 INFO L175 Difference]: Start difference. First operand has 158 places, 178 transitions, 1833 flow. Second operand 7 states and 110 transitions. [2024-06-20 19:16:18,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 188 transitions, 2227 flow [2024-06-20 19:16:18,890 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 188 transitions, 2113 flow, removed 22 selfloop flow, removed 7 redundant places. [2024-06-20 19:16:18,892 INFO L231 Difference]: Finished difference. Result has 158 places, 178 transitions, 1763 flow [2024-06-20 19:16:18,892 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1719, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1763, PETRI_PLACES=158, PETRI_TRANSITIONS=178} [2024-06-20 19:16:18,893 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 115 predicate places. [2024-06-20 19:16:18,893 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 178 transitions, 1763 flow [2024-06-20 19:16:18,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:16:18,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:16:18,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:16:18,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-06-20 19:16:18,894 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:16:18,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:16:18,894 INFO L85 PathProgramCache]: Analyzing trace with hash -744355843, now seen corresponding path program 1 times [2024-06-20 19:16:18,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:16:18,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660853904] [2024-06-20 19:16:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:16:18,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:16:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:16:37,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:16:37,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:16:37,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660853904] [2024-06-20 19:16:37,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660853904] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:16:37,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:16:37,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:16:37,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036353899] [2024-06-20 19:16:37,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:16:37,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:16:37,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:16:37,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:16:37,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:16:37,745 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:16:37,746 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 178 transitions, 1763 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:16:37,746 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:16:37,746 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:16:37,746 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:16:39,647 INFO L124 PetriNetUnfolderBase]: 2715/4152 cut-off events. [2024-06-20 19:16:39,647 INFO L125 PetriNetUnfolderBase]: For 197320/197320 co-relation queries the response was YES. [2024-06-20 19:16:39,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28469 conditions, 4152 events. 2715/4152 cut-off events. For 197320/197320 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 21018 event pairs, 803 based on Foata normal form. 2/4153 useless extension candidates. Maximal degree in co-relation 28397. Up to 3995 conditions per place. [2024-06-20 19:16:39,678 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 174 selfloop transitions, 16 changer transitions 0/198 dead transitions. [2024-06-20 19:16:39,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 198 transitions, 2225 flow [2024-06-20 19:16:39,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:16:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:16:39,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 122 transitions. [2024-06-20 19:16:39,679 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41496598639455784 [2024-06-20 19:16:39,679 INFO L175 Difference]: Start difference. First operand has 158 places, 178 transitions, 1763 flow. Second operand 7 states and 122 transitions. [2024-06-20 19:16:39,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 198 transitions, 2225 flow [2024-06-20 19:16:39,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 198 transitions, 2157 flow, removed 10 selfloop flow, removed 6 redundant places. [2024-06-20 19:16:39,827 INFO L231 Difference]: Finished difference. Result has 159 places, 181 transitions, 1778 flow [2024-06-20 19:16:39,827 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1695, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1778, PETRI_PLACES=159, PETRI_TRANSITIONS=181} [2024-06-20 19:16:39,828 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 116 predicate places. [2024-06-20 19:16:39,828 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 181 transitions, 1778 flow [2024-06-20 19:16:39,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:16:39,828 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:16:39,828 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:16:39,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-06-20 19:16:39,828 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:16:39,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:16:39,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1682225789, now seen corresponding path program 1 times [2024-06-20 19:16:39,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:16:39,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24822740] [2024-06-20 19:16:39,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:16:39,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:16:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:16:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:16:58,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:16:58,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24822740] [2024-06-20 19:16:58,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24822740] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:16:58,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:16:58,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:16:58,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601328075] [2024-06-20 19:16:58,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:16:58,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:16:58,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:16:58,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:16:58,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:16:58,659 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:16:58,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 181 transitions, 1778 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:16:58,659 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:16:58,659 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:16:58,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:17:00,449 INFO L124 PetriNetUnfolderBase]: 2840/4279 cut-off events. [2024-06-20 19:17:00,450 INFO L125 PetriNetUnfolderBase]: For 205458/205458 co-relation queries the response was YES. [2024-06-20 19:17:00,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29676 conditions, 4279 events. 2840/4279 cut-off events. For 205458/205458 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 21188 event pairs, 848 based on Foata normal form. 1/4279 useless extension candidates. Maximal degree in co-relation 29603. Up to 4237 conditions per place. [2024-06-20 19:17:00,481 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 175 selfloop transitions, 23 changer transitions 0/201 dead transitions. [2024-06-20 19:17:00,482 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 201 transitions, 2352 flow [2024-06-20 19:17:00,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:17:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:17:00,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 116 transitions. [2024-06-20 19:17:00,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3945578231292517 [2024-06-20 19:17:00,483 INFO L175 Difference]: Start difference. First operand has 159 places, 181 transitions, 1778 flow. Second operand 7 states and 116 transitions. [2024-06-20 19:17:00,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 201 transitions, 2352 flow [2024-06-20 19:17:00,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 201 transitions, 2295 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-06-20 19:17:00,647 INFO L231 Difference]: Finished difference. Result has 161 places, 187 transitions, 1847 flow [2024-06-20 19:17:00,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1721, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1847, PETRI_PLACES=161, PETRI_TRANSITIONS=187} [2024-06-20 19:17:00,647 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 118 predicate places. [2024-06-20 19:17:00,648 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 187 transitions, 1847 flow [2024-06-20 19:17:00,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:17:00,648 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:17:00,648 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:17:00,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-06-20 19:17:00,648 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:17:00,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:17:00,649 INFO L85 PathProgramCache]: Analyzing trace with hash -744235873, now seen corresponding path program 2 times [2024-06-20 19:17:00,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:17:00,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484118926] [2024-06-20 19:17:00,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:17:00,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:17:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:17:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:17:19,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:17:19,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484118926] [2024-06-20 19:17:19,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484118926] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:17:19,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:17:19,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:17:19,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462322914] [2024-06-20 19:17:19,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:17:19,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:17:19,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:17:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:17:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:17:19,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:17:19,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 187 transitions, 1847 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:17:19,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:17:19,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:17:19,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:17:21,057 INFO L124 PetriNetUnfolderBase]: 2742/4185 cut-off events. [2024-06-20 19:17:21,057 INFO L125 PetriNetUnfolderBase]: For 218709/218709 co-relation queries the response was YES. [2024-06-20 19:17:21,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29843 conditions, 4185 events. 2742/4185 cut-off events. For 218709/218709 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 21188 event pairs, 809 based on Foata normal form. 2/4186 useless extension candidates. Maximal degree in co-relation 29769. Up to 4002 conditions per place. [2024-06-20 19:17:21,091 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 172 selfloop transitions, 28 changer transitions 0/210 dead transitions. [2024-06-20 19:17:21,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 210 transitions, 2463 flow [2024-06-20 19:17:21,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:17:21,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:17:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 125 transitions. [2024-06-20 19:17:21,093 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42517006802721086 [2024-06-20 19:17:21,093 INFO L175 Difference]: Start difference. First operand has 161 places, 187 transitions, 1847 flow. Second operand 7 states and 125 transitions. [2024-06-20 19:17:21,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 210 transitions, 2463 flow [2024-06-20 19:17:21,276 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 210 transitions, 2417 flow, removed 16 selfloop flow, removed 3 redundant places. [2024-06-20 19:17:21,278 INFO L231 Difference]: Finished difference. Result has 165 places, 193 transitions, 1961 flow [2024-06-20 19:17:21,278 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1801, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1961, PETRI_PLACES=165, PETRI_TRANSITIONS=193} [2024-06-20 19:17:21,279 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 122 predicate places. [2024-06-20 19:17:21,279 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 193 transitions, 1961 flow [2024-06-20 19:17:21,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:17:21,280 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:17:21,280 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:17:21,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-06-20 19:17:21,280 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:17:21,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:17:21,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1606876927, now seen corresponding path program 3 times [2024-06-20 19:17:21,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:17:21,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172110509] [2024-06-20 19:17:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:17:21,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:17:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:17:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:17:39,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:17:39,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172110509] [2024-06-20 19:17:39,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172110509] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:17:39,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:17:39,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:17:39,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542230373] [2024-06-20 19:17:39,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:17:39,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:17:39,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:17:39,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:17:39,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:17:39,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:17:39,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 193 transitions, 1961 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:17:39,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:17:39,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:17:39,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:17:41,768 INFO L124 PetriNetUnfolderBase]: 2736/4178 cut-off events. [2024-06-20 19:17:41,768 INFO L125 PetriNetUnfolderBase]: For 229194/229196 co-relation queries the response was YES. [2024-06-20 19:17:41,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30348 conditions, 4178 events. 2736/4178 cut-off events. For 229194/229196 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 21135 event pairs, 819 based on Foata normal form. 2/4179 useless extension candidates. Maximal degree in co-relation 30272. Up to 3997 conditions per place. [2024-06-20 19:17:41,798 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 167 selfloop transitions, 28 changer transitions 0/205 dead transitions. [2024-06-20 19:17:41,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 205 transitions, 2383 flow [2024-06-20 19:17:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:17:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:17:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 121 transitions. [2024-06-20 19:17:41,800 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41156462585034015 [2024-06-20 19:17:41,800 INFO L175 Difference]: Start difference. First operand has 165 places, 193 transitions, 1961 flow. Second operand 7 states and 121 transitions. [2024-06-20 19:17:41,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 205 transitions, 2383 flow [2024-06-20 19:17:41,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 205 transitions, 2306 flow, removed 30 selfloop flow, removed 3 redundant places. [2024-06-20 19:17:41,971 INFO L231 Difference]: Finished difference. Result has 169 places, 193 transitions, 1946 flow [2024-06-20 19:17:41,971 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1884, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1946, PETRI_PLACES=169, PETRI_TRANSITIONS=193} [2024-06-20 19:17:41,971 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 126 predicate places. [2024-06-20 19:17:41,971 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 193 transitions, 1946 flow [2024-06-20 19:17:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:17:41,972 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:17:41,972 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:17:41,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-06-20 19:17:41,972 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:17:41,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:17:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1504857119, now seen corresponding path program 2 times [2024-06-20 19:17:41,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:17:41,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479450068] [2024-06-20 19:17:41,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:17:41,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:17:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:18:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:18:00,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:18:00,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479450068] [2024-06-20 19:18:00,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479450068] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:18:00,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:18:00,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:18:00,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054069834] [2024-06-20 19:18:00,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:18:00,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:18:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:18:00,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:18:00,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:18:00,586 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:18:00,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 193 transitions, 1946 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:18:00,587 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:18:00,587 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:18:00,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:18:02,335 INFO L124 PetriNetUnfolderBase]: 2849/4293 cut-off events. [2024-06-20 19:18:02,335 INFO L125 PetriNetUnfolderBase]: For 237086/237088 co-relation queries the response was YES. [2024-06-20 19:18:02,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31155 conditions, 4293 events. 2849/4293 cut-off events. For 237086/237088 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 21250 event pairs, 849 based on Foata normal form. 3/4295 useless extension candidates. Maximal degree in co-relation 31077. Up to 4249 conditions per place. [2024-06-20 19:18:02,366 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 177 selfloop transitions, 27 changer transitions 0/207 dead transitions. [2024-06-20 19:18:02,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 207 transitions, 2498 flow [2024-06-20 19:18:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:18:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:18:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2024-06-20 19:18:02,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-06-20 19:18:02,368 INFO L175 Difference]: Start difference. First operand has 169 places, 193 transitions, 1946 flow. Second operand 7 states and 112 transitions. [2024-06-20 19:18:02,368 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 207 transitions, 2498 flow [2024-06-20 19:18:02,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 207 transitions, 2416 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-06-20 19:18:02,568 INFO L231 Difference]: Finished difference. Result has 170 places, 196 transitions, 1960 flow [2024-06-20 19:18:02,568 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1864, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1960, PETRI_PLACES=170, PETRI_TRANSITIONS=196} [2024-06-20 19:18:02,569 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 127 predicate places. [2024-06-20 19:18:02,569 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 196 transitions, 1960 flow [2024-06-20 19:18:02,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:18:02,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:18:02,569 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:18:02,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-06-20 19:18:02,569 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:18:02,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:18:02,570 INFO L85 PathProgramCache]: Analyzing trace with hash -739594057, now seen corresponding path program 3 times [2024-06-20 19:18:02,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:18:02,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96816761] [2024-06-20 19:18:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:18:02,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:18:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:18:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:18:20,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:18:20,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96816761] [2024-06-20 19:18:20,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96816761] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:18:20,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:18:20,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:18:20,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980165696] [2024-06-20 19:18:20,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:18:20,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:18:20,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:18:20,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:18:20,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:18:20,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:18:20,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 196 transitions, 1960 flow. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:18:20,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:18:20,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:18:20,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:18:22,481 INFO L124 PetriNetUnfolderBase]: 2846/4289 cut-off events. [2024-06-20 19:18:22,481 INFO L125 PetriNetUnfolderBase]: For 246240/246242 co-relation queries the response was YES. [2024-06-20 19:18:22,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31295 conditions, 4289 events. 2846/4289 cut-off events. For 246240/246242 co-relation queries the response was YES. Maximal size of possible extension queue 170. Compared 21250 event pairs, 849 based on Foata normal form. 3/4291 useless extension candidates. Maximal degree in co-relation 31216. Up to 4246 conditions per place. [2024-06-20 19:18:22,517 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 177 selfloop transitions, 26 changer transitions 0/206 dead transitions. [2024-06-20 19:18:22,517 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 206 transitions, 2390 flow [2024-06-20 19:18:22,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:18:22,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:18:22,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2024-06-20 19:18:22,518 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38095238095238093 [2024-06-20 19:18:22,519 INFO L175 Difference]: Start difference. First operand has 170 places, 196 transitions, 1960 flow. Second operand 7 states and 112 transitions. [2024-06-20 19:18:22,519 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 206 transitions, 2390 flow [2024-06-20 19:18:22,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 206 transitions, 2304 flow, removed 24 selfloop flow, removed 4 redundant places. [2024-06-20 19:18:22,682 INFO L231 Difference]: Finished difference. Result has 173 places, 196 transitions, 1932 flow [2024-06-20 19:18:22,682 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1874, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1932, PETRI_PLACES=173, PETRI_TRANSITIONS=196} [2024-06-20 19:18:22,682 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 130 predicate places. [2024-06-20 19:18:22,683 INFO L495 AbstractCegarLoop]: Abstraction has has 173 places, 196 transitions, 1932 flow [2024-06-20 19:18:22,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 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) [2024-06-20 19:18:22,683 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:18:22,683 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:18:22,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-06-20 19:18:22,683 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:18:22,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:18:22,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1820755602, now seen corresponding path program 1 times [2024-06-20 19:18:22,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:18:22,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120485547] [2024-06-20 19:18:22,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:18:22,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:18:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:18:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:18:38,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:18:38,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120485547] [2024-06-20 19:18:38,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120485547] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:18:38,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:18:38,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:18:38,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742140521] [2024-06-20 19:18:38,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:18:38,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:18:38,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:18:38,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:18:38,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:18:38,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:18:38,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 196 transitions, 1932 flow. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 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) [2024-06-20 19:18:38,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:18:38,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:18:38,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:18:40,414 INFO L124 PetriNetUnfolderBase]: 2756/4206 cut-off events. [2024-06-20 19:18:40,415 INFO L125 PetriNetUnfolderBase]: For 259859/259861 co-relation queries the response was YES. [2024-06-20 19:18:40,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31173 conditions, 4206 events. 2756/4206 cut-off events. For 259859/259861 co-relation queries the response was YES. Maximal size of possible extension queue 172. Compared 21306 event pairs, 801 based on Foata normal form. 4/4209 useless extension candidates. Maximal degree in co-relation 31093. Up to 3889 conditions per place. [2024-06-20 19:18:40,444 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 169 selfloop transitions, 57 changer transitions 0/237 dead transitions. [2024-06-20 19:18:40,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 237 transitions, 2766 flow [2024-06-20 19:18:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:18:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:18:40,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2024-06-20 19:18:40,445 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46726190476190477 [2024-06-20 19:18:40,445 INFO L175 Difference]: Start difference. First operand has 173 places, 196 transitions, 1932 flow. Second operand 8 states and 157 transitions. [2024-06-20 19:18:40,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 237 transitions, 2766 flow [2024-06-20 19:18:40,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 237 transitions, 2680 flow, removed 1 selfloop flow, removed 8 redundant places. [2024-06-20 19:18:40,655 INFO L231 Difference]: Finished difference. Result has 174 places, 206 transitions, 2122 flow [2024-06-20 19:18:40,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1846, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2122, PETRI_PLACES=174, PETRI_TRANSITIONS=206} [2024-06-20 19:18:40,656 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 131 predicate places. [2024-06-20 19:18:40,656 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 206 transitions, 2122 flow [2024-06-20 19:18:40,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 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) [2024-06-20 19:18:40,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:18:40,656 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:18:40,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-06-20 19:18:40,657 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:18:40,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:18:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1536885904, now seen corresponding path program 1 times [2024-06-20 19:18:40,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:18:40,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796014388] [2024-06-20 19:18:40,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:18:40,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:18:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:18:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:18:53,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:18:53,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796014388] [2024-06-20 19:18:53,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796014388] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:18:53,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:18:53,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-20 19:18:53,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289207334] [2024-06-20 19:18:53,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:18:53,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-20 19:18:53,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:18:53,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-20 19:18:53,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-06-20 19:18:54,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:18:54,081 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 206 transitions, 2122 flow. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:18:54,081 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:18:54,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:18:54,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:18:56,042 INFO L124 PetriNetUnfolderBase]: 2797/4277 cut-off events. [2024-06-20 19:18:56,042 INFO L125 PetriNetUnfolderBase]: For 279562/279564 co-relation queries the response was YES. [2024-06-20 19:18:56,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32407 conditions, 4277 events. 2797/4277 cut-off events. For 279562/279564 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 21793 event pairs, 741 based on Foata normal form. 12/4288 useless extension candidates. Maximal degree in co-relation 32326. Up to 3784 conditions per place. [2024-06-20 19:18:56,075 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 185 selfloop transitions, 47 changer transitions 0/243 dead transitions. [2024-06-20 19:18:56,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 243 transitions, 2718 flow [2024-06-20 19:18:56,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-20 19:18:56,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-20 19:18:56,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 171 transitions. [2024-06-20 19:18:56,079 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-20 19:18:56,079 INFO L175 Difference]: Start difference. First operand has 174 places, 206 transitions, 2122 flow. Second operand 9 states and 171 transitions. [2024-06-20 19:18:56,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 243 transitions, 2718 flow [2024-06-20 19:18:56,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 243 transitions, 2585 flow, removed 35 selfloop flow, removed 4 redundant places. [2024-06-20 19:18:56,352 INFO L231 Difference]: Finished difference. Result has 179 places, 207 transitions, 2123 flow [2024-06-20 19:18:56,352 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1989, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2123, PETRI_PLACES=179, PETRI_TRANSITIONS=207} [2024-06-20 19:18:56,353 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 136 predicate places. [2024-06-20 19:18:56,353 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 207 transitions, 2123 flow [2024-06-20 19:18:56,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:18:56,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:18:56,353 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:18:56,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-06-20 19:18:56,353 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:18:56,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:18:56,354 INFO L85 PathProgramCache]: Analyzing trace with hash 701748379, now seen corresponding path program 1 times [2024-06-20 19:18:56,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:18:56,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947025147] [2024-06-20 19:18:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:18:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:18:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:19:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:19:10,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:19:10,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947025147] [2024-06-20 19:19:10,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947025147] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:19:10,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:19:10,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:19:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153729345] [2024-06-20 19:19:10,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:19:10,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:19:10,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:19:10,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:19:10,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:19:10,925 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 42 [2024-06-20 19:19:10,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 207 transitions, 2123 flow. Second operand has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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) [2024-06-20 19:19:10,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:19:10,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 42 [2024-06-20 19:19:10,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:19:12,703 INFO L124 PetriNetUnfolderBase]: 2923/4410 cut-off events. [2024-06-20 19:19:12,704 INFO L125 PetriNetUnfolderBase]: For 285871/285873 co-relation queries the response was YES. [2024-06-20 19:19:12,724 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33527 conditions, 4410 events. 2923/4410 cut-off events. For 285871/285873 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 22093 event pairs, 857 based on Foata normal form. 4/4413 useless extension candidates. Maximal degree in co-relation 33444. Up to 4171 conditions per place. [2024-06-20 19:19:12,740 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 174 selfloop transitions, 67 changer transitions 0/244 dead transitions. [2024-06-20 19:19:12,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 244 transitions, 3027 flow [2024-06-20 19:19:12,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:19:12,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:19:12,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 146 transitions. [2024-06-20 19:19:12,741 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43452380952380953 [2024-06-20 19:19:12,741 INFO L175 Difference]: Start difference. First operand has 179 places, 207 transitions, 2123 flow. Second operand 8 states and 146 transitions. [2024-06-20 19:19:12,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 244 transitions, 3027 flow [2024-06-20 19:19:13,075 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 244 transitions, 2909 flow, removed 13 selfloop flow, removed 7 redundant places. [2024-06-20 19:19:13,078 INFO L231 Difference]: Finished difference. Result has 181 places, 219 transitions, 2375 flow [2024-06-20 19:19:13,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2005, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=59, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2375, PETRI_PLACES=181, PETRI_TRANSITIONS=219} [2024-06-20 19:19:13,079 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 138 predicate places. [2024-06-20 19:19:13,079 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 219 transitions, 2375 flow [2024-06-20 19:19:13,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.666666666666666) internal successors, (87), 9 states have internal predecessors, (87), 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) [2024-06-20 19:19:13,079 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:19:13,079 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:19:13,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-06-20 19:19:13,080 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:19:13,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:19:13,080 INFO L85 PathProgramCache]: Analyzing trace with hash 701748038, now seen corresponding path program 2 times [2024-06-20 19:19:13,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:19:13,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658166113] [2024-06-20 19:19:13,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:19:13,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:19:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:19:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:19:29,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:19:29,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658166113] [2024-06-20 19:19:29,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658166113] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:19:29,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:19:29,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-20 19:19:29,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995867685] [2024-06-20 19:19:29,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:19:29,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-20 19:19:29,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:19:29,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-20 19:19:29,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-20 19:19:29,344 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:19:29,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 219 transitions, 2375 flow. Second operand has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 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) [2024-06-20 19:19:29,344 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:19:29,344 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:19:29,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:19:31,140 INFO L124 PetriNetUnfolderBase]: 2837/4328 cut-off events. [2024-06-20 19:19:31,140 INFO L125 PetriNetUnfolderBase]: For 301365/301367 co-relation queries the response was YES. [2024-06-20 19:19:31,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33929 conditions, 4328 events. 2837/4328 cut-off events. For 301365/301367 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 22091 event pairs, 805 based on Foata normal form. 4/4331 useless extension candidates. Maximal degree in co-relation 33844. Up to 4046 conditions per place. [2024-06-20 19:19:31,174 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 182 selfloop transitions, 51 changer transitions 0/247 dead transitions. [2024-06-20 19:19:31,175 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 247 transitions, 3039 flow [2024-06-20 19:19:31,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-20 19:19:31,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-20 19:19:31,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 149 transitions. [2024-06-20 19:19:31,176 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44345238095238093 [2024-06-20 19:19:31,176 INFO L175 Difference]: Start difference. First operand has 181 places, 219 transitions, 2375 flow. Second operand 8 states and 149 transitions. [2024-06-20 19:19:31,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 247 transitions, 3039 flow [2024-06-20 19:19:31,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 247 transitions, 2934 flow, removed 39 selfloop flow, removed 3 redundant places. [2024-06-20 19:19:31,521 INFO L231 Difference]: Finished difference. Result has 186 places, 223 transitions, 2433 flow [2024-06-20 19:19:31,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2270, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2433, PETRI_PLACES=186, PETRI_TRANSITIONS=223} [2024-06-20 19:19:31,522 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 143 predicate places. [2024-06-20 19:19:31,522 INFO L495 AbstractCegarLoop]: Abstraction has has 186 places, 223 transitions, 2433 flow [2024-06-20 19:19:31,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.666666666666666) internal successors, (96), 9 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) [2024-06-20 19:19:31,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:19:31,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:19:31,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-06-20 19:19:31,523 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:19:31,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:19:31,523 INFO L85 PathProgramCache]: Analyzing trace with hash 705292516, now seen corresponding path program 1 times [2024-06-20 19:19:31,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:19:31,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825137183] [2024-06-20 19:19:31,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:19:31,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:19:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:19:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:19:45,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:19:45,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825137183] [2024-06-20 19:19:45,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825137183] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:19:45,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:19:45,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:19:45,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285050311] [2024-06-20 19:19:45,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:19:45,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:19:45,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:19:45,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:19:45,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:19:45,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:19:45,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 223 transitions, 2433 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:19:45,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:19:45,980 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:19:45,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:19:47,740 INFO L124 PetriNetUnfolderBase]: 2863/4364 cut-off events. [2024-06-20 19:19:47,741 INFO L125 PetriNetUnfolderBase]: For 314479/314481 co-relation queries the response was YES. [2024-06-20 19:19:47,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34569 conditions, 4364 events. 2863/4364 cut-off events. For 314479/314481 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 22250 event pairs, 815 based on Foata normal form. 4/4367 useless extension candidates. Maximal degree in co-relation 34482. Up to 4074 conditions per place. [2024-06-20 19:19:47,776 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 186 selfloop transitions, 54 changer transitions 0/254 dead transitions. [2024-06-20 19:19:47,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 254 transitions, 3322 flow [2024-06-20 19:19:47,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:19:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:19:47,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 133 transitions. [2024-06-20 19:19:47,777 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-20 19:19:47,777 INFO L175 Difference]: Start difference. First operand has 186 places, 223 transitions, 2433 flow. Second operand 7 states and 133 transitions. [2024-06-20 19:19:47,777 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 254 transitions, 3322 flow [2024-06-20 19:19:48,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 254 transitions, 3179 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-06-20 19:19:48,081 INFO L231 Difference]: Finished difference. Result has 188 places, 233 transitions, 2597 flow [2024-06-20 19:19:48,081 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2310, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2597, PETRI_PLACES=188, PETRI_TRANSITIONS=233} [2024-06-20 19:19:48,082 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 145 predicate places. [2024-06-20 19:19:48,082 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 233 transitions, 2597 flow [2024-06-20 19:19:48,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:19:48,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:19:48,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:19:48,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-06-20 19:19:48,083 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:19:48,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:19:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1811228434, now seen corresponding path program 2 times [2024-06-20 19:19:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:19:48,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311672101] [2024-06-20 19:19:48,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:19:48,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:19:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:20:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:20:02,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:20:02,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311672101] [2024-06-20 19:20:02,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311672101] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:20:02,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:20:02,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-20 19:20:02,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977810887] [2024-06-20 19:20:02,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:20:02,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-20 19:20:02,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:20:02,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-20 19:20:02,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-20 19:20:02,764 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:20:02,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 233 transitions, 2597 flow. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:20:02,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:20:02,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:20:02,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:20:04,555 INFO L124 PetriNetUnfolderBase]: 2857/4356 cut-off events. [2024-06-20 19:20:04,556 INFO L125 PetriNetUnfolderBase]: For 324003/324005 co-relation queries the response was YES. [2024-06-20 19:20:04,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34682 conditions, 4356 events. 2857/4356 cut-off events. For 324003/324005 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 22213 event pairs, 815 based on Foata normal form. 4/4359 useless extension candidates. Maximal degree in co-relation 34593. Up to 4069 conditions per place. [2024-06-20 19:20:04,587 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 187 selfloop transitions, 50 changer transitions 0/251 dead transitions. [2024-06-20 19:20:04,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 251 transitions, 3307 flow [2024-06-20 19:20:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-20 19:20:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-20 19:20:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 130 transitions. [2024-06-20 19:20:04,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4421768707482993 [2024-06-20 19:20:04,589 INFO L175 Difference]: Start difference. First operand has 188 places, 233 transitions, 2597 flow. Second operand 7 states and 130 transitions. [2024-06-20 19:20:04,589 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 251 transitions, 3307 flow [2024-06-20 19:20:04,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 251 transitions, 3231 flow, removed 13 selfloop flow, removed 3 redundant places. [2024-06-20 19:20:04,853 INFO L231 Difference]: Finished difference. Result has 192 places, 233 transitions, 2630 flow [2024-06-20 19:20:04,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2521, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2630, PETRI_PLACES=192, PETRI_TRANSITIONS=233} [2024-06-20 19:20:04,853 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 149 predicate places. [2024-06-20 19:20:04,853 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 233 transitions, 2630 flow [2024-06-20 19:20:04,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 8 states have internal predecessors, (86), 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) [2024-06-20 19:20:04,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:20:04,854 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:20:04,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-06-20 19:20:04,854 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:20:04,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:20:04,854 INFO L85 PathProgramCache]: Analyzing trace with hash 430462772, now seen corresponding path program 2 times [2024-06-20 19:20:04,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:20:04,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438749376] [2024-06-20 19:20:04,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:20:04,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:20:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:20:18,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:20:18,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:20:18,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438749376] [2024-06-20 19:20:18,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438749376] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:20:18,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:20:18,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-20 19:20:18,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415258008] [2024-06-20 19:20:18,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:20:18,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-20 19:20:18,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:20:18,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-20 19:20:18,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-06-20 19:20:18,533 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:20:18,533 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 233 transitions, 2630 flow. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:18,533 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:20:18,533 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:20:18,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:20:20,664 INFO L124 PetriNetUnfolderBase]: 2898/4427 cut-off events. [2024-06-20 19:20:20,664 INFO L125 PetriNetUnfolderBase]: For 344519/344521 co-relation queries the response was YES. [2024-06-20 19:20:20,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35333 conditions, 4427 events. 2898/4427 cut-off events. For 344519/344521 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 22710 event pairs, 762 based on Foata normal form. 12/4438 useless extension candidates. Maximal degree in co-relation 35243. Up to 3945 conditions per place. [2024-06-20 19:20:20,700 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 211 selfloop transitions, 46 changer transitions 0/271 dead transitions. [2024-06-20 19:20:20,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 271 transitions, 3282 flow [2024-06-20 19:20:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-20 19:20:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-20 19:20:20,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-20 19:20:20,704 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-20 19:20:20,704 INFO L175 Difference]: Start difference. First operand has 192 places, 233 transitions, 2630 flow. Second operand 9 states and 170 transitions. [2024-06-20 19:20:20,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 271 transitions, 3282 flow [2024-06-20 19:20:21,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 271 transitions, 3195 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-06-20 19:20:21,045 INFO L231 Difference]: Finished difference. Result has 197 places, 234 transitions, 2677 flow [2024-06-20 19:20:21,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2543, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=45, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2677, PETRI_PLACES=197, PETRI_TRANSITIONS=234} [2024-06-20 19:20:21,046 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 154 predicate places. [2024-06-20 19:20:21,046 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 234 transitions, 2677 flow [2024-06-20 19:20:21,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:21,046 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:20:21,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:20:21,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-06-20 19:20:21,047 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:20:21,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:20:21,047 INFO L85 PathProgramCache]: Analyzing trace with hash 2056466596, now seen corresponding path program 3 times [2024-06-20 19:20:21,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:20:21,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486594377] [2024-06-20 19:20:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:20:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:20:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:20:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:20:33,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:20:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486594377] [2024-06-20 19:20:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486594377] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:20:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:20:33,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-20 19:20:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275592654] [2024-06-20 19:20:33,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:20:33,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-20 19:20:33,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:20:33,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-20 19:20:33,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-06-20 19:20:34,100 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:20:34,101 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 234 transitions, 2677 flow. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:34,101 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:20:34,101 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:20:34,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:20:36,128 INFO L124 PetriNetUnfolderBase]: 2939/4498 cut-off events. [2024-06-20 19:20:36,129 INFO L125 PetriNetUnfolderBase]: For 360243/360245 co-relation queries the response was YES. [2024-06-20 19:20:36,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36097 conditions, 4498 events. 2939/4498 cut-off events. For 360243/360245 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 23264 event pairs, 758 based on Foata normal form. 12/4509 useless extension candidates. Maximal degree in co-relation 36006. Up to 3911 conditions per place. [2024-06-20 19:20:36,169 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 205 selfloop transitions, 53 changer transitions 0/272 dead transitions. [2024-06-20 19:20:36,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 272 transitions, 3331 flow [2024-06-20 19:20:36,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-20 19:20:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-20 19:20:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-20 19:20:36,172 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-20 19:20:36,172 INFO L175 Difference]: Start difference. First operand has 197 places, 234 transitions, 2677 flow. Second operand 9 states and 170 transitions. [2024-06-20 19:20:36,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 272 transitions, 3331 flow [2024-06-20 19:20:36,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 272 transitions, 3236 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-06-20 19:20:36,655 INFO L231 Difference]: Finished difference. Result has 200 places, 235 transitions, 2732 flow [2024-06-20 19:20:36,655 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2582, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2732, PETRI_PLACES=200, PETRI_TRANSITIONS=235} [2024-06-20 19:20:36,656 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 157 predicate places. [2024-06-20 19:20:36,656 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 235 transitions, 2732 flow [2024-06-20 19:20:36,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:36,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:20:36,656 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:20:36,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-06-20 19:20:36,657 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:20:36,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:20:36,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1883746066, now seen corresponding path program 4 times [2024-06-20 19:20:36,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:20:36,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762644517] [2024-06-20 19:20:36,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:20:36,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:20:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-20 19:20:50,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-20 19:20:50,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-20 19:20:50,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762644517] [2024-06-20 19:20:50,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762644517] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-20 19:20:50,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-20 19:20:50,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-20 19:20:50,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099048522] [2024-06-20 19:20:50,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-20 19:20:50,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-20 19:20:50,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-20 19:20:50,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-20 19:20:50,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-06-20 19:20:50,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-20 19:20:50,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 235 transitions, 2732 flow. Second operand has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:50,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-20 19:20:50,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-20 19:20:50,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-20 19:20:52,778 INFO L124 PetriNetUnfolderBase]: 2980/4569 cut-off events. [2024-06-20 19:20:52,778 INFO L125 PetriNetUnfolderBase]: For 374040/374042 co-relation queries the response was YES. [2024-06-20 19:20:52,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36709 conditions, 4569 events. 2980/4569 cut-off events. For 374040/374042 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 23801 event pairs, 787 based on Foata normal form. 12/4580 useless extension candidates. Maximal degree in co-relation 36617. Up to 4087 conditions per place. [2024-06-20 19:20:52,813 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 212 selfloop transitions, 50 changer transitions 0/276 dead transitions. [2024-06-20 19:20:52,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 276 transitions, 3406 flow [2024-06-20 19:20:52,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-20 19:20:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-20 19:20:52,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 174 transitions. [2024-06-20 19:20:52,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2024-06-20 19:20:52,817 INFO L175 Difference]: Start difference. First operand has 200 places, 235 transitions, 2732 flow. Second operand 9 states and 174 transitions. [2024-06-20 19:20:52,817 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 276 transitions, 3406 flow [2024-06-20 19:20:53,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 276 transitions, 3272 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-06-20 19:20:53,212 INFO L231 Difference]: Finished difference. Result has 202 places, 236 transitions, 2744 flow [2024-06-20 19:20:53,213 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2598, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2744, PETRI_PLACES=202, PETRI_TRANSITIONS=236} [2024-06-20 19:20:53,213 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 159 predicate places. [2024-06-20 19:20:53,213 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 236 transitions, 2744 flow [2024-06-20 19:20:53,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.363636363636363) internal successors, (114), 11 states have internal predecessors, (114), 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) [2024-06-20 19:20:53,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-20 19:20:53,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-20 19:20:53,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-06-20 19:20:53,214 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-20 19:20:53,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-20 19:20:53,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1811232402, now seen corresponding path program 3 times [2024-06-20 19:20:53,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-20 19:20:53,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122958653] [2024-06-20 19:20:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-20 19:20:53,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-20 19:20:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15