./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.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/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version bcb38a6f 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/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-bcb38a6-m [2024-06-03 22:37:27,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 22:37:27,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 22:37:27,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 22:37:27,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 22:37:27,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 22:37:27,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 22:37:27,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 22:37:27,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 22:37:27,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 22:37:27,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 22:37:27,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 22:37:27,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 22:37:27,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 22:37:27,689 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 22:37:27,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 22:37:27,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 22:37:27,690 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 22:37:27,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 22:37:27,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 22:37:27,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 22:37:27,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 22:37:27,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 22:37:27,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 22:37:27,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 22:37:27,692 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 22:37:27,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 22:37:27,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 22:37:27,693 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 22:37:27,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 22:37:27,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 22:37:27,694 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 22:37:27,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:37:27,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 22:37:27,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 22:37:27,696 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 22:37:27,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 22:37:27,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 22:37:27,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 22:37:27,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 22:37:27,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 22:37:27,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 22:37:27,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 22:37:27,881 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 22:37:27,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-06-03 22:37:28,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 22:37:29,153 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 22:37:29,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-06-03 22:37:29,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bad268ba/6ccb2b1d121d4a3ea265742a599073c9/FLAG2f83214b5 [2024-06-03 22:37:29,177 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bad268ba/6ccb2b1d121d4a3ea265742a599073c9 [2024-06-03 22:37:29,179 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 22:37:29,180 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 22:37:29,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.yml/witness.yml [2024-06-03 22:37:29,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 22:37:29,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 22:37:29,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 22:37:29,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 22:37:29,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 22:37:29,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:37:29" (1/2) ... [2024-06-03 22:37:29,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8eb999 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:37:29, skipping insertion in model container [2024-06-03 22:37:29,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:37:29" (1/2) ... [2024-06-03 22:37:29,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@536d0244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:37:29, skipping insertion in model container [2024-06-03 22:37:29,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:37:29" (2/2) ... [2024-06-03 22:37:29,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e8eb999 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:29, skipping insertion in model container [2024-06-03 22:37:29,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:37:29" (2/2) ... [2024-06-03 22:37:29,388 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 22:37:29,468 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 22:37:29,470 INFO L97 edCorrectnessWitness]: Location invariant before [L836-L836] (((((((((((((((((((! multithreaded || x$r_buff0_thd0 == (_Bool)0) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p2_EBX) + (long long )z >= 0LL && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )y >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p0_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 )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff1 >= 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_p0_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff1 >= 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 )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff1 >= 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 )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )x$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff1 >= 0LL) && (long long )main$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 )x$flush_delayed >= 0LL) && (long long )x + (long long )x$mem_tmp >= 0LL) && (long long )x + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x + (long long )x$read_delayed >= 0LL) && (long long )x + (long long )x$w_buff0 >= 0LL) && (long long )x + (long long )x$w_buff1 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x$flush_delayed + (long long )x$mem_tmp >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$flush_delayed + (long long )y >= 0LL) && (long long )x$flush_delayed + (long long )z >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff0 >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff1 >= 0LL) && (long long )x$mem_tmp + (long long )y >= 0LL) && (long long )x$mem_tmp + (long long )z >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )y >= 0LL) && (long long )x$r_buff0_thd0 + (long long )z >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )y >= 0LL) && (long long )x$r_buff0_thd1 + (long long )z >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )y >= 0LL) && (long long )x$r_buff0_thd2 + (long long )z >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )y >= 0LL) && (long long )x$r_buff0_thd3 + (long long )z >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )y >= 0LL) && (long long )x$r_buff1_thd0 + (long long )z >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )y >= 0LL) && (long long )x$r_buff1_thd1 + (long long )z >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )y >= 0LL) && (long long )x$r_buff1_thd2 + (long long )z >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )y >= 0LL) && (long long )x$r_buff1_thd3 + (long long )z >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$read_delayed + (long long )y >= 0LL) && (long long )x$read_delayed + (long long )z >= 0LL) && (long long )x$w_buff0 + (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 + (long long )y >= 0LL) && (long long )x$w_buff0 + (long long )z >= 0LL) && (long long )x$w_buff1 + (long long )y >= 0LL) && (long long )x$w_buff1 + (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 )x$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff1 >= 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 )x$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff1 >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )z >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )x) - (long long )z >= 0LL) && (1LL + (long long )x$flush_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$mem_tmp) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff0) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff1) - (long long )z >= 0LL) && (1LL + (long long )y) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (2LL - (long long )weak$$choice0) - (long long )z >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$read_delayed >= 0LL) && (long long )x - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x - (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$read_delayed >= 0LL))) && (! multithreaded || ((0 <= x$mem_tmp && x$mem_tmp <= 1) && (x$mem_tmp == 0 || x$mem_tmp == 1)))) && (! multithreaded || ((0 <= x && x <= 1) && (x == 0 || x == 1)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p0_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= x) && 0 <= x$mem_tmp) && 0 <= x$w_buff0) && 0 <= x$w_buff1) && 0 <= y) && 0 <= z) && __unbuffered_p0_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && x <= 1) && x$mem_tmp <= 1) && x$w_buff0 <= 1) && x$w_buff1 <= 1) && y <= 1) && z <= 1) && x$flush_delayed == (_Bool)0) && x$r_buff0_thd0 == (_Bool)0) && x$r_buff0_thd1 == (_Bool)0) && x$r_buff0_thd3 == (_Bool)0) && x$r_buff1_thd0 == (_Bool)0) && x$r_buff1_thd1 == (_Bool)0) && x$r_buff1_thd3 == (_Bool)0) && x$read_delayed == (_Bool)0) && x$read_delayed_var == 0) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)))) && (! multithreaded || x$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || x$read_delayed_var == 0)) && (! multithreaded || x$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || x$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((0 <= x$w_buff0 && x$w_buff0 <= 1) && (x$w_buff0 == 0 || x$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || x$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || ((0 <= x$w_buff1 && x$w_buff1 <= 1) && (x$w_buff1 == 0 || x$w_buff1 == 1)))) && (! multithreaded || x$r_buff1_thd3 == (_Bool)0) [2024-06-03 22:37:29,470 INFO L97 edCorrectnessWitness]: Location invariant before [L839-L839] (((((((((((((((((((! multithreaded || x$r_buff0_thd0 == (_Bool)0) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p2_EBX) + (long long )z >= 0LL && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )y >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p0_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )x$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff1 >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )x$flush_delayed >= 0LL) && (long long )x + (long long )x$mem_tmp >= 0LL) && (long long )x + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x + (long long )x$read_delayed >= 0LL) && (long long )x + (long long )x$w_buff0 >= 0LL) && (long long )x + (long long )x$w_buff1 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x$flush_delayed + (long long )x$mem_tmp >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$flush_delayed + (long long )y >= 0LL) && (long long )x$flush_delayed + (long long )z >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff0 >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff1 >= 0LL) && (long long )x$mem_tmp + (long long )y >= 0LL) && (long long )x$mem_tmp + (long long )z >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )y >= 0LL) && (long long )x$r_buff0_thd0 + (long long )z >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )y >= 0LL) && (long long )x$r_buff0_thd1 + (long long )z >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )y >= 0LL) && (long long )x$r_buff0_thd2 + (long long )z >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )y >= 0LL) && (long long )x$r_buff0_thd3 + (long long )z >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )y >= 0LL) && (long long )x$r_buff1_thd0 + (long long )z >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )y >= 0LL) && (long long )x$r_buff1_thd1 + (long long )z >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )y >= 0LL) && (long long )x$r_buff1_thd2 + (long long )z >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )y >= 0LL) && (long long )x$r_buff1_thd3 + (long long )z >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$read_delayed + (long long )y >= 0LL) && (long long )x$read_delayed + (long long )z >= 0LL) && (long long )x$w_buff0 + (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 + (long long )y >= 0LL) && (long long )x$w_buff0 + (long long )z >= 0LL) && (long long )x$w_buff1 + (long long )y >= 0LL) && (long long )x$w_buff1 + (long long )z >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )x$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff1 >= 0LL) && (long long )weak$$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$$choice2 + (long long )x$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff1 >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )z >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )x) - (long long )z >= 0LL) && (1LL + (long long )x$flush_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$mem_tmp) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff0) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff1) - (long long )z >= 0LL) && (1LL + (long long )y) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (2LL - (long long )weak$$choice0) - (long long )z >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$read_delayed >= 0LL) && (long long )x - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x - (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$read_delayed >= 0LL))) && (! multithreaded || ((0 <= x$mem_tmp && x$mem_tmp <= 1) && (x$mem_tmp == 0 || x$mem_tmp == 1)))) && (! multithreaded || ((0 <= x && x <= 1) && (x == 0 || x == 1)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p0_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= x) && 0 <= x$mem_tmp) && 0 <= x$w_buff0) && 0 <= x$w_buff1) && 0 <= y) && 0 <= z) && __unbuffered_p0_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && x <= 1) && x$mem_tmp <= 1) && x$w_buff0 <= 1) && x$w_buff1 <= 1) && y <= 1) && z <= 1) && x$flush_delayed == (_Bool)0) && x$r_buff0_thd0 == (_Bool)0) && x$r_buff0_thd1 == (_Bool)0) && x$r_buff0_thd3 == (_Bool)0) && x$r_buff1_thd0 == (_Bool)0) && x$r_buff1_thd1 == (_Bool)0) && x$r_buff1_thd3 == (_Bool)0) && x$read_delayed == (_Bool)0) && x$read_delayed_var == 0) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)))) && (! multithreaded || x$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || x$read_delayed_var == 0)) && (! multithreaded || x$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || x$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((0 <= x$w_buff0 && x$w_buff0 <= 1) && (x$w_buff0 == 0 || x$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || x$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || ((0 <= x$w_buff1 && x$w_buff1 <= 1) && (x$w_buff1 == 0 || x$w_buff1 == 1)))) && (! multithreaded || x$r_buff1_thd3 == (_Bool)0) [2024-06-03 22:37:29,471 INFO L97 edCorrectnessWitness]: Location invariant before [L838-L838] (((((((((((((((((((! multithreaded || x$r_buff0_thd0 == (_Bool)0) && (! multithreaded || ((0 <= z && z <= 1) && (z == 0 || z == 1)))) && (! multithreaded || (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p2_EBX) + (long long )z >= 0LL && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff0_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd0) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd2 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )z >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )y >= 0LL) && (0LL - (long long )x$r_buff1_thd3) + (long long )z >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )x$w_buff1 >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )y >= 0LL) && (0LL - (long long )x$read_delayed) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff0 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )y >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p0_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 )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )x$w_buff1 >= 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_p0_EAX + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )x$w_buff1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )__unbuffered_p2_EBX >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x$w_buff1 >= 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 )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EBX + (long long )x$w_buff1 >= 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 )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )x$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )x$w_buff1 >= 0LL) && (long long )main$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 )x$flush_delayed >= 0LL) && (long long )x + (long long )x$mem_tmp >= 0LL) && (long long )x + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x + (long long )x$read_delayed >= 0LL) && (long long )x + (long long )x$w_buff0 >= 0LL) && (long long )x + (long long )x$w_buff1 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x$flush_delayed + (long long )x$mem_tmp >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$flush_delayed + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed + (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$flush_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$flush_delayed + (long long )y >= 0LL) && (long long )x$flush_delayed + (long long )z >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$mem_tmp + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp + (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff0 >= 0LL) && (long long )x$mem_tmp + (long long )x$w_buff1 >= 0LL) && (long long )x$mem_tmp + (long long )y >= 0LL) && (long long )x$mem_tmp + (long long )z >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd0 + (long long )y >= 0LL) && (long long )x$r_buff0_thd0 + (long long )z >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd1 + (long long )y >= 0LL) && (long long )x$r_buff0_thd1 + (long long )z >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd2 + (long long )y >= 0LL) && (long long )x$r_buff0_thd2 + (long long )z >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd3 + (long long )y >= 0LL) && (long long )x$r_buff0_thd3 + (long long )z >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd0 + (long long )y >= 0LL) && (long long )x$r_buff1_thd0 + (long long )z >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd1 + (long long )y >= 0LL) && (long long )x$r_buff1_thd1 + (long long )z >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd2 + (long long )y >= 0LL) && (long long )x$r_buff1_thd2 + (long long )z >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd3 + (long long )y >= 0LL) && (long long )x$r_buff1_thd3 + (long long )z >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff0 >= 0LL) && (long long )x$read_delayed + (long long )x$w_buff1 >= 0LL) && (long long )x$read_delayed + (long long )y >= 0LL) && (long long )x$read_delayed + (long long )z >= 0LL) && (long long )x$w_buff0 + (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 + (long long )y >= 0LL) && (long long )x$w_buff0 + (long long )z >= 0LL) && (long long )x$w_buff1 + (long long )y >= 0LL) && (long long )x$w_buff1 + (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 )x$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )x$w_buff1 >= 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 )x$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )x$w_buff1 >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )__unbuffered_p2_EBX >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EAX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (1LL + (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )z >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )weak$$choice0 >= 0LL) && (1LL + (long long )x) - (long long )z >= 0LL) && (1LL + (long long )x$flush_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$mem_tmp) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd2) - (long long )z >= 0LL) && (1LL + (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL + (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff0) - (long long )z >= 0LL) && (1LL + (long long )x$w_buff1) - (long long )z >= 0LL) && (1LL + (long long )y) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )z >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )z >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff0_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd0 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff0_thd3) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd1 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd0) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$r_buff1_thd3 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) - (long long )x$read_delayed >= 0LL) && (0LL - (long long )x$r_buff1_thd3) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )__unbuffered_p2_EBX) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$r_buff0_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff0_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd0) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd1) - (long long )z >= 0LL) && (1LL - (long long )x$r_buff1_thd3) - (long long )z >= 0LL) && (1LL - (long long )x$read_delayed) - (long long )z >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff0_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$r_buff1_thd3 >= 0LL) && (1LL - (long long )weak$$choice0) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )z >= 0LL) && (2LL - (long long )__unbuffered_p2_EBX) - (long long )weak$$choice0 >= 0LL) && (2LL - (long long )weak$$choice0) - (long long )z >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )x$read_delayed >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd1 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EBX - (long long )x$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )x$read_delayed >= 0LL) && (long long )x - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x - (long long )x$read_delayed >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$flush_delayed - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$flush_delayed - (long long )x$read_delayed >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$mem_tmp - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$mem_tmp - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff0_thd3 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd0 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )x$r_buff1_thd2 - (long long )x$read_delayed >= 0LL) && (long long )x$r_buff1_thd3 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice0 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )x$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )weak$$choice2 - (long long )x$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )x$read_delayed >= 0LL))) && (! multithreaded || ((0 <= x$mem_tmp && x$mem_tmp <= 1) && (x$mem_tmp == 0 || x$mem_tmp == 1)))) && (! multithreaded || ((0 <= x && x <= 1) && (x == 0 || x == 1)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p0_EAX) && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p2_EBX) && 0 <= x) && 0 <= x$mem_tmp) && 0 <= x$w_buff0) && 0 <= x$w_buff1) && 0 <= y) && 0 <= z) && __unbuffered_p0_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p2_EBX <= 1) && x <= 1) && x$mem_tmp <= 1) && x$w_buff0 <= 1) && x$w_buff1 <= 1) && y <= 1) && z <= 1) && x$flush_delayed == (_Bool)0) && x$r_buff0_thd0 == (_Bool)0) && x$r_buff0_thd1 == (_Bool)0) && x$r_buff0_thd3 == (_Bool)0) && x$r_buff1_thd0 == (_Bool)0) && x$r_buff1_thd1 == (_Bool)0) && x$r_buff1_thd3 == (_Bool)0) && x$read_delayed == (_Bool)0) && x$read_delayed_var == 0) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)))) && (! multithreaded || x$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || x$read_delayed_var == 0)) && (! multithreaded || x$r_buff0_thd1 == (_Bool)0)) && (! multithreaded || x$read_delayed == (_Bool)0)) && (! multithreaded || x$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || ((0 <= x$w_buff0 && x$w_buff0 <= 1) && (x$w_buff0 == 0 || x$w_buff0 == 1)))) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || x$r_buff1_thd1 == (_Bool)0)) && (! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) && (! multithreaded || ((0 <= __unbuffered_p0_EAX && __unbuffered_p0_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)))) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || ((0 <= __unbuffered_p2_EBX && __unbuffered_p2_EBX <= 1) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)))) && (! multithreaded || ((0 <= x$w_buff1 && x$w_buff1 <= 1) && (x$w_buff1 == 0 || x$w_buff1 == 1)))) && (! multithreaded || x$r_buff1_thd3 == (_Bool)0) [2024-06-03 22:37:29,472 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 22:37:29,472 INFO L106 edCorrectnessWitness]: ghost_update [L834-L834] multithreaded = 1; [2024-06-03 22:37:29,508 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 22:37:29,824 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:37:29,836 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 22:37:30,157 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:37:30,186 INFO L206 MainTranslator]: Completed translation [2024-06-03 22:37:30,187 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30 WrapperNode [2024-06-03 22:37:30,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 22:37:30,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 22:37:30,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 22:37:30,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 22:37:30,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,393 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 126 [2024-06-03 22:37:30,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 22:37:30,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 22:37:30,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 22:37:30,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 22:37:30,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,431 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,467 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]. [2024-06-03 22:37:30,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 22:37:30,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 22:37:30,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 22:37:30,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 22:37:30,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (1/1) ... [2024-06-03 22:37:30,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:37:30,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 22:37:30,561 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) [2024-06-03 22:37:30,579 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 [2024-06-03 22:37:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 22:37:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 22:37:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-03 22:37:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-03 22:37:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-03 22:37:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-03 22:37:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-03 22:37:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-03 22:37:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 22:37:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 22:37:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 22:37:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 22:37:30,595 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-03 22:37:30,723 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 22:37:30,725 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 22:37:31,990 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 22:37:31,992 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 22:37:32,249 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 22:37:32,249 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 22:37:32,249 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:37:32 BoogieIcfgContainer [2024-06-03 22:37:32,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 22:37:32,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 22:37:32,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 22:37:32,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 22:37:32,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 10:37:29" (1/4) ... [2024-06-03 22:37:32,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654b1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 10:37:32, skipping insertion in model container [2024-06-03 22:37:32,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:37:29" (2/4) ... [2024-06-03 22:37:32,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654b1ab and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 10:37:32, skipping insertion in model container [2024-06-03 22:37:32,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:37:30" (3/4) ... [2024-06-03 22:37:32,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3654b1ab and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 10:37:32, skipping insertion in model container [2024-06-03 22:37:32,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:37:32" (4/4) ... [2024-06-03 22:37:32,255 INFO L112 eAbstractionObserver]: Analyzing ICFG safe024_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-06-03 22:37:32,267 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 22:37:32,268 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-03 22:37:32,268 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 22:37:32,365 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 22:37:32,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2024-06-03 22:37:32,438 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-06-03 22:37:32,439 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 22:37:32,441 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 62 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. [2024-06-03 22:37:32,442 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2024-06-03 22:37:32,444 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 33 transitions, 75 flow [2024-06-03 22:37:32,455 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 22:37:32,461 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;@6bdec7e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 22:37:32,461 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-03 22:37:32,469 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 22:37:32,469 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-03 22:37:32,470 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 22:37:32,470 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:32,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 22:37:32,471 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)] === [2024-06-03 22:37:32,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:32,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1623706950, now seen corresponding path program 1 times [2024-06-03 22:37:32,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:32,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941419944] [2024-06-03 22:37:32,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:37:39,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:39,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941419944] [2024-06-03 22:37:39,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941419944] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:39,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:39,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 22:37:39,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207903151] [2024-06-03 22:37:39,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:39,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 22:37:39,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:39,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 22:37:39,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 22:37:39,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 42 [2024-06-03 22:37:39,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-06-03 22:37:39,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:39,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 42 [2024-06-03 22:37:39,302 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:40,172 INFO L124 PetriNetUnfolderBase]: 942/1466 cut-off events. [2024-06-03 22:37:40,172 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2024-06-03 22:37:40,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2984 conditions, 1466 events. 942/1466 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 7280 event pairs, 546 based on Foata normal form. 2/1428 useless extension candidates. Maximal degree in co-relation 2969. Up to 1428 conditions per place. [2024-06-03 22:37:40,186 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 33 selfloop transitions, 4 changer transitions 0/44 dead transitions. [2024-06-03 22:37:40,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 44 transitions, 177 flow [2024-06-03 22:37:40,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 22:37:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 22:37:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2024-06-03 22:37:40,196 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.626984126984127 [2024-06-03 22:37:40,197 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 75 flow. Second operand 3 states and 79 transitions. [2024-06-03 22:37:40,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 44 transitions, 177 flow [2024-06-03 22:37:40,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 172 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 22:37:40,203 INFO L231 Difference]: Finished difference. Result has 43 places, 36 transitions, 102 flow [2024-06-03 22:37:40,205 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} [2024-06-03 22:37:40,207 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 0 predicate places. [2024-06-03 22:37:40,207 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 36 transitions, 102 flow [2024-06-03 22:37:40,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-06-03 22:37:40,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:40,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:37:40,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 22:37:40,208 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)] === [2024-06-03 22:37:40,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:40,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1309217895, now seen corresponding path program 1 times [2024-06-03 22:37:40,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:40,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761912673] [2024-06-03 22:37:40,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:40,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:40,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:37:44,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:44,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761912673] [2024-06-03 22:37:44,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761912673] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:44,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:44,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 22:37:44,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546132765] [2024-06-03 22:37:44,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:44,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 22:37:44,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:44,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 22:37:44,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-06-03 22:37:44,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-03 22:37:44,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 36 transitions, 102 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-06-03 22:37:44,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:44,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-03 22:37:44,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:45,424 INFO L124 PetriNetUnfolderBase]: 1140/1745 cut-off events. [2024-06-03 22:37:45,424 INFO L125 PetriNetUnfolderBase]: For 275/275 co-relation queries the response was YES. [2024-06-03 22:37:45,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4038 conditions, 1745 events. 1140/1745 cut-off events. For 275/275 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8418 event pairs, 658 based on Foata normal form. 3/1746 useless extension candidates. Maximal degree in co-relation 4023. Up to 1700 conditions per place. [2024-06-03 22:37:45,433 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 43 selfloop transitions, 7 changer transitions 0/56 dead transitions. [2024-06-03 22:37:45,433 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 56 transitions, 258 flow [2024-06-03 22:37:45,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-03 22:37:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-03 22:37:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 98 transitions. [2024-06-03 22:37:45,435 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-06-03 22:37:45,435 INFO L175 Difference]: Start difference. First operand has 43 places, 36 transitions, 102 flow. Second operand 4 states and 98 transitions. [2024-06-03 22:37:45,435 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 56 transitions, 258 flow [2024-06-03 22:37:45,436 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 56 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 22:37:45,437 INFO L231 Difference]: Finished difference. Result has 47 places, 42 transitions, 154 flow [2024-06-03 22:37:45,437 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=154, PETRI_PLACES=47, PETRI_TRANSITIONS=42} [2024-06-03 22:37:45,438 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 4 predicate places. [2024-06-03 22:37:45,438 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 42 transitions, 154 flow [2024-06-03 22:37:45,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-06-03 22:37:45,438 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:45,438 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:37:45,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 22:37:45,439 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)] === [2024-06-03 22:37:45,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash 267055224, now seen corresponding path program 1 times [2024-06-03 22:37:45,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:45,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111938732] [2024-06-03 22:37:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:50,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:37:50,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:50,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111938732] [2024-06-03 22:37:50,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111938732] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:50,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:50,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 22:37:50,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570366446] [2024-06-03 22:37:50,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:50,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-03 22:37:50,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:50,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-03 22:37:50,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-03 22:37:51,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-03 22:37:51,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 42 transitions, 154 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-06-03 22:37:51,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:51,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-03 22:37:51,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:51,921 INFO L124 PetriNetUnfolderBase]: 1134/1736 cut-off events. [2024-06-03 22:37:51,922 INFO L125 PetriNetUnfolderBase]: For 903/911 co-relation queries the response was YES. [2024-06-03 22:37:51,924 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4500 conditions, 1736 events. 1134/1736 cut-off events. For 903/911 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8378 event pairs, 533 based on Foata normal form. 9/1743 useless extension candidates. Maximal degree in co-relation 4482. Up to 1676 conditions per place. [2024-06-03 22:37:51,929 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 50 selfloop transitions, 10 changer transitions 0/66 dead transitions. [2024-06-03 22:37:51,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 66 transitions, 340 flow [2024-06-03 22:37:51,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:37:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:37:51,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 120 transitions. [2024-06-03 22:37:51,932 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-06-03 22:37:51,932 INFO L175 Difference]: Start difference. First operand has 47 places, 42 transitions, 154 flow. Second operand 5 states and 120 transitions. [2024-06-03 22:37:51,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 66 transitions, 340 flow [2024-06-03 22:37:51,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 338 flow, removed 1 selfloop flow, removed 0 redundant places. [2024-06-03 22:37:51,934 INFO L231 Difference]: Finished difference. Result has 52 places, 45 transitions, 200 flow [2024-06-03 22:37:51,934 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=200, PETRI_PLACES=52, PETRI_TRANSITIONS=45} [2024-06-03 22:37:51,935 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 9 predicate places. [2024-06-03 22:37:51,935 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 45 transitions, 200 flow [2024-06-03 22:37:51,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-06-03 22:37:51,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:51,936 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:37:51,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-03 22:37:51,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:37:51,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:51,936 INFO L85 PathProgramCache]: Analyzing trace with hash -894743445, now seen corresponding path program 1 times [2024-06-03 22:37:51,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:51,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078547358] [2024-06-03 22:37:51,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:51,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:01,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078547358] [2024-06-03 22:38:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078547358] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:01,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:01,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 22:38:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550866743] [2024-06-03 22:38:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:01,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 22:38:01,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:01,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 22:38:01,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-06-03 22:38:01,471 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-03 22:38:01,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 45 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2024-06-03 22:38:01,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:01,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-03 22:38:01,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:02,272 INFO L124 PetriNetUnfolderBase]: 1038/1612 cut-off events. [2024-06-03 22:38:02,272 INFO L125 PetriNetUnfolderBase]: For 1709/1709 co-relation queries the response was YES. [2024-06-03 22:38:02,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4584 conditions, 1612 events. 1038/1612 cut-off events. For 1709/1709 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 7825 event pairs, 474 based on Foata normal form. 4/1562 useless extension candidates. Maximal degree in co-relation 4563. Up to 1525 conditions per place. [2024-06-03 22:38:02,281 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 42 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2024-06-03 22:38:02,281 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 64 transitions, 372 flow [2024-06-03 22:38:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 119 transitions. [2024-06-03 22:38:02,285 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4722222222222222 [2024-06-03 22:38:02,285 INFO L175 Difference]: Start difference. First operand has 52 places, 45 transitions, 200 flow. Second operand 6 states and 119 transitions. [2024-06-03 22:38:02,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 64 transitions, 372 flow [2024-06-03 22:38:02,289 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 64 transitions, 348 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-06-03 22:38:02,290 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 268 flow [2024-06-03 22:38:02,291 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=268, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2024-06-03 22:38:02,292 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 14 predicate places. [2024-06-03 22:38:02,292 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 268 flow [2024-06-03 22:38:02,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 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) [2024-06-03 22:38:02,292 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:02,292 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:02,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-03 22:38:02,293 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)] === [2024-06-03 22:38:02,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1057930921, now seen corresponding path program 1 times [2024-06-03 22:38:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:02,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788387188] [2024-06-03 22:38:02,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:07,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:07,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788387188] [2024-06-03 22:38:07,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788387188] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:07,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:07,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 22:38:07,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723648024] [2024-06-03 22:38:07,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:07,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 22:38:07,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:07,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 22:38:07,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-03 22:38:07,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 42 [2024-06-03 22:38:07,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 268 flow. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:07,380 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:07,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 42 [2024-06-03 22:38:07,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:08,391 INFO L124 PetriNetUnfolderBase]: 1122/1717 cut-off events. [2024-06-03 22:38:08,392 INFO L125 PetriNetUnfolderBase]: For 2416/2424 co-relation queries the response was YES. [2024-06-03 22:38:08,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5463 conditions, 1717 events. 1122/1717 cut-off events. For 2416/2424 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 8116 event pairs, 380 based on Foata normal form. 12/1727 useless extension candidates. Maximal degree in co-relation 5438. Up to 1627 conditions per place. [2024-06-03 22:38:08,401 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 60 selfloop transitions, 13 changer transitions 0/79 dead transitions. [2024-06-03 22:38:08,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 79 transitions, 488 flow [2024-06-03 22:38:08,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:08,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 138 transitions. [2024-06-03 22:38:08,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477 [2024-06-03 22:38:08,404 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 268 flow. Second operand 6 states and 138 transitions. [2024-06-03 22:38:08,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 79 transitions, 488 flow [2024-06-03 22:38:08,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 79 transitions, 474 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-06-03 22:38:08,407 INFO L231 Difference]: Finished difference. Result has 60 places, 54 transitions, 297 flow [2024-06-03 22:38:08,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=297, PETRI_PLACES=60, PETRI_TRANSITIONS=54} [2024-06-03 22:38:08,407 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 17 predicate places. [2024-06-03 22:38:08,407 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 54 transitions, 297 flow [2024-06-03 22:38:08,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:08,408 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:08,408 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:08,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-03 22:38:08,408 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)] === [2024-06-03 22:38:08,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:08,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1967242322, now seen corresponding path program 1 times [2024-06-03 22:38:08,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:08,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693108419] [2024-06-03 22:38:08,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:08,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:17,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:17,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:17,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693108419] [2024-06-03 22:38:17,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693108419] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:17,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:17,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:38:17,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288127115] [2024-06-03 22:38:17,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:17,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:38:17,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:17,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:38:17,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:38:17,992 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:38:17,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 54 transitions, 297 flow. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:17,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:17,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:38:17,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:18,959 INFO L124 PetriNetUnfolderBase]: 1229/1899 cut-off events. [2024-06-03 22:38:18,960 INFO L125 PetriNetUnfolderBase]: For 4097/4113 co-relation queries the response was YES. [2024-06-03 22:38:18,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6279 conditions, 1899 events. 1229/1899 cut-off events. For 4097/4113 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9301 event pairs, 529 based on Foata normal form. 2/1876 useless extension candidates. Maximal degree in co-relation 6253. Up to 1790 conditions per place. [2024-06-03 22:38:18,970 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 55 selfloop transitions, 12 changer transitions 0/77 dead transitions. [2024-06-03 22:38:18,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 77 transitions, 514 flow [2024-06-03 22:38:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:18,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:18,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 118 transitions. [2024-06-03 22:38:18,971 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46825396825396826 [2024-06-03 22:38:18,972 INFO L175 Difference]: Start difference. First operand has 60 places, 54 transitions, 297 flow. Second operand 6 states and 118 transitions. [2024-06-03 22:38:18,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 77 transitions, 514 flow [2024-06-03 22:38:18,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 77 transitions, 477 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-06-03 22:38:18,975 INFO L231 Difference]: Finished difference. Result has 64 places, 63 transitions, 362 flow [2024-06-03 22:38:18,975 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=362, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2024-06-03 22:38:18,975 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 21 predicate places. [2024-06-03 22:38:18,975 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 362 flow [2024-06-03 22:38:18,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:18,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:18,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:18,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-03 22:38:18,976 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)] === [2024-06-03 22:38:18,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:18,977 INFO L85 PathProgramCache]: Analyzing trace with hash -855215188, now seen corresponding path program 1 times [2024-06-03 22:38:18,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:18,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322891660] [2024-06-03 22:38:18,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:18,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:27,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:27,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322891660] [2024-06-03 22:38:27,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322891660] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:27,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:27,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:38:27,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678158582] [2024-06-03 22:38:27,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:27,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:38:27,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:27,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:38:27,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:38:27,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:38:27,877 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 362 flow. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:27,877 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:27,877 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:38:27,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:28,822 INFO L124 PetriNetUnfolderBase]: 1263/1942 cut-off events. [2024-06-03 22:38:28,822 INFO L125 PetriNetUnfolderBase]: For 5088/5114 co-relation queries the response was YES. [2024-06-03 22:38:28,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6917 conditions, 1942 events. 1263/1942 cut-off events. For 5088/5114 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 9367 event pairs, 500 based on Foata normal form. 16/1950 useless extension candidates. Maximal degree in co-relation 6887. Up to 1853 conditions per place. [2024-06-03 22:38:28,833 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 61 selfloop transitions, 14 changer transitions 0/84 dead transitions. [2024-06-03 22:38:28,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 84 transitions, 578 flow [2024-06-03 22:38:28,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:28,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-06-03 22:38:28,849 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48412698412698413 [2024-06-03 22:38:28,849 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 362 flow. Second operand 6 states and 122 transitions. [2024-06-03 22:38:28,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 84 transitions, 578 flow [2024-06-03 22:38:28,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 84 transitions, 572 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-06-03 22:38:28,853 INFO L231 Difference]: Finished difference. Result has 69 places, 66 transitions, 414 flow [2024-06-03 22:38:28,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=414, PETRI_PLACES=69, PETRI_TRANSITIONS=66} [2024-06-03 22:38:28,854 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 26 predicate places. [2024-06-03 22:38:28,854 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 66 transitions, 414 flow [2024-06-03 22:38:28,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:28,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:28,855 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:28,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-03 22:38:28,855 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)] === [2024-06-03 22:38:28,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:28,855 INFO L85 PathProgramCache]: Analyzing trace with hash 603720696, now seen corresponding path program 2 times [2024-06-03 22:38:28,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:28,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31228783] [2024-06-03 22:38:28,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:28,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:37,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31228783] [2024-06-03 22:38:37,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31228783] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:37,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:37,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:38:37,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945838976] [2024-06-03 22:38:37,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:37,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:38:37,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:37,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:38:37,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:38:37,626 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:38:37,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 66 transitions, 414 flow. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:37,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:37,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:38:37,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:38,511 INFO L124 PetriNetUnfolderBase]: 1293/1989 cut-off events. [2024-06-03 22:38:38,511 INFO L125 PetriNetUnfolderBase]: For 6899/6926 co-relation queries the response was YES. [2024-06-03 22:38:38,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7687 conditions, 1989 events. 1293/1989 cut-off events. For 6899/6926 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9738 event pairs, 498 based on Foata normal form. 13/1990 useless extension candidates. Maximal degree in co-relation 7654. Up to 1865 conditions per place. [2024-06-03 22:38:38,523 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 61 selfloop transitions, 19 changer transitions 0/89 dead transitions. [2024-06-03 22:38:38,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 89 transitions, 666 flow [2024-06-03 22:38:38,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-06-03 22:38:38,527 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48412698412698413 [2024-06-03 22:38:38,527 INFO L175 Difference]: Start difference. First operand has 69 places, 66 transitions, 414 flow. Second operand 6 states and 122 transitions. [2024-06-03 22:38:38,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 89 transitions, 666 flow [2024-06-03 22:38:38,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 89 transitions, 632 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-06-03 22:38:38,532 INFO L231 Difference]: Finished difference. Result has 72 places, 72 transitions, 492 flow [2024-06-03 22:38:38,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=72, PETRI_TRANSITIONS=72} [2024-06-03 22:38:38,532 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 29 predicate places. [2024-06-03 22:38:38,533 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 72 transitions, 492 flow [2024-06-03 22:38:38,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 7 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:38,533 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:38,533 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:38,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-06-03 22:38:38,533 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)] === [2024-06-03 22:38:38,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:38,534 INFO L85 PathProgramCache]: Analyzing trace with hash -854969110, now seen corresponding path program 1 times [2024-06-03 22:38:38,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:38,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540200805] [2024-06-03 22:38:38,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:38,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:38:48,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:48,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540200805] [2024-06-03 22:38:48,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540200805] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:48,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:48,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:48,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362031970] [2024-06-03 22:38:48,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:48,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:48,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:48,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:48,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:38:49,030 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:38:49,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 72 transitions, 492 flow. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:49,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:49,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:38:49,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:49,946 INFO L124 PetriNetUnfolderBase]: 1265/1960 cut-off events. [2024-06-03 22:38:49,946 INFO L125 PetriNetUnfolderBase]: For 8851/8893 co-relation queries the response was YES. [2024-06-03 22:38:49,950 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7905 conditions, 1960 events. 1265/1960 cut-off events. For 8851/8893 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9679 event pairs, 504 based on Foata normal form. 2/1932 useless extension candidates. Maximal degree in co-relation 7870. Up to 1824 conditions per place. [2024-06-03 22:38:49,961 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 65 selfloop transitions, 15 changer transitions 0/93 dead transitions. [2024-06-03 22:38:49,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 93 transitions, 712 flow [2024-06-03 22:38:49,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:38:49,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:38:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2024-06-03 22:38:49,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46258503401360546 [2024-06-03 22:38:49,962 INFO L175 Difference]: Start difference. First operand has 72 places, 72 transitions, 492 flow. Second operand 7 states and 136 transitions. [2024-06-03 22:38:49,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 93 transitions, 712 flow [2024-06-03 22:38:49,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 93 transitions, 668 flow, removed 14 selfloop flow, removed 3 redundant places. [2024-06-03 22:38:49,976 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 506 flow [2024-06-03 22:38:49,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=506, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2024-06-03 22:38:49,977 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 33 predicate places. [2024-06-03 22:38:49,977 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 506 flow [2024-06-03 22:38:49,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:49,977 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:49,977 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:38:49,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-06-03 22:38:49,977 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:49,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:49,978 INFO L85 PathProgramCache]: Analyzing trace with hash -658749465, now seen corresponding path program 1 times [2024-06-03 22:38:49,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:49,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670548114] [2024-06-03 22:38:49,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:49,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:00,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:00,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670548114] [2024-06-03 22:39:00,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670548114] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:00,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:00,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:00,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634003837] [2024-06-03 22:39:00,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:00,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:00,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:00,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:00,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:00,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:39:00,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 506 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) [2024-06-03 22:39:00,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:00,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:39:00,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:01,489 INFO L124 PetriNetUnfolderBase]: 1364/2086 cut-off events. [2024-06-03 22:39:01,489 INFO L125 PetriNetUnfolderBase]: For 9718/9718 co-relation queries the response was YES. [2024-06-03 22:39:01,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8716 conditions, 2086 events. 1364/2086 cut-off events. For 9718/9718 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 9993 event pairs, 518 based on Foata normal form. 4/2088 useless extension candidates. Maximal degree in co-relation 8680. Up to 1981 conditions per place. [2024-06-03 22:39:01,498 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 87 selfloop transitions, 15 changer transitions 0/107 dead transitions. [2024-06-03 22:39:01,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 107 transitions, 833 flow [2024-06-03 22:39:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:39:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:39:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 135 transitions. [2024-06-03 22:39:01,501 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45918367346938777 [2024-06-03 22:39:01,502 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 506 flow. Second operand 7 states and 135 transitions. [2024-06-03 22:39:01,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 107 transitions, 833 flow [2024-06-03 22:39:01,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 107 transitions, 799 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-06-03 22:39:01,507 INFO L231 Difference]: Finished difference. Result has 80 places, 84 transitions, 592 flow [2024-06-03 22:39:01,508 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=592, PETRI_PLACES=80, PETRI_TRANSITIONS=84} [2024-06-03 22:39:01,510 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 37 predicate places. [2024-06-03 22:39:01,512 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 84 transitions, 592 flow [2024-06-03 22:39:01,513 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) [2024-06-03 22:39:01,513 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:01,513 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:39:01,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-06-03 22:39:01,513 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)] === [2024-06-03 22:39:01,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:01,514 INFO L85 PathProgramCache]: Analyzing trace with hash -734247795, now seen corresponding path program 2 times [2024-06-03 22:39:01,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:01,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341138355] [2024-06-03 22:39:01,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:01,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:12,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:12,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341138355] [2024-06-03 22:39:12,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341138355] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:12,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:12,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:12,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657837905] [2024-06-03 22:39:12,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:12,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:12,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:12,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:12,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:12,263 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:39:12,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 84 transitions, 592 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) [2024-06-03 22:39:12,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:12,264 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:39:12,264 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:13,235 INFO L124 PetriNetUnfolderBase]: 1402/2142 cut-off events. [2024-06-03 22:39:13,235 INFO L125 PetriNetUnfolderBase]: For 12377/12377 co-relation queries the response was YES. [2024-06-03 22:39:13,240 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9512 conditions, 2142 events. 1402/2142 cut-off events. For 12377/12377 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10357 event pairs, 522 based on Foata normal form. 4/2141 useless extension candidates. Maximal degree in co-relation 9473. Up to 1953 conditions per place. [2024-06-03 22:39:13,247 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 85 selfloop transitions, 27 changer transitions 0/117 dead transitions. [2024-06-03 22:39:13,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 117 transitions, 988 flow [2024-06-03 22:39:13,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:39:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:39:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 138 transitions. [2024-06-03 22:39:13,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46938775510204084 [2024-06-03 22:39:13,250 INFO L175 Difference]: Start difference. First operand has 80 places, 84 transitions, 592 flow. Second operand 7 states and 138 transitions. [2024-06-03 22:39:13,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 117 transitions, 988 flow [2024-06-03 22:39:13,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 117 transitions, 961 flow, removed 10 selfloop flow, removed 2 redundant places. [2024-06-03 22:39:13,258 INFO L231 Difference]: Finished difference. Result has 86 places, 93 transitions, 713 flow [2024-06-03 22:39:13,259 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=565, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=713, PETRI_PLACES=86, PETRI_TRANSITIONS=93} [2024-06-03 22:39:13,259 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 43 predicate places. [2024-06-03 22:39:13,259 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 93 transitions, 713 flow [2024-06-03 22:39:13,260 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) [2024-06-03 22:39:13,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:13,260 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:39:13,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-06-03 22:39:13,260 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)] === [2024-06-03 22:39:13,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -734514705, now seen corresponding path program 3 times [2024-06-03 22:39:13,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:13,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794563257] [2024-06-03 22:39:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:13,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:22,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:22,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794563257] [2024-06-03 22:39:22,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794563257] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:22,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:22,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:22,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837603943] [2024-06-03 22:39:22,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:22,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:22,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:22,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:22,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:23,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:39:23,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 93 transitions, 713 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) [2024-06-03 22:39:23,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:23,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:39:23,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:24,100 INFO L124 PetriNetUnfolderBase]: 1392/2133 cut-off events. [2024-06-03 22:39:24,100 INFO L125 PetriNetUnfolderBase]: For 15028/15028 co-relation queries the response was YES. [2024-06-03 22:39:24,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10053 conditions, 2133 events. 1392/2133 cut-off events. For 15028/15028 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10382 event pairs, 527 based on Foata normal form. 4/2133 useless extension candidates. Maximal degree in co-relation 10011. Up to 1945 conditions per place. [2024-06-03 22:39:24,112 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 84 selfloop transitions, 26 changer transitions 0/115 dead transitions. [2024-06-03 22:39:24,113 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 115 transitions, 995 flow [2024-06-03 22:39:24,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:39:24,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:39:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 137 transitions. [2024-06-03 22:39:24,115 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46598639455782315 [2024-06-03 22:39:24,115 INFO L175 Difference]: Start difference. First operand has 86 places, 93 transitions, 713 flow. Second operand 7 states and 137 transitions. [2024-06-03 22:39:24,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 115 transitions, 995 flow [2024-06-03 22:39:24,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 115 transitions, 955 flow, removed 16 selfloop flow, removed 2 redundant places. [2024-06-03 22:39:24,155 INFO L231 Difference]: Finished difference. Result has 91 places, 93 transitions, 733 flow [2024-06-03 22:39:24,156 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=673, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=733, PETRI_PLACES=91, PETRI_TRANSITIONS=93} [2024-06-03 22:39:24,156 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 48 predicate places. [2024-06-03 22:39:24,156 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 93 transitions, 733 flow [2024-06-03 22:39:24,156 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) [2024-06-03 22:39:24,156 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:24,156 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:39:24,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-06-03 22:39:24,157 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)] === [2024-06-03 22:39:24,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:24,157 INFO L85 PathProgramCache]: Analyzing trace with hash -733048583, now seen corresponding path program 1 times [2024-06-03 22:39:24,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:24,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271947731] [2024-06-03 22:39:24,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:24,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:34,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:34,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271947731] [2024-06-03 22:39:34,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271947731] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:34,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:34,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:39:34,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952222054] [2024-06-03 22:39:34,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:34,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:39:34,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:39:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:39:34,967 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:39:34,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 93 transitions, 733 flow. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:34,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:34,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:39:34,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:35,905 INFO L124 PetriNetUnfolderBase]: 1298/2035 cut-off events. [2024-06-03 22:39:35,905 INFO L125 PetriNetUnfolderBase]: For 16832/16832 co-relation queries the response was YES. [2024-06-03 22:39:35,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9737 conditions, 2035 events. 1298/2035 cut-off events. For 16832/16832 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 10077 event pairs, 476 based on Foata normal form. 4/2023 useless extension candidates. Maximal degree in co-relation 9693. Up to 1850 conditions per place. [2024-06-03 22:39:35,917 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 88 selfloop transitions, 17 changer transitions 0/118 dead transitions. [2024-06-03 22:39:35,917 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 118 transitions, 1017 flow [2024-06-03 22:39:35,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:39:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:39:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 154 transitions. [2024-06-03 22:39:35,919 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2024-06-03 22:39:35,920 INFO L175 Difference]: Start difference. First operand has 91 places, 93 transitions, 733 flow. Second operand 8 states and 154 transitions. [2024-06-03 22:39:35,920 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 118 transitions, 1017 flow [2024-06-03 22:39:35,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 118 transitions, 932 flow, removed 7 selfloop flow, removed 7 redundant places. [2024-06-03 22:39:35,930 INFO L231 Difference]: Finished difference. Result has 92 places, 95 transitions, 709 flow [2024-06-03 22:39:35,930 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=648, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=709, PETRI_PLACES=92, PETRI_TRANSITIONS=95} [2024-06-03 22:39:35,931 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 49 predicate places. [2024-06-03 22:39:35,931 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 95 transitions, 709 flow [2024-06-03 22:39:35,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:35,931 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:35,931 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:39:35,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-06-03 22:39:35,932 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:39:35,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:35,932 INFO L85 PathProgramCache]: Analyzing trace with hash 920658813, now seen corresponding path program 1 times [2024-06-03 22:39:35,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:35,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411462730] [2024-06-03 22:39:35,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:35,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:45,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:45,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411462730] [2024-06-03 22:39:45,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411462730] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:45,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:45,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:45,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781424534] [2024-06-03 22:39:45,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:45,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:45,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:45,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:45,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:45,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:39:45,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 95 transitions, 709 flow. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:45,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:45,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:39:45,274 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:46,322 INFO L124 PetriNetUnfolderBase]: 1332/2061 cut-off events. [2024-06-03 22:39:46,323 INFO L125 PetriNetUnfolderBase]: For 19790/19830 co-relation queries the response was YES. [2024-06-03 22:39:46,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10098 conditions, 2061 events. 1332/2061 cut-off events. For 19790/19830 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 10136 event pairs, 466 based on Foata normal form. 21/2033 useless extension candidates. Maximal degree in co-relation 10055. Up to 1897 conditions per place. [2024-06-03 22:39:46,333 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 86 selfloop transitions, 19 changer transitions 0/122 dead transitions. [2024-06-03 22:39:46,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 122 transitions, 1015 flow [2024-06-03 22:39:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:39:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:39:46,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 142 transitions. [2024-06-03 22:39:46,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48299319727891155 [2024-06-03 22:39:46,336 INFO L175 Difference]: Start difference. First operand has 92 places, 95 transitions, 709 flow. Second operand 7 states and 142 transitions. [2024-06-03 22:39:46,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 122 transitions, 1015 flow [2024-06-03 22:39:46,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 122 transitions, 972 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-06-03 22:39:46,345 INFO L231 Difference]: Finished difference. Result has 93 places, 98 transitions, 748 flow [2024-06-03 22:39:46,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=666, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=748, PETRI_PLACES=93, PETRI_TRANSITIONS=98} [2024-06-03 22:39:46,346 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 50 predicate places. [2024-06-03 22:39:46,346 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 98 transitions, 748 flow [2024-06-03 22:39:46,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 8 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:46,346 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:46,346 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:39:46,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-06-03 22:39:46,347 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)] === [2024-06-03 22:39:46,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:46,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1486151745, now seen corresponding path program 1 times [2024-06-03 22:39:46,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:46,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363315530] [2024-06-03 22:39:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:46,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:39:59,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:59,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363315530] [2024-06-03 22:39:59,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363315530] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:59,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:59,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:39:59,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494201704] [2024-06-03 22:39:59,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:59,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:39:59,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:59,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:39:59,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:39:59,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:39:59,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 98 transitions, 748 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) [2024-06-03 22:39:59,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:59,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:39:59,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:01,097 INFO L124 PetriNetUnfolderBase]: 1398/2141 cut-off events. [2024-06-03 22:40:01,097 INFO L125 PetriNetUnfolderBase]: For 21092/21092 co-relation queries the response was YES. [2024-06-03 22:40:01,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10666 conditions, 2141 events. 1398/2141 cut-off events. For 21092/21092 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10301 event pairs, 484 based on Foata normal form. 4/2143 useless extension candidates. Maximal degree in co-relation 10622. Up to 2013 conditions per place. [2024-06-03 22:40:01,108 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 105 selfloop transitions, 19 changer transitions 0/129 dead transitions. [2024-06-03 22:40:01,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 129 transitions, 1100 flow [2024-06-03 22:40:01,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2024-06-03 22:40:01,125 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2024-06-03 22:40:01,125 INFO L175 Difference]: Start difference. First operand has 93 places, 98 transitions, 748 flow. Second operand 8 states and 153 transitions. [2024-06-03 22:40:01,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 129 transitions, 1100 flow [2024-06-03 22:40:01,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 129 transitions, 1044 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-06-03 22:40:01,157 INFO L231 Difference]: Finished difference. Result has 96 places, 102 transitions, 777 flow [2024-06-03 22:40:01,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=692, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=777, PETRI_PLACES=96, PETRI_TRANSITIONS=102} [2024-06-03 22:40:01,159 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 53 predicate places. [2024-06-03 22:40:01,159 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 102 transitions, 777 flow [2024-06-03 22:40:01,159 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) [2024-06-03 22:40:01,159 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:01,159 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:40:01,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-06-03 22:40:01,160 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)] === [2024-06-03 22:40:01,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:01,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1258250595, now seen corresponding path program 2 times [2024-06-03 22:40:01,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:01,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54668864] [2024-06-03 22:40:01,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:01,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:40:14,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:14,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54668864] [2024-06-03 22:40:14,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54668864] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:14,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353725790] [2024-06-03 22:40:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:14,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:14,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:14,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:14,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:14,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:40:14,802 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 102 transitions, 777 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) [2024-06-03 22:40:14,802 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:14,802 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:40:14,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:15,880 INFO L124 PetriNetUnfolderBase]: 1420/2174 cut-off events. [2024-06-03 22:40:15,880 INFO L125 PetriNetUnfolderBase]: For 24489/24489 co-relation queries the response was YES. [2024-06-03 22:40:15,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11391 conditions, 2174 events. 1420/2174 cut-off events. For 24489/24489 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10561 event pairs, 488 based on Foata normal form. 4/2174 useless extension candidates. Maximal degree in co-relation 11346. Up to 1968 conditions per place. [2024-06-03 22:40:15,891 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 97 selfloop transitions, 30 changer transitions 0/132 dead transitions. [2024-06-03 22:40:15,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 132 transitions, 1147 flow [2024-06-03 22:40:15,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:15,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:15,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 155 transitions. [2024-06-03 22:40:15,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46130952380952384 [2024-06-03 22:40:15,895 INFO L175 Difference]: Start difference. First operand has 96 places, 102 transitions, 777 flow. Second operand 8 states and 155 transitions. [2024-06-03 22:40:15,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 132 transitions, 1147 flow [2024-06-03 22:40:15,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 132 transitions, 1092 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-06-03 22:40:15,907 INFO L231 Difference]: Finished difference. Result has 98 places, 106 transitions, 837 flow [2024-06-03 22:40:15,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=837, PETRI_PLACES=98, PETRI_TRANSITIONS=106} [2024-06-03 22:40:15,908 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 55 predicate places. [2024-06-03 22:40:15,908 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 106 transitions, 837 flow [2024-06-03 22:40:15,908 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) [2024-06-03 22:40:15,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:15,909 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:40:15,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-06-03 22:40:15,909 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)] === [2024-06-03 22:40:15,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:15,909 INFO L85 PathProgramCache]: Analyzing trace with hash -1249976385, now seen corresponding path program 3 times [2024-06-03 22:40:15,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:15,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947714234] [2024-06-03 22:40:15,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:15,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:40:29,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:29,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947714234] [2024-06-03 22:40:29,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947714234] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:29,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:29,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:29,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144565735] [2024-06-03 22:40:29,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:29,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:29,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:29,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:40:29,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 106 transitions, 837 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) [2024-06-03 22:40:29,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:29,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:40:29,606 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:30,623 INFO L124 PetriNetUnfolderBase]: 1442/2206 cut-off events. [2024-06-03 22:40:30,624 INFO L125 PetriNetUnfolderBase]: For 28340/28340 co-relation queries the response was YES. [2024-06-03 22:40:30,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12181 conditions, 2206 events. 1442/2206 cut-off events. For 28340/28340 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10652 event pairs, 483 based on Foata normal form. 4/2206 useless extension candidates. Maximal degree in co-relation 12135. Up to 2000 conditions per place. [2024-06-03 22:40:30,637 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 100 selfloop transitions, 31 changer transitions 0/136 dead transitions. [2024-06-03 22:40:30,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 136 transitions, 1229 flow [2024-06-03 22:40:30,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:30,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:30,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 154 transitions. [2024-06-03 22:40:30,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2024-06-03 22:40:30,640 INFO L175 Difference]: Start difference. First operand has 98 places, 106 transitions, 837 flow. Second operand 8 states and 154 transitions. [2024-06-03 22:40:30,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 136 transitions, 1229 flow [2024-06-03 22:40:30,652 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 136 transitions, 1144 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-06-03 22:40:30,654 INFO L231 Difference]: Finished difference. Result has 100 places, 110 transitions, 877 flow [2024-06-03 22:40:30,654 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=877, PETRI_PLACES=100, PETRI_TRANSITIONS=110} [2024-06-03 22:40:30,655 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 57 predicate places. [2024-06-03 22:40:30,655 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 110 transitions, 877 flow [2024-06-03 22:40:30,655 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) [2024-06-03 22:40:30,655 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:30,655 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:40:30,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-06-03 22:40:30,656 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)] === [2024-06-03 22:40:30,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:30,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1249679715, now seen corresponding path program 4 times [2024-06-03 22:40:30,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:30,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410141953] [2024-06-03 22:40:30,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:30,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:40:41,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:41,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410141953] [2024-06-03 22:40:41,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410141953] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:41,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:41,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:41,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077153398] [2024-06-03 22:40:41,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:41,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:41,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:41,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:41,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:41,248 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:40:41,248 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 110 transitions, 877 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) [2024-06-03 22:40:41,248 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:41,248 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:40:41,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:42,327 INFO L124 PetriNetUnfolderBase]: 1437/2204 cut-off events. [2024-06-03 22:40:42,328 INFO L125 PetriNetUnfolderBase]: For 32007/32007 co-relation queries the response was YES. [2024-06-03 22:40:42,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12661 conditions, 2204 events. 1437/2204 cut-off events. For 32007/32007 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10709 event pairs, 483 based on Foata normal form. 2/2202 useless extension candidates. Maximal degree in co-relation 12614. Up to 2021 conditions per place. [2024-06-03 22:40:42,341 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 111 selfloop transitions, 38 changer transitions 0/154 dead transitions. [2024-06-03 22:40:42,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 154 transitions, 1424 flow [2024-06-03 22:40:42,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:42,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2024-06-03 22:40:42,344 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4494047619047619 [2024-06-03 22:40:42,345 INFO L175 Difference]: Start difference. First operand has 100 places, 110 transitions, 877 flow. Second operand 8 states and 151 transitions. [2024-06-03 22:40:42,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 154 transitions, 1424 flow [2024-06-03 22:40:42,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 154 transitions, 1292 flow, removed 27 selfloop flow, removed 6 redundant places. [2024-06-03 22:40:42,366 INFO L231 Difference]: Finished difference. Result has 105 places, 131 transitions, 1093 flow [2024-06-03 22:40:42,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1093, PETRI_PLACES=105, PETRI_TRANSITIONS=131} [2024-06-03 22:40:42,367 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 62 predicate places. [2024-06-03 22:40:42,367 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 131 transitions, 1093 flow [2024-06-03 22:40:42,367 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) [2024-06-03 22:40:42,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:42,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:40:42,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-06-03 22:40:42,368 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:42,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:42,369 INFO L85 PathProgramCache]: Analyzing trace with hash -21877288, now seen corresponding path program 1 times [2024-06-03 22:40:42,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:42,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197187161] [2024-06-03 22:40:42,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:52,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:40:52,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:52,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197187161] [2024-06-03 22:40:52,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197187161] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:52,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:52,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:52,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215498031] [2024-06-03 22:40:52,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:52,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:52,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:52,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:52,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:53,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:40:53,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 131 transitions, 1093 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) [2024-06-03 22:40:53,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:53,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:40:53,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:54,131 INFO L124 PetriNetUnfolderBase]: 1432/2201 cut-off events. [2024-06-03 22:40:54,131 INFO L125 PetriNetUnfolderBase]: For 34305/34305 co-relation queries the response was YES. [2024-06-03 22:40:54,137 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13104 conditions, 2201 events. 1432/2201 cut-off events. For 34305/34305 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10638 event pairs, 453 based on Foata normal form. 2/2201 useless extension candidates. Maximal degree in co-relation 13053. Up to 2089 conditions per place. [2024-06-03 22:40:54,144 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 145 selfloop transitions, 18 changer transitions 0/168 dead transitions. [2024-06-03 22:40:54,144 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 168 transitions, 1593 flow [2024-06-03 22:40:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:54,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2024-06-03 22:40:54,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2024-06-03 22:40:54,147 INFO L175 Difference]: Start difference. First operand has 105 places, 131 transitions, 1093 flow. Second operand 8 states and 153 transitions. [2024-06-03 22:40:54,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 168 transitions, 1593 flow [2024-06-03 22:40:54,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 168 transitions, 1541 flow, removed 22 selfloop flow, removed 2 redundant places. [2024-06-03 22:40:54,165 INFO L231 Difference]: Finished difference. Result has 113 places, 140 transitions, 1205 flow [2024-06-03 22:40:54,166 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1041, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1205, PETRI_PLACES=113, PETRI_TRANSITIONS=140} [2024-06-03 22:40:54,166 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 70 predicate places. [2024-06-03 22:40:54,166 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 140 transitions, 1205 flow [2024-06-03 22:40:54,166 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) [2024-06-03 22:40:54,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:54,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:40:54,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-06-03 22:40:54,167 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)] === [2024-06-03 22:40:54,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:54,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1376522246, now seen corresponding path program 1 times [2024-06-03 22:40:54,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:54,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714198704] [2024-06-03 22:40:54,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:54,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:41:04,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:04,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714198704] [2024-06-03 22:41:04,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714198704] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:04,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:04,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204467760] [2024-06-03 22:41:04,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:04,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:04,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:04,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:41:04,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 140 transitions, 1205 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:04,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:04,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:41:04,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:06,077 INFO L124 PetriNetUnfolderBase]: 1449/2233 cut-off events. [2024-06-03 22:41:06,077 INFO L125 PetriNetUnfolderBase]: For 38778/38778 co-relation queries the response was YES. [2024-06-03 22:41:06,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13629 conditions, 2233 events. 1449/2233 cut-off events. For 38778/38778 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10849 event pairs, 449 based on Foata normal form. 4/2235 useless extension candidates. Maximal degree in co-relation 13574. Up to 2104 conditions per place. [2024-06-03 22:41:06,090 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 149 selfloop transitions, 20 changer transitions 0/174 dead transitions. [2024-06-03 22:41:06,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 174 transitions, 1661 flow [2024-06-03 22:41:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:06,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 167 transitions. [2024-06-03 22:41:06,094 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4417989417989418 [2024-06-03 22:41:06,094 INFO L175 Difference]: Start difference. First operand has 113 places, 140 transitions, 1205 flow. Second operand 9 states and 167 transitions. [2024-06-03 22:41:06,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 174 transitions, 1661 flow [2024-06-03 22:41:06,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 174 transitions, 1581 flow, removed 34 selfloop flow, removed 3 redundant places. [2024-06-03 22:41:06,118 INFO L231 Difference]: Finished difference. Result has 121 places, 144 transitions, 1228 flow [2024-06-03 22:41:06,118 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1125, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1228, PETRI_PLACES=121, PETRI_TRANSITIONS=144} [2024-06-03 22:41:06,119 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 78 predicate places. [2024-06-03 22:41:06,119 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 144 transitions, 1228 flow [2024-06-03 22:41:06,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:06,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:06,119 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:41:06,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-06-03 22:41:06,120 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)] === [2024-06-03 22:41:06,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:06,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1493971634, now seen corresponding path program 2 times [2024-06-03 22:41:06,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:06,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096856447] [2024-06-03 22:41:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:41:18,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:18,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096856447] [2024-06-03 22:41:18,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096856447] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:18,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:18,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:18,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540168762] [2024-06-03 22:41:18,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:18,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:18,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:18,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:18,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:18,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:41:18,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 144 transitions, 1228 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:18,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:18,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:41:18,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:19,586 INFO L124 PetriNetUnfolderBase]: 1541/2376 cut-off events. [2024-06-03 22:41:19,586 INFO L125 PetriNetUnfolderBase]: For 47940/47940 co-relation queries the response was YES. [2024-06-03 22:41:19,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14756 conditions, 2376 events. 1541/2376 cut-off events. For 47940/47940 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 11757 event pairs, 467 based on Foata normal form. 24/2396 useless extension candidates. Maximal degree in co-relation 14697. Up to 2027 conditions per place. [2024-06-03 22:41:19,605 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 131 selfloop transitions, 43 changer transitions 0/179 dead transitions. [2024-06-03 22:41:19,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 179 transitions, 1735 flow [2024-06-03 22:41:19,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 176 transitions. [2024-06-03 22:41:19,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4656084656084656 [2024-06-03 22:41:19,609 INFO L175 Difference]: Start difference. First operand has 121 places, 144 transitions, 1228 flow. Second operand 9 states and 176 transitions. [2024-06-03 22:41:19,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 179 transitions, 1735 flow [2024-06-03 22:41:19,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 179 transitions, 1682 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-06-03 22:41:19,639 INFO L231 Difference]: Finished difference. Result has 126 places, 146 transitions, 1309 flow [2024-06-03 22:41:19,640 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1309, PETRI_PLACES=126, PETRI_TRANSITIONS=146} [2024-06-03 22:41:19,640 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 83 predicate places. [2024-06-03 22:41:19,641 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 146 transitions, 1309 flow [2024-06-03 22:41:19,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:19,641 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:19,641 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:41:19,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-06-03 22:41:19,641 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)] === [2024-06-03 22:41:19,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1228274354, now seen corresponding path program 3 times [2024-06-03 22:41:19,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:19,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560549641] [2024-06-03 22:41:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:19,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:41:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:30,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560549641] [2024-06-03 22:41:30,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560549641] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:30,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:30,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:30,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108882618] [2024-06-03 22:41:30,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:30,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:30,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:30,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:30,828 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:41:30,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 146 transitions, 1309 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:30,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:30,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:41:30,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:31,980 INFO L124 PetriNetUnfolderBase]: 1558/2403 cut-off events. [2024-06-03 22:41:31,980 INFO L125 PetriNetUnfolderBase]: For 48984/48984 co-relation queries the response was YES. [2024-06-03 22:41:31,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15319 conditions, 2403 events. 1558/2403 cut-off events. For 48984/48984 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 11948 event pairs, 467 based on Foata normal form. 4/2402 useless extension candidates. Maximal degree in co-relation 15259. Up to 2120 conditions per place. [2024-06-03 22:41:31,996 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 109 selfloop transitions, 62 changer transitions 0/176 dead transitions. [2024-06-03 22:41:31,997 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 176 transitions, 1761 flow [2024-06-03 22:41:31,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 171 transitions. [2024-06-03 22:41:31,999 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:41:31,999 INFO L175 Difference]: Start difference. First operand has 126 places, 146 transitions, 1309 flow. Second operand 9 states and 171 transitions. [2024-06-03 22:41:31,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 176 transitions, 1761 flow [2024-06-03 22:41:32,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 176 transitions, 1669 flow, removed 6 selfloop flow, removed 7 redundant places. [2024-06-03 22:41:32,035 INFO L231 Difference]: Finished difference. Result has 128 places, 148 transitions, 1390 flow [2024-06-03 22:41:32,035 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1217, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1390, PETRI_PLACES=128, PETRI_TRANSITIONS=148} [2024-06-03 22:41:32,036 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 85 predicate places. [2024-06-03 22:41:32,036 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 148 transitions, 1390 flow [2024-06-03 22:41:32,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:32,036 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:32,036 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:41:32,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-06-03 22:41:32,037 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)] === [2024-06-03 22:41:32,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:32,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1237471124, now seen corresponding path program 4 times [2024-06-03 22:41:32,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:32,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512822088] [2024-06-03 22:41:32,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:32,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:43,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:41:43,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:43,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512822088] [2024-06-03 22:41:43,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512822088] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:43,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:43,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:43,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032634893] [2024-06-03 22:41:43,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:43,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:43,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:43,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:43,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:43,997 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:41:43,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 148 transitions, 1390 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:43,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:43,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:41:43,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:45,255 INFO L124 PetriNetUnfolderBase]: 1650/2565 cut-off events. [2024-06-03 22:41:45,255 INFO L125 PetriNetUnfolderBase]: For 59513/59513 co-relation queries the response was YES. [2024-06-03 22:41:45,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16501 conditions, 2565 events. 1650/2565 cut-off events. For 59513/59513 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 13007 event pairs, 482 based on Foata normal form. 24/2584 useless extension candidates. Maximal degree in co-relation 16440. Up to 2206 conditions per place. [2024-06-03 22:41:45,273 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 133 selfloop transitions, 45 changer transitions 0/183 dead transitions. [2024-06-03 22:41:45,274 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 183 transitions, 1913 flow [2024-06-03 22:41:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:45,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 175 transitions. [2024-06-03 22:41:45,277 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46296296296296297 [2024-06-03 22:41:45,277 INFO L175 Difference]: Start difference. First operand has 128 places, 148 transitions, 1390 flow. Second operand 9 states and 175 transitions. [2024-06-03 22:41:45,277 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 183 transitions, 1913 flow [2024-06-03 22:41:45,304 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 183 transitions, 1758 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-06-03 22:41:45,306 INFO L231 Difference]: Finished difference. Result has 130 places, 150 transitions, 1381 flow [2024-06-03 22:41:45,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1235, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1381, PETRI_PLACES=130, PETRI_TRANSITIONS=150} [2024-06-03 22:41:45,307 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 87 predicate places. [2024-06-03 22:41:45,307 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 150 transitions, 1381 flow [2024-06-03 22:41:45,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:45,307 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:45,307 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:41:45,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-06-03 22:41:45,307 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)] === [2024-06-03 22:41:45,308 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:45,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1227947924, now seen corresponding path program 5 times [2024-06-03 22:41:45,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:45,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93243530] [2024-06-03 22:41:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:41:56,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:56,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93243530] [2024-06-03 22:41:56,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93243530] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:56,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:56,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:56,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855443397] [2024-06-03 22:41:56,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:56,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:56,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:56,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:56,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:56,579 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:41:56,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 150 transitions, 1381 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:56,580 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:56,580 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:41:56,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:57,929 INFO L124 PetriNetUnfolderBase]: 1810/2837 cut-off events. [2024-06-03 22:41:57,929 INFO L125 PetriNetUnfolderBase]: For 64888/64888 co-relation queries the response was YES. [2024-06-03 22:41:57,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18342 conditions, 2837 events. 1810/2837 cut-off events. For 64888/64888 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 14944 event pairs, 501 based on Foata normal form. 4/2836 useless extension candidates. Maximal degree in co-relation 18280. Up to 2137 conditions per place. [2024-06-03 22:41:57,949 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 112 selfloop transitions, 72 changer transitions 0/189 dead transitions. [2024-06-03 22:41:57,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 189 transitions, 2070 flow [2024-06-03 22:41:57,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 177 transitions. [2024-06-03 22:41:57,952 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46825396825396826 [2024-06-03 22:41:57,952 INFO L175 Difference]: Start difference. First operand has 130 places, 150 transitions, 1381 flow. Second operand 9 states and 177 transitions. [2024-06-03 22:41:57,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 189 transitions, 2070 flow [2024-06-03 22:41:57,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 189 transitions, 1955 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-06-03 22:41:57,995 INFO L231 Difference]: Finished difference. Result has 133 places, 155 transitions, 1562 flow [2024-06-03 22:41:57,995 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1277, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1562, PETRI_PLACES=133, PETRI_TRANSITIONS=155} [2024-06-03 22:41:57,995 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 90 predicate places. [2024-06-03 22:41:57,995 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 155 transitions, 1562 flow [2024-06-03 22:41:57,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:41:57,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:57,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:41:57,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-06-03 22:41:57,996 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:57,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:57,996 INFO L85 PathProgramCache]: Analyzing trace with hash 609593884, now seen corresponding path program 1 times [2024-06-03 22:41:57,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:57,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160921873] [2024-06-03 22:41:57,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:42:09,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:09,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160921873] [2024-06-03 22:42:09,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160921873] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:09,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:09,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:09,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387949946] [2024-06-03 22:42:09,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:09,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:09,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:09,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:09,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:09,206 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:42:09,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 155 transitions, 1562 flow. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:09,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:09,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:42:09,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:10,539 INFO L124 PetriNetUnfolderBase]: 1742/2778 cut-off events. [2024-06-03 22:42:10,539 INFO L125 PetriNetUnfolderBase]: For 69505/69567 co-relation queries the response was YES. [2024-06-03 22:42:10,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18213 conditions, 2778 events. 1742/2778 cut-off events. For 69505/69567 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 14959 event pairs, 359 based on Foata normal form. 10/2752 useless extension candidates. Maximal degree in co-relation 18149. Up to 2469 conditions per place. [2024-06-03 22:42:10,558 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 125 selfloop transitions, 22 changer transitions 0/187 dead transitions. [2024-06-03 22:42:10,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 187 transitions, 1958 flow [2024-06-03 22:42:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:42:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:42:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 160 transitions. [2024-06-03 22:42:10,561 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-03 22:42:10,561 INFO L175 Difference]: Start difference. First operand has 133 places, 155 transitions, 1562 flow. Second operand 8 states and 160 transitions. [2024-06-03 22:42:10,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 187 transitions, 1958 flow [2024-06-03 22:42:10,600 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 187 transitions, 1840 flow, removed 22 selfloop flow, removed 5 redundant places. [2024-06-03 22:42:10,603 INFO L231 Difference]: Finished difference. Result has 136 places, 157 transitions, 1521 flow [2024-06-03 22:42:10,603 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1444, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1521, PETRI_PLACES=136, PETRI_TRANSITIONS=157} [2024-06-03 22:42:10,604 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 93 predicate places. [2024-06-03 22:42:10,604 INFO L495 AbstractCegarLoop]: Abstraction has has 136 places, 157 transitions, 1521 flow [2024-06-03 22:42:10,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:10,604 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:10,605 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:42:10,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-06-03 22:42:10,605 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:10,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash 176291554, now seen corresponding path program 2 times [2024-06-03 22:42:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706492104] [2024-06-03 22:42:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:10,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:42:20,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:20,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706492104] [2024-06-03 22:42:20,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706492104] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:20,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:20,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078649678] [2024-06-03 22:42:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:20,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:20,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:21,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:42:21,050 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 157 transitions, 1521 flow. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:21,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:21,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:42:21,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:22,483 INFO L124 PetriNetUnfolderBase]: 1759/2807 cut-off events. [2024-06-03 22:42:22,483 INFO L125 PetriNetUnfolderBase]: For 73629/73680 co-relation queries the response was YES. [2024-06-03 22:42:22,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18587 conditions, 2807 events. 1759/2807 cut-off events. For 73629/73680 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 15146 event pairs, 466 based on Foata normal form. 8/2777 useless extension candidates. Maximal degree in co-relation 18521. Up to 2520 conditions per place. [2024-06-03 22:42:22,504 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 123 selfloop transitions, 25 changer transitions 0/188 dead transitions. [2024-06-03 22:42:22,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 188 transitions, 1921 flow [2024-06-03 22:42:22,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:42:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:42:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 160 transitions. [2024-06-03 22:42:22,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-06-03 22:42:22,507 INFO L175 Difference]: Start difference. First operand has 136 places, 157 transitions, 1521 flow. Second operand 8 states and 160 transitions. [2024-06-03 22:42:22,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 188 transitions, 1921 flow [2024-06-03 22:42:22,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 188 transitions, 1862 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-06-03 22:42:22,555 INFO L231 Difference]: Finished difference. Result has 138 places, 159 transitions, 1550 flow [2024-06-03 22:42:22,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1462, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1550, PETRI_PLACES=138, PETRI_TRANSITIONS=159} [2024-06-03 22:42:22,556 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 95 predicate places. [2024-06-03 22:42:22,556 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 159 transitions, 1550 flow [2024-06-03 22:42:22,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:22,557 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:22,557 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:42:22,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-06-03 22:42:22,557 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:22,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:22,557 INFO L85 PathProgramCache]: Analyzing trace with hash 179093024, now seen corresponding path program 1 times [2024-06-03 22:42:22,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:22,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615389880] [2024-06-03 22:42:22,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:22,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:42:34,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:34,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615389880] [2024-06-03 22:42:34,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615389880] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:34,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:34,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:42:34,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787120559] [2024-06-03 22:42:34,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:34,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:42:34,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:34,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:42:34,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:42:35,017 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:42:35,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 159 transitions, 1550 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:42:35,018 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:35,018 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:42:35,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:36,506 INFO L124 PetriNetUnfolderBase]: 1871/2940 cut-off events. [2024-06-03 22:42:36,507 INFO L125 PetriNetUnfolderBase]: For 78028/78028 co-relation queries the response was YES. [2024-06-03 22:42:36,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19840 conditions, 2940 events. 1871/2940 cut-off events. For 78028/78028 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 15506 event pairs, 484 based on Foata normal form. 2/2940 useless extension candidates. Maximal degree in co-relation 19773. Up to 2804 conditions per place. [2024-06-03 22:42:36,528 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 168 selfloop transitions, 21 changer transitions 0/194 dead transitions. [2024-06-03 22:42:36,528 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 194 transitions, 2076 flow [2024-06-03 22:42:36,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:42:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:42:36,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-03 22:42:36,531 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-03 22:42:36,531 INFO L175 Difference]: Start difference. First operand has 138 places, 159 transitions, 1550 flow. Second operand 9 states and 170 transitions. [2024-06-03 22:42:36,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 194 transitions, 2076 flow [2024-06-03 22:42:36,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 194 transitions, 2008 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-06-03 22:42:36,589 INFO L231 Difference]: Finished difference. Result has 141 places, 162 transitions, 1600 flow [2024-06-03 22:42:36,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1482, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1600, PETRI_PLACES=141, PETRI_TRANSITIONS=162} [2024-06-03 22:42:36,591 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 98 predicate places. [2024-06-03 22:42:36,591 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 162 transitions, 1600 flow [2024-06-03 22:42:36,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:42:36,591 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:36,591 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:42:36,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-06-03 22:42:36,592 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:36,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:36,592 INFO L85 PathProgramCache]: Analyzing trace with hash 460018368, now seen corresponding path program 3 times [2024-06-03 22:42:36,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:36,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010157767] [2024-06-03 22:42:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:36,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:42:47,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:47,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010157767] [2024-06-03 22:42:47,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010157767] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:47,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:47,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:47,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135971834] [2024-06-03 22:42:47,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:47,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:47,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:47,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:47,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:42:47,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 162 transitions, 1600 flow. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:47,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:47,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:42:47,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:48,806 INFO L124 PetriNetUnfolderBase]: 1787/2857 cut-off events. [2024-06-03 22:42:48,807 INFO L125 PetriNetUnfolderBase]: For 86542/86597 co-relation queries the response was YES. [2024-06-03 22:42:48,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19653 conditions, 2857 events. 1787/2857 cut-off events. For 86542/86597 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 15518 event pairs, 448 based on Foata normal form. 8/2825 useless extension candidates. Maximal degree in co-relation 19585. Up to 2567 conditions per place. [2024-06-03 22:42:48,825 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 127 selfloop transitions, 25 changer transitions 0/193 dead transitions. [2024-06-03 22:42:48,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 193 transitions, 2040 flow [2024-06-03 22:42:48,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:42:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:42:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2024-06-03 22:42:48,826 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46726190476190477 [2024-06-03 22:42:48,826 INFO L175 Difference]: Start difference. First operand has 141 places, 162 transitions, 1600 flow. Second operand 8 states and 157 transitions. [2024-06-03 22:42:48,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 193 transitions, 2040 flow [2024-06-03 22:42:48,870 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 193 transitions, 1946 flow, removed 28 selfloop flow, removed 7 redundant places. [2024-06-03 22:42:48,872 INFO L231 Difference]: Finished difference. Result has 143 places, 167 transitions, 1645 flow [2024-06-03 22:42:48,872 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1506, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1645, PETRI_PLACES=143, PETRI_TRANSITIONS=167} [2024-06-03 22:42:48,873 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 100 predicate places. [2024-06-03 22:42:48,873 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 167 transitions, 1645 flow [2024-06-03 22:42:48,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:48,873 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:48,873 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:42:48,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-06-03 22:42:48,873 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:48,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:48,874 INFO L85 PathProgramCache]: Analyzing trace with hash 961838410, now seen corresponding path program 2 times [2024-06-03 22:42:48,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:48,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160900766] [2024-06-03 22:42:48,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:48,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:01,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:43:01,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:01,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160900766] [2024-06-03 22:43:01,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160900766] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:01,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:01,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:43:01,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030974067] [2024-06-03 22:43:01,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:01,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:43:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:01,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:43:01,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:43:01,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:43:01,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 167 transitions, 1645 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:43:01,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:01,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:43:01,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:02,853 INFO L124 PetriNetUnfolderBase]: 1907/3000 cut-off events. [2024-06-03 22:43:02,854 INFO L125 PetriNetUnfolderBase]: For 91554/91554 co-relation queries the response was YES. [2024-06-03 22:43:02,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21036 conditions, 3000 events. 1907/3000 cut-off events. For 91554/91554 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 15895 event pairs, 486 based on Foata normal form. 2/3000 useless extension candidates. Maximal degree in co-relation 20966. Up to 2791 conditions per place. [2024-06-03 22:43:02,873 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 161 selfloop transitions, 40 changer transitions 0/206 dead transitions. [2024-06-03 22:43:02,873 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 206 transitions, 2211 flow [2024-06-03 22:43:02,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:43:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:43:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 190 transitions. [2024-06-03 22:43:02,875 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:43:02,876 INFO L175 Difference]: Start difference. First operand has 143 places, 167 transitions, 1645 flow. Second operand 10 states and 190 transitions. [2024-06-03 22:43:02,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 206 transitions, 2211 flow [2024-06-03 22:43:02,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 206 transitions, 2125 flow, removed 22 selfloop flow, removed 5 redundant places. [2024-06-03 22:43:02,933 INFO L231 Difference]: Finished difference. Result has 148 places, 170 transitions, 1721 flow [2024-06-03 22:43:02,933 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1559, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=167, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1721, PETRI_PLACES=148, PETRI_TRANSITIONS=170} [2024-06-03 22:43:02,935 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 105 predicate places. [2024-06-03 22:43:02,935 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 170 transitions, 1721 flow [2024-06-03 22:43:02,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:43:02,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:02,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:43:02,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-06-03 22:43:02,935 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:02,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:02,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1711060988, now seen corresponding path program 1 times [2024-06-03 22:43:02,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:02,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207864271] [2024-06-03 22:43:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:19,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:43:19,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:19,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207864271] [2024-06-03 22:43:19,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207864271] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:19,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:19,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:19,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974998761] [2024-06-03 22:43:19,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:19,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:19,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:19,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:20,111 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:43:20,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 170 transitions, 1721 flow. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 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) [2024-06-03 22:43:20,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:20,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:43:20,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:21,463 INFO L124 PetriNetUnfolderBase]: 1927/3036 cut-off events. [2024-06-03 22:43:21,464 INFO L125 PetriNetUnfolderBase]: For 98588/98588 co-relation queries the response was YES. [2024-06-03 22:43:21,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21725 conditions, 3036 events. 1927/3036 cut-off events. For 98588/98588 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 16152 event pairs, 487 based on Foata normal form. 4/3038 useless extension candidates. Maximal degree in co-relation 21654. Up to 2855 conditions per place. [2024-06-03 22:43:21,484 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 164 selfloop transitions, 26 changer transitions 0/195 dead transitions. [2024-06-03 22:43:21,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 195 transitions, 2339 flow [2024-06-03 22:43:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:43:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:43:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-06-03 22:43:21,486 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48412698412698413 [2024-06-03 22:43:21,486 INFO L175 Difference]: Start difference. First operand has 148 places, 170 transitions, 1721 flow. Second operand 6 states and 122 transitions. [2024-06-03 22:43:21,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 195 transitions, 2339 flow [2024-06-03 22:43:21,537 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 195 transitions, 2201 flow, removed 31 selfloop flow, removed 8 redundant places. [2024-06-03 22:43:21,540 INFO L231 Difference]: Finished difference. Result has 146 places, 176 transitions, 1732 flow [2024-06-03 22:43:21,540 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1583, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1732, PETRI_PLACES=146, PETRI_TRANSITIONS=176} [2024-06-03 22:43:21,541 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 103 predicate places. [2024-06-03 22:43:21,541 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 176 transitions, 1732 flow [2024-06-03 22:43:21,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 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) [2024-06-03 22:43:21,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:21,541 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:43:21,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-06-03 22:43:21,541 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)] === [2024-06-03 22:43:21,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:21,542 INFO L85 PathProgramCache]: Analyzing trace with hash 924840264, now seen corresponding path program 4 times [2024-06-03 22:43:21,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:21,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840627967] [2024-06-03 22:43:21,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:21,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:43:30,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:30,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840627967] [2024-06-03 22:43:30,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840627967] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:30,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:30,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:30,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838001907] [2024-06-03 22:43:30,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:30,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:30,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:30,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:30,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:31,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:43:31,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 176 transitions, 1732 flow. Second operand has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:31,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:31,037 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:43:31,037 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:32,342 INFO L124 PetriNetUnfolderBase]: 1808/2891 cut-off events. [2024-06-03 22:43:32,342 INFO L125 PetriNetUnfolderBase]: For 104515/104574 co-relation queries the response was YES. [2024-06-03 22:43:32,353 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20856 conditions, 2891 events. 1808/2891 cut-off events. For 104515/104574 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 15814 event pairs, 451 based on Foata normal form. 8/2856 useless extension candidates. Maximal degree in co-relation 20784. Up to 2562 conditions per place. [2024-06-03 22:43:32,363 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 128 selfloop transitions, 35 changer transitions 0/205 dead transitions. [2024-06-03 22:43:32,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 205 transitions, 2190 flow [2024-06-03 22:43:32,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 157 transitions. [2024-06-03 22:43:32,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46726190476190477 [2024-06-03 22:43:32,365 INFO L175 Difference]: Start difference. First operand has 146 places, 176 transitions, 1732 flow. Second operand 8 states and 157 transitions. [2024-06-03 22:43:32,365 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 205 transitions, 2190 flow [2024-06-03 22:43:32,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 205 transitions, 2149 flow, removed 14 selfloop flow, removed 2 redundant places. [2024-06-03 22:43:32,428 INFO L231 Difference]: Finished difference. Result has 153 places, 181 transitions, 1852 flow [2024-06-03 22:43:32,428 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1691, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1852, PETRI_PLACES=153, PETRI_TRANSITIONS=181} [2024-06-03 22:43:32,428 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 110 predicate places. [2024-06-03 22:43:32,428 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 181 transitions, 1852 flow [2024-06-03 22:43:32,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.444444444444445) internal successors, (112), 9 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:32,429 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:32,429 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:43:32,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-06-03 22:43:32,429 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)] === [2024-06-03 22:43:32,430 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:32,430 INFO L85 PathProgramCache]: Analyzing trace with hash 931511464, now seen corresponding path program 3 times [2024-06-03 22:43:32,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:32,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268535624] [2024-06-03 22:43:32,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:32,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:43:44,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:44,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268535624] [2024-06-03 22:43:44,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268535624] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:44,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:44,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:43:44,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240058487] [2024-06-03 22:43:44,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:44,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:43:44,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:44,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:43:44,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:43:45,115 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:43:45,116 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 181 transitions, 1852 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:43:45,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:45,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:43:45,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:46,563 INFO L124 PetriNetUnfolderBase]: 1925/3034 cut-off events. [2024-06-03 22:43:46,563 INFO L125 PetriNetUnfolderBase]: For 108243/108243 co-relation queries the response was YES. [2024-06-03 22:43:46,575 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22319 conditions, 3034 events. 1925/3034 cut-off events. For 108243/108243 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 16284 event pairs, 485 based on Foata normal form. 2/3032 useless extension candidates. Maximal degree in co-relation 22244. Up to 2781 conditions per place. [2024-06-03 22:43:46,586 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 163 selfloop transitions, 44 changer transitions 0/212 dead transitions. [2024-06-03 22:43:46,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 212 transitions, 2419 flow [2024-06-03 22:43:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:43:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:43:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 172 transitions. [2024-06-03 22:43:46,590 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.455026455026455 [2024-06-03 22:43:46,590 INFO L175 Difference]: Start difference. First operand has 153 places, 181 transitions, 1852 flow. Second operand 9 states and 172 transitions. [2024-06-03 22:43:46,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 212 transitions, 2419 flow [2024-06-03 22:43:46,654 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 212 transitions, 2301 flow, removed 26 selfloop flow, removed 6 redundant places. [2024-06-03 22:43:46,656 INFO L231 Difference]: Finished difference. Result has 156 places, 184 transitions, 1912 flow [2024-06-03 22:43:46,656 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1734, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1912, PETRI_PLACES=156, PETRI_TRANSITIONS=184} [2024-06-03 22:43:46,657 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 113 predicate places. [2024-06-03 22:43:46,657 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 184 transitions, 1912 flow [2024-06-03 22:43:46,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:43:46,657 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:46,657 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:43:46,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-06-03 22:43:46,657 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:46,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash 578192552, now seen corresponding path program 4 times [2024-06-03 22:43:46,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:46,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230425161] [2024-06-03 22:43:46,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:46,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:43:58,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:58,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230425161] [2024-06-03 22:43:58,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230425161] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:58,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:58,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:43:58,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498117155] [2024-06-03 22:43:58,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:58,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:43:58,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:58,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:43:58,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:43:58,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:43:58,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 184 transitions, 1912 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:43:58,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:58,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:43:58,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:00,287 INFO L124 PetriNetUnfolderBase]: 1920/3027 cut-off events. [2024-06-03 22:44:00,287 INFO L125 PetriNetUnfolderBase]: For 115974/115974 co-relation queries the response was YES. [2024-06-03 22:44:00,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22595 conditions, 3027 events. 1920/3027 cut-off events. For 115974/115974 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 16251 event pairs, 485 based on Foata normal form. 2/3025 useless extension candidates. Maximal degree in co-relation 22520. Up to 2697 conditions per place. [2024-06-03 22:44:00,309 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 149 selfloop transitions, 69 changer transitions 0/223 dead transitions. [2024-06-03 22:44:00,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 223 transitions, 2527 flow [2024-06-03 22:44:00,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-06-03 22:44:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-06-03 22:44:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 206 transitions. [2024-06-03 22:44:00,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4458874458874459 [2024-06-03 22:44:00,312 INFO L175 Difference]: Start difference. First operand has 156 places, 184 transitions, 1912 flow. Second operand 11 states and 206 transitions. [2024-06-03 22:44:00,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 223 transitions, 2527 flow [2024-06-03 22:44:00,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 223 transitions, 2373 flow, removed 35 selfloop flow, removed 7 redundant places. [2024-06-03 22:44:00,382 INFO L231 Difference]: Finished difference. Result has 161 places, 188 transitions, 2006 flow [2024-06-03 22:44:00,382 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1758, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2006, PETRI_PLACES=161, PETRI_TRANSITIONS=188} [2024-06-03 22:44:00,382 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 118 predicate places. [2024-06-03 22:44:00,382 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 188 transitions, 2006 flow [2024-06-03 22:44:00,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:44:00,383 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:00,383 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:44:00,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-06-03 22:44:00,383 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)] === [2024-06-03 22:44:00,383 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1487501922, now seen corresponding path program 2 times [2024-06-03 22:44:00,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:00,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416387776] [2024-06-03 22:44:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:18,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:44:18,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:18,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416387776] [2024-06-03 22:44:18,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416387776] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:18,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:18,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:44:18,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154107206] [2024-06-03 22:44:18,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:18,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:44:18,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:18,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:44:18,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:44:18,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:44:18,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 188 transitions, 2006 flow. Second operand has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 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) [2024-06-03 22:44:18,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:18,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:44:18,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:19,761 INFO L124 PetriNetUnfolderBase]: 1908/3015 cut-off events. [2024-06-03 22:44:19,762 INFO L125 PetriNetUnfolderBase]: For 121009/121009 co-relation queries the response was YES. [2024-06-03 22:44:19,772 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22856 conditions, 3015 events. 1908/3015 cut-off events. For 121009/121009 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 16175 event pairs, 480 based on Foata normal form. 4/3017 useless extension candidates. Maximal degree in co-relation 22779. Up to 2853 conditions per place. [2024-06-03 22:44:19,782 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 175 selfloop transitions, 23 changer transitions 0/203 dead transitions. [2024-06-03 22:44:19,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 203 transitions, 2468 flow [2024-06-03 22:44:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:44:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:44:19,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2024-06-03 22:44:19,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-06-03 22:44:19,784 INFO L175 Difference]: Start difference. First operand has 161 places, 188 transitions, 2006 flow. Second operand 5 states and 105 transitions. [2024-06-03 22:44:19,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 203 transitions, 2468 flow [2024-06-03 22:44:19,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 157 places, 203 transitions, 2233 flow, removed 52 selfloop flow, removed 8 redundant places. [2024-06-03 22:44:19,867 INFO L231 Difference]: Finished difference. Result has 158 places, 188 transitions, 1835 flow [2024-06-03 22:44:19,867 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1771, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1835, PETRI_PLACES=158, PETRI_TRANSITIONS=188} [2024-06-03 22:44:19,868 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 115 predicate places. [2024-06-03 22:44:19,868 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 188 transitions, 1835 flow [2024-06-03 22:44:19,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.875) internal successors, (95), 8 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) [2024-06-03 22:44:19,868 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:19,868 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:44:19,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-06-03 22:44:19,869 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:19,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:19,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1563297470, now seen corresponding path program 1 times [2024-06-03 22:44:19,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:19,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307031216] [2024-06-03 22:44:19,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:44:33,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:33,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307031216] [2024-06-03 22:44:33,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307031216] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:33,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:44:33,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116327141] [2024-06-03 22:44:33,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:33,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:44:33,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:33,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:44:33,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:44:33,479 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:44:33,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 188 transitions, 1835 flow. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 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) [2024-06-03 22:44:33,480 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:33,480 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:44:33,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:34,843 INFO L124 PetriNetUnfolderBase]: 1859/2971 cut-off events. [2024-06-03 22:44:34,843 INFO L125 PetriNetUnfolderBase]: For 123812/123868 co-relation queries the response was YES. [2024-06-03 22:44:34,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22449 conditions, 2971 events. 1859/2971 cut-off events. For 123812/123868 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 16108 event pairs, 451 based on Foata normal form. 3/2968 useless extension candidates. Maximal degree in co-relation 22371. Up to 2734 conditions per place. [2024-06-03 22:44:34,866 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 167 selfloop transitions, 27 changer transitions 0/214 dead transitions. [2024-06-03 22:44:34,866 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 214 transitions, 2405 flow [2024-06-03 22:44:34,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:34,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 153 transitions. [2024-06-03 22:44:34,871 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45535714285714285 [2024-06-03 22:44:34,871 INFO L175 Difference]: Start difference. First operand has 158 places, 188 transitions, 1835 flow. Second operand 8 states and 153 transitions. [2024-06-03 22:44:34,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 214 transitions, 2405 flow [2024-06-03 22:44:34,952 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 214 transitions, 2359 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-03 22:44:34,954 INFO L231 Difference]: Finished difference. Result has 162 places, 194 transitions, 1915 flow [2024-06-03 22:44:34,954 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1789, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1915, PETRI_PLACES=162, PETRI_TRANSITIONS=194} [2024-06-03 22:44:34,955 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 119 predicate places. [2024-06-03 22:44:34,955 INFO L495 AbstractCegarLoop]: Abstraction has has 162 places, 194 transitions, 1915 flow [2024-06-03 22:44:34,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 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) [2024-06-03 22:44:34,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:34,955 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:44:34,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-06-03 22:44:34,955 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:34,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:34,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1664863834, now seen corresponding path program 2 times [2024-06-03 22:44:34,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:34,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999124019] [2024-06-03 22:44:34,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:34,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:48,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:44:48,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:48,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999124019] [2024-06-03 22:44:48,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999124019] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:48,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:48,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:44:48,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910999997] [2024-06-03 22:44:48,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:48,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:44:48,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:48,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:44:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:44:48,663 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:44:48,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 194 transitions, 1915 flow. Second operand has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 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) [2024-06-03 22:44:48,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:48,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:44:48,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:49,952 INFO L124 PetriNetUnfolderBase]: 1850/2958 cut-off events. [2024-06-03 22:44:49,953 INFO L125 PetriNetUnfolderBase]: For 127943/127999 co-relation queries the response was YES. [2024-06-03 22:44:49,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22698 conditions, 2958 events. 1850/2958 cut-off events. For 127943/127999 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 16060 event pairs, 452 based on Foata normal form. 3/2952 useless extension candidates. Maximal degree in co-relation 22619. Up to 2733 conditions per place. [2024-06-03 22:44:49,978 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 167 selfloop transitions, 23 changer transitions 0/210 dead transitions. [2024-06-03 22:44:49,979 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 210 transitions, 2339 flow [2024-06-03 22:44:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:44:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:44:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-06-03 22:44:49,980 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48412698412698413 [2024-06-03 22:44:49,980 INFO L175 Difference]: Start difference. First operand has 162 places, 194 transitions, 1915 flow. Second operand 6 states and 122 transitions. [2024-06-03 22:44:49,980 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 210 transitions, 2339 flow [2024-06-03 22:44:50,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 210 transitions, 2271 flow, removed 23 selfloop flow, removed 4 redundant places. [2024-06-03 22:44:50,079 INFO L231 Difference]: Finished difference. Result has 164 places, 194 transitions, 1904 flow [2024-06-03 22:44:50,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1847, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1904, PETRI_PLACES=164, PETRI_TRANSITIONS=194} [2024-06-03 22:44:50,079 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 121 predicate places. [2024-06-03 22:44:50,079 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 194 transitions, 1904 flow [2024-06-03 22:44:50,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.666666666666666) internal successors, (114), 9 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) [2024-06-03 22:44:50,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:50,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:44:50,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-06-03 22:44:50,080 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:50,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash 392334268, now seen corresponding path program 1 times [2024-06-03 22:44:50,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:50,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90213663] [2024-06-03 22:44:50,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:50,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:06,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:45:06,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:06,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90213663] [2024-06-03 22:45:06,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90213663] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:06,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:06,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:45:06,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683374399] [2024-06-03 22:45:06,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:06,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:45:06,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:06,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:45:06,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:45:06,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:45:06,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 194 transitions, 1904 flow. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 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) [2024-06-03 22:45:06,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:06,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:45:06,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:07,390 INFO L124 PetriNetUnfolderBase]: 1917/3024 cut-off events. [2024-06-03 22:45:07,390 INFO L125 PetriNetUnfolderBase]: For 129823/129823 co-relation queries the response was YES. [2024-06-03 22:45:07,402 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23159 conditions, 3024 events. 1917/3024 cut-off events. For 129823/129823 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 16124 event pairs, 481 based on Foata normal form. 2/3024 useless extension candidates. Maximal degree in co-relation 23079. Up to 2916 conditions per place. [2024-06-03 22:45:07,413 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 185 selfloop transitions, 14 changer transitions 0/204 dead transitions. [2024-06-03 22:45:07,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 204 transitions, 2348 flow [2024-06-03 22:45:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:45:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:45:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2024-06-03 22:45:07,416 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:45:07,417 INFO L175 Difference]: Start difference. First operand has 164 places, 194 transitions, 1904 flow. Second operand 5 states and 95 transitions. [2024-06-03 22:45:07,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 204 transitions, 2348 flow [2024-06-03 22:45:07,513 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 204 transitions, 2302 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-03 22:45:07,516 INFO L231 Difference]: Finished difference. Result has 164 places, 196 transitions, 1921 flow [2024-06-03 22:45:07,516 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1858, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1921, PETRI_PLACES=164, PETRI_TRANSITIONS=196} [2024-06-03 22:45:07,517 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 121 predicate places. [2024-06-03 22:45:07,517 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 196 transitions, 1921 flow [2024-06-03 22:45:07,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 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) [2024-06-03 22:45:07,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:07,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:45:07,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-06-03 22:45:07,517 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:07,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:07,518 INFO L85 PathProgramCache]: Analyzing trace with hash 375198773, now seen corresponding path program 1 times [2024-06-03 22:45:07,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:07,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24728188] [2024-06-03 22:45:07,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:07,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:45:17,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:17,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24728188] [2024-06-03 22:45:17,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24728188] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:17,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:17,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:45:17,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768435874] [2024-06-03 22:45:17,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:17,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:45:17,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:45:17,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:45:17,918 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:45:17,918 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 196 transitions, 1921 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:17,918 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:17,918 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:45:17,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:19,414 INFO L124 PetriNetUnfolderBase]: 1934/3051 cut-off events. [2024-06-03 22:45:19,415 INFO L125 PetriNetUnfolderBase]: For 137468/137468 co-relation queries the response was YES. [2024-06-03 22:45:19,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23552 conditions, 3051 events. 1934/3051 cut-off events. For 137468/137468 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 16376 event pairs, 315 based on Foata normal form. 4/3053 useless extension candidates. Maximal degree in co-relation 23471. Up to 2852 conditions per place. [2024-06-03 22:45:19,437 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 214 selfloop transitions, 18 changer transitions 0/237 dead transitions. [2024-06-03 22:45:19,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 237 transitions, 2607 flow [2024-06-03 22:45:19,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:45:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:45:19,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-03 22:45:19,445 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-03 22:45:19,445 INFO L175 Difference]: Start difference. First operand has 164 places, 196 transitions, 1921 flow. Second operand 9 states and 170 transitions. [2024-06-03 22:45:19,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 237 transitions, 2607 flow [2024-06-03 22:45:19,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 237 transitions, 2560 flow, removed 11 selfloop flow, removed 3 redundant places. [2024-06-03 22:45:19,536 INFO L231 Difference]: Finished difference. Result has 172 places, 202 transitions, 2061 flow [2024-06-03 22:45:19,536 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1874, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2061, PETRI_PLACES=172, PETRI_TRANSITIONS=202} [2024-06-03 22:45:19,537 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 129 predicate places. [2024-06-03 22:45:19,537 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 202 transitions, 2061 flow [2024-06-03 22:45:19,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:19,537 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:19,537 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:45:19,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-06-03 22:45:19,538 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:19,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:19,538 INFO L85 PathProgramCache]: Analyzing trace with hash 379008053, now seen corresponding path program 2 times [2024-06-03 22:45:19,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:19,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510094679] [2024-06-03 22:45:19,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:19,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:45:30,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:30,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510094679] [2024-06-03 22:45:30,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510094679] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:30,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:30,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:45:30,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645362947] [2024-06-03 22:45:30,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:30,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:45:30,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:30,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:45:30,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:45:30,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:45:30,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 202 transitions, 2061 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:30,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:30,662 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:45:30,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:32,267 INFO L124 PetriNetUnfolderBase]: 1951/3078 cut-off events. [2024-06-03 22:45:32,268 INFO L125 PetriNetUnfolderBase]: For 144888/144888 co-relation queries the response was YES. [2024-06-03 22:45:32,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24115 conditions, 3078 events. 1951/3078 cut-off events. For 144888/144888 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 16502 event pairs, 439 based on Foata normal form. 4/3080 useless extension candidates. Maximal degree in co-relation 24031. Up to 2919 conditions per place. [2024-06-03 22:45:32,292 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 212 selfloop transitions, 20 changer transitions 0/237 dead transitions. [2024-06-03 22:45:32,293 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 237 transitions, 2665 flow [2024-06-03 22:45:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:45:32,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:45:32,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-03 22:45:32,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-03 22:45:32,296 INFO L175 Difference]: Start difference. First operand has 172 places, 202 transitions, 2061 flow. Second operand 9 states and 170 transitions. [2024-06-03 22:45:32,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 237 transitions, 2665 flow [2024-06-03 22:45:32,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 237 transitions, 2537 flow, removed 56 selfloop flow, removed 4 redundant places. [2024-06-03 22:45:32,412 INFO L231 Difference]: Finished difference. Result has 177 places, 204 transitions, 2036 flow [2024-06-03 22:45:32,412 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1933, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2036, PETRI_PLACES=177, PETRI_TRANSITIONS=204} [2024-06-03 22:45:32,413 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 134 predicate places. [2024-06-03 22:45:32,413 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 204 transitions, 2036 flow [2024-06-03 22:45:32,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:32,414 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:32,414 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:45:32,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-06-03 22:45:32,414 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:32,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:32,415 INFO L85 PathProgramCache]: Analyzing trace with hash -313914851, now seen corresponding path program 3 times [2024-06-03 22:45:32,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:32,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044539748] [2024-06-03 22:45:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:32,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:45:44,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:44,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044539748] [2024-06-03 22:45:44,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044539748] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:44,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:44,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:45:44,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082556842] [2024-06-03 22:45:44,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:44,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:45:44,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:44,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:45:44,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:45:44,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:45:44,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 204 transitions, 2036 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:44,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:44,591 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:45:44,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:46,159 INFO L124 PetriNetUnfolderBase]: 1968/3105 cut-off events. [2024-06-03 22:45:46,159 INFO L125 PetriNetUnfolderBase]: For 152182/152182 co-relation queries the response was YES. [2024-06-03 22:45:46,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24458 conditions, 3105 events. 1968/3105 cut-off events. For 152182/152182 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 16681 event pairs, 432 based on Foata normal form. 4/3107 useless extension candidates. Maximal degree in co-relation 24372. Up to 2905 conditions per place. [2024-06-03 22:45:46,181 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 214 selfloop transitions, 23 changer transitions 0/242 dead transitions. [2024-06-03 22:45:46,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 185 places, 242 transitions, 2700 flow [2024-06-03 22:45:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:45:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:45:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 172 transitions. [2024-06-03 22:45:46,184 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.455026455026455 [2024-06-03 22:45:46,184 INFO L175 Difference]: Start difference. First operand has 177 places, 204 transitions, 2036 flow. Second operand 9 states and 172 transitions. [2024-06-03 22:45:46,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 185 places, 242 transitions, 2700 flow [2024-06-03 22:45:46,280 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 242 transitions, 2615 flow, removed 24 selfloop flow, removed 7 redundant places. [2024-06-03 22:45:46,283 INFO L231 Difference]: Finished difference. Result has 180 places, 208 transitions, 2116 flow [2024-06-03 22:45:46,283 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1951, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2116, PETRI_PLACES=180, PETRI_TRANSITIONS=208} [2024-06-03 22:45:46,283 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 137 predicate places. [2024-06-03 22:45:46,284 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 208 transitions, 2116 flow [2024-06-03 22:45:46,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:45:46,284 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:46,284 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:45:46,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-06-03 22:45:46,284 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:46,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:46,285 INFO L85 PathProgramCache]: Analyzing trace with hash -313761029, now seen corresponding path program 1 times [2024-06-03 22:45:46,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:46,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915583361] [2024-06-03 22:45:46,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:45:57,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:57,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915583361] [2024-06-03 22:45:57,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915583361] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:57,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:57,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:45:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117012312] [2024-06-03 22:45:57,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:57,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:45:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:45:57,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:45:57,339 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:45:57,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 208 transitions, 2116 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:45:57,340 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:57,340 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:45:57,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:58,967 INFO L124 PetriNetUnfolderBase]: 2026/3203 cut-off events. [2024-06-03 22:45:58,967 INFO L125 PetriNetUnfolderBase]: For 170233/170233 co-relation queries the response was YES. [2024-06-03 22:45:58,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25480 conditions, 3203 events. 2026/3203 cut-off events. For 170233/170233 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 17419 event pairs, 445 based on Foata normal form. 16/3217 useless extension candidates. Maximal degree in co-relation 25392. Up to 2961 conditions per place. [2024-06-03 22:45:58,992 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 222 selfloop transitions, 22 changer transitions 0/249 dead transitions. [2024-06-03 22:45:58,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 249 transitions, 2798 flow [2024-06-03 22:45:58,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:45:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:45:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 189 transitions. [2024-06-03 22:45:58,995 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45 [2024-06-03 22:45:58,995 INFO L175 Difference]: Start difference. First operand has 180 places, 208 transitions, 2116 flow. Second operand 10 states and 189 transitions. [2024-06-03 22:45:58,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 249 transitions, 2798 flow [2024-06-03 22:45:59,132 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 183 places, 249 transitions, 2672 flow, removed 46 selfloop flow, removed 6 redundant places. [2024-06-03 22:45:59,134 INFO L231 Difference]: Finished difference. Result has 184 places, 209 transitions, 2085 flow [2024-06-03 22:45:59,135 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=1992, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2085, PETRI_PLACES=184, PETRI_TRANSITIONS=209} [2024-06-03 22:45:59,135 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 141 predicate places. [2024-06-03 22:45:59,135 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 209 transitions, 2085 flow [2024-06-03 22:45:59,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:45:59,136 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:59,136 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:45:59,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-06-03 22:45:59,136 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:59,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash -454438995, now seen corresponding path program 4 times [2024-06-03 22:45:59,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:59,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351908837] [2024-06-03 22:45:59,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:59,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:46:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:46:11,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:46:11,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351908837] [2024-06-03 22:46:11,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351908837] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:46:11,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:46:11,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:46:11,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860781377] [2024-06-03 22:46:11,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:46:11,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:46:11,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:46:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:46:11,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:46:11,388 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:46:11,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 209 transitions, 2085 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:11,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:46:11,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:46:11,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:46:12,890 INFO L124 PetriNetUnfolderBase]: 2054/3251 cut-off events. [2024-06-03 22:46:12,890 INFO L125 PetriNetUnfolderBase]: For 167546/167546 co-relation queries the response was YES. [2024-06-03 22:46:12,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25761 conditions, 3251 events. 2054/3251 cut-off events. For 167546/167546 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 17706 event pairs, 452 based on Foata normal form. 4/3253 useless extension candidates. Maximal degree in co-relation 25672. Up to 3075 conditions per place. [2024-06-03 22:46:12,918 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 214 selfloop transitions, 25 changer transitions 0/244 dead transitions. [2024-06-03 22:46:12,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 244 transitions, 2724 flow [2024-06-03 22:46:12,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:46:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:46:12,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 169 transitions. [2024-06-03 22:46:12,921 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4470899470899471 [2024-06-03 22:46:12,921 INFO L175 Difference]: Start difference. First operand has 184 places, 209 transitions, 2085 flow. Second operand 9 states and 169 transitions. [2024-06-03 22:46:12,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 244 transitions, 2724 flow [2024-06-03 22:46:13,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 244 transitions, 2665 flow, removed 9 selfloop flow, removed 8 redundant places. [2024-06-03 22:46:13,063 INFO L231 Difference]: Finished difference. Result has 185 places, 214 transitions, 2170 flow [2024-06-03 22:46:13,063 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2026, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2170, PETRI_PLACES=185, PETRI_TRANSITIONS=214} [2024-06-03 22:46:13,064 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 142 predicate places. [2024-06-03 22:46:13,064 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 214 transitions, 2170 flow [2024-06-03 22:46:13,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:13,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:46:13,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:46:13,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-06-03 22:46:13,065 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:46:13,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:46:13,065 INFO L85 PathProgramCache]: Analyzing trace with hash -195010019, now seen corresponding path program 5 times [2024-06-03 22:46:13,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:46:13,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148352390] [2024-06-03 22:46:13,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:46:13,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:46:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:46:23,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:46:23,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:46:23,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148352390] [2024-06-03 22:46:23,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148352390] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:46:23,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:46:23,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:46:23,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316838032] [2024-06-03 22:46:23,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:46:23,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:46:23,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:46:23,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:46:23,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:46:24,098 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:46:24,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 214 transitions, 2170 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:24,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:46:24,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:46:24,099 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:46:25,682 INFO L124 PetriNetUnfolderBase]: 2096/3317 cut-off events. [2024-06-03 22:46:25,683 INFO L125 PetriNetUnfolderBase]: For 179198/179198 co-relation queries the response was YES. [2024-06-03 22:46:25,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26674 conditions, 3317 events. 2096/3317 cut-off events. For 179198/179198 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 18168 event pairs, 452 based on Foata normal form. 4/3319 useless extension candidates. Maximal degree in co-relation 26584. Up to 3043 conditions per place. [2024-06-03 22:46:25,711 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 211 selfloop transitions, 36 changer transitions 0/252 dead transitions. [2024-06-03 22:46:25,711 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 252 transitions, 3038 flow [2024-06-03 22:46:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:46:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:46:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 174 transitions. [2024-06-03 22:46:25,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2024-06-03 22:46:25,714 INFO L175 Difference]: Start difference. First operand has 185 places, 214 transitions, 2170 flow. Second operand 9 states and 174 transitions. [2024-06-03 22:46:25,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 252 transitions, 3038 flow [2024-06-03 22:46:25,853 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 252 transitions, 2935 flow, removed 34 selfloop flow, removed 5 redundant places. [2024-06-03 22:46:25,856 INFO L231 Difference]: Finished difference. Result has 190 places, 219 transitions, 2292 flow [2024-06-03 22:46:25,857 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2067, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2292, PETRI_PLACES=190, PETRI_TRANSITIONS=219} [2024-06-03 22:46:25,857 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 147 predicate places. [2024-06-03 22:46:25,857 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 219 transitions, 2292 flow [2024-06-03 22:46:25,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:25,857 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:46:25,858 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:46:25,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-06-03 22:46:25,858 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:46:25,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:46:25,858 INFO L85 PathProgramCache]: Analyzing trace with hash 4439641, now seen corresponding path program 6 times [2024-06-03 22:46:25,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:46:25,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702844109] [2024-06-03 22:46:25,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:46:25,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:46:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:46:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:46:37,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:46:37,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702844109] [2024-06-03 22:46:37,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702844109] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:46:37,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:46:37,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:46:37,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372123845] [2024-06-03 22:46:37,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:46:37,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:46:37,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:46:37,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:46:37,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:46:37,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:46:37,797 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 219 transitions, 2292 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:37,797 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:46:37,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:46:37,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:46:39,402 INFO L124 PetriNetUnfolderBase]: 2088/3305 cut-off events. [2024-06-03 22:46:39,402 INFO L125 PetriNetUnfolderBase]: For 183374/183374 co-relation queries the response was YES. [2024-06-03 22:46:39,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26680 conditions, 3305 events. 2088/3305 cut-off events. For 183374/183374 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 18079 event pairs, 457 based on Foata normal form. 4/3307 useless extension candidates. Maximal degree in co-relation 26588. Up to 3096 conditions per place. [2024-06-03 22:46:39,434 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 212 selfloop transitions, 33 changer transitions 0/250 dead transitions. [2024-06-03 22:46:39,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 198 places, 250 transitions, 2907 flow [2024-06-03 22:46:39,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:46:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:46:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 170 transitions. [2024-06-03 22:46:39,437 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4497354497354497 [2024-06-03 22:46:39,437 INFO L175 Difference]: Start difference. First operand has 190 places, 219 transitions, 2292 flow. Second operand 9 states and 170 transitions. [2024-06-03 22:46:39,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 198 places, 250 transitions, 2907 flow [2024-06-03 22:46:39,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 250 transitions, 2715 flow, removed 78 selfloop flow, removed 5 redundant places. [2024-06-03 22:46:39,599 INFO L231 Difference]: Finished difference. Result has 194 places, 220 transitions, 2222 flow [2024-06-03 22:46:39,599 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2140, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=219, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2222, PETRI_PLACES=194, PETRI_TRANSITIONS=220} [2024-06-03 22:46:39,599 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 151 predicate places. [2024-06-03 22:46:39,600 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 220 transitions, 2222 flow [2024-06-03 22:46:39,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:46:39,600 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:46:39,600 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:46:39,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-06-03 22:46:39,600 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:46:39,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:46:39,601 INFO L85 PathProgramCache]: Analyzing trace with hash -454433043, now seen corresponding path program 2 times [2024-06-03 22:46:39,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:46:39,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195755379] [2024-06-03 22:46:39,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:46:39,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:46:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:46:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:46:51,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:46:51,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195755379] [2024-06-03 22:46:51,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195755379] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:46:51,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:46:51,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:46:51,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031930916] [2024-06-03 22:46:51,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:46:51,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:46:51,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:46:51,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:46:51,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:46:51,536 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:46:51,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 220 transitions, 2222 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:46:51,537 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:46:51,537 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:46:51,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:46:53,391 INFO L124 PetriNetUnfolderBase]: 2157/3419 cut-off events. [2024-06-03 22:46:53,391 INFO L125 PetriNetUnfolderBase]: For 198544/198544 co-relation queries the response was YES. [2024-06-03 22:46:53,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27278 conditions, 3419 events. 2157/3419 cut-off events. For 198544/198544 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 18919 event pairs, 467 based on Foata normal form. 16/3433 useless extension candidates. Maximal degree in co-relation 27184. Up to 3160 conditions per place. [2024-06-03 22:46:53,421 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 229 selfloop transitions, 27 changer transitions 0/261 dead transitions. [2024-06-03 22:46:53,421 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 261 transitions, 2924 flow [2024-06-03 22:46:53,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:46:53,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:46:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 188 transitions. [2024-06-03 22:46:53,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44761904761904764 [2024-06-03 22:46:53,430 INFO L175 Difference]: Start difference. First operand has 194 places, 220 transitions, 2222 flow. Second operand 10 states and 188 transitions. [2024-06-03 22:46:53,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 261 transitions, 2924 flow [2024-06-03 22:46:53,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 196 places, 261 transitions, 2851 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-06-03 22:46:53,576 INFO L231 Difference]: Finished difference. Result has 198 places, 224 transitions, 2270 flow [2024-06-03 22:46:53,577 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2149, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=220, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2270, PETRI_PLACES=198, PETRI_TRANSITIONS=224} [2024-06-03 22:46:53,578 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 155 predicate places. [2024-06-03 22:46:53,578 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 224 transitions, 2270 flow [2024-06-03 22:46:53,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:46:53,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:46:53,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:46:53,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-06-03 22:46:53,579 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:46:53,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:46:53,579 INFO L85 PathProgramCache]: Analyzing trace with hash -247779603, now seen corresponding path program 3 times [2024-06-03 22:46:53,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:46:53,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121206144] [2024-06-03 22:46:53,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:46:53,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:46:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:47:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:47:08,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:47:08,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121206144] [2024-06-03 22:47:08,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121206144] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:47:08,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:47:08,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:47:08,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149244088] [2024-06-03 22:47:08,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:47:08,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:47:08,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:47:08,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:47:08,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:47:09,360 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 42 [2024-06-03 22:47:09,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 224 transitions, 2270 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) [2024-06-03 22:47:09,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:47:09,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 42 [2024-06-03 22:47:09,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:47:11,206 INFO L124 PetriNetUnfolderBase]: 2215/3527 cut-off events. [2024-06-03 22:47:11,206 INFO L125 PetriNetUnfolderBase]: For 210132/210132 co-relation queries the response was YES. [2024-06-03 22:47:11,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28292 conditions, 3527 events. 2215/3527 cut-off events. For 210132/210132 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 19730 event pairs, 482 based on Foata normal form. 16/3541 useless extension candidates. Maximal degree in co-relation 28196. Up to 3171 conditions per place. [2024-06-03 22:47:11,236 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 212 selfloop transitions, 49 changer transitions 0/266 dead transitions. [2024-06-03 22:47:11,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 266 transitions, 2990 flow [2024-06-03 22:47:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-06-03 22:47:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-06-03 22:47:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 197 transitions. [2024-06-03 22:47:11,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4264069264069264 [2024-06-03 22:47:11,240 INFO L175 Difference]: Start difference. First operand has 198 places, 224 transitions, 2270 flow. Second operand 11 states and 197 transitions. [2024-06-03 22:47:11,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 266 transitions, 2990 flow [2024-06-03 22:47:11,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 266 transitions, 2929 flow, removed 7 selfloop flow, removed 7 redundant places. [2024-06-03 22:47:11,404 INFO L231 Difference]: Finished difference. Result has 202 places, 225 transitions, 2365 flow [2024-06-03 22:47:11,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2209, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2365, PETRI_PLACES=202, PETRI_TRANSITIONS=225} [2024-06-03 22:47:11,405 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 159 predicate places. [2024-06-03 22:47:11,405 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 225 transitions, 2365 flow [2024-06-03 22:47:11,405 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) [2024-06-03 22:47:11,405 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:47:11,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:47:11,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-06-03 22:47:11,410 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:47:11,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:47:11,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1582742389, now seen corresponding path program 4 times [2024-06-03 22:47:11,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:47:11,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401120718] [2024-06-03 22:47:11,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:47:11,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:47:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:47:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:47:25,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:47:25,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401120718] [2024-06-03 22:47:25,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401120718] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:47:25,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:47:25,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:47:25,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430696412] [2024-06-03 22:47:25,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:47:25,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:47:25,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:47:25,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:47:25,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:47:25,768 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:47:25,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 225 transitions, 2365 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:47:25,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:47:25,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:47:25,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:47:27,642 INFO L124 PetriNetUnfolderBase]: 2317/3711 cut-off events. [2024-06-03 22:47:27,642 INFO L125 PetriNetUnfolderBase]: For 231852/231852 co-relation queries the response was YES. [2024-06-03 22:47:27,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30413 conditions, 3711 events. 2317/3711 cut-off events. For 231852/231852 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 21178 event pairs, 507 based on Foata normal form. 12/3721 useless extension candidates. Maximal degree in co-relation 30316. Up to 2795 conditions per place. [2024-06-03 22:47:27,673 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 209 selfloop transitions, 55 changer transitions 0/269 dead transitions. [2024-06-03 22:47:27,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 269 transitions, 3345 flow [2024-06-03 22:47:27,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:47:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:47:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 195 transitions. [2024-06-03 22:47:27,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2024-06-03 22:47:27,676 INFO L175 Difference]: Start difference. First operand has 202 places, 225 transitions, 2365 flow. Second operand 10 states and 195 transitions. [2024-06-03 22:47:27,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 269 transitions, 3345 flow [2024-06-03 22:47:27,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 269 transitions, 3231 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-06-03 22:47:27,853 INFO L231 Difference]: Finished difference. Result has 203 places, 227 transitions, 2465 flow [2024-06-03 22:47:27,853 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2251, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2465, PETRI_PLACES=203, PETRI_TRANSITIONS=227} [2024-06-03 22:47:27,853 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 160 predicate places. [2024-06-03 22:47:27,853 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 227 transitions, 2465 flow [2024-06-03 22:47:27,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:47:27,854 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:47:27,854 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:47:27,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-06-03 22:47:27,854 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)] === [2024-06-03 22:47:27,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:47:27,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1575123829, now seen corresponding path program 5 times [2024-06-03 22:47:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:47:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413160032] [2024-06-03 22:47:27,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:47:27,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:47:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:47:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:47:39,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:47:39,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413160032] [2024-06-03 22:47:39,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413160032] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:47:39,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:47:39,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:47:39,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194948901] [2024-06-03 22:47:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:47:39,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:47:39,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:47:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:47:39,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:47:39,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:47:39,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 227 transitions, 2465 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:47:39,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:47:39,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:47:39,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:47:41,767 INFO L124 PetriNetUnfolderBase]: 2289/3667 cut-off events. [2024-06-03 22:47:41,767 INFO L125 PetriNetUnfolderBase]: For 228160/228160 co-relation queries the response was YES. [2024-06-03 22:47:41,785 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29548 conditions, 3667 events. 2289/3667 cut-off events. For 228160/228160 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 20945 event pairs, 510 based on Foata normal form. 16/3681 useless extension candidates. Maximal degree in co-relation 29450. Up to 3355 conditions per place. [2024-06-03 22:47:41,798 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 224 selfloop transitions, 35 changer transitions 0/264 dead transitions. [2024-06-03 22:47:41,799 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 264 transitions, 3125 flow [2024-06-03 22:47:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:47:41,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:47:41,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 189 transitions. [2024-06-03 22:47:41,808 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45 [2024-06-03 22:47:41,809 INFO L175 Difference]: Start difference. First operand has 203 places, 227 transitions, 2465 flow. Second operand 10 states and 189 transitions. [2024-06-03 22:47:41,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 264 transitions, 3125 flow [2024-06-03 22:47:42,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 264 transitions, 3037 flow, removed 16 selfloop flow, removed 6 redundant places. [2024-06-03 22:47:42,032 INFO L231 Difference]: Finished difference. Result has 207 places, 227 transitions, 2454 flow [2024-06-03 22:47:42,032 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2377, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2454, PETRI_PLACES=207, PETRI_TRANSITIONS=227} [2024-06-03 22:47:42,032 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 164 predicate places. [2024-06-03 22:47:42,032 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 227 transitions, 2454 flow [2024-06-03 22:47:42,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:47:42,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:47:42,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:47:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-06-03 22:47:42,033 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:47:42,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:47:42,033 INFO L85 PathProgramCache]: Analyzing trace with hash -1394722191, now seen corresponding path program 7 times [2024-06-03 22:47:42,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:47:42,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370056371] [2024-06-03 22:47:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:47:42,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:47:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:47:53,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:47:53,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:47:53,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370056371] [2024-06-03 22:47:53,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370056371] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:47:53,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:47:53,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:47:53,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326236252] [2024-06-03 22:47:53,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:47:53,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:47:53,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:47:53,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:47:53,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:47:53,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:47:53,481 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 227 transitions, 2454 flow. Second operand has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:47:53,481 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:47:53,481 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:47:53,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:47:55,044 INFO L124 PetriNetUnfolderBase]: 2281/3651 cut-off events. [2024-06-03 22:47:55,045 INFO L125 PetriNetUnfolderBase]: For 218503/218503 co-relation queries the response was YES. [2024-06-03 22:47:55,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29322 conditions, 3651 events. 2281/3651 cut-off events. For 218503/218503 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 20867 event pairs, 497 based on Foata normal form. 4/3651 useless extension candidates. Maximal degree in co-relation 29222. Up to 3323 conditions per place. [2024-06-03 22:47:55,079 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 212 selfloop transitions, 46 changer transitions 0/263 dead transitions. [2024-06-03 22:47:55,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 263 transitions, 3228 flow [2024-06-03 22:47:55,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:47:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:47:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 171 transitions. [2024-06-03 22:47:55,084 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:47:55,084 INFO L175 Difference]: Start difference. First operand has 207 places, 227 transitions, 2454 flow. Second operand 9 states and 171 transitions. [2024-06-03 22:47:55,084 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 263 transitions, 3228 flow [2024-06-03 22:47:55,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 263 transitions, 3127 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-06-03 22:47:55,273 INFO L231 Difference]: Finished difference. Result has 208 places, 234 transitions, 2654 flow [2024-06-03 22:47:55,274 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2353, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2654, PETRI_PLACES=208, PETRI_TRANSITIONS=234} [2024-06-03 22:47:55,274 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 165 predicate places. [2024-06-03 22:47:55,274 INFO L495 AbstractCegarLoop]: Abstraction has has 208 places, 234 transitions, 2654 flow [2024-06-03 22:47:55,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.4) internal successors, (114), 10 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) [2024-06-03 22:47:55,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:47:55,275 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:47:55,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-06-03 22:47:55,275 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:47:55,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:47:55,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1058066827, now seen corresponding path program 6 times [2024-06-03 22:47:55,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:47:55,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646064079] [2024-06-03 22:47:55,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:47:55,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:47:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:48:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:48:07,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:48:07,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646064079] [2024-06-03 22:48:07,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646064079] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:48:07,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:48:07,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:48:07,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275553855] [2024-06-03 22:48:07,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:48:07,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:48:07,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:48:07,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:48:07,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:48:08,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:48:08,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 234 transitions, 2654 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:08,025 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:48:08,025 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:48:08,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:48:09,873 INFO L124 PetriNetUnfolderBase]: 2383/3825 cut-off events. [2024-06-03 22:48:09,874 INFO L125 PetriNetUnfolderBase]: For 252095/252095 co-relation queries the response was YES. [2024-06-03 22:48:09,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31541 conditions, 3825 events. 2383/3825 cut-off events. For 252095/252095 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 22019 event pairs, 498 based on Foata normal form. 12/3833 useless extension candidates. Maximal degree in co-relation 31440. Up to 2582 conditions per place. [2024-06-03 22:48:09,909 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 188 selfloop transitions, 84 changer transitions 0/277 dead transitions. [2024-06-03 22:48:09,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 277 transitions, 3666 flow [2024-06-03 22:48:09,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:48:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:48:09,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 195 transitions. [2024-06-03 22:48:09,912 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2024-06-03 22:48:09,912 INFO L175 Difference]: Start difference. First operand has 208 places, 234 transitions, 2654 flow. Second operand 10 states and 195 transitions. [2024-06-03 22:48:09,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 277 transitions, 3666 flow [2024-06-03 22:48:10,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 277 transitions, 3456 flow, removed 83 selfloop flow, removed 5 redundant places. [2024-06-03 22:48:10,228 INFO L231 Difference]: Finished difference. Result has 213 places, 236 transitions, 2724 flow [2024-06-03 22:48:10,228 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2444, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=83, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2724, PETRI_PLACES=213, PETRI_TRANSITIONS=236} [2024-06-03 22:48:10,228 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 170 predicate places. [2024-06-03 22:48:10,228 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 236 transitions, 2724 flow [2024-06-03 22:48:10,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:10,229 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:48:10,229 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:48:10,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-06-03 22:48:10,229 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:48:10,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:48:10,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1187914929, now seen corresponding path program 7 times [2024-06-03 22:48:10,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:48:10,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956601970] [2024-06-03 22:48:10,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:48:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:48:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:48:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:48:22,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:48:22,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956601970] [2024-06-03 22:48:22,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956601970] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:48:22,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:48:22,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:48:22,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194524392] [2024-06-03 22:48:22,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:48:22,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:48:22,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:48:22,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:48:22,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:48:22,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:48:22,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 236 transitions, 2724 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:22,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:48:22,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:48:22,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:48:24,469 INFO L124 PetriNetUnfolderBase]: 2441/3923 cut-off events. [2024-06-03 22:48:24,470 INFO L125 PetriNetUnfolderBase]: For 269305/269305 co-relation queries the response was YES. [2024-06-03 22:48:24,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32425 conditions, 3923 events. 2441/3923 cut-off events. For 269305/269305 co-relation queries the response was YES. Maximal size of possible extension queue 243. Compared 22821 event pairs, 563 based on Foata normal form. 16/3935 useless extension candidates. Maximal degree in co-relation 32324. Up to 3553 conditions per place. [2024-06-03 22:48:24,503 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 219 selfloop transitions, 48 changer transitions 0/272 dead transitions. [2024-06-03 22:48:24,504 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 272 transitions, 3448 flow [2024-06-03 22:48:24,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:48:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:48:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 191 transitions. [2024-06-03 22:48:24,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45476190476190476 [2024-06-03 22:48:24,506 INFO L175 Difference]: Start difference. First operand has 213 places, 236 transitions, 2724 flow. Second operand 10 states and 191 transitions. [2024-06-03 22:48:24,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 272 transitions, 3448 flow [2024-06-03 22:48:24,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 272 transitions, 3307 flow, removed 26 selfloop flow, removed 6 redundant places. [2024-06-03 22:48:24,769 INFO L231 Difference]: Finished difference. Result has 217 places, 237 transitions, 2742 flow [2024-06-03 22:48:24,770 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2591, PETRI_DIFFERENCE_MINUEND_PLACES=207, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2742, PETRI_PLACES=217, PETRI_TRANSITIONS=237} [2024-06-03 22:48:24,770 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 174 predicate places. [2024-06-03 22:48:24,770 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 237 transitions, 2742 flow [2024-06-03 22:48:24,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:24,770 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:48:24,770 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:48:24,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-06-03 22:48:24,771 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:48:24,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:48:24,771 INFO L85 PathProgramCache]: Analyzing trace with hash 744367597, now seen corresponding path program 8 times [2024-06-03 22:48:24,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:48:24,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072272568] [2024-06-03 22:48:24,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:48:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:48:24,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:48:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:48:36,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:48:36,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072272568] [2024-06-03 22:48:36,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072272568] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:48:36,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:48:36,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:48:36,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311091226] [2024-06-03 22:48:36,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:48:36,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:48:36,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:48:36,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:48:36,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:48:37,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:48:37,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 237 transitions, 2742 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:37,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:48:37,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:48:37,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:48:39,179 INFO L124 PetriNetUnfolderBase]: 2579/4167 cut-off events. [2024-06-03 22:48:39,179 INFO L125 PetriNetUnfolderBase]: For 292276/292276 co-relation queries the response was YES. [2024-06-03 22:48:39,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34978 conditions, 4167 events. 2579/4167 cut-off events. For 292276/292276 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 24723 event pairs, 589 based on Foata normal form. 12/4175 useless extension candidates. Maximal degree in co-relation 34875. Up to 3527 conditions per place. [2024-06-03 22:48:39,218 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 194 selfloop transitions, 90 changer transitions 0/289 dead transitions. [2024-06-03 22:48:39,218 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 289 transitions, 3811 flow [2024-06-03 22:48:39,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-06-03 22:48:39,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-06-03 22:48:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 215 transitions. [2024-06-03 22:48:39,221 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4653679653679654 [2024-06-03 22:48:39,221 INFO L175 Difference]: Start difference. First operand has 217 places, 237 transitions, 2742 flow. Second operand 11 states and 215 transitions. [2024-06-03 22:48:39,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 289 transitions, 3811 flow [2024-06-03 22:48:39,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 289 transitions, 3696 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-06-03 22:48:39,515 INFO L231 Difference]: Finished difference. Result has 220 places, 242 transitions, 2926 flow [2024-06-03 22:48:39,516 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2627, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=86, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2926, PETRI_PLACES=220, PETRI_TRANSITIONS=242} [2024-06-03 22:48:39,516 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 177 predicate places. [2024-06-03 22:48:39,516 INFO L495 AbstractCegarLoop]: Abstraction has has 220 places, 242 transitions, 2926 flow [2024-06-03 22:48:39,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:39,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:48:39,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:48:39,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-06-03 22:48:39,517 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)] === [2024-06-03 22:48:39,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:48:39,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1388996739, now seen corresponding path program 9 times [2024-06-03 22:48:39,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:48:39,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379173279] [2024-06-03 22:48:39,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:48:39,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:48:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:48:51,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:48:51,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:48:51,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379173279] [2024-06-03 22:48:51,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379173279] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:48:51,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:48:51,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:48:51,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720102282] [2024-06-03 22:48:51,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:48:51,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:48:51,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:48:51,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:48:51,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:48:51,568 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:48:51,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 242 transitions, 2926 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:51,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:48:51,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:48:51,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:48:53,516 INFO L124 PetriNetUnfolderBase]: 2620/4238 cut-off events. [2024-06-03 22:48:53,517 INFO L125 PetriNetUnfolderBase]: For 303966/303966 co-relation queries the response was YES. [2024-06-03 22:48:53,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35816 conditions, 4238 events. 2620/4238 cut-off events. For 303966/303966 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 25358 event pairs, 599 based on Foata normal form. 12/4246 useless extension candidates. Maximal degree in co-relation 35712. Up to 3674 conditions per place. [2024-06-03 22:48:53,550 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 226 selfloop transitions, 50 changer transitions 0/281 dead transitions. [2024-06-03 22:48:53,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 281 transitions, 3700 flow [2024-06-03 22:48:53,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:48:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:48:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 193 transitions. [2024-06-03 22:48:53,553 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4595238095238095 [2024-06-03 22:48:53,554 INFO L175 Difference]: Start difference. First operand has 220 places, 242 transitions, 2926 flow. Second operand 10 states and 193 transitions. [2024-06-03 22:48:53,554 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 281 transitions, 3700 flow [2024-06-03 22:48:53,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 224 places, 281 transitions, 3611 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-06-03 22:48:53,852 INFO L231 Difference]: Finished difference. Result has 225 places, 243 transitions, 2995 flow [2024-06-03 22:48:53,852 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2837, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=2995, PETRI_PLACES=225, PETRI_TRANSITIONS=243} [2024-06-03 22:48:53,852 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 182 predicate places. [2024-06-03 22:48:53,852 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 243 transitions, 2995 flow [2024-06-03 22:48:53,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:48:53,853 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:48:53,853 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:48:53,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-06-03 22:48:53,853 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)] === [2024-06-03 22:48:53,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:48:53,853 INFO L85 PathProgramCache]: Analyzing trace with hash 744100687, now seen corresponding path program 10 times [2024-06-03 22:48:53,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:48:53,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817232275] [2024-06-03 22:48:53,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:48:53,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:48:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:49:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:49:06,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:49:06,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817232275] [2024-06-03 22:49:06,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817232275] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:49:06,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:49:06,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:49:06,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887622350] [2024-06-03 22:49:06,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:49:06,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:49:06,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:49:06,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:49:06,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:49:06,665 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:49:06,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 243 transitions, 2995 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:06,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:49:06,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:49:06,666 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:49:08,663 INFO L124 PetriNetUnfolderBase]: 2592/4194 cut-off events. [2024-06-03 22:49:08,664 INFO L125 PetriNetUnfolderBase]: For 299172/299172 co-relation queries the response was YES. [2024-06-03 22:49:08,686 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34845 conditions, 4194 events. 2592/4194 cut-off events. For 299172/299172 co-relation queries the response was YES. Maximal size of possible extension queue 273. Compared 25035 event pairs, 598 based on Foata normal form. 16/4206 useless extension candidates. Maximal degree in co-relation 34739. Up to 3719 conditions per place. [2024-06-03 22:49:08,702 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 197 selfloop transitions, 76 changer transitions 0/278 dead transitions. [2024-06-03 22:49:08,702 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 278 transitions, 3677 flow [2024-06-03 22:49:08,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:49:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:49:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 190 transitions. [2024-06-03 22:49:08,705 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:49:08,705 INFO L175 Difference]: Start difference. First operand has 225 places, 243 transitions, 2995 flow. Second operand 10 states and 190 transitions. [2024-06-03 22:49:08,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 278 transitions, 3677 flow [2024-06-03 22:49:09,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 278 transitions, 3539 flow, removed 24 selfloop flow, removed 7 redundant places. [2024-06-03 22:49:09,085 INFO L231 Difference]: Finished difference. Result has 228 places, 243 transitions, 3016 flow [2024-06-03 22:49:09,086 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2857, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3016, PETRI_PLACES=228, PETRI_TRANSITIONS=243} [2024-06-03 22:49:09,086 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 185 predicate places. [2024-06-03 22:49:09,086 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 243 transitions, 3016 flow [2024-06-03 22:49:09,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:09,087 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:49:09,087 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:49:09,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-06-03 22:49:09,087 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)] === [2024-06-03 22:49:09,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:49:09,087 INFO L85 PathProgramCache]: Analyzing trace with hash -679551335, now seen corresponding path program 11 times [2024-06-03 22:49:09,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:49:09,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730142873] [2024-06-03 22:49:09,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:49:09,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:49:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:49:21,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:49:21,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:49:21,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730142873] [2024-06-03 22:49:21,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730142873] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:49:21,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:49:21,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:49:21,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673212198] [2024-06-03 22:49:21,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:49:21,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:49:21,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:49:21,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:49:21,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:49:21,625 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:49:21,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 243 transitions, 3016 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:21,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:49:21,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:49:21,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:49:23,654 INFO L124 PetriNetUnfolderBase]: 2625/4263 cut-off events. [2024-06-03 22:49:23,655 INFO L125 PetriNetUnfolderBase]: For 301998/301998 co-relation queries the response was YES. [2024-06-03 22:49:23,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35113 conditions, 4263 events. 2625/4263 cut-off events. For 301998/301998 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 25693 event pairs, 611 based on Foata normal form. 16/4275 useless extension candidates. Maximal degree in co-relation 35006. Up to 3868 conditions per place. [2024-06-03 22:49:23,690 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 224 selfloop transitions, 50 changer transitions 0/279 dead transitions. [2024-06-03 22:49:23,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 279 transitions, 3752 flow [2024-06-03 22:49:23,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:49:23,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:49:23,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 190 transitions. [2024-06-03 22:49:23,693 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:49:23,693 INFO L175 Difference]: Start difference. First operand has 228 places, 243 transitions, 3016 flow. Second operand 10 states and 190 transitions. [2024-06-03 22:49:23,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 279 transitions, 3752 flow [2024-06-03 22:49:24,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 279 transitions, 3587 flow, removed 2 selfloop flow, removed 9 redundant places. [2024-06-03 22:49:24,023 INFO L231 Difference]: Finished difference. Result has 229 places, 244 transitions, 3012 flow [2024-06-03 22:49:24,023 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2851, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3012, PETRI_PLACES=229, PETRI_TRANSITIONS=244} [2024-06-03 22:49:24,023 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 186 predicate places. [2024-06-03 22:49:24,023 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 244 transitions, 3012 flow [2024-06-03 22:49:24,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:24,024 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:49:24,024 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:49:24,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-06-03 22:49:24,024 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:49:24,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:49:24,024 INFO L85 PathProgramCache]: Analyzing trace with hash -679543895, now seen corresponding path program 12 times [2024-06-03 22:49:24,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:49:24,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907155910] [2024-06-03 22:49:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:49:24,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:49:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:49:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:49:34,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:49:34,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907155910] [2024-06-03 22:49:34,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907155910] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:49:34,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:49:34,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:49:34,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350911611] [2024-06-03 22:49:34,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:49:34,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:49:34,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:49:34,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:49:34,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:49:35,061 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:49:35,062 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 244 transitions, 3012 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:35,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:49:35,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:49:35,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:49:37,083 INFO L124 PetriNetUnfolderBase]: 2605/4231 cut-off events. [2024-06-03 22:49:37,084 INFO L125 PetriNetUnfolderBase]: For 291128/291128 co-relation queries the response was YES. [2024-06-03 22:49:37,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34261 conditions, 4231 events. 2605/4231 cut-off events. For 291128/291128 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 25452 event pairs, 582 based on Foata normal form. 12/4239 useless extension candidates. Maximal degree in co-relation 34153. Up to 3624 conditions per place. [2024-06-03 22:49:37,117 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 223 selfloop transitions, 61 changer transitions 0/289 dead transitions. [2024-06-03 22:49:37,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 289 transitions, 3772 flow [2024-06-03 22:49:37,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-06-03 22:49:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-06-03 22:49:37,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 212 transitions. [2024-06-03 22:49:37,120 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4588744588744589 [2024-06-03 22:49:37,120 INFO L175 Difference]: Start difference. First operand has 229 places, 244 transitions, 3012 flow. Second operand 11 states and 212 transitions. [2024-06-03 22:49:37,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 289 transitions, 3772 flow [2024-06-03 22:49:37,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 289 transitions, 3599 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-06-03 22:49:37,489 INFO L231 Difference]: Finished difference. Result has 231 places, 244 transitions, 2967 flow [2024-06-03 22:49:37,489 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2839, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2967, PETRI_PLACES=231, PETRI_TRANSITIONS=244} [2024-06-03 22:49:37,489 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 188 predicate places. [2024-06-03 22:49:37,490 INFO L495 AbstractCegarLoop]: Abstraction has has 231 places, 244 transitions, 2967 flow [2024-06-03 22:49:37,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:49:37,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:49:37,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:49:37,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-06-03 22:49:37,490 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:49:37,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:49:37,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1217491922, now seen corresponding path program 1 times [2024-06-03 22:49:37,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:49:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224335514] [2024-06-03 22:49:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:49:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:49:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:49:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:49:51,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:49:51,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224335514] [2024-06-03 22:49:51,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224335514] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:49:51,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:49:51,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:49:51,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690015243] [2024-06-03 22:49:51,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:49:51,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:49:51,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:49:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:49:51,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:49:52,015 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:49:52,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 231 places, 244 transitions, 2967 flow. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:49:52,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:49:52,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:49:52,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:49:53,891 INFO L124 PetriNetUnfolderBase]: 2524/4160 cut-off events. [2024-06-03 22:49:53,892 INFO L125 PetriNetUnfolderBase]: For 291354/291355 co-relation queries the response was YES. [2024-06-03 22:49:53,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33769 conditions, 4160 events. 2524/4160 cut-off events. For 291354/291355 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 25528 event pairs, 554 based on Foata normal form. 4/4162 useless extension candidates. Maximal degree in co-relation 33660. Up to 3818 conditions per place. [2024-06-03 22:49:53,928 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 220 selfloop transitions, 43 changer transitions 0/283 dead transitions. [2024-06-03 22:49:53,929 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 239 places, 283 transitions, 4087 flow [2024-06-03 22:49:53,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:49:53,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:49:53,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 176 transitions. [2024-06-03 22:49:53,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4656084656084656 [2024-06-03 22:49:53,930 INFO L175 Difference]: Start difference. First operand has 231 places, 244 transitions, 2967 flow. Second operand 9 states and 176 transitions. [2024-06-03 22:49:53,930 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 239 places, 283 transitions, 4087 flow [2024-06-03 22:49:54,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 283 transitions, 3882 flow, removed 14 selfloop flow, removed 9 redundant places. [2024-06-03 22:49:54,295 INFO L231 Difference]: Finished difference. Result has 233 places, 256 transitions, 3079 flow [2024-06-03 22:49:54,296 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2762, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3079, PETRI_PLACES=233, PETRI_TRANSITIONS=256} [2024-06-03 22:49:54,296 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 190 predicate places. [2024-06-03 22:49:54,296 INFO L495 AbstractCegarLoop]: Abstraction has has 233 places, 256 transitions, 3079 flow [2024-06-03 22:49:54,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:49:54,296 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:49:54,296 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:49:54,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-06-03 22:49:54,297 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:49:54,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:49:54,297 INFO L85 PathProgramCache]: Analyzing trace with hash -74889554, now seen corresponding path program 2 times [2024-06-03 22:49:54,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:49:54,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354755045] [2024-06-03 22:49:54,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:49:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:49:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:50:10,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:50:10,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:50:10,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354755045] [2024-06-03 22:50:10,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354755045] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:50:10,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:50:10,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:50:10,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328627595] [2024-06-03 22:50:10,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:50:10,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:50:10,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:50:10,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:50:10,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:50:10,297 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:50:10,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 256 transitions, 3079 flow. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:50:10,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:50:10,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:50:10,298 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:50:12,094 INFO L124 PetriNetUnfolderBase]: 2533/4177 cut-off events. [2024-06-03 22:50:12,094 INFO L125 PetriNetUnfolderBase]: For 298142/298156 co-relation queries the response was YES. [2024-06-03 22:50:12,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33987 conditions, 4177 events. 2533/4177 cut-off events. For 298142/298156 co-relation queries the response was YES. Maximal size of possible extension queue 280. Compared 25664 event pairs, 551 based on Foata normal form. 2/4177 useless extension candidates. Maximal degree in co-relation 33876. Up to 3863 conditions per place. [2024-06-03 22:50:12,137 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 224 selfloop transitions, 38 changer transitions 0/282 dead transitions. [2024-06-03 22:50:12,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 282 transitions, 3945 flow [2024-06-03 22:50:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:50:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:50:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 171 transitions. [2024-06-03 22:50:12,140 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4523809523809524 [2024-06-03 22:50:12,140 INFO L175 Difference]: Start difference. First operand has 233 places, 256 transitions, 3079 flow. Second operand 9 states and 171 transitions. [2024-06-03 22:50:12,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 282 transitions, 3945 flow [2024-06-03 22:50:12,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 282 transitions, 3869 flow, removed 29 selfloop flow, removed 3 redundant places. [2024-06-03 22:50:12,657 INFO L231 Difference]: Finished difference. Result has 239 places, 259 transitions, 3143 flow [2024-06-03 22:50:12,657 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=3009, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=218, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3143, PETRI_PLACES=239, PETRI_TRANSITIONS=259} [2024-06-03 22:50:12,657 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 196 predicate places. [2024-06-03 22:50:12,657 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 259 transitions, 3143 flow [2024-06-03 22:50:12,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:50:12,658 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:50:12,658 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:50:12,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-06-03 22:50:12,658 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:50:12,660 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:50:12,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1221301202, now seen corresponding path program 3 times [2024-06-03 22:50:12,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:50:12,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695301383] [2024-06-03 22:50:12,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:50:12,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:50:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:50:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:50:27,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:50:27,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695301383] [2024-06-03 22:50:27,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695301383] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:50:27,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:50:27,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:50:27,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527074497] [2024-06-03 22:50:27,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:50:27,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:50:27,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:50:27,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:50:27,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:50:28,045 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 42 [2024-06-03 22:50:28,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 259 transitions, 3143 flow. Second operand has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:50:28,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:50:28,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 42 [2024-06-03 22:50:28,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:50:29,928 INFO L124 PetriNetUnfolderBase]: 2526/4163 cut-off events. [2024-06-03 22:50:29,929 INFO L125 PetriNetUnfolderBase]: For 300876/300876 co-relation queries the response was YES. [2024-06-03 22:50:29,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33927 conditions, 4163 events. 2526/4163 cut-off events. For 300876/300876 co-relation queries the response was YES. Maximal size of possible extension queue 278. Compared 25553 event pairs, 556 based on Foata normal form. 3/4161 useless extension candidates. Maximal degree in co-relation 33815. Up to 3846 conditions per place. [2024-06-03 22:50:29,968 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 225 selfloop transitions, 37 changer transitions 0/282 dead transitions. [2024-06-03 22:50:29,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 282 transitions, 3961 flow [2024-06-03 22:50:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:50:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:50:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 145 transitions. [2024-06-03 22:50:29,969 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4931972789115646 [2024-06-03 22:50:29,969 INFO L175 Difference]: Start difference. First operand has 239 places, 259 transitions, 3143 flow. Second operand 7 states and 145 transitions. [2024-06-03 22:50:29,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 282 transitions, 3961 flow [2024-06-03 22:50:30,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 238 places, 282 transitions, 3823 flow, removed 32 selfloop flow, removed 7 redundant places. [2024-06-03 22:50:30,415 INFO L231 Difference]: Finished difference. Result has 239 places, 259 transitions, 3090 flow [2024-06-03 22:50:30,415 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=3005, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3090, PETRI_PLACES=239, PETRI_TRANSITIONS=259} [2024-06-03 22:50:30,415 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 196 predicate places. [2024-06-03 22:50:30,415 INFO L495 AbstractCegarLoop]: Abstraction has has 239 places, 259 transitions, 3090 flow [2024-06-03 22:50:30,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.6) internal successors, (126), 10 states have internal predecessors, (126), 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) [2024-06-03 22:50:30,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:50:30,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:50:30,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-06-03 22:50:30,416 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:50:30,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:50:30,416 INFO L85 PathProgramCache]: Analyzing trace with hash 365985876, now seen corresponding path program 1 times [2024-06-03 22:50:30,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:50:30,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942946586] [2024-06-03 22:50:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:50:30,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:50:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:50:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:50:45,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:50:45,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942946586] [2024-06-03 22:50:45,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942946586] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:50:45,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:50:45,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:50:45,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741616838] [2024-06-03 22:50:45,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:50:45,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:50:45,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:50:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:50:45,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:50:45,382 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:50:45,382 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 259 transitions, 3090 flow. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:50:45,382 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:50:45,382 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:50:45,382 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:50:47,013 INFO L124 PetriNetUnfolderBase]: 2625/4268 cut-off events. [2024-06-03 22:50:47,013 INFO L125 PetriNetUnfolderBase]: For 303634/303634 co-relation queries the response was YES. [2024-06-03 22:50:47,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34558 conditions, 4268 events. 2625/4268 cut-off events. For 303634/303634 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 25786 event pairs, 592 based on Foata normal form. 1/4267 useless extension candidates. Maximal degree in co-relation 34445. Up to 4087 conditions per place. [2024-06-03 22:50:47,056 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 243 selfloop transitions, 22 changer transitions 0/270 dead transitions. [2024-06-03 22:50:47,056 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 270 transitions, 3650 flow [2024-06-03 22:50:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:50:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:50:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2024-06-03 22:50:47,057 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48095238095238096 [2024-06-03 22:50:47,058 INFO L175 Difference]: Start difference. First operand has 239 places, 259 transitions, 3090 flow. Second operand 5 states and 101 transitions. [2024-06-03 22:50:47,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 270 transitions, 3650 flow [2024-06-03 22:50:47,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 270 transitions, 3542 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-06-03 22:50:47,511 INFO L231 Difference]: Finished difference. Result has 238 places, 259 transitions, 3042 flow [2024-06-03 22:50:47,511 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2982, PETRI_DIFFERENCE_MINUEND_PLACES=233, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=3042, PETRI_PLACES=238, PETRI_TRANSITIONS=259} [2024-06-03 22:50:47,512 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 195 predicate places. [2024-06-03 22:50:47,512 INFO L495 AbstractCegarLoop]: Abstraction has has 238 places, 259 transitions, 3042 flow [2024-06-03 22:50:47,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 9 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:50:47,512 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:50:47,512 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:50:47,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-06-03 22:50:47,513 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:50:47,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:50:47,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1854388735, now seen corresponding path program 1 times [2024-06-03 22:50:47,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:50:47,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950685193] [2024-06-03 22:50:47,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:50:47,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:50:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:50:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:50:59,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:50:59,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950685193] [2024-06-03 22:50:59,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950685193] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:50:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:50:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:50:59,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083949003] [2024-06-03 22:50:59,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:50:59,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:50:59,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:50:59,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:50:59,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:50:59,516 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:50:59,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 259 transitions, 3042 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:50:59,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:50:59,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:50:59,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:51:01,620 INFO L124 PetriNetUnfolderBase]: 2642/4291 cut-off events. [2024-06-03 22:51:01,620 INFO L125 PetriNetUnfolderBase]: For 317377/317377 co-relation queries the response was YES. [2024-06-03 22:51:01,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34873 conditions, 4291 events. 2642/4291 cut-off events. For 317377/317377 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 25804 event pairs, 445 based on Foata normal form. 4/4293 useless extension candidates. Maximal degree in co-relation 34759. Up to 4019 conditions per place. [2024-06-03 22:51:01,661 INFO L140 encePairwiseOnDemand]: 30/42 looper letters, 276 selfloop transitions, 20 changer transitions 0/301 dead transitions. [2024-06-03 22:51:01,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 301 transitions, 3814 flow [2024-06-03 22:51:01,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:51:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:51:01,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 187 transitions. [2024-06-03 22:51:01,664 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4452380952380952 [2024-06-03 22:51:01,664 INFO L175 Difference]: Start difference. First operand has 238 places, 259 transitions, 3042 flow. Second operand 10 states and 187 transitions. [2024-06-03 22:51:01,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 301 transitions, 3814 flow [2024-06-03 22:51:02,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 301 transitions, 3770 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-03 22:51:02,027 INFO L231 Difference]: Finished difference. Result has 244 places, 261 transitions, 3125 flow [2024-06-03 22:51:02,028 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=2998, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3125, PETRI_PLACES=244, PETRI_TRANSITIONS=261} [2024-06-03 22:51:02,028 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 201 predicate places. [2024-06-03 22:51:02,028 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 261 transitions, 3125 flow [2024-06-03 22:51:02,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:51:02,029 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:51:02,029 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:51:02,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-06-03 22:51:02,029 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:51:02,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:51:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash -2038984211, now seen corresponding path program 2 times [2024-06-03 22:51:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:51:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467349111] [2024-06-03 22:51:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:51:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:51:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:51:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:51:13,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:51:13,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467349111] [2024-06-03 22:51:13,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467349111] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:51:13,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:51:13,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:51:13,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280711279] [2024-06-03 22:51:13,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:51:13,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:51:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:51:13,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:51:13,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:51:14,060 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2024-06-03 22:51:14,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 261 transitions, 3125 flow. Second operand has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:51:14,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:51:14,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2024-06-03 22:51:14,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:51:16,130 INFO L124 PetriNetUnfolderBase]: 2683/4362 cut-off events. [2024-06-03 22:51:16,131 INFO L125 PetriNetUnfolderBase]: For 341565/341565 co-relation queries the response was YES. [2024-06-03 22:51:16,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35843 conditions, 4362 events. 2683/4362 cut-off events. For 341565/341565 co-relation queries the response was YES. Maximal size of possible extension queue 288. Compared 26430 event pairs, 562 based on Foata normal form. 12/4372 useless extension candidates. Maximal degree in co-relation 35728. Up to 4084 conditions per place. [2024-06-03 22:51:16,168 INFO L140 encePairwiseOnDemand]: 31/42 looper letters, 276 selfloop transitions, 21 changer transitions 0/302 dead transitions. [2024-06-03 22:51:16,169 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 253 places, 302 transitions, 3893 flow [2024-06-03 22:51:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:51:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:51:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 188 transitions. [2024-06-03 22:51:16,171 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44761904761904764 [2024-06-03 22:51:16,171 INFO L175 Difference]: Start difference. First operand has 244 places, 261 transitions, 3125 flow. Second operand 10 states and 188 transitions. [2024-06-03 22:51:16,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 253 places, 302 transitions, 3893 flow [2024-06-03 22:51:16,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 302 transitions, 3784 flow, removed 36 selfloop flow, removed 8 redundant places. [2024-06-03 22:51:16,651 INFO L231 Difference]: Finished difference. Result has 246 places, 262 transitions, 3114 flow [2024-06-03 22:51:16,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=3016, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=261, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=3114, PETRI_PLACES=246, PETRI_TRANSITIONS=262} [2024-06-03 22:51:16,652 INFO L281 CegarLoopForPetriNet]: 43 programPoint places, 203 predicate places. [2024-06-03 22:51:16,652 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 262 transitions, 3114 flow [2024-06-03 22:51:16,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.363636363636363) internal successors, (125), 11 states have internal predecessors, (125), 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) [2024-06-03 22:51:16,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:51:16,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:51:16,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-06-03 22:51:16,653 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:51:16,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:51:16,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1141425061, now seen corresponding path program 3 times [2024-06-03 22:51:16,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:51:16,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253376453] [2024-06-03 22:51:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:51:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:51:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15