./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_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/safe011_power.oepc_pso.oepc_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/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i ./goblint.2024-05-21_14-57-05.files/mutex-meet/safe011_power.oepc_pso.oepc_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 22:31:42,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-03 22:31:42,133 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-03 22:31:42,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-03 22:31:42,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-03 22:31:42,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-03 22:31:42,164 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-03 22:31:42,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-03 22:31:42,165 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-03 22:31:42,165 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-03 22:31:42,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-03 22:31:42,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-03 22:31:42,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-03 22:31:42,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-03 22:31:42,172 INFO L153 SettingsManager]: * Use SBE=true [2024-06-03 22:31:42,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-03 22:31:42,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-03 22:31:42,177 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-03 22:31:42,177 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-03 22:31:42,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-03 22:31:42,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-03 22:31:42,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-03 22:31:42,178 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-03 22:31:42,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-03 22:31:42,179 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-03 22:31:42,179 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-03 22:31:42,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-03 22:31:42,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-03 22:31:42,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-03 22:31:42,180 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-03 22:31:42,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-03 22:31:42,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-03 22:31:42,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:31:42,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-03 22:31:42,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-03 22:31:42,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-03 22:31:42,182 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-03 22:31:42,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-03 22:31:42,182 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-03 22:31:42,182 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-03 22:31:42,183 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-03 22:31:42,183 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-03 22:31:42,183 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-03 22:31:42,183 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-06-03 22:31:42,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-03 22:31:42,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-03 22:31:42,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-03 22:31:42,478 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-03 22:31:42,478 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-03 22:31:42,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-05-21_14-57-05.files/mutex-meet/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.yml/witness.yml [2024-06-03 22:31:42,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-03 22:31:42,648 INFO L274 PluginConnector]: CDTParser initialized [2024-06-03 22:31:42,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2024-06-03 22:31:43,649 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-03 22:31:43,843 INFO L384 CDTParser]: Found 1 translation units. [2024-06-03 22:31:43,844 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2024-06-03 22:31:43,857 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933d4fceb/b9cc6fa623614e938f64b408a380c60e/FLAGa56f359b9 [2024-06-03 22:31:43,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/933d4fceb/b9cc6fa623614e938f64b408a380c60e [2024-06-03 22:31:43,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-03 22:31:43,869 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-03 22:31:43,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-03 22:31:43,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-03 22:31:43,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-03 22:31:43,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:31:42" (1/2) ... [2024-06-03 22:31:43,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecfe99d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:31:43, skipping insertion in model container [2024-06-03 22:31:43,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:31:42" (1/2) ... [2024-06-03 22:31:43,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c7847d3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 03.06 10:31:43, skipping insertion in model container [2024-06-03 22:31:43,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:31:43" (2/2) ... [2024-06-03 22:31:43,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ecfe99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:43, skipping insertion in model container [2024-06-03 22:31:43,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.06 10:31:43" (2/2) ... [2024-06-03 22:31:43,877 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-03 22:31:43,950 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-03 22:31:43,950 INFO L97 edCorrectnessWitness]: Location invariant before [L824-L824] (((((((((((((((((! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) && (! multithreaded || z$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || z$read_delayed_var == 0)) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd2 >= 0LL && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$w_buff0) + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )z$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff1 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x + (long long )z$flush_delayed >= 0LL) && (long long )x + (long long )z$mem_tmp >= 0LL) && (long long )x + (long long )z$r_buff0_thd0 >= 0LL) && (long long )x + (long long )z$r_buff0_thd2 >= 0LL) && (long long )x + (long long )z$r_buff0_thd3 >= 0LL) && (long long )x + (long long )z$r_buff1_thd0 >= 0LL) && (long long )x + (long long )z$r_buff1_thd2 >= 0LL) && (long long )x + (long long )z$r_buff1_thd3 >= 0LL) && (long long )x + (long long )z$read_delayed >= 0LL) && (long long )x + (long long )z$w_buff0 >= 0LL) && (long long )x + (long long )z$w_buff1 >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )y + (long long )z$flush_delayed >= 0LL) && (long long )y + (long long )z$mem_tmp >= 0LL) && (long long )y + (long long )z$r_buff0_thd0 >= 0LL) && (long long )y + (long long )z$r_buff0_thd2 >= 0LL) && (long long )y + (long long )z$r_buff0_thd3 >= 0LL) && (long long )y + (long long )z$r_buff1_thd0 >= 0LL) && (long long )y + (long long )z$r_buff1_thd2 >= 0LL) && (long long )y + (long long )z$r_buff1_thd3 >= 0LL) && (long long )y + (long long )z$read_delayed >= 0LL) && (long long )y + (long long )z$w_buff0 >= 0LL) && (long long )y + (long long )z$w_buff1 >= 0LL) && (long long )z + (long long )z$flush_delayed >= 0LL) && (long long )z + (long long )z$mem_tmp >= 0LL) && (long long )z + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z + (long long )z$read_delayed >= 0LL) && (long long )z + (long long )z$w_buff0 >= 0LL) && (long long )z + (long long )z$w_buff1 >= 0LL) && (long long )z$flush_delayed + (long long )z$mem_tmp >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff0 >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$w_buff0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (long long )weak$$choice2 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) - (long long )z$read_delayed >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (4LL - (long long )z$w_buff0) - (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$read_delayed >= 0LL) && (long long )x - (long long )z$r_buff0_thd0 >= 0LL) && (long long )x - (long long )z$r_buff0_thd2 >= 0LL) && (long long )x - (long long )z$r_buff0_thd3 >= 0LL) && (long long )x - (long long )z$r_buff1_thd0 >= 0LL) && (long long )x - (long long )z$r_buff1_thd2 >= 0LL) && (long long )x - (long long )z$r_buff1_thd3 >= 0LL) && (long long )x - (long long )z$read_delayed >= 0LL) && (long long )y - (long long )z$r_buff0_thd0 >= 0LL) && (long long )y - (long long )z$r_buff0_thd2 >= 0LL) && (long long )y - (long long )z$r_buff0_thd3 >= 0LL) && (long long )y - (long long )z$r_buff1_thd0 >= 0LL) && (long long )y - (long long )z$r_buff1_thd2 >= 0LL) && (long long )y - (long long )z$r_buff1_thd3 >= 0LL) && (long long )y - (long long )z$read_delayed >= 0LL) && (long long )z - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z - (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$w_buff0 - (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$read_delayed >= 0LL))) && (! multithreaded || z$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= z$mem_tmp && z$mem_tmp <= 127) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || (((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p2_EAX) && 0 <= x) && 0 <= y) && 0 <= z) && 0 <= z$mem_tmp) && 0 <= z$w_buff0) && 0 <= z$w_buff1) && __unbuffered_p2_EAX <= 1) && y <= 1) && z <= 127) && z$mem_tmp <= 127) && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$flush_delayed == (_Bool)0) && z$r_buff0_thd0 == (_Bool)0) && z$r_buff0_thd2 == (_Bool)0) && z$r_buff0_thd3 == (_Bool)0) && z$r_buff1_thd0 == (_Bool)0) && z$r_buff1_thd2 == (_Bool)0) && z$r_buff1_thd3 == (_Bool)0) && z$read_delayed == (_Bool)0) && z$read_delayed_var == 0) && z$w_buff0 % 2 == 0) && z$w_buff1 % 2 == 0) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (y == 0 || y == 1)) && (z$w_buff0 == 0 || z$w_buff0 == 2)) && (z$w_buff1 == 0 || z$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((z == 0 || z == 1) || z == 2)) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || z$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || ((((0 <= z$w_buff1 && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$w_buff1 % 2 == 0) && (z$w_buff1 == 0 || z$w_buff1 == 2)))) && (! multithreaded || z$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || z$r_buff1_thd3 == (_Bool)0)) && (! multithreaded || z$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || z$read_delayed == (_Bool)0)) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= z && z <= 127) && ((z == 0 || z == 1) || z == 2)))) && (! multithreaded || ((((0 <= z$w_buff0 && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff0 % 2 == 0) && (z$w_buff0 == 0 || z$w_buff0 == 2))) [2024-06-03 22:31:43,951 INFO L97 edCorrectnessWitness]: Location invariant before [L823-L823] (((((((((((((((((! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) && (! multithreaded || z$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || z$read_delayed_var == 0)) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd2 >= 0LL && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$w_buff0) + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )z$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff1 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x + (long long )z$flush_delayed >= 0LL) && (long long )x + (long long )z$mem_tmp >= 0LL) && (long long )x + (long long )z$r_buff0_thd0 >= 0LL) && (long long )x + (long long )z$r_buff0_thd2 >= 0LL) && (long long )x + (long long )z$r_buff0_thd3 >= 0LL) && (long long )x + (long long )z$r_buff1_thd0 >= 0LL) && (long long )x + (long long )z$r_buff1_thd2 >= 0LL) && (long long )x + (long long )z$r_buff1_thd3 >= 0LL) && (long long )x + (long long )z$read_delayed >= 0LL) && (long long )x + (long long )z$w_buff0 >= 0LL) && (long long )x + (long long )z$w_buff1 >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )y + (long long )z$flush_delayed >= 0LL) && (long long )y + (long long )z$mem_tmp >= 0LL) && (long long )y + (long long )z$r_buff0_thd0 >= 0LL) && (long long )y + (long long )z$r_buff0_thd2 >= 0LL) && (long long )y + (long long )z$r_buff0_thd3 >= 0LL) && (long long )y + (long long )z$r_buff1_thd0 >= 0LL) && (long long )y + (long long )z$r_buff1_thd2 >= 0LL) && (long long )y + (long long )z$r_buff1_thd3 >= 0LL) && (long long )y + (long long )z$read_delayed >= 0LL) && (long long )y + (long long )z$w_buff0 >= 0LL) && (long long )y + (long long )z$w_buff1 >= 0LL) && (long long )z + (long long )z$flush_delayed >= 0LL) && (long long )z + (long long )z$mem_tmp >= 0LL) && (long long )z + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z + (long long )z$read_delayed >= 0LL) && (long long )z + (long long )z$w_buff0 >= 0LL) && (long long )z + (long long )z$w_buff1 >= 0LL) && (long long )z$flush_delayed + (long long )z$mem_tmp >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff0 >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$w_buff0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (long long )weak$$choice2 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) - (long long )z$read_delayed >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (4LL - (long long )z$w_buff0) - (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$read_delayed >= 0LL) && (long long )x - (long long )z$r_buff0_thd0 >= 0LL) && (long long )x - (long long )z$r_buff0_thd2 >= 0LL) && (long long )x - (long long )z$r_buff0_thd3 >= 0LL) && (long long )x - (long long )z$r_buff1_thd0 >= 0LL) && (long long )x - (long long )z$r_buff1_thd2 >= 0LL) && (long long )x - (long long )z$r_buff1_thd3 >= 0LL) && (long long )x - (long long )z$read_delayed >= 0LL) && (long long )y - (long long )z$r_buff0_thd0 >= 0LL) && (long long )y - (long long )z$r_buff0_thd2 >= 0LL) && (long long )y - (long long )z$r_buff0_thd3 >= 0LL) && (long long )y - (long long )z$r_buff1_thd0 >= 0LL) && (long long )y - (long long )z$r_buff1_thd2 >= 0LL) && (long long )y - (long long )z$r_buff1_thd3 >= 0LL) && (long long )y - (long long )z$read_delayed >= 0LL) && (long long )z - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z - (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$w_buff0 - (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$read_delayed >= 0LL))) && (! multithreaded || z$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= z$mem_tmp && z$mem_tmp <= 127) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || (((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p2_EAX) && 0 <= x) && 0 <= y) && 0 <= z) && 0 <= z$mem_tmp) && 0 <= z$w_buff0) && 0 <= z$w_buff1) && __unbuffered_p2_EAX <= 1) && y <= 1) && z <= 127) && z$mem_tmp <= 127) && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$flush_delayed == (_Bool)0) && z$r_buff0_thd0 == (_Bool)0) && z$r_buff0_thd2 == (_Bool)0) && z$r_buff0_thd3 == (_Bool)0) && z$r_buff1_thd0 == (_Bool)0) && z$r_buff1_thd2 == (_Bool)0) && z$r_buff1_thd3 == (_Bool)0) && z$read_delayed == (_Bool)0) && z$read_delayed_var == 0) && z$w_buff0 % 2 == 0) && z$w_buff1 % 2 == 0) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (y == 0 || y == 1)) && (z$w_buff0 == 0 || z$w_buff0 == 2)) && (z$w_buff1 == 0 || z$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((z == 0 || z == 1) || z == 2)) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || z$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || ((((0 <= z$w_buff1 && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$w_buff1 % 2 == 0) && (z$w_buff1 == 0 || z$w_buff1 == 2)))) && (! multithreaded || z$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || z$r_buff1_thd3 == (_Bool)0)) && (! multithreaded || z$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || z$read_delayed == (_Bool)0)) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= z && z <= 127) && ((z == 0 || z == 1) || z == 2)))) && (! multithreaded || ((((0 <= z$w_buff0 && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff0 % 2 == 0) && (z$w_buff0 == 0 || z$w_buff0 == 2))) [2024-06-03 22:31:43,951 INFO L97 edCorrectnessWitness]: Location invariant before [L821-L821] (((((((((((((((((! multithreaded || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) && (! multithreaded || z$r_buff0_thd3 == (_Bool)0)) && (! multithreaded || z$read_delayed_var == 0)) && (! multithreaded || (((0 <= x && x <= 2) && x <= 127) && ((x == 0 || x == 1) || x == 2)))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd2 >= 0LL && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$r_buff1_thd3) + (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff0 >= 0LL) && (0LL - (long long )z$read_delayed) + (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$w_buff0) + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )__unbuffered_p2_EAX >= 0LL) && (long long )__unbuffered_cnt + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_cnt + (long long )x >= 0LL) && (long long )__unbuffered_cnt + (long long )y >= 0LL) && (long long )__unbuffered_cnt + (long long )z >= 0LL) && (long long )__unbuffered_cnt + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_cnt + (long long )weak$$choice2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )main$tmp_guard1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )x >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )y >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$flush_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$mem_tmp >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )weak$$choice2 >= 0LL) && (long long )main$tmp_guard1 + (long long )x >= 0LL) && (long long )main$tmp_guard1 + (long long )y >= 0LL) && (long long )main$tmp_guard1 + (long long )z >= 0LL) && (long long )main$tmp_guard1 + (long long )z$flush_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$mem_tmp >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff0 >= 0LL) && (long long )main$tmp_guard1 + (long long )z$w_buff1 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice0 >= 0LL) && (long long )main$tmp_guard1 + (long long )weak$$choice2 >= 0LL) && (long long )x + (long long )y >= 0LL) && (long long )x + (long long )z >= 0LL) && (long long )x + (long long )z$flush_delayed >= 0LL) && (long long )x + (long long )z$mem_tmp >= 0LL) && (long long )x + (long long )z$r_buff0_thd0 >= 0LL) && (long long )x + (long long )z$r_buff0_thd2 >= 0LL) && (long long )x + (long long )z$r_buff0_thd3 >= 0LL) && (long long )x + (long long )z$r_buff1_thd0 >= 0LL) && (long long )x + (long long )z$r_buff1_thd2 >= 0LL) && (long long )x + (long long )z$r_buff1_thd3 >= 0LL) && (long long )x + (long long )z$read_delayed >= 0LL) && (long long )x + (long long )z$w_buff0 >= 0LL) && (long long )x + (long long )z$w_buff1 >= 0LL) && (long long )y + (long long )z >= 0LL) && (long long )y + (long long )z$flush_delayed >= 0LL) && (long long )y + (long long )z$mem_tmp >= 0LL) && (long long )y + (long long )z$r_buff0_thd0 >= 0LL) && (long long )y + (long long )z$r_buff0_thd2 >= 0LL) && (long long )y + (long long )z$r_buff0_thd3 >= 0LL) && (long long )y + (long long )z$r_buff1_thd0 >= 0LL) && (long long )y + (long long )z$r_buff1_thd2 >= 0LL) && (long long )y + (long long )z$r_buff1_thd3 >= 0LL) && (long long )y + (long long )z$read_delayed >= 0LL) && (long long )y + (long long )z$w_buff0 >= 0LL) && (long long )y + (long long )z$w_buff1 >= 0LL) && (long long )z + (long long )z$flush_delayed >= 0LL) && (long long )z + (long long )z$mem_tmp >= 0LL) && (long long )z + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z + (long long )z$read_delayed >= 0LL) && (long long )z + (long long )z$w_buff0 >= 0LL) && (long long )z + (long long )z$w_buff1 >= 0LL) && (long long )z$flush_delayed + (long long )z$mem_tmp >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed + (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$flush_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp + (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff0 >= 0LL) && (long long )z$mem_tmp + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff0_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd0 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd2 + (long long )z$w_buff1 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff0 >= 0LL) && (long long )z$r_buff1_thd3 + (long long )z$w_buff1 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff0 >= 0LL) && (long long )z$read_delayed + (long long )z$w_buff1 >= 0LL) && (long long )z$w_buff0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )x >= 0LL) && (long long )weak$$choice0 + (long long )y >= 0LL) && (long long )weak$$choice0 + (long long )z >= 0LL) && (long long )weak$$choice0 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice0 + (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 + (long long )weak$$choice2 >= 0LL) && (long long )weak$$choice2 + (long long )x >= 0LL) && (long long )weak$$choice2 + (long long )y >= 0LL) && (long long )weak$$choice2 + (long long )z >= 0LL) && (long long )weak$$choice2 + (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$mem_tmp >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 + (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 + (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff0 >= 0LL) && (long long )weak$$choice2 + (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_cnt) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )__unbuffered_p2_EAX) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )main$tmp_guard1) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )x) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )y) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$flush_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$mem_tmp) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice0) - (long long )z$w_buff1 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff0 >= 0LL) && (2LL + (long long )weak$$choice2) - (long long )z$w_buff1 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff0_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd0 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff0_thd3) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd2 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd0) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$r_buff1_thd3 >= 0LL) && (0LL - (long long )z$r_buff1_thd2) - (long long )z$read_delayed >= 0LL) && (0LL - (long long )z$r_buff1_thd3) - (long long )z$read_delayed >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff0_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd0) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd2) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$r_buff1_thd3) - (long long )z$w_buff1 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff0 >= 0LL) && (2LL - (long long )z$read_delayed) - (long long )z$w_buff1 >= 0LL) && (4LL - (long long )z$w_buff0) - (long long )z$w_buff1 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_cnt - (long long )z$read_delayed >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff0_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd0 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd2 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$r_buff1_thd3 >= 0LL) && (long long )__unbuffered_p2_EAX - (long long )z$read_delayed >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )main$tmp_guard1 - (long long )z$read_delayed >= 0LL) && (long long )x - (long long )z$r_buff0_thd0 >= 0LL) && (long long )x - (long long )z$r_buff0_thd2 >= 0LL) && (long long )x - (long long )z$r_buff0_thd3 >= 0LL) && (long long )x - (long long )z$r_buff1_thd0 >= 0LL) && (long long )x - (long long )z$r_buff1_thd2 >= 0LL) && (long long )x - (long long )z$r_buff1_thd3 >= 0LL) && (long long )x - (long long )z$read_delayed >= 0LL) && (long long )y - (long long )z$r_buff0_thd0 >= 0LL) && (long long )y - (long long )z$r_buff0_thd2 >= 0LL) && (long long )y - (long long )z$r_buff0_thd3 >= 0LL) && (long long )y - (long long )z$r_buff1_thd0 >= 0LL) && (long long )y - (long long )z$r_buff1_thd2 >= 0LL) && (long long )y - (long long )z$r_buff1_thd3 >= 0LL) && (long long )y - (long long )z$read_delayed >= 0LL) && (long long )z - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z - (long long )z$read_delayed >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$flush_delayed - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$flush_delayed - (long long )z$read_delayed >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$mem_tmp - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$mem_tmp - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff0_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd0 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )z$r_buff1_thd2 - (long long )z$read_delayed >= 0LL) && (long long )z$r_buff1_thd3 - (long long )z$read_delayed >= 0LL) && (long long )z$w_buff0 - (long long )z$w_buff1 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice0 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice0 - (long long )z$read_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$flush_delayed >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff0_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd0 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd2 >= 0LL) && (long long )weak$$choice2 - (long long )z$r_buff1_thd3 >= 0LL) && (long long )weak$$choice2 - (long long )z$read_delayed >= 0LL))) && (! multithreaded || z$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || ((0 <= z$mem_tmp && z$mem_tmp <= 127) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || (((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt && 0 <= __unbuffered_p2_EAX) && 0 <= x) && 0 <= y) && 0 <= z) && 0 <= z$mem_tmp) && 0 <= z$w_buff0) && 0 <= z$w_buff1) && __unbuffered_p2_EAX <= 1) && y <= 1) && z <= 127) && z$mem_tmp <= 127) && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$flush_delayed == (_Bool)0) && z$r_buff0_thd0 == (_Bool)0) && z$r_buff0_thd2 == (_Bool)0) && z$r_buff0_thd3 == (_Bool)0) && z$r_buff1_thd0 == (_Bool)0) && z$r_buff1_thd2 == (_Bool)0) && z$r_buff1_thd3 == (_Bool)0) && z$read_delayed == (_Bool)0) && z$read_delayed_var == 0) && z$w_buff0 % 2 == 0) && z$w_buff1 % 2 == 0) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (y == 0 || y == 1)) && (z$w_buff0 == 0 || z$w_buff0 == 2)) && (z$w_buff1 == 0 || z$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((z == 0 || z == 1) || z == 2)) && ((z$mem_tmp == 0 || z$mem_tmp == 1) || z$mem_tmp == 2)))) && (! multithreaded || z$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || ((((0 <= z$w_buff1 && z$w_buff1 <= 2) && z$w_buff1 <= 127) && z$w_buff1 % 2 == 0) && (z$w_buff1 == 0 || z$w_buff1 == 2)))) && (! multithreaded || z$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || z$r_buff1_thd3 == (_Bool)0)) && (! multithreaded || z$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || z$read_delayed == (_Bool)0)) && (! multithreaded || ((0 <= y && y <= 1) && (y == 0 || y == 1)))) && (! multithreaded || ((0 <= z && z <= 127) && ((z == 0 || z == 1) || z == 2)))) && (! multithreaded || ((((0 <= z$w_buff0 && z$w_buff0 <= 2) && z$w_buff0 <= 127) && z$w_buff0 % 2 == 0) && (z$w_buff0 == 0 || z$w_buff0 == 2))) [2024-06-03 22:31:43,951 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-03 22:31:43,951 INFO L106 edCorrectnessWitness]: ghost_update [L819-L819] multithreaded = 1; [2024-06-03 22:31:43,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-03 22:31:44,259 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:31:44,281 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-03 22:31:44,558 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-03 22:31:44,611 INFO L206 MainTranslator]: Completed translation [2024-06-03 22:31:44,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44 WrapperNode [2024-06-03 22:31:44,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-03 22:31:44,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-03 22:31:44,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-03 22:31:44,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-03 22:31:44,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,734 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 143 [2024-06-03 22:31:44,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-03 22:31:44,735 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-03 22:31:44,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-03 22:31:44,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-03 22:31:44,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,806 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,854 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 22:31:44,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-03 22:31:44,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-03 22:31:44,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-03 22:31:44,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-03 22:31:44,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (1/1) ... [2024-06-03 22:31:44,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-03 22:31:44,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-03 22:31:44,973 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 22:31:44,991 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 22:31:45,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-03 22:31:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-03 22:31:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-03 22:31:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-03 22:31:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-03 22:31:45,007 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-03 22:31:45,007 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-03 22:31:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-03 22:31:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-03 22:31:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-03 22:31:45,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-03 22:31:45,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-03 22:31:45,010 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 22:31:45,154 INFO L244 CfgBuilder]: Building ICFG [2024-06-03 22:31:45,156 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-03 22:31:46,086 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-03 22:31:46,087 INFO L293 CfgBuilder]: Performing block encoding [2024-06-03 22:31:46,331 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-03 22:31:46,331 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-03 22:31:46,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:31:46 BoogieIcfgContainer [2024-06-03 22:31:46,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-03 22:31:46,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-03 22:31:46,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-03 22:31:46,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-03 22:31:46,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 03.06 10:31:42" (1/4) ... [2024-06-03 22:31:46,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205e43e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 03.06 10:31:46, skipping insertion in model container [2024-06-03 22:31:46,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.06 10:31:43" (2/4) ... [2024-06-03 22:31:46,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205e43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 10:31:46, skipping insertion in model container [2024-06-03 22:31:46,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.06 10:31:44" (3/4) ... [2024-06-03 22:31:46,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6205e43e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.06 10:31:46, skipping insertion in model container [2024-06-03 22:31:46,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.06 10:31:46" (4/4) ... [2024-06-03 22:31:46,340 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_power.oepc_pso.oepc_rmo.oepc_rmo.opt.i [2024-06-03 22:31:46,353 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-03 22:31:46,353 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-06-03 22:31:46,354 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-03 22:31:46,453 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-03 22:31:46,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 94 flow [2024-06-03 22:31:46,532 INFO L124 PetriNetUnfolderBase]: 0/38 cut-off events. [2024-06-03 22:31:46,532 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 22:31:46,537 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-06-03 22:31:46,537 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 41 transitions, 94 flow [2024-06-03 22:31:46,540 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 42 places, 32 transitions, 73 flow [2024-06-03 22:31:46,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-03 22:31:46,555 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;@34417bbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-03 22:31:46,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-06-03 22:31:46,561 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-03 22:31:46,562 INFO L124 PetriNetUnfolderBase]: 0/6 cut-off events. [2024-06-03 22:31:46,562 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-03 22:31:46,562 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:31:46,563 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-06-03 22:31:46,563 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 22:31:46,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:31:46,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1456369184, now seen corresponding path program 1 times [2024-06-03 22:31:46,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:31:46,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779845736] [2024-06-03 22:31:46,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:31:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:31:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:31:50,706 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 22:31:50,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:31:50,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779845736] [2024-06-03 22:31:50,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779845736] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:31:50,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:31:50,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-03 22:31:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957633015] [2024-06-03 22:31:50,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:31:50,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-03 22:31:50,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:31:50,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-03 22:31:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-03 22:31:50,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-06-03 22:31:50,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 32 transitions, 73 flow. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 22:31:50,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:31:50,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-06-03 22:31:50,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:31:51,596 INFO L124 PetriNetUnfolderBase]: 1407/2119 cut-off events. [2024-06-03 22:31:51,596 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-06-03 22:31:51,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4325 conditions, 2119 events. 1407/2119 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9680 event pairs, 989 based on Foata normal form. 1/2076 useless extension candidates. Maximal degree in co-relation 4310. Up to 2105 conditions per place. [2024-06-03 22:31:51,615 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 34 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2024-06-03 22:31:51,615 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 42 transitions, 175 flow [2024-06-03 22:31:51,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-03 22:31:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-03 22:31:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 68 transitions. [2024-06-03 22:31:51,626 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5528455284552846 [2024-06-03 22:31:51,627 INFO L175 Difference]: Start difference. First operand has 42 places, 32 transitions, 73 flow. Second operand 3 states and 68 transitions. [2024-06-03 22:31:51,628 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 42 transitions, 175 flow [2024-06-03 22:31:51,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 42 transitions, 170 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-06-03 22:31:51,632 INFO L231 Difference]: Finished difference. Result has 42 places, 35 transitions, 100 flow [2024-06-03 22:31:51,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2024-06-03 22:31:51,637 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2024-06-03 22:31:51,637 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 100 flow [2024-06-03 22:31:51,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states 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 22:31:51,637 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:31:51,638 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:31:51,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-03 22:31:51,639 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 22:31:51,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:31:51,640 INFO L85 PathProgramCache]: Analyzing trace with hash 588573823, now seen corresponding path program 1 times [2024-06-03 22:31:51,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:31:51,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901628299] [2024-06-03 22:31:51,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:31:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:31:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:31:55,140 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 22:31:55,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:31:55,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901628299] [2024-06-03 22:31:55,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901628299] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:31:55,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:31:55,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-03 22:31:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487689659] [2024-06-03 22:31:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:31:55,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-03 22:31:55,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:31:55,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-03 22:31:55,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-03 22:31:55,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-06-03 22:31:55,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 22:31:55,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:31:55,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-06-03 22:31:55,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:31:55,917 INFO L124 PetriNetUnfolderBase]: 1401/2110 cut-off events. [2024-06-03 22:31:55,918 INFO L125 PetriNetUnfolderBase]: For 403/411 co-relation queries the response was YES. [2024-06-03 22:31:55,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4869 conditions, 2110 events. 1401/2110 cut-off events. For 403/411 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 9515 event pairs, 864 based on Foata normal form. 6/2113 useless extension candidates. Maximal degree in co-relation 4854. Up to 2081 conditions per place. [2024-06-03 22:31:55,930 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 41 selfloop transitions, 7 changer transitions 0/52 dead transitions. [2024-06-03 22:31:55,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 52 transitions, 242 flow [2024-06-03 22:31:55,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-03 22:31:55,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-03 22:31:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-06-03 22:31:55,935 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5304878048780488 [2024-06-03 22:31:55,935 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 100 flow. Second operand 4 states and 87 transitions. [2024-06-03 22:31:55,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 52 transitions, 242 flow [2024-06-03 22:31:55,936 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 52 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-03 22:31:55,938 INFO L231 Difference]: Finished difference. Result has 45 places, 38 transitions, 136 flow [2024-06-03 22:31:55,939 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2024-06-03 22:31:55,939 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 3 predicate places. [2024-06-03 22:31:55,939 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 136 flow [2024-06-03 22:31:55,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 22:31:55,940 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:31:55,941 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:31:55,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-03 22:31:55,943 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 22:31:55,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:31:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1065920051, now seen corresponding path program 1 times [2024-06-03 22:31:55,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:31:55,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20332312] [2024-06-03 22:31:55,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:31:55,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:31:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:31:58,624 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 22:31:58,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:31:58,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20332312] [2024-06-03 22:31:58,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20332312] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:31:58,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:31:58,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-03 22:31:58,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984854095] [2024-06-03 22:31:58,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:31:58,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-03 22:31:58,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:31:58,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-03 22:31:58,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-03 22:31:58,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-06-03 22:31:58,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 136 flow. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:31:58,735 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:31:58,735 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-06-03 22:31:58,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:31:59,462 INFO L124 PetriNetUnfolderBase]: 1409/2124 cut-off events. [2024-06-03 22:31:59,462 INFO L125 PetriNetUnfolderBase]: For 1116/1122 co-relation queries the response was YES. [2024-06-03 22:31:59,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5448 conditions, 2124 events. 1409/2124 cut-off events. For 1116/1122 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 9556 event pairs, 673 based on Foata normal form. 9/2127 useless extension candidates. Maximal degree in co-relation 5431. Up to 2027 conditions per place. [2024-06-03 22:31:59,472 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 54 selfloop transitions, 16 changer transitions 0/74 dead transitions. [2024-06-03 22:31:59,472 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 74 transitions, 396 flow [2024-06-03 22:31:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:31:59,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:31:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2024-06-03 22:31:59,477 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5560975609756098 [2024-06-03 22:31:59,477 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 136 flow. Second operand 5 states and 114 transitions. [2024-06-03 22:31:59,477 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 74 transitions, 396 flow [2024-06-03 22:31:59,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 74 transitions, 382 flow, removed 2 selfloop flow, removed 2 redundant places. [2024-06-03 22:31:59,481 INFO L231 Difference]: Finished difference. Result has 50 places, 49 transitions, 235 flow [2024-06-03 22:31:59,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=235, PETRI_PLACES=50, PETRI_TRANSITIONS=49} [2024-06-03 22:31:59,482 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 8 predicate places. [2024-06-03 22:31:59,482 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 235 flow [2024-06-03 22:31:59,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:31:59,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:31:59,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:31:59,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-03 22:31:59,483 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:31:59,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:31:59,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1316216034, now seen corresponding path program 1 times [2024-06-03 22:31:59,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:31:59,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659084200] [2024-06-03 22:31:59,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:31:59,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:31:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:02,536 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 22:32:02,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:02,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659084200] [2024-06-03 22:32:02,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659084200] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:02,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:02,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 22:32:02,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387351487] [2024-06-03 22:32:02,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:02,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 22:32:02,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:02,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 22:32:02,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-03 22:32:02,664 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-06-03 22:32:02,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 235 flow. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 22:32:02,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:02,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-06-03 22:32:02,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:03,451 INFO L124 PetriNetUnfolderBase]: 1461/2198 cut-off events. [2024-06-03 22:32:03,452 INFO L125 PetriNetUnfolderBase]: For 2704/2723 co-relation queries the response was YES. [2024-06-03 22:32:03,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6607 conditions, 2198 events. 1461/2198 cut-off events. For 2704/2723 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9922 event pairs, 550 based on Foata normal form. 17/2209 useless extension candidates. Maximal degree in co-relation 6587. Up to 1944 conditions per place. [2024-06-03 22:32:03,463 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 73 selfloop transitions, 27 changer transitions 0/104 dead transitions. [2024-06-03 22:32:03,463 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 104 transitions, 641 flow [2024-06-03 22:32:03,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:32:03,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:32:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 143 transitions. [2024-06-03 22:32:03,466 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5813008130081301 [2024-06-03 22:32:03,466 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 235 flow. Second operand 6 states and 143 transitions. [2024-06-03 22:32:03,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 104 transitions, 641 flow [2024-06-03 22:32:03,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 104 transitions, 633 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-06-03 22:32:03,473 INFO L231 Difference]: Finished difference. Result has 59 places, 65 transitions, 412 flow [2024-06-03 22:32:03,473 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=412, PETRI_PLACES=59, PETRI_TRANSITIONS=65} [2024-06-03 22:32:03,474 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 17 predicate places. [2024-06-03 22:32:03,475 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 65 transitions, 412 flow [2024-06-03 22:32:03,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 22:32:03,475 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:03,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:03,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-03 22:32:03,475 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 22:32:03,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:03,476 INFO L85 PathProgramCache]: Analyzing trace with hash 2146976690, now seen corresponding path program 1 times [2024-06-03 22:32:03,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:03,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296015911] [2024-06-03 22:32:03,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:03,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:06,562 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 22:32:06,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:06,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296015911] [2024-06-03 22:32:06,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296015911] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:06,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:06,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:32:06,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202062057] [2024-06-03 22:32:06,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:06,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:32:06,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:06,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:32:06,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:32:06,732 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 41 [2024-06-03 22:32:06,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 65 transitions, 412 flow. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 22:32:06,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:06,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 41 [2024-06-03 22:32:06,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:07,636 INFO L124 PetriNetUnfolderBase]: 1571/2376 cut-off events. [2024-06-03 22:32:07,637 INFO L125 PetriNetUnfolderBase]: For 6084/6103 co-relation queries the response was YES. [2024-06-03 22:32:07,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8662 conditions, 2376 events. 1571/2376 cut-off events. For 6084/6103 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10997 event pairs, 422 based on Foata normal form. 38/2408 useless extension candidates. Maximal degree in co-relation 8636. Up to 1954 conditions per place. [2024-06-03 22:32:07,651 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 81 selfloop transitions, 30 changer transitions 0/115 dead transitions. [2024-06-03 22:32:07,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 115 transitions, 830 flow [2024-06-03 22:32:07,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:32:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:32:07,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2024-06-03 22:32:07,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5679442508710801 [2024-06-03 22:32:07,652 INFO L175 Difference]: Start difference. First operand has 59 places, 65 transitions, 412 flow. Second operand 7 states and 163 transitions. [2024-06-03 22:32:07,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 115 transitions, 830 flow [2024-06-03 22:32:07,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 115 transitions, 812 flow, removed 9 selfloop flow, removed 0 redundant places. [2024-06-03 22:32:07,662 INFO L231 Difference]: Finished difference. Result has 65 places, 67 transitions, 487 flow [2024-06-03 22:32:07,662 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=487, PETRI_PLACES=65, PETRI_TRANSITIONS=67} [2024-06-03 22:32:07,664 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 23 predicate places. [2024-06-03 22:32:07,664 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 67 transitions, 487 flow [2024-06-03 22:32:07,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 22:32:07,665 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:07,665 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:07,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-03 22:32:07,666 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 22:32:07,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:07,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1906059420, now seen corresponding path program 1 times [2024-06-03 22:32:07,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:07,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904112837] [2024-06-03 22:32:07,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:07,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:13,649 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 22:32:13,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:13,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904112837] [2024-06-03 22:32:13,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904112837] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:13,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:13,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-03 22:32:13,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493217578] [2024-06-03 22:32:13,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:13,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-03 22:32:13,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:13,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-03 22:32:13,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-06-03 22:32:13,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:32:13,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 67 transitions, 487 flow. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 22:32:13,760 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:13,760 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:32:13,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:14,526 INFO L124 PetriNetUnfolderBase]: 1566/2367 cut-off events. [2024-06-03 22:32:14,527 INFO L125 PetriNetUnfolderBase]: For 7289/7304 co-relation queries the response was YES. [2024-06-03 22:32:14,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9232 conditions, 2367 events. 1566/2367 cut-off events. For 7289/7304 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 10957 event pairs, 574 based on Foata normal form. 11/2375 useless extension candidates. Maximal degree in co-relation 9203. Up to 2344 conditions per place. [2024-06-03 22:32:14,541 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 66 selfloop transitions, 8 changer transitions 0/78 dead transitions. [2024-06-03 22:32:14,542 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 78 transitions, 663 flow [2024-06-03 22:32:14,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:32:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:32:14,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2024-06-03 22:32:14,543 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4195121951219512 [2024-06-03 22:32:14,543 INFO L175 Difference]: Start difference. First operand has 65 places, 67 transitions, 487 flow. Second operand 5 states and 86 transitions. [2024-06-03 22:32:14,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 78 transitions, 663 flow [2024-06-03 22:32:14,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 78 transitions, 590 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-06-03 22:32:14,549 INFO L231 Difference]: Finished difference. Result has 65 places, 67 transitions, 438 flow [2024-06-03 22:32:14,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=438, PETRI_PLACES=65, PETRI_TRANSITIONS=67} [2024-06-03 22:32:14,550 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 23 predicate places. [2024-06-03 22:32:14,550 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 67 transitions, 438 flow [2024-06-03 22:32:14,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states 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 22:32:14,550 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:14,550 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:14,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-03 22:32:14,550 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 22:32:14,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:14,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1081397346, now seen corresponding path program 1 times [2024-06-03 22:32:14,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:14,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589031416] [2024-06-03 22:32:14,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:22,162 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 22:32:22,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:22,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589031416] [2024-06-03 22:32:22,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589031416] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:22,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:22,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:32:22,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357507834] [2024-06-03 22:32:22,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:22,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:32:22,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:22,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:32:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:32:22,235 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:32:22,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 67 transitions, 438 flow. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 22:32:22,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:22,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:32:22,235 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:23,206 INFO L124 PetriNetUnfolderBase]: 1813/2722 cut-off events. [2024-06-03 22:32:23,206 INFO L125 PetriNetUnfolderBase]: For 8294/8294 co-relation queries the response was YES. [2024-06-03 22:32:23,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10103 conditions, 2722 events. 1813/2722 cut-off events. For 8294/8294 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 12764 event pairs, 681 based on Foata normal form. 4/2724 useless extension candidates. Maximal degree in co-relation 10072. Up to 2682 conditions per place. [2024-06-03 22:32:23,219 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 78 selfloop transitions, 11 changer transitions 0/92 dead transitions. [2024-06-03 22:32:23,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 92 transitions, 719 flow [2024-06-03 22:32:23,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:32:23,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:32:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 97 transitions. [2024-06-03 22:32:23,221 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3943089430894309 [2024-06-03 22:32:23,221 INFO L175 Difference]: Start difference. First operand has 65 places, 67 transitions, 438 flow. Second operand 6 states and 97 transitions. [2024-06-03 22:32:23,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 92 transitions, 719 flow [2024-06-03 22:32:23,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 92 transitions, 687 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-06-03 22:32:23,227 INFO L231 Difference]: Finished difference. Result has 69 places, 76 transitions, 521 flow [2024-06-03 22:32:23,227 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=521, PETRI_PLACES=69, PETRI_TRANSITIONS=76} [2024-06-03 22:32:23,228 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 27 predicate places. [2024-06-03 22:32:23,228 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 76 transitions, 521 flow [2024-06-03 22:32:23,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 0 states have call successors, (0), 0 states 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 22:32:23,228 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:23,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:23,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-03 22:32:23,229 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 22:32:23,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:23,229 INFO L85 PathProgramCache]: Analyzing trace with hash -807427385, now seen corresponding path program 1 times [2024-06-03 22:32:23,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:23,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74957556] [2024-06-03 22:32:23,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:23,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:27,701 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 22:32:27,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:27,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74957556] [2024-06-03 22:32:27,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74957556] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:27,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:27,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:32:27,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268463424] [2024-06-03 22:32:27,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:27,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:32:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:32:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:32:27,795 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:32:27,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 76 transitions, 521 flow. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:32:27,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:27,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:32:27,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:28,589 INFO L124 PetriNetUnfolderBase]: 1720/2595 cut-off events. [2024-06-03 22:32:28,589 INFO L125 PetriNetUnfolderBase]: For 10178/10244 co-relation queries the response was YES. [2024-06-03 22:32:28,594 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10448 conditions, 2595 events. 1720/2595 cut-off events. For 10178/10244 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 12119 event pairs, 617 based on Foata normal form. 26/2604 useless extension candidates. Maximal degree in co-relation 10415. Up to 2480 conditions per place. [2024-06-03 22:32:28,602 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 70 selfloop transitions, 22 changer transitions 0/99 dead transitions. [2024-06-03 22:32:28,603 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 99 transitions, 812 flow [2024-06-03 22:32:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:32:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:32:28,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 110 transitions. [2024-06-03 22:32:28,604 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44715447154471544 [2024-06-03 22:32:28,604 INFO L175 Difference]: Start difference. First operand has 69 places, 76 transitions, 521 flow. Second operand 6 states and 110 transitions. [2024-06-03 22:32:28,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 99 transitions, 812 flow [2024-06-03 22:32:28,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 99 transitions, 806 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-06-03 22:32:28,612 INFO L231 Difference]: Finished difference. Result has 74 places, 79 transitions, 600 flow [2024-06-03 22:32:28,612 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=515, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=600, PETRI_PLACES=74, PETRI_TRANSITIONS=79} [2024-06-03 22:32:28,612 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 32 predicate places. [2024-06-03 22:32:28,612 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 79 transitions, 600 flow [2024-06-03 22:32:28,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:32:28,613 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:28,613 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:28,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-06-03 22:32:28,613 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 22:32:28,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash -767578745, now seen corresponding path program 2 times [2024-06-03 22:32:28,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:28,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765646954] [2024-06-03 22:32:28,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:28,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:32,999 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 22:32:32,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:32,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765646954] [2024-06-03 22:32:32,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765646954] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:32,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:32,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:32:32,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791295820] [2024-06-03 22:32:32,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:33,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:32:33,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:33,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:32:33,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:32:33,083 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:32:33,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 79 transitions, 600 flow. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:32:33,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:33,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:32:33,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:33,851 INFO L124 PetriNetUnfolderBase]: 1703/2567 cut-off events. [2024-06-03 22:32:33,851 INFO L125 PetriNetUnfolderBase]: For 11718/11796 co-relation queries the response was YES. [2024-06-03 22:32:33,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10624 conditions, 2567 events. 1703/2567 cut-off events. For 11718/11796 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 11944 event pairs, 613 based on Foata normal form. 6/2560 useless extension candidates. Maximal degree in co-relation 10588. Up to 2521 conditions per place. [2024-06-03 22:32:33,863 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 71 selfloop transitions, 17 changer transitions 0/95 dead transitions. [2024-06-03 22:32:33,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 95 transitions, 832 flow [2024-06-03 22:32:33,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:32:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:32:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 110 transitions. [2024-06-03 22:32:33,865 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3832752613240418 [2024-06-03 22:32:33,865 INFO L175 Difference]: Start difference. First operand has 74 places, 79 transitions, 600 flow. Second operand 7 states and 110 transitions. [2024-06-03 22:32:33,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 95 transitions, 832 flow [2024-06-03 22:32:33,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 95 transitions, 798 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-06-03 22:32:33,876 INFO L231 Difference]: Finished difference. Result has 79 places, 81 transitions, 634 flow [2024-06-03 22:32:33,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=567, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=634, PETRI_PLACES=79, PETRI_TRANSITIONS=81} [2024-06-03 22:32:33,877 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 37 predicate places. [2024-06-03 22:32:33,877 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 81 transitions, 634 flow [2024-06-03 22:32:33,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:32:33,877 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:33,878 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:33,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-06-03 22:32:33,878 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 22:32:33,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:33,878 INFO L85 PathProgramCache]: Analyzing trace with hash -18086433, now seen corresponding path program 1 times [2024-06-03 22:32:33,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:33,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110215802] [2024-06-03 22:32:33,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:33,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:39,463 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 22:32:39,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:39,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110215802] [2024-06-03 22:32:39,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110215802] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:39,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:39,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:32:39,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967003671] [2024-06-03 22:32:39,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:39,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:32:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:39,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:32:39,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:32:39,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:32:39,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 81 transitions, 634 flow. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:39,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:39,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:32:39,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:40,412 INFO L124 PetriNetUnfolderBase]: 1872/2805 cut-off events. [2024-06-03 22:32:40,412 INFO L125 PetriNetUnfolderBase]: For 14050/14052 co-relation queries the response was YES. [2024-06-03 22:32:40,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11506 conditions, 2805 events. 1872/2805 cut-off events. For 14050/14052 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13030 event pairs, 590 based on Foata normal form. 8/2811 useless extension candidates. Maximal degree in co-relation 11468. Up to 2589 conditions per place. [2024-06-03 22:32:40,425 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 101 selfloop transitions, 24 changer transitions 0/128 dead transitions. [2024-06-03 22:32:40,426 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 128 transitions, 1153 flow [2024-06-03 22:32:40,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:32:40,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:32:40,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 124 transitions. [2024-06-03 22:32:40,434 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43205574912891986 [2024-06-03 22:32:40,434 INFO L175 Difference]: Start difference. First operand has 79 places, 81 transitions, 634 flow. Second operand 7 states and 124 transitions. [2024-06-03 22:32:40,434 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 128 transitions, 1153 flow [2024-06-03 22:32:40,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 128 transitions, 1072 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-06-03 22:32:40,445 INFO L231 Difference]: Finished difference. Result has 83 places, 98 transitions, 787 flow [2024-06-03 22:32:40,445 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=572, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=787, PETRI_PLACES=83, PETRI_TRANSITIONS=98} [2024-06-03 22:32:40,446 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 41 predicate places. [2024-06-03 22:32:40,446 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 98 transitions, 787 flow [2024-06-03 22:32:40,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:40,446 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:40,446 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:40,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-06-03 22:32:40,447 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 22:32:40,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:40,447 INFO L85 PathProgramCache]: Analyzing trace with hash -344770917, now seen corresponding path program 2 times [2024-06-03 22:32:40,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:40,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361188150] [2024-06-03 22:32:40,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:40,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:46,123 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 22:32:46,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:46,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361188150] [2024-06-03 22:32:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361188150] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:32:46,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11054854] [2024-06-03 22:32:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:46,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:32:46,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:46,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:32:46,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:32:46,225 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:32:46,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 98 transitions, 787 flow. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:46,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:46,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:32:46,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:47,128 INFO L124 PetriNetUnfolderBase]: 1894/2836 cut-off events. [2024-06-03 22:32:47,128 INFO L125 PetriNetUnfolderBase]: For 16734/16734 co-relation queries the response was YES. [2024-06-03 22:32:47,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12646 conditions, 2836 events. 1894/2836 cut-off events. For 16734/16734 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13084 event pairs, 616 based on Foata normal form. 4/2838 useless extension candidates. Maximal degree in co-relation 12604. Up to 2787 conditions per place. [2024-06-03 22:32:47,145 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 102 selfloop transitions, 15 changer transitions 0/120 dead transitions. [2024-06-03 22:32:47,145 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 120 transitions, 1093 flow [2024-06-03 22:32:47,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:32:47,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:32:47,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2024-06-03 22:32:47,146 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3867595818815331 [2024-06-03 22:32:47,146 INFO L175 Difference]: Start difference. First operand has 83 places, 98 transitions, 787 flow. Second operand 7 states and 111 transitions. [2024-06-03 22:32:47,146 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 120 transitions, 1093 flow [2024-06-03 22:32:47,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 120 transitions, 1073 flow, removed 9 selfloop flow, removed 1 redundant places. [2024-06-03 22:32:47,159 INFO L231 Difference]: Finished difference. Result has 89 places, 101 transitions, 833 flow [2024-06-03 22:32:47,160 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=769, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=833, PETRI_PLACES=89, PETRI_TRANSITIONS=101} [2024-06-03 22:32:47,160 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 47 predicate places. [2024-06-03 22:32:47,160 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 101 transitions, 833 flow [2024-06-03 22:32:47,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:47,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:47,161 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:47,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-06-03 22:32:47,161 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 22:32:47,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:47,161 INFO L85 PathProgramCache]: Analyzing trace with hash 159045087, now seen corresponding path program 3 times [2024-06-03 22:32:47,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:47,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274467621] [2024-06-03 22:32:47,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:47,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:32:52,921 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 22:32:52,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:32:52,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274467621] [2024-06-03 22:32:52,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274467621] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:32:52,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:32:52,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:32:52,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533761280] [2024-06-03 22:32:52,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:32:52,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:32:52,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:32:52,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:32:52,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:32:53,009 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:32:53,010 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 101 transitions, 833 flow. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:53,010 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:32:53,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:32:53,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:32:53,870 INFO L124 PetriNetUnfolderBase]: 1884/2822 cut-off events. [2024-06-03 22:32:53,870 INFO L125 PetriNetUnfolderBase]: For 19275/19275 co-relation queries the response was YES. [2024-06-03 22:32:53,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12904 conditions, 2822 events. 1884/2822 cut-off events. For 19275/19275 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 12999 event pairs, 614 based on Foata normal form. 4/2824 useless extension candidates. Maximal degree in co-relation 12859. Up to 2746 conditions per place. [2024-06-03 22:32:53,881 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 104 selfloop transitions, 20 changer transitions 0/127 dead transitions. [2024-06-03 22:32:53,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 127 transitions, 1188 flow [2024-06-03 22:32:53,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:32:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:32:53,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2024-06-03 22:32:53,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.397212543554007 [2024-06-03 22:32:53,884 INFO L175 Difference]: Start difference. First operand has 89 places, 101 transitions, 833 flow. Second operand 7 states and 114 transitions. [2024-06-03 22:32:53,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 127 transitions, 1188 flow [2024-06-03 22:32:53,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 127 transitions, 1149 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-06-03 22:32:53,898 INFO L231 Difference]: Finished difference. Result has 92 places, 107 transitions, 913 flow [2024-06-03 22:32:53,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=794, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=913, PETRI_PLACES=92, PETRI_TRANSITIONS=107} [2024-06-03 22:32:53,898 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 50 predicate places. [2024-06-03 22:32:53,899 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 107 transitions, 913 flow [2024-06-03 22:32:53,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 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 22:32:53,899 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:32:53,899 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:32:53,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-06-03 22:32:53,899 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 22:32:53,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:32:53,900 INFO L85 PathProgramCache]: Analyzing trace with hash 159291165, now seen corresponding path program 1 times [2024-06-03 22:32:53,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:32:53,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331824708] [2024-06-03 22:32:53,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:32:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:32:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:01,123 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 22:33:01,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:01,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331824708] [2024-06-03 22:33:01,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331824708] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:01,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:01,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:33:01,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511988302] [2024-06-03 22:33:01,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:01,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:33:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:01,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:33:01,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:33:01,274 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:01,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 107 transitions, 913 flow. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:01,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:01,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:01,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:02,256 INFO L124 PetriNetUnfolderBase]: 1876/2810 cut-off events. [2024-06-03 22:33:02,257 INFO L125 PetriNetUnfolderBase]: For 21960/21960 co-relation queries the response was YES. [2024-06-03 22:33:02,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13207 conditions, 2810 events. 1876/2810 cut-off events. For 21960/21960 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 12941 event pairs, 595 based on Foata normal form. 4/2812 useless extension candidates. Maximal degree in co-relation 13161. Up to 2752 conditions per place. [2024-06-03 22:33:02,272 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 109 selfloop transitions, 16 changer transitions 0/128 dead transitions. [2024-06-03 22:33:02,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 128 transitions, 1225 flow [2024-06-03 22:33:02,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:33:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:33:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2024-06-03 22:33:02,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3867595818815331 [2024-06-03 22:33:02,274 INFO L175 Difference]: Start difference. First operand has 92 places, 107 transitions, 913 flow. Second operand 7 states and 111 transitions. [2024-06-03 22:33:02,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 128 transitions, 1225 flow [2024-06-03 22:33:02,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 128 transitions, 1198 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-06-03 22:33:02,289 INFO L231 Difference]: Finished difference. Result has 96 places, 109 transitions, 943 flow [2024-06-03 22:33:02,289 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=886, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=943, PETRI_PLACES=96, PETRI_TRANSITIONS=109} [2024-06-03 22:33:02,290 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 54 predicate places. [2024-06-03 22:33:02,290 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 109 transitions, 943 flow [2024-06-03 22:33:02,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:02,290 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:02,290 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:02,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-06-03 22:33:02,291 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 22:33:02,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash 273043504, now seen corresponding path program 1 times [2024-06-03 22:33:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:02,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099955311] [2024-06-03 22:33:02,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:02,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:08,431 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 22:33:08,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:08,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099955311] [2024-06-03 22:33:08,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099955311] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:08,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:08,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:33:08,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889137468] [2024-06-03 22:33:08,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:08,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:33:08,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:08,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:33:08,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:33:08,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:33:08,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 109 transitions, 943 flow. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:33:08,524 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:08,524 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:33:08,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:09,084 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([370] L781-->L784: Formula: (= v_~__unbuffered_cnt~0_3 (+ v_~__unbuffered_cnt~0_4 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_4} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_3} AuxVars[] AssignedVars[~__unbuffered_cnt~0][79], [139#true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, 8#L784true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, 10#L823-5true, P0Thread1of1ForFork1InUse, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), 182#true, P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 12#L754true, 31#L791true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,085 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([363] L754-->L761: Formula: (let ((.cse2 (not (= (mod v_~z$w_buff0_used~0_51 256) 0))) (.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_25 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_52 256) 0)))) (.cse4 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_41 256) 0)))) (.cse1 (and .cse5 .cse2))) (and (= v_~z$w_buff0_used~0_51 (ite .cse0 0 v_~z$w_buff0_used~0_52)) (= v_~z$r_buff0_thd1~0_24 (ite .cse1 0 v_~z$r_buff0_thd1~0_25)) (= (ite (or (and .cse2 (not (= (mod v_~z$r_buff0_thd1~0_24 256) 0))) (and .cse3 (not (= (mod v_~z$w_buff1_used~0_40 256) 0)))) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_23 (ite .cse0 v_~z$w_buff0~0_21 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_24))) (= (ite (or .cse4 .cse1) 0 v_~z$w_buff1_used~0_41) v_~z$w_buff1_used~0_40)))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_52, ~z$w_buff0~0=v_~z$w_buff0~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_41, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_24, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_25} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_51, ~z$w_buff0~0=v_~z$w_buff0~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_40, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_23, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_24} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][103], [139#true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), 37#L781true, Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, 10#L823-5true, P0Thread1of1ForFork1InUse, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), 182#true, P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 28#L761true, 31#L791true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,085 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([374] L791-->L794: Formula: (= v_~z~0_5 1) InVars {} OutVars{~z~0=v_~z~0_5} AuxVars[] AssignedVars[~z~0][115], [139#true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), 37#L781true, 14#L794true, Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, 10#L823-5true, P0Thread1of1ForFork1InUse, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), 182#true, P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 12#L754true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,085 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,085 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,086 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,086 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-06-03 22:33:09,153 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([370] L781-->L784: Formula: (= v_~__unbuffered_cnt~0_3 (+ v_~__unbuffered_cnt~0_4 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_4} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_3} AuxVars[] AssignedVars[~__unbuffered_cnt~0][79], [139#true, 42#L824true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, 8#L784true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, P0Thread1of1ForFork1InUse, 182#true, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 12#L754true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 31#L791true, 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,153 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,153 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,153 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,153 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,156 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([358] L824-->ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT: Formula: (let ((.cse22 (< v_~z$w_buff0~0_11 0)) (.cse39 (mod v_~z$r_buff0_thd2~0_13 256)) (.cse42 (mod v_~z$r_buff1_thd0~0_7 256)) (.cse38 (mod v_~z$r_buff1_thd3~0_11 256)) (.cse41 (mod v_~z$r_buff1_thd2~0_11 256)) (.cse37 (mod v_~z$r_buff0_thd3~0_13 256)) (.cse36 (mod v_~z$r_buff0_thd0~0_7 256)) (.cse43 (mod v_~z$read_delayed~0_6 256)) (.cse6 (< v_~z$w_buff1~0_10 0))) (let ((.cse2 (and (not (= v_~z~0_13 2)) (not (= v_~z~0_13 0)) (not (= v_~z~0_13 1)))) (.cse7 (not (= (let ((.cse79 (mod v_~z$w_buff1~0_10 2))) (ite (and .cse6 (not (= .cse79 0))) (+ (- 2) .cse79) .cse79)) 0))) (.cse15 (not (= .cse43 0))) (.cse0 (not (= .cse36 0))) (.cse3 (< v_~z~0_13 0)) (.cse11 (not (= v_~z$read_delayed_var~0.offset_6 0))) (.cse13 (and (not (= v_~x~0_8 0)) (not (= 2 v_~x~0_8)) (not (= v_~x~0_8 1)))) (.cse5 (< v_~__unbuffered_cnt~0_12 0)) (.cse8 (< 127 v_~z$w_buff1~0_10)) (.cse4 (< 127 v_~z~0_13)) (.cse12 (not (= v_~z$read_delayed_var~0.base_6 0))) (.cse9 (and (not (= 2 v_~z$w_buff1~0_10)) (not (= v_~z$w_buff1~0_10 0)))) (.cse10 (< 2 v_~z$w_buff1~0_10)) (.cse14 (< v_~x~0_8 0)) (.cse17 (not (= .cse37 0))) (.cse19 (and (not (= v_~z$mem_tmp~0_6 1)) (not (= v_~z$mem_tmp~0_6 0)) (not (= 2 v_~z$mem_tmp~0_6)))) (.cse23 (< 127 v_~z$mem_tmp~0_6)) (.cse33 (< v_~z$mem_tmp~0_6 0)) (.cse34 (not (= .cse41 0))) (.cse25 (< 1 v_~__unbuffered_p2_EAX~0_7)) (.cse28 (and (not (= v_~__unbuffered_p2_EAX~0_7 1)) (not (= v_~__unbuffered_p2_EAX~0_7 0)))) (.cse31 (< v_~__unbuffered_p2_EAX~0_7 0)) (.cse16 (and (not (= v_~y~0_8 1)) (not (= v_~y~0_8 0)))) (.cse27 (< 1 v_~y~0_8)) (.cse35 (< v_~y~0_8 0)) (.cse21 (not (= .cse38 0))) (.cse18 (not (= .cse42 0))) (.cse29 (not (= .cse39 0))) (.cse32 (mod v_~z$flush_delayed~0_6 256)) (.cse20 (and (not (= v_~z$w_buff0~0_11 0)) (not (= 2 v_~z$w_buff0~0_11)))) (.cse24 (< 2 v_~z$w_buff0~0_11)) (.cse26 (< 127 v_~z$w_buff0~0_11)) (.cse30 (not (= (let ((.cse78 (mod v_~z$w_buff0~0_11 2))) (ite (and .cse22 (not (= .cse78 0))) (+ (- 2) .cse78) .cse78)) 0))) (.cse1 (not (= |v_#ghost~multithreaded_7| 0)))) (or (and .cse0 .cse1) (and .cse1 (or .cse2 .cse3 .cse4)) (and .cse5 .cse1) (and (or .cse6 .cse7 .cse8 .cse9 .cse10) .cse1) (and (or .cse11 .cse12) .cse1) (and .cse1 (or (< 127 v_~x~0_8) .cse13 (< 2 v_~x~0_8) .cse14)) (and .cse15 .cse1) (and (or .cse2 .cse6 .cse16 .cse17 .cse18 .cse19 .cse7 .cse15 .cse0 .cse20 .cse3 .cse11 .cse21 .cse22 .cse23 .cse13 .cse5 .cse24 .cse25 .cse26 .cse8 .cse27 .cse28 .cse29 .cse4 .cse12 .cse30 .cse31 .cse9 .cse10 (not (= .cse32 0)) .cse14 .cse33 .cse34 .cse35) .cse1) (and .cse17 .cse1) (and (or .cse19 .cse23 .cse33) .cse1) (and .cse1 .cse34) (and (or .cse25 .cse28 .cse31) .cse1) (and (or .cse16 .cse27 .cse35) .cse1) (and .cse21 .cse1) (and .cse18 .cse1) (and .cse29 .cse1) (and (let ((.cse40 (mod v_~weak$$choice2~0_6 256)) (.cse49 (mod v_~weak$$choice0~0_6 256)) (.cse50 (mod v_~main$tmp_guard1~0_6 256))) (let ((.cse46 (+ .cse38 2)) (.cse53 (+ v_~z~0_13 2)) (.cse52 (+ .cse41 v_~z$w_buff1~0_10)) (.cse57 (+ .cse37 v_~z$w_buff0~0_11)) (.cse59 (+ 2 v_~__unbuffered_cnt~0_12)) (.cse51 (+ 2 .cse32)) (.cse64 (+ .cse38 v_~z$w_buff1~0_10)) (.cse44 (+ 2 v_~z$mem_tmp~0_6)) (.cse65 (+ .cse41 v_~z$w_buff0~0_11)) (.cse62 (+ 2 v_~y~0_8)) (.cse47 (+ 2 .cse39)) (.cse61 (+ .cse36 v_~z$w_buff0~0_11)) (.cse58 (+ 2 .cse50)) (.cse71 (+ .cse42 v_~z$w_buff1~0_10)) (.cse66 (+ .cse41 2)) (.cse45 (+ .cse43 2)) (.cse54 (+ 2 .cse36)) (.cse48 (+ .cse38 v_~z$w_buff0~0_11)) (.cse67 (+ v_~z$w_buff1~0_10 .cse39)) (.cse56 (+ 2 .cse49)) (.cse63 (+ .cse42 v_~z$w_buff0~0_11)) (.cse73 (+ 2 .cse40)) (.cse69 (+ 2 .cse42)) (.cse74 (+ v_~__unbuffered_p2_EAX~0_7 2)) (.cse60 (+ .cse43 v_~z$w_buff0~0_11)) (.cse72 (+ v_~z$w_buff0~0_11 .cse39)) (.cse76 (+ .cse36 v_~z$w_buff1~0_10)) (.cse68 (+ 2 v_~x~0_8)) (.cse77 (+ v_~z$w_buff0~0_11 v_~z$w_buff1~0_10)) (.cse55 (+ .cse43 v_~z$w_buff1~0_10)) (.cse70 (+ .cse37 v_~z$w_buff1~0_10)) (.cse75 (+ 2 .cse37))) (or (< (+ .cse36 v_~z$mem_tmp~0_6) 0) (< (+ .cse37 v_~__unbuffered_cnt~0_12) 0) (< .cse36 .cse38) (< v_~__unbuffered_cnt~0_12 .cse39) (< .cse40 .cse32) (< .cse39 .cse41) (< v_~z$mem_tmp~0_6 .cse39) (< .cse40 .cse39) (< v_~__unbuffered_p2_EAX~0_7 .cse42) (< .cse32 .cse42) (< (+ v_~__unbuffered_cnt~0_12 .cse40) 0) (< (+ v_~y~0_8 v_~z$mem_tmp~0_6) 0) (< .cse43 .cse38) (< (+ .cse39 v_~x~0_8) 0) (< (+ v_~z~0_13 v_~z$w_buff1~0_10) 0) (< v_~x~0_8 .cse39) (< .cse42 .cse39) (< (+ v_~__unbuffered_cnt~0_12 v_~z$mem_tmp~0_6) 0) (< .cse44 v_~z$w_buff0~0_11) (< .cse45 v_~z$w_buff1~0_10) (< v_~__unbuffered_p2_EAX~0_7 .cse37) (< .cse46 v_~z$w_buff0~0_11) (< .cse47 v_~z$w_buff1~0_10) (< v_~__unbuffered_cnt~0_12 .cse37) (< v_~z$mem_tmp~0_6 .cse38) (< (+ v_~__unbuffered_cnt~0_12 .cse32) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~__unbuffered_cnt~0_12) 0) (< .cse38 .cse41) (< .cse41 .cse43) (< .cse48 0) (< v_~z$w_buff1~0_10 .cse43) (< v_~x~0_8 .cse36) (< .cse49 .cse39) (< v_~z~0_13 .cse41) (< v_~z~0_13 .cse43) (< (+ v_~z~0_13 .cse42) 0) (< .cse38 .cse43) (< .cse43 .cse42) (< .cse39 .cse42) (< (+ .cse38 v_~y~0_8) 0) (< (+ .cse40 v_~z$mem_tmp~0_6) 0) (< .cse32 .cse38) (< v_~z$w_buff1~0_10 .cse37) (< .cse42 .cse37) (< .cse50 .cse43) (< .cse43 .cse36) (< .cse51 v_~z$w_buff1~0_10) (< 2 .cse52) (< v_~y~0_8 .cse36) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~z~0_13) 0) (< .cse46 v_~z$w_buff1~0_10) (< .cse53 v_~z$w_buff1~0_10) (< (+ v_~z$w_buff1~0_10 v_~z$mem_tmp~0_6) 0) (< .cse32 .cse37) (< (+ .cse43 v_~y~0_8) 0) (< .cse54 v_~z$w_buff0~0_11) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse36) 0) (< .cse55 0) (< (+ .cse41 v_~__unbuffered_cnt~0_12) 0) (< .cse39 .cse36) (< .cse41 .cse36) (< (+ v_~__unbuffered_cnt~0_12 v_~z$w_buff1~0_10) 0) (< .cse40 .cse41) (< v_~__unbuffered_cnt~0_12 .cse36) (< v_~z$w_buff0~0_11 .cse36) (< v_~z~0_13 .cse36) (< v_~z$w_buff1~0_10 .cse42) (< .cse53 v_~z$w_buff0~0_11) (< .cse37 .cse38) (< (+ v_~x~0_8 v_~z$mem_tmp~0_6) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~z$mem_tmp~0_6) 0) (< 0 (+ .cse38 .cse36)) (< .cse56 v_~z$w_buff1~0_10) (< (+ .cse36 v_~__unbuffered_cnt~0_12) 0) (< .cse32 .cse36) (< (+ .cse50 v_~z$w_buff1~0_10) 0) (< v_~z$w_buff1~0_10 .cse36) (< v_~y~0_8 .cse37) (< v_~y~0_8 .cse42) (< 2 .cse57) (< .cse36 .cse41) (< .cse50 .cse36) (< 0 (+ .cse43 .cse38)) (< (+ v_~x~0_8 v_~y~0_8) 0) (< .cse41 .cse38) (< .cse42 .cse36) (< (+ 2 v_~z$w_buff1~0_10) v_~z$w_buff0~0_11) (< .cse58 v_~z$w_buff1~0_10) (< .cse40 .cse42) (< .cse43 .cse39) (< .cse59 v_~z$w_buff1~0_10) (< 0 (+ .cse41 .cse39)) (< .cse49 .cse37) (< .cse41 .cse42) (< (+ v_~z$w_buff0~0_11 .cse40) 0) (< (+ .cse38 v_~x~0_8) 0) (< .cse43 .cse37) (< 2 .cse60) (< .cse61 0) (< 0 (+ .cse37 .cse39)) (< (+ .cse37 v_~x~0_8) 0) (< (+ .cse43 v_~z~0_13) 0) (< .cse52 0) (< (+ .cse49 v_~z$w_buff1~0_10) 0) (< (+ .cse41 v_~y~0_8) 0) (< .cse57 0) (< .cse62 v_~z$w_buff0~0_11) (< 2 .cse63) (< .cse50 .cse38) (< (+ v_~z$w_buff0~0_11 v_~y~0_8) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse49) 0) (< (+ .cse50 v_~y~0_8) 0) (< (+ v_~__unbuffered_cnt~0_12 .cse39) 0) (< .cse37 .cse41) (< .cse59 v_~z$w_buff0~0_11) (< (+ v_~z$w_buff0~0_11 v_~x~0_8) 0) (< v_~__unbuffered_p2_EAX~0_7 .cse38) (< (+ v_~z~0_13 .cse50) 0) (< (+ .cse41 v_~x~0_8) 0) (< v_~z$w_buff1~0_10 .cse41) (< v_~__unbuffered_p2_EAX~0_7 .cse41) (< 2 .cse64) (< v_~z$mem_tmp~0_6 .cse43) (< (+ v_~z~0_13 v_~z$mem_tmp~0_6) 0) (< 2 .cse65) (< .cse51 v_~z$w_buff0~0_11) (< .cse64 0) (< (+ v_~z~0_13 .cse40) 0) (< .cse66 v_~z$w_buff0~0_11) (< (+ .cse42 v_~__unbuffered_cnt~0_12) 0) (< (+ .cse49 v_~z$w_buff0~0_11) 0) (< .cse44 v_~z$w_buff1~0_10) (< v_~z$w_buff0~0_11 v_~z$w_buff1~0_10) (< (+ v_~z$w_buff1~0_10 .cse32) 0) (< v_~__unbuffered_cnt~0_12 .cse38) (< (+ v_~z~0_13 v_~x~0_8) 0) (< .cse41 .cse39) (< .cse40 .cse37) (< (+ v_~z~0_13 .cse37) 0) (< 0 (+ .cse41 .cse38)) (< (+ .cse50 v_~z$w_buff0~0_11) 0) (< .cse36 .cse43) (< .cse49 .cse38) (< .cse37 .cse42) (< v_~z$mem_tmp~0_6 .cse42) (< .cse65 0) (< (+ v_~z$w_buff0~0_11 v_~z$mem_tmp~0_6) 0) (< (+ .cse43 v_~__unbuffered_p2_EAX~0_7) 0) (< .cse42 .cse43) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse37) 0) (< (+ .cse43 v_~__unbuffered_cnt~0_12) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse42) 0) (< 0 (+ .cse36 .cse42)) (< .cse62 v_~z$w_buff1~0_10) (< 2 .cse67) (< .cse47 v_~z$w_buff0~0_11) (< .cse41 .cse37) (< v_~z$mem_tmp~0_6 .cse37) (< .cse39 .cse38) (< .cse32 .cse41) (< .cse50 .cse37) (< v_~x~0_8 .cse43) (< (+ .cse36 v_~y~0_8) 0) (< 0 (+ .cse43 .cse37)) (< .cse68 v_~z$w_buff1~0_10) (< 2 .cse61) (< v_~z$w_buff0~0_11 .cse38) (< .cse38 .cse37) (< 0 (+ .cse43 .cse36)) (< .cse69 v_~z$w_buff0~0_11) (< 0 (+ .cse43 .cse41)) (< .cse36 .cse37) (< 2 .cse70) (< .cse37 .cse36) (< v_~y~0_8 .cse38) (< (+ v_~__unbuffered_cnt~0_12 v_~x~0_8) 0) (< .cse49 .cse41) (< .cse36 .cse42) (< .cse50 .cse42) (< v_~z~0_13 .cse39) (< (+ .cse50 v_~z$mem_tmp~0_6) 0) (< .cse71 0) (< (+ .cse38 v_~z~0_13) 0) (< .cse58 v_~z$w_buff0~0_11) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~z$w_buff1~0_10) 0) (< 0 (+ .cse38 .cse42)) (< (+ .cse42 v_~x~0_8) 0) (< .cse50 .cse41) (< .cse39 .cse43) (< (+ v_~__unbuffered_cnt~0_12 v_~y~0_8) 0) (< .cse49 .cse42) (< v_~z$mem_tmp~0_6 .cse36) (< v_~y~0_8 .cse41) (< .cse32 .cse43) (< 0 (+ .cse43 .cse42)) (< 2 .cse71) (< (+ v_~z~0_13 v_~y~0_8) 0) (< v_~__unbuffered_p2_EAX~0_7 .cse39) (< (+ .cse39 v_~z$mem_tmp~0_6) 0) (< 0 (+ .cse41 .cse42)) (< (+ v_~z$w_buff0~0_11 .cse32) 0) (< (+ .cse38 v_~z$mem_tmp~0_6) 0) (< .cse72 0) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse50) 0) (< (+ v_~z~0_13 .cse39) 0) (< 0 (+ .cse38 .cse39)) (< .cse66 v_~z$w_buff1~0_10) (< (+ .cse50 v_~x~0_8) 0) (< (+ v_~__unbuffered_cnt~0_12 v_~z$w_buff0~0_11) 0) (< v_~y~0_8 .cse43) (< .cse73 v_~z$w_buff0~0_11) (< .cse45 v_~z$w_buff0~0_11) (< (+ v_~z~0_13 v_~z$w_buff0~0_11) 0) (< .cse54 v_~z$w_buff1~0_10) (< .cse32 .cse39) (< 2 .cse48) (< .cse67 0) (< 0 (+ .cse38 .cse37)) (< .cse56 v_~z$w_buff0~0_11) (< v_~z$w_buff0~0_11 .cse42) (< v_~x~0_8 .cse38) (< (+ .cse38 v_~__unbuffered_p2_EAX~0_7) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~x~0_8) 0) (< .cse43 .cse41) (< .cse74 v_~z$w_buff1~0_10) (< (+ .cse40 v_~y~0_8) 0) (< .cse63 0) (< 0 (+ .cse42 .cse39)) (< v_~z$mem_tmp~0_6 .cse41) (< (+ v_~z$w_buff1~0_10 v_~x~0_8) 0) (< 0 (+ .cse37 .cse42)) (< 0 (+ .cse41 .cse36)) (< v_~__unbuffered_cnt~0_12 .cse41) (< (+ v_~__unbuffered_cnt~0_12 .cse50) 0) (< v_~x~0_8 .cse37) (< (+ .cse42 v_~y~0_8) 0) (< v_~z~0_13 .cse37) (< (+ v_~z~0_13 .cse49) 0) (< .cse42 .cse38) (< .cse37 .cse43) (< .cse73 v_~z$w_buff1~0_10) (< .cse40 .cse43) (< .cse36 .cse39) (< v_~x~0_8 .cse41) (< (+ .cse40 v_~x~0_8) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~z$w_buff0~0_11) 0) (< .cse38 .cse39) (< (+ .cse38 v_~__unbuffered_cnt~0_12) 0) (< .cse38 .cse36) (< (+ .cse36 v_~x~0_8) 0) (< (+ v_~z~0_13 .cse36) 0) (< (+ .cse41 v_~z$mem_tmp~0_6) 0) (< .cse75 v_~z$w_buff1~0_10) (< (+ .cse49 v_~x~0_8) 0) (< .cse69 v_~z$w_buff1~0_10) (< .cse39 .cse37) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse39) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 v_~y~0_8) 0) (< .cse42 .cse41) (< (+ .cse41 v_~__unbuffered_p2_EAX~0_7) 0) (< .cse38 .cse42) (< v_~x~0_8 .cse42) (< v_~z$w_buff0~0_11 .cse39) (< v_~z~0_13 .cse38) (< .cse74 v_~z$w_buff0~0_11) (< 0 (+ .cse41 .cse37)) (< .cse40 .cse38) (< (+ v_~z~0_13 .cse32) 0) (< (+ .cse39 v_~y~0_8) 0) (< (+ .cse49 v_~z$mem_tmp~0_6) 0) (< .cse37 .cse39) (< v_~__unbuffered_p2_EAX~0_7 .cse43) (< v_~__unbuffered_cnt~0_12 .cse42) (< v_~y~0_8 .cse39) (< 0 (+ .cse43 .cse39)) (< .cse60 0) (< 0 (+ .cse36 .cse39)) (< v_~z$w_buff1~0_10 .cse39) (< (+ .cse32 v_~y~0_8) 0) (< .cse40 .cse36) (< 2 .cse72) (< v_~z~0_13 .cse42) (< (+ .cse32 v_~x~0_8) 0) (< (+ .cse41 v_~z~0_13) 0) (< v_~z$w_buff1~0_10 .cse38) (< (+ .cse32 v_~z$mem_tmp~0_6) 0) (< 0 (+ .cse37 .cse36)) (< (+ v_~z~0_13 v_~__unbuffered_cnt~0_12) 0) (< (+ v_~z$w_buff1~0_10 .cse40) 0) (< .cse49 .cse36) (< v_~__unbuffered_p2_EAX~0_7 .cse36) (< (+ .cse43 v_~z$mem_tmp~0_6) 0) (< (+ .cse49 v_~y~0_8) 0) (< (+ .cse43 v_~x~0_8) 0) (< v_~z$w_buff0~0_11 .cse41) (< (+ .cse37 v_~y~0_8) 0) (< 2 .cse76) (< v_~z$w_buff0~0_11 .cse43) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse40) 0) (< .cse77 0) (< (+ .cse42 v_~z$mem_tmp~0_6) 0) (< (+ v_~__unbuffered_p2_EAX~0_7 .cse32) 0) (< .cse50 .cse39) (< v_~__unbuffered_cnt~0_12 .cse43) (< .cse76 0) (< .cse68 v_~z$w_buff0~0_11) (< (+ v_~z$w_buff1~0_10 v_~y~0_8) 0) (< 4 .cse77) (< (+ .cse49 v_~__unbuffered_cnt~0_12) 0) (< 2 .cse55) (< (+ .cse37 v_~z$mem_tmp~0_6) 0) (< .cse49 .cse43) (< v_~z$w_buff0~0_11 .cse37) (< .cse70 0) (< .cse75 v_~z$w_buff0~0_11)))) .cse1) (and (or .cse20 .cse22 .cse24 .cse26 .cse30) .cse1)))) InVars {~z$mem_tmp~0=v_~z$mem_tmp~0_6, ~z$w_buff0~0=v_~z$w_buff0~0_11, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_11, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_11, ~z$read_delayed~0=v_~z$read_delayed~0_6, ~z$w_buff1~0=v_~z$w_buff1~0_10, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_6, ~z$flush_delayed~0=v_~z$flush_delayed~0_6, ~weak$$choice0~0=v_~weak$$choice0~0_6, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_7, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_7, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_13, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_7, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_12, #ghost~multithreaded=|v_#ghost~multithreaded_7|, ~z~0=v_~z~0_13, ~y~0=v_~y~0_8, ~weak$$choice2~0=v_~weak$$choice2~0_6, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_13} OutVars{~z$mem_tmp~0=v_~z$mem_tmp~0_6, ~z$w_buff0~0=v_~z$w_buff0~0_11, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_11, ~z$r_buff1_thd2~0=v_~z$r_buff1_thd2~0_11, ~z$read_delayed~0=v_~z$read_delayed~0_6, ~z$w_buff1~0=v_~z$w_buff1~0_10, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_6, ~z$read_delayed_var~0.offset=v_~z$read_delayed_var~0.offset_6, ~z$flush_delayed~0=v_~z$flush_delayed~0_6, ~weak$$choice0~0=v_~weak$$choice0~0_6, ~z$r_buff0_thd0~0=v_~z$r_buff0_thd0~0_7, ~z$r_buff1_thd0~0=v_~z$r_buff1_thd0~0_7, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_13, ~z$read_delayed_var~0.base=v_~z$read_delayed_var~0.base_6, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_7, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_12, #ghost~multithreaded=|v_#ghost~multithreaded_7|, ~z~0=v_~z~0_13, ~y~0=v_~y~0_8, ~weak$$choice2~0=v_~weak$$choice2~0_6, ~x~0=v_~x~0_8, ~z$r_buff0_thd2~0=v_~z$r_buff0_thd2~0_13} AuxVars[] AssignedVars[][108], [139#true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), 37#L781true, Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, P0Thread1of1ForFork1InUse, 182#true, 34#ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANTtrue, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), P1Thread1of1ForFork0InUse, Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 12#L754true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 31#L791true, 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,156 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,156 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,156 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([363] L754-->L761: Formula: (let ((.cse2 (not (= (mod v_~z$w_buff0_used~0_51 256) 0))) (.cse3 (not (= (mod v_~z$r_buff1_thd1~0_20 256) 0))) (.cse5 (not (= (mod v_~z$r_buff0_thd1~0_25 256) 0)))) (let ((.cse0 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_52 256) 0)))) (.cse4 (and .cse3 (not (= (mod v_~z$w_buff1_used~0_41 256) 0)))) (.cse1 (and .cse5 .cse2))) (and (= v_~z$w_buff0_used~0_51 (ite .cse0 0 v_~z$w_buff0_used~0_52)) (= v_~z$r_buff0_thd1~0_24 (ite .cse1 0 v_~z$r_buff0_thd1~0_25)) (= (ite (or (and .cse2 (not (= (mod v_~z$r_buff0_thd1~0_24 256) 0))) (and .cse3 (not (= (mod v_~z$w_buff1_used~0_40 256) 0)))) 0 v_~z$r_buff1_thd1~0_20) v_~z$r_buff1_thd1~0_19) (= v_~z~0_23 (ite .cse0 v_~z$w_buff0~0_21 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_24))) (= (ite (or .cse4 .cse1) 0 v_~z$w_buff1_used~0_41) v_~z$w_buff1_used~0_40)))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_52, ~z$w_buff0~0=v_~z$w_buff0~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_20, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_41, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_24, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_25} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_51, ~z$w_buff0~0=v_~z$w_buff0~0_21, ~z$r_buff1_thd1~0=v_~z$r_buff1_thd1~0_19, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_40, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_23, ~z$r_buff0_thd1~0=v_~z$r_buff0_thd1~0_24} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd1~0, ~z$w_buff1_used~0, ~z~0, ~z$r_buff0_thd1~0][103], [139#true, 42#L824true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 168#true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), 37#L781true, Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 100#true, 71#true, P0Thread1of1ForFork1InUse, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), 182#true, P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 28#L761true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 31#L791true, 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,157 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([374] L791-->L794: Formula: (= v_~z~0_5 1) InVars {} OutVars{~z~0=v_~z~0_5} AuxVars[] AssignedVars[~z~0][115], [139#true, 42#L824true, Black: 65#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 67#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 190#(and (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= (+ (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$read_delayed~0) (+ ~z$r_buff0_thd0~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ (* (div ~z$r_buff0_thd2~0 256) 256) 1) (+ ~z$r_buff0_thd2~0 ~__unbuffered_cnt~0)) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 66#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 63#true, Black: 132#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= 2 ~x~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (not (= |#ghost~multithreaded| 0)) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 129#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 75#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$w_buff0_used~0 1) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~z$r_buff0_thd1~0 1) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 73#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 76#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 146#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 145#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 148#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$r_buff0_thd3~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (<= (+ (* (div ~z$flush_delayed~0 256) 256) ~z$read_delayed~0) (+ (* 256 (div ~z$read_delayed~0 256)) ~z$flush_delayed~0)) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0)), Black: 144#(and (= ~__unbuffered_cnt~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), Black: 87#(and (= 0 ~z$flush_delayed~0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~x~0 1) (= ~z$r_buff0_thd0~0 0) (<= 1 ~__unbuffered_cnt~0) (= 2 ~z~0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 168#true, Black: 98#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (<= (+ ~z$r_buff1_thd3~0 ~z$r_buff0_thd2~0) (+ (* 256 (div ~z$r_buff1_thd3~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256))) (<= (+ ~z$r_buff0_thd3~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff0_thd3~0 256)))) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0)), 37#L781true, Black: 160#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 14#L794true, 100#true, 71#true, P0Thread1of1ForFork1InUse, Black: 112#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), 182#true, P2Thread1of1ForFork2InUse, Black: 110#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 108#(and (= ~__unbuffered_cnt~0 0) (= |#ghost~multithreaded| 1) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= (+ ~z$r_buff0_thd3~0 (* (div ~z$r_buff1_thd0~0 256) 256)) (+ ~z$r_buff1_thd0~0 (* 256 (div ~z$r_buff0_thd3~0 256)))) (= (+ (* 256 (div ~z$r_buff1_thd3~0 256)) ~z$read_delayed~0) (+ ~z$r_buff1_thd3~0 (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff1_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* 256 (div ~z$r_buff1_thd2~0 256)))) (= ~__unbuffered_p2_EAX~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 175#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~y~0 1) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), P1Thread1of1ForFork0InUse, Black: 174#(and (= ~__unbuffered_cnt~0 0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (<= (+ ~z$read_delayed~0 ~z$r_buff0_thd3~0) (+ (* 256 (div ~z$r_buff0_thd3~0 256)) (* 256 (div ~z$read_delayed~0 256)))) (<= (+ ~z$r_buff0_thd2~0 ~z$r_buff0_thd0~0) (+ (* 256 (div ~z$r_buff0_thd0~0 256)) (* (div ~z$r_buff0_thd2~0 256) 256)))), 12#L754true, Black: 56#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0)), 198#true, Black: 122#(and (= ~__unbuffered_cnt~0 0) (= (* 256 (div ~z$r_buff0_thd0~0 256)) ~z$r_buff0_thd0~0) (= 2 ~x~0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$w_buff0~0 2) (= ~z$read_delayed~0 (* 256 (div ~z$read_delayed~0 256))) (= (* 256 (div ~z$r_buff0_thd3~0 256)) ~z$r_buff0_thd3~0) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$mem_tmp~0 0) (= (* (div ~z$flush_delayed~0 256) 256) ~z$flush_delayed~0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0) (= (* (div ~z$r_buff0_thd2~0 256) 256) ~z$r_buff0_thd2~0)), Black: 61#(and (= ~__unbuffered_cnt~0 0) (= 0 ~z$flush_delayed~0) (= ~x~0 0) (= ~z$r_buff0_thd3~0 0) (= ~z$w_buff1~0 0) (= ~z$read_delayed_var~0.base 0) (= ~z$read_delayed~0 0) (= ~z$w_buff0~0 2) (= ~y~0 0) (= ~z$r_buff1_thd3~0 0) (= ~z$r_buff0_thd2~0 0) (= ~z$mem_tmp~0 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= ~z$read_delayed_var~0.offset 0) (= ~__unbuffered_p2_EAX~0 0) (= ~z$r_buff1_thd2~0 0) (= ~z$r_buff1_thd0~0 0))]) [2024-06-03 22:33:09,157 INFO L294 olderBase$Statistics]: this new event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,157 INFO L297 olderBase$Statistics]: existing Event has 21 ancestors and is cut-off event [2024-06-03 22:33:09,460 INFO L124 PetriNetUnfolderBase]: 1823/2742 cut-off events. [2024-06-03 22:33:09,460 INFO L125 PetriNetUnfolderBase]: For 27390/27479 co-relation queries the response was YES. [2024-06-03 22:33:09,466 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13556 conditions, 2742 events. 1823/2742 cut-off events. For 27390/27479 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 12893 event pairs, 541 based on Foata normal form. 40/2718 useless extension candidates. Maximal degree in co-relation 13508. Up to 2524 conditions per place. [2024-06-03 22:33:09,473 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 91 selfloop transitions, 37 changer transitions 0/143 dead transitions. [2024-06-03 22:33:09,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 143 transitions, 1316 flow [2024-06-03 22:33:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:33:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:33:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 142 transitions. [2024-06-03 22:33:09,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4329268292682927 [2024-06-03 22:33:09,476 INFO L175 Difference]: Start difference. First operand has 96 places, 109 transitions, 943 flow. Second operand 8 states and 142 transitions. [2024-06-03 22:33:09,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 143 transitions, 1316 flow [2024-06-03 22:33:09,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 143 transitions, 1277 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-06-03 22:33:09,489 INFO L231 Difference]: Finished difference. Result has 100 places, 115 transitions, 1047 flow [2024-06-03 22:33:09,489 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=904, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1047, PETRI_PLACES=100, PETRI_TRANSITIONS=115} [2024-06-03 22:33:09,490 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 58 predicate places. [2024-06-03 22:33:09,490 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 115 transitions, 1047 flow [2024-06-03 22:33:09,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:33:09,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:09,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:09,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-06-03 22:33:09,490 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 22:33:09,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:09,491 INFO L85 PathProgramCache]: Analyzing trace with hash -560683501, now seen corresponding path program 1 times [2024-06-03 22:33:09,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:09,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085582945] [2024-06-03 22:33:09,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:09,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:15,580 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 22:33:15,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:15,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085582945] [2024-06-03 22:33:15,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085582945] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:15,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:15,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:33:15,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319771450] [2024-06-03 22:33:15,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:15,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:33:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:33:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:33:15,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:15,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 115 transitions, 1047 flow. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:15,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:15,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:15,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:16,645 INFO L124 PetriNetUnfolderBase]: 1890/2832 cut-off events. [2024-06-03 22:33:16,646 INFO L125 PetriNetUnfolderBase]: For 28065/28067 co-relation queries the response was YES. [2024-06-03 22:33:16,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14304 conditions, 2832 events. 1890/2832 cut-off events. For 28065/28067 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13141 event pairs, 567 based on Foata normal form. 4/2834 useless extension candidates. Maximal degree in co-relation 14254. Up to 2590 conditions per place. [2024-06-03 22:33:16,659 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 111 selfloop transitions, 36 changer transitions 0/150 dead transitions. [2024-06-03 22:33:16,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 150 transitions, 1538 flow [2024-06-03 22:33:16,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:33:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:33:16,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 128 transitions. [2024-06-03 22:33:16,661 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.445993031358885 [2024-06-03 22:33:16,661 INFO L175 Difference]: Start difference. First operand has 100 places, 115 transitions, 1047 flow. Second operand 7 states and 128 transitions. [2024-06-03 22:33:16,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 150 transitions, 1538 flow [2024-06-03 22:33:16,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 150 transitions, 1456 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-06-03 22:33:16,681 INFO L231 Difference]: Finished difference. Result has 104 places, 121 transitions, 1142 flow [2024-06-03 22:33:16,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=967, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1142, PETRI_PLACES=104, PETRI_TRANSITIONS=121} [2024-06-03 22:33:16,681 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 62 predicate places. [2024-06-03 22:33:16,682 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 121 transitions, 1142 flow [2024-06-03 22:33:16,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:16,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:16,682 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:16,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-06-03 22:33:16,682 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 22:33:16,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:16,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1451417421, now seen corresponding path program 2 times [2024-06-03 22:33:16,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:16,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456034782] [2024-06-03 22:33:16,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:16,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:22,286 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 22:33:22,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:22,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456034782] [2024-06-03 22:33:22,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456034782] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:22,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:22,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:33:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860866568] [2024-06-03 22:33:22,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:22,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:33:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:22,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:33:22,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:33:22,441 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:22,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 121 transitions, 1142 flow. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:22,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:22,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:22,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:23,319 INFO L124 PetriNetUnfolderBase]: 1912/2864 cut-off events. [2024-06-03 22:33:23,319 INFO L125 PetriNetUnfolderBase]: For 31685/31687 co-relation queries the response was YES. [2024-06-03 22:33:23,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14937 conditions, 2864 events. 1912/2864 cut-off events. For 31685/31687 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13345 event pairs, 574 based on Foata normal form. 4/2866 useless extension candidates. Maximal degree in co-relation 14884. Up to 2609 conditions per place. [2024-06-03 22:33:23,333 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 111 selfloop transitions, 36 changer transitions 0/150 dead transitions. [2024-06-03 22:33:23,333 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 150 transitions, 1606 flow [2024-06-03 22:33:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:33:23,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:33:23,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 124 transitions. [2024-06-03 22:33:23,335 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43205574912891986 [2024-06-03 22:33:23,335 INFO L175 Difference]: Start difference. First operand has 104 places, 121 transitions, 1142 flow. Second operand 7 states and 124 transitions. [2024-06-03 22:33:23,335 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 150 transitions, 1606 flow [2024-06-03 22:33:23,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 150 transitions, 1551 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-06-03 22:33:23,356 INFO L231 Difference]: Finished difference. Result has 108 places, 124 transitions, 1206 flow [2024-06-03 22:33:23,356 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1206, PETRI_PLACES=108, PETRI_TRANSITIONS=124} [2024-06-03 22:33:23,356 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 66 predicate places. [2024-06-03 22:33:23,356 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 124 transitions, 1206 flow [2024-06-03 22:33:23,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:23,357 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:23,357 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:23,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-06-03 22:33:23,357 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 22:33:23,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2097695206, now seen corresponding path program 1 times [2024-06-03 22:33:23,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:23,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151075213] [2024-06-03 22:33:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:23,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:28,606 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 22:33:28,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:28,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151075213] [2024-06-03 22:33:28,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151075213] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:28,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:28,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:33:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695078339] [2024-06-03 22:33:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:28,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:33:28,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:28,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:33:28,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:33:28,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:28,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 124 transitions, 1206 flow. Second operand has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:28,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:28,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:28,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:29,636 INFO L124 PetriNetUnfolderBase]: 1907/2856 cut-off events. [2024-06-03 22:33:29,636 INFO L125 PetriNetUnfolderBase]: For 34801/34801 co-relation queries the response was YES. [2024-06-03 22:33:29,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15110 conditions, 2856 events. 1907/2856 cut-off events. For 34801/34801 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13239 event pairs, 594 based on Foata normal form. 2/2856 useless extension candidates. Maximal degree in co-relation 15056. Up to 2789 conditions per place. [2024-06-03 22:33:29,652 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 123 selfloop transitions, 20 changer transitions 0/146 dead transitions. [2024-06-03 22:33:29,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 146 transitions, 1568 flow [2024-06-03 22:33:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:33:29,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:33:29,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2024-06-03 22:33:29,654 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:33:29,654 INFO L175 Difference]: Start difference. First operand has 108 places, 124 transitions, 1206 flow. Second operand 7 states and 112 transitions. [2024-06-03 22:33:29,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 146 transitions, 1568 flow [2024-06-03 22:33:29,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 146 transitions, 1506 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-06-03 22:33:29,680 INFO L231 Difference]: Finished difference. Result has 111 places, 127 transitions, 1228 flow [2024-06-03 22:33:29,680 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1144, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1228, PETRI_PLACES=111, PETRI_TRANSITIONS=127} [2024-06-03 22:33:29,681 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 69 predicate places. [2024-06-03 22:33:29,681 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 127 transitions, 1228 flow [2024-06-03 22:33:29,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.444444444444445) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:29,681 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:29,681 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:29,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-06-03 22:33:29,682 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 22:33:29,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:29,682 INFO L85 PathProgramCache]: Analyzing trace with hash 642783553, now seen corresponding path program 3 times [2024-06-03 22:33:29,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:29,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113122699] [2024-06-03 22:33:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:29,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:35,489 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 22:33:35,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:35,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113122699] [2024-06-03 22:33:35,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113122699] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:35,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:35,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:33:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585958040] [2024-06-03 22:33:35,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:35,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:33:35,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:35,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:33:35,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:33:35,585 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:35,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 127 transitions, 1228 flow. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:35,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:35,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:35,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:36,485 INFO L124 PetriNetUnfolderBase]: 1897/2843 cut-off events. [2024-06-03 22:33:36,485 INFO L125 PetriNetUnfolderBase]: For 38256/38258 co-relation queries the response was YES. [2024-06-03 22:33:36,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15360 conditions, 2843 events. 1897/2843 cut-off events. For 38256/38258 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13210 event pairs, 596 based on Foata normal form. 6/2847 useless extension candidates. Maximal degree in co-relation 15305. Up to 2770 conditions per place. [2024-06-03 22:33:36,501 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 128 selfloop transitions, 17 changer transitions 0/148 dead transitions. [2024-06-03 22:33:36,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 148 transitions, 1582 flow [2024-06-03 22:33:36,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:33:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:33:36,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 113 transitions. [2024-06-03 22:33:36,502 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39372822299651566 [2024-06-03 22:33:36,502 INFO L175 Difference]: Start difference. First operand has 111 places, 127 transitions, 1228 flow. Second operand 7 states and 113 transitions. [2024-06-03 22:33:36,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 148 transitions, 1582 flow [2024-06-03 22:33:36,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 148 transitions, 1526 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-06-03 22:33:36,530 INFO L231 Difference]: Finished difference. Result has 113 places, 128 transitions, 1226 flow [2024-06-03 22:33:36,530 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1174, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1226, PETRI_PLACES=113, PETRI_TRANSITIONS=128} [2024-06-03 22:33:36,530 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 71 predicate places. [2024-06-03 22:33:36,530 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 128 transitions, 1226 flow [2024-06-03 22:33:36,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:36,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:36,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:36,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-06-03 22:33:36,531 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:33:36,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:36,531 INFO L85 PathProgramCache]: Analyzing trace with hash -962710473, now seen corresponding path program 1 times [2024-06-03 22:33:36,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:36,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634706122] [2024-06-03 22:33:36,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:36,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:45,366 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 22:33:45,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:45,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634706122] [2024-06-03 22:33:45,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634706122] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:45,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:45,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-03 22:33:45,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568962403] [2024-06-03 22:33:45,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:45,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-03 22:33:45,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:45,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-03 22:33:45,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-06-03 22:33:45,464 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:33:45,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 128 transitions, 1226 flow. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 22:33:45,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:45,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:33:45,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:46,322 INFO L124 PetriNetUnfolderBase]: 1891/2834 cut-off events. [2024-06-03 22:33:46,322 INFO L125 PetriNetUnfolderBase]: For 40977/40977 co-relation queries the response was YES. [2024-06-03 22:33:46,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15472 conditions, 2834 events. 1891/2834 cut-off events. For 40977/40977 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13116 event pairs, 596 based on Foata normal form. 2/2834 useless extension candidates. Maximal degree in co-relation 15416. Up to 2812 conditions per place. [2024-06-03 22:33:46,336 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 125 selfloop transitions, 11 changer transitions 0/139 dead transitions. [2024-06-03 22:33:46,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 139 transitions, 1547 flow [2024-06-03 22:33:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-03 22:33:46,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-03 22:33:46,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 80 transitions. [2024-06-03 22:33:46,337 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:33:46,337 INFO L175 Difference]: Start difference. First operand has 113 places, 128 transitions, 1226 flow. Second operand 5 states and 80 transitions. [2024-06-03 22:33:46,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 139 transitions, 1547 flow [2024-06-03 22:33:46,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 139 transitions, 1513 flow, removed 2 selfloop flow, removed 5 redundant places. [2024-06-03 22:33:46,361 INFO L231 Difference]: Finished difference. Result has 113 places, 131 transitions, 1255 flow [2024-06-03 22:33:46,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1192, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1255, PETRI_PLACES=113, PETRI_TRANSITIONS=131} [2024-06-03 22:33:46,362 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 71 predicate places. [2024-06-03 22:33:46,362 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 131 transitions, 1255 flow [2024-06-03 22:33:46,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states 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 22:33:46,362 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:46,362 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:46,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-06-03 22:33:46,362 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 22:33:46,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:46,363 INFO L85 PathProgramCache]: Analyzing trace with hash -319470718, now seen corresponding path program 1 times [2024-06-03 22:33:46,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:46,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982922954] [2024-06-03 22:33:46,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:46,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:33:52,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:33:52,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:33:52,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982922954] [2024-06-03 22:33:52,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982922954] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:33:52,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:33:52,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:33:52,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730343757] [2024-06-03 22:33:52,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:33:52,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:33:52,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:33:52,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:33:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:33:53,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:33:53,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 131 transitions, 1255 flow. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:53,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:33:53,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:33:53,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:33:54,133 INFO L124 PetriNetUnfolderBase]: 1857/2800 cut-off events. [2024-06-03 22:33:54,133 INFO L125 PetriNetUnfolderBase]: For 50247/50333 co-relation queries the response was YES. [2024-06-03 22:33:54,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15885 conditions, 2800 events. 1857/2800 cut-off events. For 50247/50333 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 13219 event pairs, 406 based on Foata normal form. 26/2766 useless extension candidates. Maximal degree in co-relation 15828. Up to 2466 conditions per place. [2024-06-03 22:33:54,147 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 111 selfloop transitions, 38 changer transitions 0/169 dead transitions. [2024-06-03 22:33:54,147 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 169 transitions, 1771 flow [2024-06-03 22:33:54,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:33:54,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:33:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-06-03 22:33:54,149 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43902439024390244 [2024-06-03 22:33:54,149 INFO L175 Difference]: Start difference. First operand has 113 places, 131 transitions, 1255 flow. Second operand 8 states and 144 transitions. [2024-06-03 22:33:54,149 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 169 transitions, 1771 flow [2024-06-03 22:33:54,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 169 transitions, 1737 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-06-03 22:33:54,182 INFO L231 Difference]: Finished difference. Result has 119 places, 137 transitions, 1379 flow [2024-06-03 22:33:54,182 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1221, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=34, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=95, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1379, PETRI_PLACES=119, PETRI_TRANSITIONS=137} [2024-06-03 22:33:54,182 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 77 predicate places. [2024-06-03 22:33:54,182 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 137 transitions, 1379 flow [2024-06-03 22:33:54,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:33:54,183 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:33:54,183 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:33:54,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-06-03 22:33:54,183 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 22:33:54,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:33:54,183 INFO L85 PathProgramCache]: Analyzing trace with hash -319410268, now seen corresponding path program 2 times [2024-06-03 22:33:54,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:33:54,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913804780] [2024-06-03 22:33:54,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:33:54,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:33:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:00,516 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 22:34:00,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:00,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913804780] [2024-06-03 22:34:00,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913804780] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:00,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:00,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:00,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715667147] [2024-06-03 22:34:00,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:00,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:00,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:00,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:00,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:00,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:34:00,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 137 transitions, 1379 flow. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:00,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:00,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:34:00,652 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:01,635 INFO L124 PetriNetUnfolderBase]: 1870/2824 cut-off events. [2024-06-03 22:34:01,635 INFO L125 PetriNetUnfolderBase]: For 55700/55787 co-relation queries the response was YES. [2024-06-03 22:34:01,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16606 conditions, 2824 events. 1870/2824 cut-off events. For 55700/55787 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 13417 event pairs, 514 based on Foata normal form. 40/2803 useless extension candidates. Maximal degree in co-relation 16547. Up to 2572 conditions per place. [2024-06-03 22:34:01,654 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 114 selfloop transitions, 37 changer transitions 0/171 dead transitions. [2024-06-03 22:34:01,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 171 transitions, 1808 flow [2024-06-03 22:34:01,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:01,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-03 22:34:01,656 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4298780487804878 [2024-06-03 22:34:01,656 INFO L175 Difference]: Start difference. First operand has 119 places, 137 transitions, 1379 flow. Second operand 8 states and 141 transitions. [2024-06-03 22:34:01,657 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 171 transitions, 1808 flow [2024-06-03 22:34:01,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 171 transitions, 1730 flow, removed 17 selfloop flow, removed 4 redundant places. [2024-06-03 22:34:01,693 INFO L231 Difference]: Finished difference. Result has 123 places, 142 transitions, 1435 flow [2024-06-03 22:34:01,693 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1310, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1435, PETRI_PLACES=123, PETRI_TRANSITIONS=142} [2024-06-03 22:34:01,693 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 81 predicate places. [2024-06-03 22:34:01,693 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 142 transitions, 1435 flow [2024-06-03 22:34:01,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:01,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:01,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:01,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-06-03 22:34:01,694 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 22:34:01,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:01,694 INFO L85 PathProgramCache]: Analyzing trace with hash -319410144, now seen corresponding path program 1 times [2024-06-03 22:34:01,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:01,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144070851] [2024-06-03 22:34:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:01,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:08,316 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 22:34:08,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:08,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144070851] [2024-06-03 22:34:08,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144070851] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:08,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:08,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:08,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709650413] [2024-06-03 22:34:08,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:08,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:08,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:08,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:08,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:08,409 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:08,410 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 142 transitions, 1435 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:08,410 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:08,410 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:08,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:09,460 INFO L124 PetriNetUnfolderBase]: 1995/2991 cut-off events. [2024-06-03 22:34:09,460 INFO L125 PetriNetUnfolderBase]: For 55614/55616 co-relation queries the response was YES. [2024-06-03 22:34:09,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17280 conditions, 2991 events. 1995/2991 cut-off events. For 55614/55616 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14036 event pairs, 509 based on Foata normal form. 4/2993 useless extension candidates. Maximal degree in co-relation 17219. Up to 2613 conditions per place. [2024-06-03 22:34:09,479 INFO L140 encePairwiseOnDemand]: 28/41 looper letters, 145 selfloop transitions, 50 changer transitions 0/198 dead transitions. [2024-06-03 22:34:09,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 198 transitions, 2146 flow [2024-06-03 22:34:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:34:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:34:09,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 173 transitions. [2024-06-03 22:34:09,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4219512195121951 [2024-06-03 22:34:09,482 INFO L175 Difference]: Start difference. First operand has 123 places, 142 transitions, 1435 flow. Second operand 10 states and 173 transitions. [2024-06-03 22:34:09,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 198 transitions, 2146 flow [2024-06-03 22:34:09,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 128 places, 198 transitions, 2071 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-06-03 22:34:09,518 INFO L231 Difference]: Finished difference. Result has 131 places, 155 transitions, 1618 flow [2024-06-03 22:34:09,519 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1365, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1618, PETRI_PLACES=131, PETRI_TRANSITIONS=155} [2024-06-03 22:34:09,519 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 89 predicate places. [2024-06-03 22:34:09,519 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 155 transitions, 1618 flow [2024-06-03 22:34:09,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:09,519 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:09,519 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:09,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-06-03 22:34:09,519 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 22:34:09,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:09,520 INFO L85 PathProgramCache]: Analyzing trace with hash -316613758, now seen corresponding path program 3 times [2024-06-03 22:34:09,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:09,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406518725] [2024-06-03 22:34:09,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:09,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:15,684 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 22:34:15,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:15,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406518725] [2024-06-03 22:34:15,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406518725] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:15,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:15,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:15,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184260962] [2024-06-03 22:34:15,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:15,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:15,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:15,787 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 41 [2024-06-03 22:34:15,788 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 155 transitions, 1618 flow. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:15,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:15,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 41 [2024-06-03 22:34:15,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:16,827 INFO L124 PetriNetUnfolderBase]: 1924/2899 cut-off events. [2024-06-03 22:34:16,827 INFO L125 PetriNetUnfolderBase]: For 66048/66117 co-relation queries the response was YES. [2024-06-03 22:34:16,836 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17789 conditions, 2899 events. 1924/2899 cut-off events. For 66048/66117 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 13796 event pairs, 504 based on Foata normal form. 8/2846 useless extension candidates. Maximal degree in co-relation 17725. Up to 2669 conditions per place. [2024-06-03 22:34:16,845 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 120 selfloop transitions, 38 changer transitions 0/181 dead transitions. [2024-06-03 22:34:16,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 181 transitions, 2002 flow [2024-06-03 22:34:16,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:16,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:16,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 138 transitions. [2024-06-03 22:34:16,846 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42073170731707316 [2024-06-03 22:34:16,846 INFO L175 Difference]: Start difference. First operand has 131 places, 155 transitions, 1618 flow. Second operand 8 states and 138 transitions. [2024-06-03 22:34:16,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 181 transitions, 2002 flow [2024-06-03 22:34:16,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 181 transitions, 1909 flow, removed 23 selfloop flow, removed 5 redundant places. [2024-06-03 22:34:16,896 INFO L231 Difference]: Finished difference. Result has 134 places, 155 transitions, 1609 flow [2024-06-03 22:34:16,896 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1525, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1609, PETRI_PLACES=134, PETRI_TRANSITIONS=155} [2024-06-03 22:34:16,897 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 92 predicate places. [2024-06-03 22:34:16,897 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 155 transitions, 1609 flow [2024-06-03 22:34:16,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:16,897 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:16,897 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:16,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-06-03 22:34:16,897 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 22:34:16,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:16,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1702575436, now seen corresponding path program 2 times [2024-06-03 22:34:16,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:16,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302998474] [2024-06-03 22:34:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:23,253 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 22:34:23,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:23,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302998474] [2024-06-03 22:34:23,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302998474] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:23,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:23,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87325711] [2024-06-03 22:34:23,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:23,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:23,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:23,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:23,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 155 transitions, 1609 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:23,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:23,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:23,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:24,430 INFO L124 PetriNetUnfolderBase]: 2004/3004 cut-off events. [2024-06-03 22:34:24,430 INFO L125 PetriNetUnfolderBase]: For 64061/64063 co-relation queries the response was YES. [2024-06-03 22:34:24,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18103 conditions, 3004 events. 2004/3004 cut-off events. For 64061/64063 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 14071 event pairs, 505 based on Foata normal form. 4/3006 useless extension candidates. Maximal degree in co-relation 18037. Up to 2622 conditions per place. [2024-06-03 22:34:24,448 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 142 selfloop transitions, 59 changer transitions 0/204 dead transitions. [2024-06-03 22:34:24,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 204 transitions, 2397 flow [2024-06-03 22:34:24,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:24,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 151 transitions. [2024-06-03 22:34:24,450 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4603658536585366 [2024-06-03 22:34:24,450 INFO L175 Difference]: Start difference. First operand has 134 places, 155 transitions, 1609 flow. Second operand 8 states and 151 transitions. [2024-06-03 22:34:24,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 204 transitions, 2397 flow [2024-06-03 22:34:24,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 204 transitions, 2294 flow, removed 4 selfloop flow, removed 7 redundant places. [2024-06-03 22:34:24,504 INFO L231 Difference]: Finished difference. Result has 137 places, 165 transitions, 1774 flow [2024-06-03 22:34:24,504 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1507, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1774, PETRI_PLACES=137, PETRI_TRANSITIONS=165} [2024-06-03 22:34:24,504 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 95 predicate places. [2024-06-03 22:34:24,504 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 165 transitions, 1774 flow [2024-06-03 22:34:24,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:24,505 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:24,505 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:24,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-06-03 22:34:24,505 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 22:34:24,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:24,505 INFO L85 PathProgramCache]: Analyzing trace with hash -201137890, now seen corresponding path program 1 times [2024-06-03 22:34:24,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:24,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346018777] [2024-06-03 22:34:24,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:24,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:31,224 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 22:34:31,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:31,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346018777] [2024-06-03 22:34:31,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346018777] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:31,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:31,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:34:31,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167146763] [2024-06-03 22:34:31,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:31,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:34:31,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:31,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:34:31,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:34:31,347 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:31,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 165 transitions, 1774 flow. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:31,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:31,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:31,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:32,410 INFO L124 PetriNetUnfolderBase]: 2038/3058 cut-off events. [2024-06-03 22:34:32,410 INFO L125 PetriNetUnfolderBase]: For 72363/72365 co-relation queries the response was YES. [2024-06-03 22:34:32,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19258 conditions, 3058 events. 2038/3058 cut-off events. For 72363/72365 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14445 event pairs, 500 based on Foata normal form. 8/3064 useless extension candidates. Maximal degree in co-relation 19189. Up to 2773 conditions per place. [2024-06-03 22:34:32,428 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 153 selfloop transitions, 40 changer transitions 0/196 dead transitions. [2024-06-03 22:34:32,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 196 transitions, 2274 flow [2024-06-03 22:34:32,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:32,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 137 transitions. [2024-06-03 22:34:32,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4176829268292683 [2024-06-03 22:34:32,430 INFO L175 Difference]: Start difference. First operand has 137 places, 165 transitions, 1774 flow. Second operand 8 states and 137 transitions. [2024-06-03 22:34:32,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 196 transitions, 2274 flow [2024-06-03 22:34:32,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 196 transitions, 2200 flow, removed 12 selfloop flow, removed 4 redundant places. [2024-06-03 22:34:32,485 INFO L231 Difference]: Finished difference. Result has 141 places, 168 transitions, 1832 flow [2024-06-03 22:34:32,485 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1702, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1832, PETRI_PLACES=141, PETRI_TRANSITIONS=168} [2024-06-03 22:34:32,485 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 99 predicate places. [2024-06-03 22:34:32,486 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 168 transitions, 1832 flow [2024-06-03 22:34:32,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:34:32,486 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:32,486 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:32,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-06-03 22:34:32,486 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 22:34:32,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:32,486 INFO L85 PathProgramCache]: Analyzing trace with hash 2044268624, now seen corresponding path program 3 times [2024-06-03 22:34:32,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:32,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969614903] [2024-06-03 22:34:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:32,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:37,903 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 22:34:37,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:37,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969614903] [2024-06-03 22:34:37,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969614903] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:37,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:37,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:37,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087215796] [2024-06-03 22:34:37,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:37,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:37,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:38,049 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:38,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 168 transitions, 1832 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:38,050 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:38,050 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:38,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:39,009 INFO L124 PetriNetUnfolderBase]: 2060/3090 cut-off events. [2024-06-03 22:34:39,010 INFO L125 PetriNetUnfolderBase]: For 76714/76716 co-relation queries the response was YES. [2024-06-03 22:34:39,020 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19949 conditions, 3090 events. 2060/3090 cut-off events. For 76714/76716 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 14572 event pairs, 506 based on Foata normal form. 4/3092 useless extension candidates. Maximal degree in co-relation 19879. Up to 2789 conditions per place. [2024-06-03 22:34:39,029 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 152 selfloop transitions, 47 changer transitions 0/202 dead transitions. [2024-06-03 22:34:39,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 202 transitions, 2450 flow [2024-06-03 22:34:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:39,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 140 transitions. [2024-06-03 22:34:39,031 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4268292682926829 [2024-06-03 22:34:39,031 INFO L175 Difference]: Start difference. First operand has 141 places, 168 transitions, 1832 flow. Second operand 8 states and 140 transitions. [2024-06-03 22:34:39,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 202 transitions, 2450 flow [2024-06-03 22:34:39,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 202 transitions, 2344 flow, removed 15 selfloop flow, removed 6 redundant places. [2024-06-03 22:34:39,095 INFO L231 Difference]: Finished difference. Result has 143 places, 171 transitions, 1870 flow [2024-06-03 22:34:39,095 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1726, PETRI_DIFFERENCE_MINUEND_PLACES=135, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1870, PETRI_PLACES=143, PETRI_TRANSITIONS=171} [2024-06-03 22:34:39,095 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 101 predicate places. [2024-06-03 22:34:39,095 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 171 transitions, 1870 flow [2024-06-03 22:34:39,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:39,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:39,095 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:39,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-06-03 22:34:39,096 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 22:34:39,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash -201317814, now seen corresponding path program 4 times [2024-06-03 22:34:39,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:39,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649643671] [2024-06-03 22:34:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:45,397 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 22:34:45,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:45,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649643671] [2024-06-03 22:34:45,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649643671] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:45,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:45,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:45,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393161568] [2024-06-03 22:34:45,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:45,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:45,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:45,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:45,547 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:45,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 171 transitions, 1870 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:45,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:45,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:45,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:46,521 INFO L124 PetriNetUnfolderBase]: 2082/3122 cut-off events. [2024-06-03 22:34:46,521 INFO L125 PetriNetUnfolderBase]: For 81875/81877 co-relation queries the response was YES. [2024-06-03 22:34:46,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20307 conditions, 3122 events. 2082/3122 cut-off events. For 81875/81877 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14759 event pairs, 501 based on Foata normal form. 4/3124 useless extension candidates. Maximal degree in co-relation 20236. Up to 2821 conditions per place. [2024-06-03 22:34:46,539 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 154 selfloop transitions, 51 changer transitions 0/208 dead transitions. [2024-06-03 22:34:46,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 208 transitions, 2520 flow [2024-06-03 22:34:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-06-03 22:34:46,541 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43902439024390244 [2024-06-03 22:34:46,541 INFO L175 Difference]: Start difference. First operand has 143 places, 171 transitions, 1870 flow. Second operand 8 states and 144 transitions. [2024-06-03 22:34:46,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 208 transitions, 2520 flow [2024-06-03 22:34:46,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 208 transitions, 2442 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-06-03 22:34:46,609 INFO L231 Difference]: Finished difference. Result has 146 places, 174 transitions, 1950 flow [2024-06-03 22:34:46,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1792, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1950, PETRI_PLACES=146, PETRI_TRANSITIONS=174} [2024-06-03 22:34:46,610 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 104 predicate places. [2024-06-03 22:34:46,610 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 174 transitions, 1950 flow [2024-06-03 22:34:46,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:46,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:46,610 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:46,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-06-03 22:34:46,611 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 22:34:46,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash -530831184, now seen corresponding path program 2 times [2024-06-03 22:34:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:46,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888066184] [2024-06-03 22:34:46,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:34:52,814 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 22:34:52,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:34:52,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888066184] [2024-06-03 22:34:52,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888066184] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:34:52,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:34:52,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:34:52,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458293988] [2024-06-03 22:34:52,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:34:52,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:34:52,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:34:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:34:52,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:34:52,914 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:34:52,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 174 transitions, 1950 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:52,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:34:52,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:34:52,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:34:53,952 INFO L124 PetriNetUnfolderBase]: 2099/3148 cut-off events. [2024-06-03 22:34:53,952 INFO L125 PetriNetUnfolderBase]: For 88052/88052 co-relation queries the response was YES. [2024-06-03 22:34:53,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20731 conditions, 3148 events. 2099/3148 cut-off events. For 88052/88052 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 14918 event pairs, 543 based on Foata normal form. 4/3150 useless extension candidates. Maximal degree in co-relation 20659. Up to 3054 conditions per place. [2024-06-03 22:34:53,970 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 176 selfloop transitions, 22 changer transitions 0/201 dead transitions. [2024-06-03 22:34:53,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 201 transitions, 2442 flow [2024-06-03 22:34:53,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:34:53,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:34:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2024-06-03 22:34:53,972 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:34:53,972 INFO L175 Difference]: Start difference. First operand has 146 places, 174 transitions, 1950 flow. Second operand 8 states and 128 transitions. [2024-06-03 22:34:53,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 201 transitions, 2442 flow [2024-06-03 22:34:54,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 201 transitions, 2324 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-06-03 22:34:54,040 INFO L231 Difference]: Finished difference. Result has 148 places, 176 transitions, 1917 flow [2024-06-03 22:34:54,040 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1832, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1917, PETRI_PLACES=148, PETRI_TRANSITIONS=176} [2024-06-03 22:34:54,040 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 106 predicate places. [2024-06-03 22:34:54,040 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 176 transitions, 1917 flow [2024-06-03 22:34:54,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:34:54,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:34:54,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:34:54,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-06-03 22:34:54,041 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 22:34:54,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:34:54,041 INFO L85 PathProgramCache]: Analyzing trace with hash 408898482, now seen corresponding path program 3 times [2024-06-03 22:34:54,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:34:54,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122832279] [2024-06-03 22:34:54,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:34:54,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:34:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:35:00,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:00,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122832279] [2024-06-03 22:35:00,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122832279] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:00,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:00,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:35:00,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922578166] [2024-06-03 22:35:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:00,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:35:00,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:00,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:35:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:35:00,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:00,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 176 transitions, 1917 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:00,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:00,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:00,673 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:01,695 INFO L124 PetriNetUnfolderBase]: 2116/3175 cut-off events. [2024-06-03 22:35:01,696 INFO L125 PetriNetUnfolderBase]: For 94378/94378 co-relation queries the response was YES. [2024-06-03 22:35:01,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21040 conditions, 3175 events. 2116/3175 cut-off events. For 94378/94378 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 15021 event pairs, 543 based on Foata normal form. 4/3177 useless extension candidates. Maximal degree in co-relation 20967. Up to 3108 conditions per place. [2024-06-03 22:35:01,716 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 182 selfloop transitions, 17 changer transitions 0/202 dead transitions. [2024-06-03 22:35:01,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 202 transitions, 2411 flow [2024-06-03 22:35:01,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:35:01,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:35:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 125 transitions. [2024-06-03 22:35:01,719 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38109756097560976 [2024-06-03 22:35:01,719 INFO L175 Difference]: Start difference. First operand has 148 places, 176 transitions, 1917 flow. Second operand 8 states and 125 transitions. [2024-06-03 22:35:01,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 202 transitions, 2411 flow [2024-06-03 22:35:01,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 202 transitions, 2344 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-06-03 22:35:01,790 INFO L231 Difference]: Finished difference. Result has 150 places, 178 transitions, 1929 flow [2024-06-03 22:35:01,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1850, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1929, PETRI_PLACES=150, PETRI_TRANSITIONS=178} [2024-06-03 22:35:01,791 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 108 predicate places. [2024-06-03 22:35:01,791 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 178 transitions, 1929 flow [2024-06-03 22:35:01,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:01,792 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:01,792 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:35:01,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-06-03 22:35:01,792 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:35:01,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:01,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1548544804, now seen corresponding path program 5 times [2024-06-03 22:35:01,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:01,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796312662] [2024-06-03 22:35:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:01,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:07,930 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 22:35:07,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:07,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796312662] [2024-06-03 22:35:07,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796312662] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:07,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:07,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:35:07,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930729364] [2024-06-03 22:35:07,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:07,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:35:07,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:07,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:35:07,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:35:08,080 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:08,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 178 transitions, 1929 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:08,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:08,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:08,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:09,144 INFO L124 PetriNetUnfolderBase]: 2104/3160 cut-off events. [2024-06-03 22:35:09,144 INFO L125 PetriNetUnfolderBase]: For 99040/99042 co-relation queries the response was YES. [2024-06-03 22:35:09,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21024 conditions, 3160 events. 2104/3160 cut-off events. For 99040/99042 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 14961 event pairs, 538 based on Foata normal form. 8/3166 useless extension candidates. Maximal degree in co-relation 20950. Up to 3024 conditions per place. [2024-06-03 22:35:09,162 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 172 selfloop transitions, 31 changer transitions 0/206 dead transitions. [2024-06-03 22:35:09,162 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 206 transitions, 2537 flow [2024-06-03 22:35:09,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:35:09,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:35:09,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 131 transitions. [2024-06-03 22:35:09,165 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39939024390243905 [2024-06-03 22:35:09,165 INFO L175 Difference]: Start difference. First operand has 150 places, 178 transitions, 1929 flow. Second operand 8 states and 131 transitions. [2024-06-03 22:35:09,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 206 transitions, 2537 flow [2024-06-03 22:35:09,247 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 206 transitions, 2452 flow, removed 27 selfloop flow, removed 6 redundant places. [2024-06-03 22:35:09,250 INFO L231 Difference]: Finished difference. Result has 152 places, 179 transitions, 1936 flow [2024-06-03 22:35:09,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1848, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1936, PETRI_PLACES=152, PETRI_TRANSITIONS=179} [2024-06-03 22:35:09,250 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 110 predicate places. [2024-06-03 22:35:09,250 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 179 transitions, 1936 flow [2024-06-03 22:35:09,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:09,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:09,251 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:35:09,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-06-03 22:35:09,251 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 22:35:09,251 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:09,251 INFO L85 PathProgramCache]: Analyzing trace with hash -604040444, now seen corresponding path program 1 times [2024-06-03 22:35:09,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:09,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492912036] [2024-06-03 22:35:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:09,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:15,059 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 22:35:15,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492912036] [2024-06-03 22:35:15,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492912036] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:15,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:15,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:35:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491518255] [2024-06-03 22:35:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:15,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:35:15,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:15,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:35:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:35:15,144 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:15,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 179 transitions, 1936 flow. Second operand has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:15,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:15,145 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:15,145 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:16,180 INFO L124 PetriNetUnfolderBase]: 2096/3148 cut-off events. [2024-06-03 22:35:16,180 INFO L125 PetriNetUnfolderBase]: For 101851/101853 co-relation queries the response was YES. [2024-06-03 22:35:16,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21026 conditions, 3148 events. 2096/3148 cut-off events. For 101851/101853 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14914 event pairs, 543 based on Foata normal form. 4/3150 useless extension candidates. Maximal degree in co-relation 20951. Up to 3048 conditions per place. [2024-06-03 22:35:16,202 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 171 selfloop transitions, 25 changer transitions 0/199 dead transitions. [2024-06-03 22:35:16,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 199 transitions, 2382 flow [2024-06-03 22:35:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:35:16,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:35:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2024-06-03 22:35:16,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.397212543554007 [2024-06-03 22:35:16,204 INFO L175 Difference]: Start difference. First operand has 152 places, 179 transitions, 1936 flow. Second operand 7 states and 114 transitions. [2024-06-03 22:35:16,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 199 transitions, 2382 flow [2024-06-03 22:35:16,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 199 transitions, 2264 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-06-03 22:35:16,281 INFO L231 Difference]: Finished difference. Result has 152 places, 179 transitions, 1880 flow [2024-06-03 22:35:16,281 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1818, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1880, PETRI_PLACES=152, PETRI_TRANSITIONS=179} [2024-06-03 22:35:16,281 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 110 predicate places. [2024-06-03 22:35:16,281 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 179 transitions, 1880 flow [2024-06-03 22:35:16,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.555555555555555) internal successors, (77), 9 states have internal predecessors, (77), 0 states have call successors, (0), 0 states 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 22:35:16,281 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:16,281 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:35:16,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-06-03 22:35:16,282 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 22:35:16,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:16,282 INFO L85 PathProgramCache]: Analyzing trace with hash -603743526, now seen corresponding path program 4 times [2024-06-03 22:35:16,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:16,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570799926] [2024-06-03 22:35:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:22,581 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 22:35:22,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:22,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570799926] [2024-06-03 22:35:22,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570799926] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:22,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:22,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:35:22,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528480435] [2024-06-03 22:35:22,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:22,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:35:22,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:22,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:35:22,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:35:22,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:22,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 179 transitions, 1880 flow. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:22,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:22,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:22,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:23,726 INFO L124 PetriNetUnfolderBase]: 2113/3174 cut-off events. [2024-06-03 22:35:23,726 INFO L125 PetriNetUnfolderBase]: For 108575/108575 co-relation queries the response was YES. [2024-06-03 22:35:23,737 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21279 conditions, 3174 events. 2113/3174 cut-off events. For 108575/108575 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 15029 event pairs, 529 based on Foata normal form. 4/3176 useless extension candidates. Maximal degree in co-relation 21203. Up to 3093 conditions per place. [2024-06-03 22:35:23,747 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 184 selfloop transitions, 18 changer transitions 0/205 dead transitions. [2024-06-03 22:35:23,747 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 205 transitions, 2382 flow [2024-06-03 22:35:23,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:35:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:35:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 125 transitions. [2024-06-03 22:35:23,748 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38109756097560976 [2024-06-03 22:35:23,749 INFO L175 Difference]: Start difference. First operand has 152 places, 179 transitions, 1880 flow. Second operand 8 states and 125 transitions. [2024-06-03 22:35:23,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 205 transitions, 2382 flow [2024-06-03 22:35:23,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 205 transitions, 2332 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-06-03 22:35:23,827 INFO L231 Difference]: Finished difference. Result has 154 places, 181 transitions, 1915 flow [2024-06-03 22:35:23,828 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1830, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1915, PETRI_PLACES=154, PETRI_TRANSITIONS=181} [2024-06-03 22:35:23,828 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 112 predicate places. [2024-06-03 22:35:23,828 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 181 transitions, 1915 flow [2024-06-03 22:35:23,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:23,829 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:23,829 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-03 22:35:23,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-06-03 22:35:23,829 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 22:35:23,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1540263650, now seen corresponding path program 5 times [2024-06-03 22:35:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:23,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530634592] [2024-06-03 22:35:23,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:23,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:29,956 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 22:35:29,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:29,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530634592] [2024-06-03 22:35:29,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530634592] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:29,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:29,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:35:29,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78822645] [2024-06-03 22:35:29,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:29,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:35:29,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:29,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:35:29,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:35:30,079 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:30,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 181 transitions, 1915 flow. Second operand has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:30,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:30,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:30,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:31,104 INFO L124 PetriNetUnfolderBase]: 2105/3162 cut-off events. [2024-06-03 22:35:31,104 INFO L125 PetriNetUnfolderBase]: For 113832/113832 co-relation queries the response was YES. [2024-06-03 22:35:31,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21401 conditions, 3162 events. 2105/3162 cut-off events. For 113832/113832 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 14958 event pairs, 542 based on Foata normal form. 4/3164 useless extension candidates. Maximal degree in co-relation 21324. Up to 3059 conditions per place. [2024-06-03 22:35:31,123 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 180 selfloop transitions, 24 changer transitions 0/207 dead transitions. [2024-06-03 22:35:31,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 207 transitions, 2427 flow [2024-06-03 22:35:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:35:31,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:35:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2024-06-03 22:35:31,125 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38414634146341464 [2024-06-03 22:35:31,125 INFO L175 Difference]: Start difference. First operand has 154 places, 181 transitions, 1915 flow. Second operand 8 states and 126 transitions. [2024-06-03 22:35:31,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 207 transitions, 2427 flow [2024-06-03 22:35:31,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 207 transitions, 2360 flow, removed 17 selfloop flow, removed 6 redundant places. [2024-06-03 22:35:31,212 INFO L231 Difference]: Finished difference. Result has 156 places, 183 transitions, 1952 flow [2024-06-03 22:35:31,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1848, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1952, PETRI_PLACES=156, PETRI_TRANSITIONS=183} [2024-06-03 22:35:31,213 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 114 predicate places. [2024-06-03 22:35:31,213 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 183 transitions, 1952 flow [2024-06-03 22:35:31,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:31,213 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:31,213 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 22:35:31,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-06-03 22:35:31,213 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:35:31,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:31,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1313655978, now seen corresponding path program 1 times [2024-06-03 22:35:31,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:31,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586350374] [2024-06-03 22:35:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:31,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:37,682 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 22:35:37,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:37,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586350374] [2024-06-03 22:35:37,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586350374] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:37,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:37,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:35:37,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977530273] [2024-06-03 22:35:37,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:37,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:35:37,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:37,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:35:37,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:35:37,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:37,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 183 transitions, 1952 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:37,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:37,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:37,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:39,048 INFO L124 PetriNetUnfolderBase]: 2249/3403 cut-off events. [2024-06-03 22:35:39,048 INFO L125 PetriNetUnfolderBase]: For 136776/136778 co-relation queries the response was YES. [2024-06-03 22:35:39,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23288 conditions, 3403 events. 2249/3403 cut-off events. For 136776/136778 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 16519 event pairs, 343 based on Foata normal form. 16/3417 useless extension candidates. Maximal degree in co-relation 23210. Up to 2537 conditions per place. [2024-06-03 22:35:39,072 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 177 selfloop transitions, 57 changer transitions 0/237 dead transitions. [2024-06-03 22:35:39,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 237 transitions, 2800 flow [2024-06-03 22:35:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:35:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:35:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 162 transitions. [2024-06-03 22:35:39,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43902439024390244 [2024-06-03 22:35:39,074 INFO L175 Difference]: Start difference. First operand has 156 places, 183 transitions, 1952 flow. Second operand 9 states and 162 transitions. [2024-06-03 22:35:39,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 237 transitions, 2800 flow [2024-06-03 22:35:39,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 237 transitions, 2706 flow, removed 26 selfloop flow, removed 6 redundant places. [2024-06-03 22:35:39,173 INFO L231 Difference]: Finished difference. Result has 161 places, 188 transitions, 2085 flow [2024-06-03 22:35:39,174 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1868, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2085, PETRI_PLACES=161, PETRI_TRANSITIONS=188} [2024-06-03 22:35:39,174 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 119 predicate places. [2024-06-03 22:35:39,174 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 188 transitions, 2085 flow [2024-06-03 22:35:39,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:39,174 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:39,174 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 22:35:39,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-06-03 22:35:39,175 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:35:39,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash -423441566, now seen corresponding path program 2 times [2024-06-03 22:35:39,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:39,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339084602] [2024-06-03 22:35:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:39,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:45,755 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 22:35:45,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:45,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339084602] [2024-06-03 22:35:45,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339084602] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:45,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:45,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:35:45,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024752196] [2024-06-03 22:35:45,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:45,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:35:45,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:45,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:35:45,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:35:45,936 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:45,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 188 transitions, 2085 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:45,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:45,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:45,937 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:47,195 INFO L124 PetriNetUnfolderBase]: 2440/3714 cut-off events. [2024-06-03 22:35:47,196 INFO L125 PetriNetUnfolderBase]: For 147911/147913 co-relation queries the response was YES. [2024-06-03 22:35:47,210 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25484 conditions, 3714 events. 2440/3714 cut-off events. For 147911/147913 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 18721 event pairs, 538 based on Foata normal form. 16/3728 useless extension candidates. Maximal degree in co-relation 25403. Up to 3014 conditions per place. [2024-06-03 22:35:47,222 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 178 selfloop transitions, 60 changer transitions 0/241 dead transitions. [2024-06-03 22:35:47,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 241 transitions, 2926 flow [2024-06-03 22:35:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:35:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:35:47,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 163 transitions. [2024-06-03 22:35:47,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44173441734417346 [2024-06-03 22:35:47,224 INFO L175 Difference]: Start difference. First operand has 161 places, 188 transitions, 2085 flow. Second operand 9 states and 163 transitions. [2024-06-03 22:35:47,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 241 transitions, 2926 flow [2024-06-03 22:35:47,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 241 transitions, 2831 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-06-03 22:35:47,345 INFO L231 Difference]: Finished difference. Result has 167 places, 195 transitions, 2208 flow [2024-06-03 22:35:47,345 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=1994, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2208, PETRI_PLACES=167, PETRI_TRANSITIONS=195} [2024-06-03 22:35:47,345 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 125 predicate places. [2024-06-03 22:35:47,345 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 195 transitions, 2208 flow [2024-06-03 22:35:47,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:47,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:47,346 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 22:35:47,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-06-03 22:35:47,346 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:35:47,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash -423437846, now seen corresponding path program 3 times [2024-06-03 22:35:47,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:47,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628178422] [2024-06-03 22:35:47,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:47,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:35:54,032 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 22:35:54,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:35:54,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628178422] [2024-06-03 22:35:54,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628178422] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:35:54,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:35:54,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:35:54,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122746751] [2024-06-03 22:35:54,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:35:54,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:35:54,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:35:54,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:35:54,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:35:54,190 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:35:54,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 195 transitions, 2208 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:54,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:35:54,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:35:54,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:35:55,688 INFO L124 PetriNetUnfolderBase]: 2520/3854 cut-off events. [2024-06-03 22:35:55,689 INFO L125 PetriNetUnfolderBase]: For 167642/167644 co-relation queries the response was YES. [2024-06-03 22:35:55,703 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25973 conditions, 3854 events. 2520/3854 cut-off events. For 167642/167644 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 19763 event pairs, 576 based on Foata normal form. 52/3904 useless extension candidates. Maximal degree in co-relation 25889. Up to 3085 conditions per place. [2024-06-03 22:35:55,715 INFO L140 encePairwiseOnDemand]: 28/41 looper letters, 175 selfloop transitions, 69 changer transitions 0/247 dead transitions. [2024-06-03 22:35:55,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 247 transitions, 2921 flow [2024-06-03 22:35:55,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-06-03 22:35:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-06-03 22:35:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 190 transitions. [2024-06-03 22:35:55,717 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4212860310421286 [2024-06-03 22:35:55,717 INFO L175 Difference]: Start difference. First operand has 167 places, 195 transitions, 2208 flow. Second operand 11 states and 190 transitions. [2024-06-03 22:35:55,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 247 transitions, 2921 flow [2024-06-03 22:35:55,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 247 transitions, 2854 flow, removed 15 selfloop flow, removed 3 redundant places. [2024-06-03 22:35:55,884 INFO L231 Difference]: Finished difference. Result has 175 places, 198 transitions, 2372 flow [2024-06-03 22:35:55,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2151, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=2372, PETRI_PLACES=175, PETRI_TRANSITIONS=198} [2024-06-03 22:35:55,884 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 133 predicate places. [2024-06-03 22:35:55,884 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 198 transitions, 2372 flow [2024-06-03 22:35:55,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:35:55,884 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:35:55,885 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 22:35:55,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-06-03 22:35:55,885 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:35:55,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:35:55,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1225090218, now seen corresponding path program 4 times [2024-06-03 22:35:55,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:35:55,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054750331] [2024-06-03 22:35:55,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:35:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:35:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:02,899 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 22:36:02,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:02,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054750331] [2024-06-03 22:36:02,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054750331] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:02,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:02,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:02,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397343175] [2024-06-03 22:36:02,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:02,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:02,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:02,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:02,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:03,110 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:03,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 198 transitions, 2372 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:03,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:03,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:03,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:04,367 INFO L124 PetriNetUnfolderBase]: 2578/3952 cut-off events. [2024-06-03 22:36:04,367 INFO L125 PetriNetUnfolderBase]: For 155809/155811 co-relation queries the response was YES. [2024-06-03 22:36:04,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27018 conditions, 3952 events. 2578/3952 cut-off events. For 155809/155811 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 20433 event pairs, 609 based on Foata normal form. 16/3966 useless extension candidates. Maximal degree in co-relation 26932. Up to 3409 conditions per place. [2024-06-03 22:36:04,397 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 187 selfloop transitions, 52 changer transitions 0/242 dead transitions. [2024-06-03 22:36:04,397 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 242 transitions, 3049 flow [2024-06-03 22:36:04,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:36:04,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:36:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 159 transitions. [2024-06-03 22:36:04,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43089430894308944 [2024-06-03 22:36:04,400 INFO L175 Difference]: Start difference. First operand has 175 places, 198 transitions, 2372 flow. Second operand 9 states and 159 transitions. [2024-06-03 22:36:04,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 242 transitions, 3049 flow [2024-06-03 22:36:04,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 242 transitions, 2905 flow, removed 8 selfloop flow, removed 9 redundant places. [2024-06-03 22:36:04,569 INFO L231 Difference]: Finished difference. Result has 176 places, 201 transitions, 2409 flow [2024-06-03 22:36:04,569 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2228, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2409, PETRI_PLACES=176, PETRI_TRANSITIONS=201} [2024-06-03 22:36:04,569 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 134 predicate places. [2024-06-03 22:36:04,569 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 201 transitions, 2409 flow [2024-06-03 22:36:04,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:04,570 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:04,570 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 22:36:04,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-06-03 22:36:04,570 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 22:36:04,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:04,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1946031244, now seen corresponding path program 5 times [2024-06-03 22:36:04,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:04,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340017372] [2024-06-03 22:36:04,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:04,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:11,421 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 22:36:11,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:11,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340017372] [2024-06-03 22:36:11,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340017372] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:11,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:11,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:11,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364913070] [2024-06-03 22:36:11,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:11,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:11,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:11,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:11,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:11,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 201 transitions, 2409 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:11,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:11,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:11,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:13,041 INFO L124 PetriNetUnfolderBase]: 2722/4192 cut-off events. [2024-06-03 22:36:13,041 INFO L125 PetriNetUnfolderBase]: For 175214/175216 co-relation queries the response was YES. [2024-06-03 22:36:13,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28848 conditions, 4192 events. 2722/4192 cut-off events. For 175214/175216 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 22150 event pairs, 533 based on Foata normal form. 16/4206 useless extension candidates. Maximal degree in co-relation 28760. Up to 3348 conditions per place. [2024-06-03 22:36:13,070 INFO L140 encePairwiseOnDemand]: 28/41 looper letters, 192 selfloop transitions, 59 changer transitions 0/254 dead transitions. [2024-06-03 22:36:13,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 254 transitions, 3287 flow [2024-06-03 22:36:13,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:36:13,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:36:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 169 transitions. [2024-06-03 22:36:13,072 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45799457994579945 [2024-06-03 22:36:13,072 INFO L175 Difference]: Start difference. First operand has 176 places, 201 transitions, 2409 flow. Second operand 9 states and 169 transitions. [2024-06-03 22:36:13,072 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 254 transitions, 3287 flow [2024-06-03 22:36:13,263 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 254 transitions, 3178 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-06-03 22:36:13,266 INFO L231 Difference]: Finished difference. Result has 181 places, 204 transitions, 2504 flow [2024-06-03 22:36:13,266 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2300, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2504, PETRI_PLACES=181, PETRI_TRANSITIONS=204} [2024-06-03 22:36:13,266 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 139 predicate places. [2024-06-03 22:36:13,266 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 204 transitions, 2504 flow [2024-06-03 22:36:13,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:13,266 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:13,266 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 22:36:13,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-06-03 22:36:13,266 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 22:36:13,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:13,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1946027524, now seen corresponding path program 6 times [2024-06-03 22:36:13,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:13,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180724619] [2024-06-03 22:36:13,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:13,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:20,172 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 22:36:20,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:20,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180724619] [2024-06-03 22:36:20,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180724619] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:20,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:20,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:20,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588504390] [2024-06-03 22:36:20,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:20,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:20,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:20,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:20,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:20,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:20,343 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 204 transitions, 2504 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:20,343 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:20,343 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:20,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:21,841 INFO L124 PetriNetUnfolderBase]: 2797/4317 cut-off events. [2024-06-03 22:36:21,841 INFO L125 PetriNetUnfolderBase]: For 187917/187919 co-relation queries the response was YES. [2024-06-03 22:36:21,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30026 conditions, 4317 events. 2797/4317 cut-off events. For 187917/187919 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 23073 event pairs, 682 based on Foata normal form. 20/4335 useless extension candidates. Maximal degree in co-relation 29935. Up to 3801 conditions per place. [2024-06-03 22:36:21,880 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 179 selfloop transitions, 67 changer transitions 0/249 dead transitions. [2024-06-03 22:36:21,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 249 transitions, 3170 flow [2024-06-03 22:36:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:36:21,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:36:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 164 transitions. [2024-06-03 22:36:21,882 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2024-06-03 22:36:21,882 INFO L175 Difference]: Start difference. First operand has 181 places, 204 transitions, 2504 flow. Second operand 9 states and 164 transitions. [2024-06-03 22:36:21,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 249 transitions, 3170 flow [2024-06-03 22:36:22,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 249 transitions, 2964 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-06-03 22:36:22,087 INFO L231 Difference]: Finished difference. Result has 182 places, 205 transitions, 2473 flow [2024-06-03 22:36:22,087 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2303, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2473, PETRI_PLACES=182, PETRI_TRANSITIONS=205} [2024-06-03 22:36:22,087 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 140 predicate places. [2024-06-03 22:36:22,087 INFO L495 AbstractCegarLoop]: Abstraction has has 182 places, 205 transitions, 2473 flow [2024-06-03 22:36:22,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:22,088 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:22,088 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 22:36:22,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-06-03 22:36:22,088 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 22:36:22,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1945877422, now seen corresponding path program 1 times [2024-06-03 22:36:22,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:22,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53655280] [2024-06-03 22:36:22,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:28,856 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 22:36:28,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:28,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53655280] [2024-06-03 22:36:28,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53655280] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:28,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:28,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:36:28,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383928043] [2024-06-03 22:36:28,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:28,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:36:28,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:28,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:36:28,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:36:28,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:28,945 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 205 transitions, 2473 flow. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:28,945 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:28,945 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:28,945 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:30,476 INFO L124 PetriNetUnfolderBase]: 2814/4344 cut-off events. [2024-06-03 22:36:30,476 INFO L125 PetriNetUnfolderBase]: For 184420/184422 co-relation queries the response was YES. [2024-06-03 22:36:30,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29820 conditions, 4344 events. 2814/4344 cut-off events. For 184420/184422 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 23275 event pairs, 688 based on Foata normal form. 4/4346 useless extension candidates. Maximal degree in co-relation 29730. Up to 4077 conditions per place. [2024-06-03 22:36:30,511 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 194 selfloop transitions, 42 changer transitions 0/239 dead transitions. [2024-06-03 22:36:30,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 239 transitions, 3073 flow [2024-06-03 22:36:30,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:36:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:36:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 140 transitions. [2024-06-03 22:36:30,513 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4268292682926829 [2024-06-03 22:36:30,513 INFO L175 Difference]: Start difference. First operand has 182 places, 205 transitions, 2473 flow. Second operand 8 states and 140 transitions. [2024-06-03 22:36:30,514 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 239 transitions, 3073 flow [2024-06-03 22:36:30,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 239 transitions, 2930 flow, removed 6 selfloop flow, removed 7 redundant places. [2024-06-03 22:36:30,735 INFO L231 Difference]: Finished difference. Result has 183 places, 207 transitions, 2463 flow [2024-06-03 22:36:30,736 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2330, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=205, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2463, PETRI_PLACES=183, PETRI_TRANSITIONS=207} [2024-06-03 22:36:30,736 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 141 predicate places. [2024-06-03 22:36:30,736 INFO L495 AbstractCegarLoop]: Abstraction has has 183 places, 207 transitions, 2463 flow [2024-06-03 22:36:30,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:30,736 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:30,737 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 22:36:30,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-06-03 22:36:30,737 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 22:36:30,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:30,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1940313232, now seen corresponding path program 2 times [2024-06-03 22:36:30,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:30,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292227584] [2024-06-03 22:36:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:36:37,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:37,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292227584] [2024-06-03 22:36:37,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292227584] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:37,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:37,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:37,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92480962] [2024-06-03 22:36:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:37,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:37,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:37,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:37,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:37,682 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:37,683 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 183 places, 207 transitions, 2463 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:37,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:37,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:37,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:39,162 INFO L124 PetriNetUnfolderBase]: 2831/4371 cut-off events. [2024-06-03 22:36:39,163 INFO L125 PetriNetUnfolderBase]: For 192625/192627 co-relation queries the response was YES. [2024-06-03 22:36:39,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30101 conditions, 4371 events. 2831/4371 cut-off events. For 192625/192627 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 23449 event pairs, 689 based on Foata normal form. 4/4373 useless extension candidates. Maximal degree in co-relation 30010. Up to 4104 conditions per place. [2024-06-03 22:36:39,196 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 196 selfloop transitions, 39 changer transitions 0/238 dead transitions. [2024-06-03 22:36:39,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 238 transitions, 3055 flow [2024-06-03 22:36:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:36:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:36:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 136 transitions. [2024-06-03 22:36:39,198 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4146341463414634 [2024-06-03 22:36:39,198 INFO L175 Difference]: Start difference. First operand has 183 places, 207 transitions, 2463 flow. Second operand 8 states and 136 transitions. [2024-06-03 22:36:39,198 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 238 transitions, 3055 flow [2024-06-03 22:36:39,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 238 transitions, 2942 flow, removed 16 selfloop flow, removed 6 redundant places. [2024-06-03 22:36:39,427 INFO L231 Difference]: Finished difference. Result has 185 places, 209 transitions, 2481 flow [2024-06-03 22:36:39,427 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2350, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=37, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2481, PETRI_PLACES=185, PETRI_TRANSITIONS=209} [2024-06-03 22:36:39,428 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 143 predicate places. [2024-06-03 22:36:39,428 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 209 transitions, 2481 flow [2024-06-03 22:36:39,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:39,428 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:39,428 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 22:36:39,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-06-03 22:36:39,428 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 22:36:39,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:39,429 INFO L85 PathProgramCache]: Analyzing trace with hash -1945883374, now seen corresponding path program 7 times [2024-06-03 22:36:39,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:39,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675099498] [2024-06-03 22:36:39,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:39,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:46,751 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 22:36:46,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:46,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675099498] [2024-06-03 22:36:46,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675099498] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:46,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:46,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:46,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670928345] [2024-06-03 22:36:46,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:46,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:46,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:46,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:46,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:46,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:46,872 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 209 transitions, 2481 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:46,872 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:46,872 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:46,872 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:48,507 INFO L124 PetriNetUnfolderBase]: 2947/4567 cut-off events. [2024-06-03 22:36:48,507 INFO L125 PetriNetUnfolderBase]: For 225819/225821 co-relation queries the response was YES. [2024-06-03 22:36:48,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31369 conditions, 4567 events. 2947/4567 cut-off events. For 225819/225821 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 24886 event pairs, 709 based on Foata normal form. 32/4597 useless extension candidates. Maximal degree in co-relation 31277. Up to 4088 conditions per place. [2024-06-03 22:36:48,538 INFO L140 encePairwiseOnDemand]: 28/41 looper letters, 203 selfloop transitions, 46 changer transitions 0/252 dead transitions. [2024-06-03 22:36:48,538 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 252 transitions, 3170 flow [2024-06-03 22:36:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:36:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:36:48,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 159 transitions. [2024-06-03 22:36:48,540 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43089430894308944 [2024-06-03 22:36:48,540 INFO L175 Difference]: Start difference. First operand has 185 places, 209 transitions, 2481 flow. Second operand 9 states and 159 transitions. [2024-06-03 22:36:48,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 252 transitions, 3170 flow [2024-06-03 22:36:48,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 252 transitions, 3059 flow, removed 18 selfloop flow, removed 6 redundant places. [2024-06-03 22:36:48,780 INFO L231 Difference]: Finished difference. Result has 188 places, 211 transitions, 2535 flow [2024-06-03 22:36:48,780 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2370, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2535, PETRI_PLACES=188, PETRI_TRANSITIONS=211} [2024-06-03 22:36:48,781 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 146 predicate places. [2024-06-03 22:36:48,781 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 211 transitions, 2535 flow [2024-06-03 22:36:48,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:48,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:48,781 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 22:36:48,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-06-03 22:36:48,781 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 22:36:48,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:48,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1940520994, now seen corresponding path program 8 times [2024-06-03 22:36:48,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:48,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981679284] [2024-06-03 22:36:48,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:36:55,965 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 22:36:55,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:36:55,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981679284] [2024-06-03 22:36:55,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981679284] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:36:55,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:36:55,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:36:55,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156968986] [2024-06-03 22:36:55,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:36:55,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:36:55,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:36:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:36:55,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:36:56,124 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:36:56,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 211 transitions, 2535 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:56,125 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:36:56,125 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:36:56,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:36:57,787 INFO L124 PetriNetUnfolderBase]: 3063/4763 cut-off events. [2024-06-03 22:36:57,787 INFO L125 PetriNetUnfolderBase]: For 239885/239887 co-relation queries the response was YES. [2024-06-03 22:36:57,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32692 conditions, 4763 events. 3063/4763 cut-off events. For 239885/239887 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 26355 event pairs, 743 based on Foata normal form. 32/4793 useless extension candidates. Maximal degree in co-relation 32599. Up to 4284 conditions per place. [2024-06-03 22:36:57,822 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 205 selfloop transitions, 43 changer transitions 0/251 dead transitions. [2024-06-03 22:36:57,823 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 251 transitions, 3216 flow [2024-06-03 22:36:57,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:36:57,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:36:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 155 transitions. [2024-06-03 22:36:57,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42005420054200543 [2024-06-03 22:36:57,825 INFO L175 Difference]: Start difference. First operand has 188 places, 211 transitions, 2535 flow. Second operand 9 states and 155 transitions. [2024-06-03 22:36:57,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 251 transitions, 3216 flow [2024-06-03 22:36:58,080 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 251 transitions, 3102 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-06-03 22:36:58,083 INFO L231 Difference]: Finished difference. Result has 190 places, 213 transitions, 2584 flow [2024-06-03 22:36:58,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2421, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2584, PETRI_PLACES=190, PETRI_TRANSITIONS=213} [2024-06-03 22:36:58,083 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 148 predicate places. [2024-06-03 22:36:58,083 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 213 transitions, 2584 flow [2024-06-03 22:36:58,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:36:58,084 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:36:58,084 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 22:36:58,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-06-03 22:36:58,084 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 22:36:58,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:36:58,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1940305792, now seen corresponding path program 3 times [2024-06-03 22:36:58,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:36:58,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678144122] [2024-06-03 22:36:58,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:36:58,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:36:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:04,534 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 22:37:04,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:04,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678144122] [2024-06-03 22:37:04,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678144122] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:04,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:04,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:37:04,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911852490] [2024-06-03 22:37:04,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:04,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:37:04,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:04,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:37:04,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:37:04,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:04,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 213 transitions, 2584 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:04,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:04,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:04,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:06,142 INFO L124 PetriNetUnfolderBase]: 3080/4790 cut-off events. [2024-06-03 22:37:06,142 INFO L125 PetriNetUnfolderBase]: For 226526/226528 co-relation queries the response was YES. [2024-06-03 22:37:06,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32969 conditions, 4790 events. 3080/4790 cut-off events. For 226526/226528 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26590 event pairs, 720 based on Foata normal form. 4/4792 useless extension candidates. Maximal degree in co-relation 32875. Up to 4418 conditions per place. [2024-06-03 22:37:06,183 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 195 selfloop transitions, 46 changer transitions 0/244 dead transitions. [2024-06-03 22:37:06,183 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 244 transitions, 3186 flow [2024-06-03 22:37:06,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 136 transitions. [2024-06-03 22:37:06,186 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4146341463414634 [2024-06-03 22:37:06,186 INFO L175 Difference]: Start difference. First operand has 190 places, 213 transitions, 2584 flow. Second operand 8 states and 136 transitions. [2024-06-03 22:37:06,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 244 transitions, 3186 flow [2024-06-03 22:37:06,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 244 transitions, 3074 flow, removed 16 selfloop flow, removed 7 redundant places. [2024-06-03 22:37:06,429 INFO L231 Difference]: Finished difference. Result has 191 places, 215 transitions, 2618 flow [2024-06-03 22:37:06,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2472, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2618, PETRI_PLACES=191, PETRI_TRANSITIONS=215} [2024-06-03 22:37:06,430 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 149 predicate places. [2024-06-03 22:37:06,430 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 215 transitions, 2618 flow [2024-06-03 22:37:06,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:06,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:06,430 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 22:37:06,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-06-03 22:37:06,434 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:37:06,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:06,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1739753016, now seen corresponding path program 1 times [2024-06-03 22:37:06,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:06,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919509508] [2024-06-03 22:37:06,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:06,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:14,578 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 22:37:14,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:14,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919509508] [2024-06-03 22:37:14,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919509508] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:14,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:14,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:37:14,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457841599] [2024-06-03 22:37:14,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:14,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:37:14,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:14,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:37:14,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:37:14,705 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:14,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 215 transitions, 2618 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:37:14,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:14,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:14,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:16,107 INFO L124 PetriNetUnfolderBase]: 3095/4810 cut-off events. [2024-06-03 22:37:16,107 INFO L125 PetriNetUnfolderBase]: For 231587/231587 co-relation queries the response was YES. [2024-06-03 22:37:16,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33226 conditions, 4810 events. 3095/4810 cut-off events. For 231587/231587 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26619 event pairs, 836 based on Foata normal form. 2/4810 useless extension candidates. Maximal degree in co-relation 33131. Up to 4748 conditions per place. [2024-06-03 22:37:16,142 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 216 selfloop transitions, 24 changer transitions 0/243 dead transitions. [2024-06-03 22:37:16,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 243 transitions, 3322 flow [2024-06-03 22:37:16,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:37:16,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:37:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 114 transitions. [2024-06-03 22:37:16,143 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.397212543554007 [2024-06-03 22:37:16,143 INFO L175 Difference]: Start difference. First operand has 191 places, 215 transitions, 2618 flow. Second operand 7 states and 114 transitions. [2024-06-03 22:37:16,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 243 transitions, 3322 flow [2024-06-03 22:37:16,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 243 transitions, 3196 flow, removed 19 selfloop flow, removed 6 redundant places. [2024-06-03 22:37:16,366 INFO L231 Difference]: Finished difference. Result has 193 places, 224 transitions, 2648 flow [2024-06-03 22:37:16,366 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2492, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2648, PETRI_PLACES=193, PETRI_TRANSITIONS=224} [2024-06-03 22:37:16,367 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 151 predicate places. [2024-06-03 22:37:16,367 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 224 transitions, 2648 flow [2024-06-03 22:37:16,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:37:16,367 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:16,367 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 22:37:16,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-06-03 22:37:16,367 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 22:37:16,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash -760039342, now seen corresponding path program 4 times [2024-06-03 22:37:16,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:16,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137740425] [2024-06-03 22:37:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:16,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:23,115 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 22:37:23,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:23,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137740425] [2024-06-03 22:37:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137740425] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:23,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:23,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:37:23,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170732862] [2024-06-03 22:37:23,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:23,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:37:23,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:23,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:37:23,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:37:23,205 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:23,206 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 224 transitions, 2648 flow. Second operand has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:23,206 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:23,206 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:23,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:24,732 INFO L124 PetriNetUnfolderBase]: 3087/4799 cut-off events. [2024-06-03 22:37:24,733 INFO L125 PetriNetUnfolderBase]: For 238699/238701 co-relation queries the response was YES. [2024-06-03 22:37:24,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32962 conditions, 4799 events. 3087/4799 cut-off events. For 238699/238701 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26614 event pairs, 819 based on Foata normal form. 6/4803 useless extension candidates. Maximal degree in co-relation 32865. Up to 4708 conditions per place. [2024-06-03 22:37:24,773 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 229 selfloop transitions, 19 changer transitions 0/251 dead transitions. [2024-06-03 22:37:24,773 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 251 transitions, 3262 flow [2024-06-03 22:37:24,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:24,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 127 transitions. [2024-06-03 22:37:24,775 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3871951219512195 [2024-06-03 22:37:24,775 INFO L175 Difference]: Start difference. First operand has 193 places, 224 transitions, 2648 flow. Second operand 8 states and 127 transitions. [2024-06-03 22:37:24,775 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 251 transitions, 3262 flow [2024-06-03 22:37:25,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 251 transitions, 3210 flow, removed 13 selfloop flow, removed 3 redundant places. [2024-06-03 22:37:25,054 INFO L231 Difference]: Finished difference. Result has 198 places, 226 transitions, 2697 flow [2024-06-03 22:37:25,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2596, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2697, PETRI_PLACES=198, PETRI_TRANSITIONS=226} [2024-06-03 22:37:25,054 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 156 predicate places. [2024-06-03 22:37:25,054 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 226 transitions, 2697 flow [2024-06-03 22:37:25,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.666666666666666) internal successors, (78), 9 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:25,054 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:25,054 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 22:37:25,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-06-03 22:37:25,054 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 22:37:25,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:25,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1801875900, now seen corresponding path program 5 times [2024-06-03 22:37:25,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:25,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413206322] [2024-06-03 22:37:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:25,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:31,782 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 22:37:31,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:31,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413206322] [2024-06-03 22:37:31,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413206322] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:31,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:31,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:37:31,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561240016] [2024-06-03 22:37:31,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:31,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:37:31,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:31,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:37:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:37:31,988 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:31,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 226 transitions, 2697 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:31,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:31,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:31,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:33,656 INFO L124 PetriNetUnfolderBase]: 3104/4826 cut-off events. [2024-06-03 22:37:33,656 INFO L125 PetriNetUnfolderBase]: For 250291/250293 co-relation queries the response was YES. [2024-06-03 22:37:33,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33475 conditions, 4826 events. 3104/4826 cut-off events. For 250291/250293 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 26765 event pairs, 824 based on Foata normal form. 6/4830 useless extension candidates. Maximal degree in co-relation 33377. Up to 4694 conditions per place. [2024-06-03 22:37:33,695 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 228 selfloop transitions, 22 changer transitions 0/253 dead transitions. [2024-06-03 22:37:33,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 253 transitions, 3309 flow [2024-06-03 22:37:33,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:33,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2024-06-03 22:37:33,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:37:33,697 INFO L175 Difference]: Start difference. First operand has 198 places, 226 transitions, 2697 flow. Second operand 8 states and 128 transitions. [2024-06-03 22:37:33,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 253 transitions, 3309 flow [2024-06-03 22:37:33,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 253 transitions, 3228 flow, removed 23 selfloop flow, removed 6 redundant places. [2024-06-03 22:37:33,994 INFO L231 Difference]: Finished difference. Result has 200 places, 228 transitions, 2719 flow [2024-06-03 22:37:33,994 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2616, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2719, PETRI_PLACES=200, PETRI_TRANSITIONS=228} [2024-06-03 22:37:33,995 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 158 predicate places. [2024-06-03 22:37:33,995 INFO L495 AbstractCegarLoop]: Abstraction has has 200 places, 228 transitions, 2719 flow [2024-06-03 22:37:33,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:33,995 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:33,995 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 22:37:33,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-06-03 22:37:33,995 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 22:37:33,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1545375390, now seen corresponding path program 6 times [2024-06-03 22:37:33,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:33,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882759934] [2024-06-03 22:37:33,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:33,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:40,526 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 22:37:40,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:40,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882759934] [2024-06-03 22:37:40,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882759934] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:40,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:40,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:37:40,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854702326] [2024-06-03 22:37:40,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:40,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:37:40,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:40,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:37:40,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:37:40,652 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:40,653 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 228 transitions, 2719 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:40,653 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:40,653 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:40,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:42,378 INFO L124 PetriNetUnfolderBase]: 3146/4892 cut-off events. [2024-06-03 22:37:42,378 INFO L125 PetriNetUnfolderBase]: For 266467/266469 co-relation queries the response was YES. [2024-06-03 22:37:42,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34409 conditions, 4892 events. 3146/4892 cut-off events. For 266467/266469 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 27208 event pairs, 826 based on Foata normal form. 6/4896 useless extension candidates. Maximal degree in co-relation 34310. Up to 4668 conditions per place. [2024-06-03 22:37:42,416 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 221 selfloop transitions, 35 changer transitions 0/259 dead transitions. [2024-06-03 22:37:42,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 259 transitions, 3583 flow [2024-06-03 22:37:42,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:42,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:42,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 131 transitions. [2024-06-03 22:37:42,418 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39939024390243905 [2024-06-03 22:37:42,418 INFO L175 Difference]: Start difference. First operand has 200 places, 228 transitions, 2719 flow. Second operand 8 states and 131 transitions. [2024-06-03 22:37:42,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 259 transitions, 3583 flow [2024-06-03 22:37:42,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 259 transitions, 3498 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-06-03 22:37:42,651 INFO L231 Difference]: Finished difference. Result has 202 places, 232 transitions, 2822 flow [2024-06-03 22:37:42,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2634, PETRI_DIFFERENCE_MINUEND_PLACES=194, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2822, PETRI_PLACES=202, PETRI_TRANSITIONS=232} [2024-06-03 22:37:42,651 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 160 predicate places. [2024-06-03 22:37:42,651 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 232 transitions, 2822 flow [2024-06-03 22:37:42,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:42,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:42,652 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 22:37:42,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-06-03 22:37:42,652 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 22:37:42,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:42,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1505779978, now seen corresponding path program 7 times [2024-06-03 22:37:42,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:42,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433857163] [2024-06-03 22:37:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:42,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:49,066 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 22:37:49,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:49,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433857163] [2024-06-03 22:37:49,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433857163] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:49,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:49,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:37:49,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056779342] [2024-06-03 22:37:49,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:49,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:37:49,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:37:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:37:49,240 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:49,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 232 transitions, 2822 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:49,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:49,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:49,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:50,789 INFO L124 PetriNetUnfolderBase]: 3138/4880 cut-off events. [2024-06-03 22:37:50,790 INFO L125 PetriNetUnfolderBase]: For 273404/273406 co-relation queries the response was YES. [2024-06-03 22:37:50,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34438 conditions, 4880 events. 3138/4880 cut-off events. For 273404/273406 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 27155 event pairs, 829 based on Foata normal form. 6/4884 useless extension candidates. Maximal degree in co-relation 34338. Up to 4744 conditions per place. [2024-06-03 22:37:50,830 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 225 selfloop transitions, 29 changer transitions 0/257 dead transitions. [2024-06-03 22:37:50,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 257 transitions, 3396 flow [2024-06-03 22:37:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:50,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 128 transitions. [2024-06-03 22:37:50,833 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:37:50,833 INFO L175 Difference]: Start difference. First operand has 202 places, 232 transitions, 2822 flow. Second operand 8 states and 128 transitions. [2024-06-03 22:37:50,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 257 transitions, 3396 flow [2024-06-03 22:37:51,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 257 transitions, 3283 flow, removed 43 selfloop flow, removed 4 redundant places. [2024-06-03 22:37:51,104 INFO L231 Difference]: Finished difference. Result has 206 places, 232 transitions, 2777 flow [2024-06-03 22:37:51,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2709, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2777, PETRI_PLACES=206, PETRI_TRANSITIONS=232} [2024-06-03 22:37:51,104 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 164 predicate places. [2024-06-03 22:37:51,104 INFO L495 AbstractCegarLoop]: Abstraction has has 206 places, 232 transitions, 2777 flow [2024-06-03 22:37:51,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:51,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:51,104 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 22:37:51,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-06-03 22:37:51,105 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 22:37:51,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:51,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1506046888, now seen corresponding path program 8 times [2024-06-03 22:37:51,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:51,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210643716] [2024-06-03 22:37:51,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:51,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:37:57,243 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 22:37:57,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:37:57,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210643716] [2024-06-03 22:37:57,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210643716] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:37:57,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:37:57,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:37:57,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891093913] [2024-06-03 22:37:57,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:37:57,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:37:57,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:37:57,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:37:57,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:37:57,383 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:37:57,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 232 transitions, 2777 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:57,384 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:37:57,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:37:57,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:37:58,929 INFO L124 PetriNetUnfolderBase]: 3130/4868 cut-off events. [2024-06-03 22:37:58,929 INFO L125 PetriNetUnfolderBase]: For 277266/277268 co-relation queries the response was YES. [2024-06-03 22:37:58,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34238 conditions, 4868 events. 3130/4868 cut-off events. For 277266/277268 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 27012 event pairs, 817 based on Foata normal form. 6/4872 useless extension candidates. Maximal degree in co-relation 34136. Up to 4763 conditions per place. [2024-06-03 22:37:58,968 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 237 selfloop transitions, 19 changer transitions 0/259 dead transitions. [2024-06-03 22:37:58,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 259 transitions, 3407 flow [2024-06-03 22:37:58,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:37:58,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:37:58,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2024-06-03 22:37:58,970 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38414634146341464 [2024-06-03 22:37:58,971 INFO L175 Difference]: Start difference. First operand has 206 places, 232 transitions, 2777 flow. Second operand 8 states and 126 transitions. [2024-06-03 22:37:58,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 259 transitions, 3407 flow [2024-06-03 22:37:59,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 259 transitions, 3341 flow, removed 1 selfloop flow, removed 7 redundant places. [2024-06-03 22:37:59,253 INFO L231 Difference]: Finished difference. Result has 207 places, 234 transitions, 2816 flow [2024-06-03 22:37:59,253 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2711, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=2816, PETRI_PLACES=207, PETRI_TRANSITIONS=234} [2024-06-03 22:37:59,254 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 165 predicate places. [2024-06-03 22:37:59,254 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 234 transitions, 2816 flow [2024-06-03 22:37:59,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:37:59,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:37:59,254 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 22:37:59,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-06-03 22:37:59,254 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 22:37:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:37:59,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1802091102, now seen corresponding path program 9 times [2024-06-03 22:37:59,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:37:59,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124979707] [2024-06-03 22:37:59,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:37:59,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:37:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:06,244 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 22:38:06,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:06,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124979707] [2024-06-03 22:38:06,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124979707] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:06,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:06,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:38:06,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913160911] [2024-06-03 22:38:06,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:06,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:38:06,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:06,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:38:06,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:38:06,379 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:38:06,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 234 transitions, 2816 flow. Second operand has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:06,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:06,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:38:06,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:08,151 INFO L124 PetriNetUnfolderBase]: 3074/4780 cut-off events. [2024-06-03 22:38:08,151 INFO L125 PetriNetUnfolderBase]: For 283704/283706 co-relation queries the response was YES. [2024-06-03 22:38:08,174 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32473 conditions, 4780 events. 3074/4780 cut-off events. For 283704/283706 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26464 event pairs, 786 based on Foata normal form. 34/4812 useless extension candidates. Maximal degree in co-relation 32370. Up to 4477 conditions per place. [2024-06-03 22:38:08,189 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 243 selfloop transitions, 23 changer transitions 0/269 dead transitions. [2024-06-03 22:38:08,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 269 transitions, 3489 flow [2024-06-03 22:38:08,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:38:08,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:38:08,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2024-06-03 22:38:08,191 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3956639566395664 [2024-06-03 22:38:08,192 INFO L175 Difference]: Start difference. First operand has 207 places, 234 transitions, 2816 flow. Second operand 9 states and 146 transitions. [2024-06-03 22:38:08,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 269 transitions, 3489 flow [2024-06-03 22:38:08,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 269 transitions, 3366 flow, removed 44 selfloop flow, removed 6 redundant places. [2024-06-03 22:38:08,524 INFO L231 Difference]: Finished difference. Result has 210 places, 235 transitions, 2784 flow [2024-06-03 22:38:08,524 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2705, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=2784, PETRI_PLACES=210, PETRI_TRANSITIONS=235} [2024-06-03 22:38:08,525 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 168 predicate places. [2024-06-03 22:38:08,525 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 235 transitions, 2784 flow [2024-06-03 22:38:08,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.5) internal successors, (85), 10 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:38:08,525 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:08,525 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 22:38:08,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-06-03 22:38:08,525 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:08,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:08,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1353683110, now seen corresponding path program 2 times [2024-06-03 22:38:08,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:08,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280419490] [2024-06-03 22:38:08,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:08,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:15,781 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 22:38:15,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:15,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280419490] [2024-06-03 22:38:15,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280419490] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:15,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:15,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:15,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842490296] [2024-06-03 22:38:15,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:15,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:15,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:15,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:38:15,873 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:38:15,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 235 transitions, 2784 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:15,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:15,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:38:15,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:17,288 INFO L124 PetriNetUnfolderBase]: 3084/4793 cut-off events. [2024-06-03 22:38:17,288 INFO L125 PetriNetUnfolderBase]: For 255616/255616 co-relation queries the response was YES. [2024-06-03 22:38:17,310 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32427 conditions, 4793 events. 3084/4793 cut-off events. For 255616/255616 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26522 event pairs, 801 based on Foata normal form. 2/4793 useless extension candidates. Maximal degree in co-relation 32323. Up to 4765 conditions per place. [2024-06-03 22:38:17,324 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 230 selfloop transitions, 17 changer transitions 0/250 dead transitions. [2024-06-03 22:38:17,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 250 transitions, 3351 flow [2024-06-03 22:38:17,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2024-06-03 22:38:17,326 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37398373983739835 [2024-06-03 22:38:17,326 INFO L175 Difference]: Start difference. First operand has 210 places, 235 transitions, 2784 flow. Second operand 6 states and 92 transitions. [2024-06-03 22:38:17,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 250 transitions, 3351 flow [2024-06-03 22:38:17,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 250 transitions, 3301 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-06-03 22:38:17,617 INFO L231 Difference]: Finished difference. Result has 211 places, 241 transitions, 2837 flow [2024-06-03 22:38:17,617 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2734, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2837, PETRI_PLACES=211, PETRI_TRANSITIONS=241} [2024-06-03 22:38:17,618 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 169 predicate places. [2024-06-03 22:38:17,618 INFO L495 AbstractCegarLoop]: Abstraction has has 211 places, 241 transitions, 2837 flow [2024-06-03 22:38:17,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:17,618 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:17,618 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 22:38:17,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-06-03 22:38:17,618 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:17,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:17,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2043715990, now seen corresponding path program 3 times [2024-06-03 22:38:17,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:17,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957106092] [2024-06-03 22:38:17,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:17,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:25,234 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 22:38:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957106092] [2024-06-03 22:38:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957106092] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:25,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991918812] [2024-06-03 22:38:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:25,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:25,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:25,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:38:25,359 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:38:25,359 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 211 places, 241 transitions, 2837 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:25,359 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:25,359 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:38:25,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:26,721 INFO L124 PetriNetUnfolderBase]: 3086/4796 cut-off events. [2024-06-03 22:38:26,721 INFO L125 PetriNetUnfolderBase]: For 262507/262507 co-relation queries the response was YES. [2024-06-03 22:38:26,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32578 conditions, 4796 events. 3086/4796 cut-off events. For 262507/262507 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26564 event pairs, 802 based on Foata normal form. 2/4796 useless extension candidates. Maximal degree in co-relation 32472. Up to 4731 conditions per place. [2024-06-03 22:38:26,765 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 226 selfloop transitions, 32 changer transitions 0/261 dead transitions. [2024-06-03 22:38:26,765 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 261 transitions, 3544 flow [2024-06-03 22:38:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:38:26,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:38:26,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 103 transitions. [2024-06-03 22:38:26,766 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4186991869918699 [2024-06-03 22:38:26,766 INFO L175 Difference]: Start difference. First operand has 211 places, 241 transitions, 2837 flow. Second operand 6 states and 103 transitions. [2024-06-03 22:38:26,766 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 261 transitions, 3544 flow [2024-06-03 22:38:27,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 261 transitions, 3513 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-06-03 22:38:27,058 INFO L231 Difference]: Finished difference. Result has 215 places, 244 transitions, 2921 flow [2024-06-03 22:38:27,059 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2806, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2921, PETRI_PLACES=215, PETRI_TRANSITIONS=244} [2024-06-03 22:38:27,059 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 173 predicate places. [2024-06-03 22:38:27,059 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 244 transitions, 2921 flow [2024-06-03 22:38:27,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:27,059 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:27,059 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 22:38:27,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-06-03 22:38:27,059 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:27,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:27,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1924265316, now seen corresponding path program 1 times [2024-06-03 22:38:27,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:27,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109706712] [2024-06-03 22:38:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:36,629 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 22:38:36,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:36,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109706712] [2024-06-03 22:38:36,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109706712] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:36,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:36,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:36,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077476161] [2024-06-03 22:38:36,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:36,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:36,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:36,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:36,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:38:36,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:38:36,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 244 transitions, 2921 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:36,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:36,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:38:36,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:38,299 INFO L124 PetriNetUnfolderBase]: 3096/4810 cut-off events. [2024-06-03 22:38:38,300 INFO L125 PetriNetUnfolderBase]: For 272718/272718 co-relation queries the response was YES. [2024-06-03 22:38:38,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32883 conditions, 4810 events. 3096/4810 cut-off events. For 272718/272718 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26607 event pairs, 799 based on Foata normal form. 2/4810 useless extension candidates. Maximal degree in co-relation 32775. Up to 4745 conditions per place. [2024-06-03 22:38:38,337 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 241 selfloop transitions, 24 changer transitions 0/268 dead transitions. [2024-06-03 22:38:38,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 268 transitions, 3679 flow [2024-06-03 22:38:38,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:38:38,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:38:38,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 112 transitions. [2024-06-03 22:38:38,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:38:38,340 INFO L175 Difference]: Start difference. First operand has 215 places, 244 transitions, 2921 flow. Second operand 7 states and 112 transitions. [2024-06-03 22:38:38,340 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 268 transitions, 3679 flow [2024-06-03 22:38:38,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 268 transitions, 3612 flow, removed 13 selfloop flow, removed 4 redundant places. [2024-06-03 22:38:38,671 INFO L231 Difference]: Finished difference. Result has 218 places, 250 transitions, 2993 flow [2024-06-03 22:38:38,671 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2856, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=2993, PETRI_PLACES=218, PETRI_TRANSITIONS=250} [2024-06-03 22:38:38,671 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 176 predicate places. [2024-06-03 22:38:38,671 INFO L495 AbstractCegarLoop]: Abstraction has has 218 places, 250 transitions, 2993 flow [2024-06-03 22:38:38,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:38,671 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:38,671 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 22:38:38,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-06-03 22:38:38,671 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:38,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:38,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1753442730, now seen corresponding path program 1 times [2024-06-03 22:38:38,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:38,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832334677] [2024-06-03 22:38:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:38,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:48,148 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 22:38:48,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:48,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832334677] [2024-06-03 22:38:48,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832334677] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:48,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:48,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:48,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230104348] [2024-06-03 22:38:48,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:48,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:48,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:48,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:48,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:38:48,221 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:38:48,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 250 transitions, 2993 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:48,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:38:48,222 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:38:48,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:38:49,795 INFO L124 PetriNetUnfolderBase]: 3111/4831 cut-off events. [2024-06-03 22:38:49,795 INFO L125 PetriNetUnfolderBase]: For 274256/274256 co-relation queries the response was YES. [2024-06-03 22:38:49,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33302 conditions, 4831 events. 3111/4831 cut-off events. For 274256/274256 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26730 event pairs, 800 based on Foata normal form. 2/4831 useless extension candidates. Maximal degree in co-relation 33194. Up to 4775 conditions per place. [2024-06-03 22:38:49,841 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 242 selfloop transitions, 26 changer transitions 0/271 dead transitions. [2024-06-03 22:38:49,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 271 transitions, 3738 flow [2024-06-03 22:38:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:38:49,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:38:49,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 111 transitions. [2024-06-03 22:38:49,843 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3867595818815331 [2024-06-03 22:38:49,843 INFO L175 Difference]: Start difference. First operand has 218 places, 250 transitions, 2993 flow. Second operand 7 states and 111 transitions. [2024-06-03 22:38:49,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 271 transitions, 3738 flow [2024-06-03 22:38:50,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 221 places, 271 transitions, 3681 flow, removed 19 selfloop flow, removed 3 redundant places. [2024-06-03 22:38:50,200 INFO L231 Difference]: Finished difference. Result has 223 places, 256 transitions, 3065 flow [2024-06-03 22:38:50,201 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=2939, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=229, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3065, PETRI_PLACES=223, PETRI_TRANSITIONS=256} [2024-06-03 22:38:50,201 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 181 predicate places. [2024-06-03 22:38:50,201 INFO L495 AbstractCegarLoop]: Abstraction has has 223 places, 256 transitions, 3065 flow [2024-06-03 22:38:50,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:38:50,201 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:38:50,201 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 22:38:50,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-06-03 22:38:50,202 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:38:50,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:38:50,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1924145346, now seen corresponding path program 2 times [2024-06-03 22:38:50,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:38:50,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136150085] [2024-06-03 22:38:50,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:38:50,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:38:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:38:59,955 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 22:38:59,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:38:59,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136150085] [2024-06-03 22:38:59,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136150085] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:38:59,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:38:59,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:38:59,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888831982] [2024-06-03 22:38:59,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:38:59,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:38:59,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:38:59,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:38:59,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:00,125 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:00,125 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 256 transitions, 3065 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:00,126 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:00,126 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:00,126 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:01,639 INFO L124 PetriNetUnfolderBase]: 3121/4845 cut-off events. [2024-06-03 22:39:01,639 INFO L125 PetriNetUnfolderBase]: For 283942/283942 co-relation queries the response was YES. [2024-06-03 22:39:01,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33575 conditions, 4845 events. 3121/4845 cut-off events. For 283942/283942 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26797 event pairs, 798 based on Foata normal form. 2/4845 useless extension candidates. Maximal degree in co-relation 33464. Up to 4808 conditions per place. [2024-06-03 22:39:01,684 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 249 selfloop transitions, 20 changer transitions 0/272 dead transitions. [2024-06-03 22:39:01,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 272 transitions, 3675 flow [2024-06-03 22:39:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:39:01,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:39:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 106 transitions. [2024-06-03 22:39:01,685 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3693379790940767 [2024-06-03 22:39:01,685 INFO L175 Difference]: Start difference. First operand has 223 places, 256 transitions, 3065 flow. Second operand 7 states and 106 transitions. [2024-06-03 22:39:01,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 272 transitions, 3675 flow [2024-06-03 22:39:02,107 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 272 transitions, 3610 flow, removed 7 selfloop flow, removed 4 redundant places. [2024-06-03 22:39:02,110 INFO L231 Difference]: Finished difference. Result has 226 places, 259 transitions, 3090 flow [2024-06-03 22:39:02,111 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3000, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=3090, PETRI_PLACES=226, PETRI_TRANSITIONS=259} [2024-06-03 22:39:02,111 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 184 predicate places. [2024-06-03 22:39:02,111 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 259 transitions, 3090 flow [2024-06-03 22:39:02,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:02,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:02,112 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 22:39:02,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-06-03 22:39:02,112 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 22:39:02,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:02,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2044137652, now seen corresponding path program 2 times [2024-06-03 22:39:02,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:02,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570189269] [2024-06-03 22:39:02,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:11,699 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 22:39:11,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:11,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570189269] [2024-06-03 22:39:11,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570189269] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:11,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:11,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:11,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362783971] [2024-06-03 22:39:11,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:11,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:11,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:11,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:11,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:11,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:11,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 259 transitions, 3090 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:11,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:11,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:11,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:13,241 INFO L124 PetriNetUnfolderBase]: 3131/4860 cut-off events. [2024-06-03 22:39:13,241 INFO L125 PetriNetUnfolderBase]: For 293395/293397 co-relation queries the response was YES. [2024-06-03 22:39:13,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33816 conditions, 4860 events. 3131/4860 cut-off events. For 293395/293397 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 26912 event pairs, 804 based on Foata normal form. 4/4862 useless extension candidates. Maximal degree in co-relation 33705. Up to 4799 conditions per place. [2024-06-03 22:39:13,280 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 242 selfloop transitions, 28 changer transitions 0/273 dead transitions. [2024-06-03 22:39:13,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 273 transitions, 3794 flow [2024-06-03 22:39:13,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:39:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:39:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 95 transitions. [2024-06-03 22:39:13,282 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3861788617886179 [2024-06-03 22:39:13,282 INFO L175 Difference]: Start difference. First operand has 226 places, 259 transitions, 3090 flow. Second operand 6 states and 95 transitions. [2024-06-03 22:39:13,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 273 transitions, 3794 flow [2024-06-03 22:39:13,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 225 places, 273 transitions, 3724 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-06-03 22:39:13,679 INFO L231 Difference]: Finished difference. Result has 226 places, 262 transitions, 3109 flow [2024-06-03 22:39:13,679 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3020, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=234, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3109, PETRI_PLACES=226, PETRI_TRANSITIONS=262} [2024-06-03 22:39:13,679 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 184 predicate places. [2024-06-03 22:39:13,679 INFO L495 AbstractCegarLoop]: Abstraction has has 226 places, 262 transitions, 3109 flow [2024-06-03 22:39:13,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:13,680 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:13,680 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 22:39:13,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-06-03 22:39:13,680 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 22:39:13,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2043900316, now seen corresponding path program 3 times [2024-06-03 22:39:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:13,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273848950] [2024-06-03 22:39:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:23,184 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 22:39:23,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:23,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273848950] [2024-06-03 22:39:23,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273848950] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:23,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:23,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:23,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085028658] [2024-06-03 22:39:23,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:23,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:23,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:23,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:23,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:23,252 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:23,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 262 transitions, 3109 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:23,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:23,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:23,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:24,876 INFO L124 PetriNetUnfolderBase]: 3125/4851 cut-off events. [2024-06-03 22:39:24,876 INFO L125 PetriNetUnfolderBase]: For 299695/299695 co-relation queries the response was YES. [2024-06-03 22:39:24,897 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33820 conditions, 4851 events. 3125/4851 cut-off events. For 299695/299695 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26836 event pairs, 797 based on Foata normal form. 2/4851 useless extension candidates. Maximal degree in co-relation 33709. Up to 4790 conditions per place. [2024-06-03 22:39:24,910 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 247 selfloop transitions, 27 changer transitions 0/277 dead transitions. [2024-06-03 22:39:24,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 277 transitions, 3697 flow [2024-06-03 22:39:24,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:39:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:39:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2024-06-03 22:39:24,912 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4024390243902439 [2024-06-03 22:39:24,912 INFO L175 Difference]: Start difference. First operand has 226 places, 262 transitions, 3109 flow. Second operand 6 states and 99 transitions. [2024-06-03 22:39:24,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 277 transitions, 3697 flow [2024-06-03 22:39:25,293 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 277 transitions, 3617 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-06-03 22:39:25,296 INFO L231 Difference]: Finished difference. Result has 228 places, 262 transitions, 3099 flow [2024-06-03 22:39:25,297 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3029, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3099, PETRI_PLACES=228, PETRI_TRANSITIONS=262} [2024-06-03 22:39:25,297 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 186 predicate places. [2024-06-03 22:39:25,297 INFO L495 AbstractCegarLoop]: Abstraction has has 228 places, 262 transitions, 3099 flow [2024-06-03 22:39:25,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:25,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:25,297 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 22:39:25,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-06-03 22:39:25,297 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 22:39:25,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:25,298 INFO L85 PathProgramCache]: Analyzing trace with hash 2043900502, now seen corresponding path program 3 times [2024-06-03 22:39:25,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:25,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981340559] [2024-06-03 22:39:25,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:25,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:34,788 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 22:39:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981340559] [2024-06-03 22:39:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981340559] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:34,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:34,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486852625] [2024-06-03 22:39:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:34,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:34,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:34,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:34,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:34,885 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:34,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 262 transitions, 3099 flow. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:34,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:34,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:34,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:36,336 INFO L124 PetriNetUnfolderBase]: 3119/4843 cut-off events. [2024-06-03 22:39:36,336 INFO L125 PetriNetUnfolderBase]: For 306033/306033 co-relation queries the response was YES. [2024-06-03 22:39:36,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33805 conditions, 4843 events. 3119/4843 cut-off events. For 306033/306033 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 26795 event pairs, 798 based on Foata normal form. 2/4843 useless extension candidates. Maximal degree in co-relation 33694. Up to 4786 conditions per place. [2024-06-03 22:39:36,380 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 243 selfloop transitions, 29 changer transitions 0/275 dead transitions. [2024-06-03 22:39:36,380 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 275 transitions, 3679 flow [2024-06-03 22:39:36,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:39:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:39:36,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 99 transitions. [2024-06-03 22:39:36,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4024390243902439 [2024-06-03 22:39:36,382 INFO L175 Difference]: Start difference. First operand has 228 places, 262 transitions, 3099 flow. Second operand 6 states and 99 transitions. [2024-06-03 22:39:36,382 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 275 transitions, 3679 flow [2024-06-03 22:39:36,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 275 transitions, 3617 flow, removed 4 selfloop flow, removed 5 redundant places. [2024-06-03 22:39:36,749 INFO L231 Difference]: Finished difference. Result has 229 places, 262 transitions, 3105 flow [2024-06-03 22:39:36,750 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3037, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3105, PETRI_PLACES=229, PETRI_TRANSITIONS=262} [2024-06-03 22:39:36,750 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 187 predicate places. [2024-06-03 22:39:36,750 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 262 transitions, 3105 flow [2024-06-03 22:39:36,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states 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 22:39:36,750 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:36,750 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 22:39:36,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-06-03 22:39:36,750 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 22:39:36,751 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:36,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2044146580, now seen corresponding path program 1 times [2024-06-03 22:39:36,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:36,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324233952] [2024-06-03 22:39:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:46,368 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 22:39:46,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:46,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324233952] [2024-06-03 22:39:46,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324233952] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:46,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:46,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-06-03 22:39:46,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937254054] [2024-06-03 22:39:46,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:46,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-06-03 22:39:46,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:46,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-06-03 22:39:46,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-06-03 22:39:46,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:46,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 262 transitions, 3105 flow. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states 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 22:39:46,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:46,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:46,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:47,879 INFO L124 PetriNetUnfolderBase]: 3114/4836 cut-off events. [2024-06-03 22:39:47,879 INFO L125 PetriNetUnfolderBase]: For 302871/302871 co-relation queries the response was YES. [2024-06-03 22:39:47,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33663 conditions, 4836 events. 3114/4836 cut-off events. For 302871/302871 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 26653 event pairs, 795 based on Foata normal form. 2/4836 useless extension candidates. Maximal degree in co-relation 33551. Up to 4808 conditions per place. [2024-06-03 22:39:47,924 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 255 selfloop transitions, 15 changer transitions 0/273 dead transitions. [2024-06-03 22:39:47,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 273 transitions, 3697 flow [2024-06-03 22:39:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:39:47,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:39:47,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 91 transitions. [2024-06-03 22:39:47,925 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3699186991869919 [2024-06-03 22:39:47,925 INFO L175 Difference]: Start difference. First operand has 229 places, 262 transitions, 3105 flow. Second operand 6 states and 91 transitions. [2024-06-03 22:39:47,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 273 transitions, 3697 flow [2024-06-03 22:39:48,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 273 transitions, 3627 flow, removed 1 selfloop flow, removed 6 redundant places. [2024-06-03 22:39:48,295 INFO L231 Difference]: Finished difference. Result has 229 places, 264 transitions, 3104 flow [2024-06-03 22:39:48,295 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3035, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=3104, PETRI_PLACES=229, PETRI_TRANSITIONS=264} [2024-06-03 22:39:48,295 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 187 predicate places. [2024-06-03 22:39:48,295 INFO L495 AbstractCegarLoop]: Abstraction has has 229 places, 264 transitions, 3104 flow [2024-06-03 22:39:48,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 0 states have call successors, (0), 0 states 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 22:39:48,295 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:48,296 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 22:39:48,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-06-03 22:39:48,296 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:39:48,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:48,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1902559160, now seen corresponding path program 1 times [2024-06-03 22:39:48,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:48,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088784400] [2024-06-03 22:39:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:39:56,232 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 22:39:56,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:39:56,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088784400] [2024-06-03 22:39:56,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088784400] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:39:56,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:39:56,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:39:56,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959417671] [2024-06-03 22:39:56,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:39:56,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:39:56,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:39:56,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:39:56,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:39:56,353 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:39:56,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 229 places, 264 transitions, 3104 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:56,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:39:56,353 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:39:56,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:39:57,815 INFO L124 PetriNetUnfolderBase]: 3210/4971 cut-off events. [2024-06-03 22:39:57,815 INFO L125 PetriNetUnfolderBase]: For 315239/315241 co-relation queries the response was YES. [2024-06-03 22:39:57,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34520 conditions, 4971 events. 3210/4971 cut-off events. For 315239/315241 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 27471 event pairs, 782 based on Foata normal form. 10/4979 useless extension candidates. Maximal degree in co-relation 34408. Up to 4494 conditions per place. [2024-06-03 22:39:57,854 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 219 selfloop transitions, 98 changer transitions 0/320 dead transitions. [2024-06-03 22:39:57,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 320 transitions, 4311 flow [2024-06-03 22:39:57,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:39:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:39:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2024-06-03 22:39:57,855 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4481707317073171 [2024-06-03 22:39:57,855 INFO L175 Difference]: Start difference. First operand has 229 places, 264 transitions, 3104 flow. Second operand 8 states and 147 transitions. [2024-06-03 22:39:57,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 320 transitions, 4311 flow [2024-06-03 22:39:58,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 320 transitions, 4258 flow, removed 13 selfloop flow, removed 4 redundant places. [2024-06-03 22:39:58,258 INFO L231 Difference]: Finished difference. Result has 234 places, 290 transitions, 3539 flow [2024-06-03 22:39:58,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3051, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=264, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=3539, PETRI_PLACES=234, PETRI_TRANSITIONS=290} [2024-06-03 22:39:58,259 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 192 predicate places. [2024-06-03 22:39:58,259 INFO L495 AbstractCegarLoop]: Abstraction has has 234 places, 290 transitions, 3539 flow [2024-06-03 22:39:58,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:39:58,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:39:58,259 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 22:39:58,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-06-03 22:39:58,259 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 22:39:58,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:39:58,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1748814671, now seen corresponding path program 1 times [2024-06-03 22:39:58,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:39:58,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955347355] [2024-06-03 22:39:58,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:39:58,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:39:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:04,873 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 22:40:04,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:04,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955347355] [2024-06-03 22:40:04,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955347355] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:04,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:04,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-06-03 22:40:04,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366416476] [2024-06-03 22:40:04,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:04,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-06-03 22:40:04,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:04,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-06-03 22:40:04,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-06-03 22:40:05,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:05,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 234 places, 290 transitions, 3539 flow. Second operand has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:05,117 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:05,117 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:05,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:06,847 INFO L124 PetriNetUnfolderBase]: 3251/5042 cut-off events. [2024-06-03 22:40:06,847 INFO L125 PetriNetUnfolderBase]: For 332703/332705 co-relation queries the response was YES. [2024-06-03 22:40:06,875 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35899 conditions, 5042 events. 3251/5042 cut-off events. For 332703/332705 co-relation queries the response was YES. Maximal size of possible extension queue 270. Compared 28063 event pairs, 697 based on Foata normal form. 12/5052 useless extension candidates. Maximal degree in co-relation 35785. Up to 4574 conditions per place. [2024-06-03 22:40:06,891 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 270 selfloop transitions, 54 changer transitions 0/327 dead transitions. [2024-06-03 22:40:06,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 327 transitions, 4325 flow [2024-06-03 22:40:06,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:40:06,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:40:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 152 transitions. [2024-06-03 22:40:06,893 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41192411924119243 [2024-06-03 22:40:06,894 INFO L175 Difference]: Start difference. First operand has 234 places, 290 transitions, 3539 flow. Second operand 9 states and 152 transitions. [2024-06-03 22:40:06,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 327 transitions, 4325 flow [2024-06-03 22:40:07,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 327 transitions, 4243 flow, removed 29 selfloop flow, removed 2 redundant places. [2024-06-03 22:40:07,248 INFO L231 Difference]: Finished difference. Result has 241 places, 291 transitions, 3607 flow [2024-06-03 22:40:07,248 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3457, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=290, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=3607, PETRI_PLACES=241, PETRI_TRANSITIONS=291} [2024-06-03 22:40:07,248 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 199 predicate places. [2024-06-03 22:40:07,248 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 291 transitions, 3607 flow [2024-06-03 22:40:07,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.454545454545455) internal successors, (93), 11 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:07,248 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:07,249 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 22:40:07,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-06-03 22:40:07,249 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:07,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:07,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1902230870, now seen corresponding path program 2 times [2024-06-03 22:40:07,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:07,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648303722] [2024-06-03 22:40:07,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:07,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:14,815 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 22:40:14,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648303722] [2024-06-03 22:40:14,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648303722] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:14,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:14,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:14,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114147667] [2024-06-03 22:40:14,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:14,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:14,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:14,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:14,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:14,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:14,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 291 transitions, 3607 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:14,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:14,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:14,980 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:16,573 INFO L124 PetriNetUnfolderBase]: 3476/5355 cut-off events. [2024-06-03 22:40:16,573 INFO L125 PetriNetUnfolderBase]: For 360401/360403 co-relation queries the response was YES. [2024-06-03 22:40:16,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38876 conditions, 5355 events. 3476/5355 cut-off events. For 360401/360403 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 29837 event pairs, 826 based on Foata normal form. 6/5359 useless extension candidates. Maximal degree in co-relation 38760. Up to 4706 conditions per place. [2024-06-03 22:40:16,614 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 240 selfloop transitions, 119 changer transitions 0/362 dead transitions. [2024-06-03 22:40:16,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 362 transitions, 5246 flow [2024-06-03 22:40:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:16,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-03 22:40:16,615 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4298780487804878 [2024-06-03 22:40:16,615 INFO L175 Difference]: Start difference. First operand has 241 places, 291 transitions, 3607 flow. Second operand 8 states and 141 transitions. [2024-06-03 22:40:16,615 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 362 transitions, 5246 flow [2024-06-03 22:40:17,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 362 transitions, 5110 flow, removed 15 selfloop flow, removed 7 redundant places. [2024-06-03 22:40:17,054 INFO L231 Difference]: Finished difference. Result has 244 places, 329 transitions, 4187 flow [2024-06-03 22:40:17,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=3471, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4187, PETRI_PLACES=244, PETRI_TRANSITIONS=329} [2024-06-03 22:40:17,055 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 202 predicate places. [2024-06-03 22:40:17,055 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 329 transitions, 4187 flow [2024-06-03 22:40:17,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:17,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:17,055 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 22:40:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-06-03 22:40:17,055 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:17,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:17,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1902242030, now seen corresponding path program 3 times [2024-06-03 22:40:17,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:17,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788806852] [2024-06-03 22:40:17,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:17,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:25,126 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 22:40:25,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788806852] [2024-06-03 22:40:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788806852] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:25,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:25,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:40:25,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893637938] [2024-06-03 22:40:25,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:25,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:40:25,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:25,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:40:25,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:40:25,241 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:25,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 329 transitions, 4187 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:25,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:25,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:25,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:26,768 INFO L124 PetriNetUnfolderBase]: 3448/5317 cut-off events. [2024-06-03 22:40:26,768 INFO L125 PetriNetUnfolderBase]: For 363198/363200 co-relation queries the response was YES. [2024-06-03 22:40:26,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38737 conditions, 5317 events. 3448/5317 cut-off events. For 363198/363200 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 29598 event pairs, 823 based on Foata normal form. 10/5325 useless extension candidates. Maximal degree in co-relation 38618. Up to 4691 conditions per place. [2024-06-03 22:40:26,818 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 242 selfloop transitions, 117 changer transitions 0/362 dead transitions. [2024-06-03 22:40:26,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 362 transitions, 5349 flow [2024-06-03 22:40:26,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:40:26,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:40:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-03 22:40:26,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4298780487804878 [2024-06-03 22:40:26,819 INFO L175 Difference]: Start difference. First operand has 244 places, 329 transitions, 4187 flow. Second operand 8 states and 141 transitions. [2024-06-03 22:40:26,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 362 transitions, 5349 flow [2024-06-03 22:40:27,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 362 transitions, 5187 flow, removed 27 selfloop flow, removed 3 redundant places. [2024-06-03 22:40:27,360 INFO L231 Difference]: Finished difference. Result has 251 places, 336 transitions, 4452 flow [2024-06-03 22:40:27,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4025, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=4452, PETRI_PLACES=251, PETRI_TRANSITIONS=336} [2024-06-03 22:40:27,361 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 209 predicate places. [2024-06-03 22:40:27,361 INFO L495 AbstractCegarLoop]: Abstraction has has 251 places, 336 transitions, 4452 flow [2024-06-03 22:40:27,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:27,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:27,361 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 22:40:27,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-06-03 22:40:27,362 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:27,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:27,362 INFO L85 PathProgramCache]: Analyzing trace with hash -376895431, now seen corresponding path program 2 times [2024-06-03 22:40:27,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:27,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267811945] [2024-06-03 22:40:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:33,978 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 22:40:33,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:33,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267811945] [2024-06-03 22:40:33,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267811945] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:33,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:33,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:40:33,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587299139] [2024-06-03 22:40:33,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:33,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:40:33,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:33,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:40:33,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:40:34,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:34,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 336 transitions, 4452 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:34,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:34,168 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:34,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:35,847 INFO L124 PetriNetUnfolderBase]: 3489/5388 cut-off events. [2024-06-03 22:40:35,847 INFO L125 PetriNetUnfolderBase]: For 380590/380592 co-relation queries the response was YES. [2024-06-03 22:40:35,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39546 conditions, 5388 events. 3489/5388 cut-off events. For 380590/380592 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 30134 event pairs, 812 based on Foata normal form. 14/5400 useless extension candidates. Maximal degree in co-relation 39424. Up to 5214 conditions per place. [2024-06-03 22:40:35,894 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 346 selfloop transitions, 20 changer transitions 0/369 dead transitions. [2024-06-03 22:40:35,894 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 259 places, 369 transitions, 5308 flow [2024-06-03 22:40:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:40:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:40:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 141 transitions. [2024-06-03 22:40:35,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3821138211382114 [2024-06-03 22:40:35,896 INFO L175 Difference]: Start difference. First operand has 251 places, 336 transitions, 4452 flow. Second operand 9 states and 141 transitions. [2024-06-03 22:40:35,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 259 places, 369 transitions, 5308 flow [2024-06-03 22:40:36,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 369 transitions, 5090 flow, removed 22 selfloop flow, removed 5 redundant places. [2024-06-03 22:40:36,453 INFO L231 Difference]: Finished difference. Result has 255 places, 337 transitions, 4318 flow [2024-06-03 22:40:36,453 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4234, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=316, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4318, PETRI_PLACES=255, PETRI_TRANSITIONS=337} [2024-06-03 22:40:36,453 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 213 predicate places. [2024-06-03 22:40:36,454 INFO L495 AbstractCegarLoop]: Abstraction has has 255 places, 337 transitions, 4318 flow [2024-06-03 22:40:36,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:36,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:36,454 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 22:40:36,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-06-03 22:40:36,454 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:36,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:36,454 INFO L85 PathProgramCache]: Analyzing trace with hash -661995301, now seen corresponding path program 3 times [2024-06-03 22:40:36,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:36,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328751454] [2024-06-03 22:40:36,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:36,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:43,542 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 22:40:43,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:43,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328751454] [2024-06-03 22:40:43,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328751454] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:43,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:43,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:40:43,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972901245] [2024-06-03 22:40:43,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:43,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:40:43,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:43,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:40:43,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:40:43,681 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:43,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 337 transitions, 4318 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:43,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:43,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:43,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:45,401 INFO L124 PetriNetUnfolderBase]: 3530/5459 cut-off events. [2024-06-03 22:40:45,401 INFO L125 PetriNetUnfolderBase]: For 393769/393771 co-relation queries the response was YES. [2024-06-03 22:40:45,429 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39730 conditions, 5459 events. 3530/5459 cut-off events. For 393769/393771 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 30801 event pairs, 840 based on Foata normal form. 14/5471 useless extension candidates. Maximal degree in co-relation 39608. Up to 5162 conditions per place. [2024-06-03 22:40:45,446 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 331 selfloop transitions, 36 changer transitions 0/370 dead transitions. [2024-06-03 22:40:45,446 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 263 places, 370 transitions, 5180 flow [2024-06-03 22:40:45,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:40:45,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:40:45,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 144 transitions. [2024-06-03 22:40:45,448 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3902439024390244 [2024-06-03 22:40:45,448 INFO L175 Difference]: Start difference. First operand has 255 places, 337 transitions, 4318 flow. Second operand 9 states and 144 transitions. [2024-06-03 22:40:45,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 263 places, 370 transitions, 5180 flow [2024-06-03 22:40:45,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 256 places, 370 transitions, 5110 flow, removed 16 selfloop flow, removed 7 redundant places. [2024-06-03 22:40:45,980 INFO L231 Difference]: Finished difference. Result has 257 places, 338 transitions, 4367 flow [2024-06-03 22:40:45,980 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4248, PETRI_DIFFERENCE_MINUEND_PLACES=248, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4367, PETRI_PLACES=257, PETRI_TRANSITIONS=338} [2024-06-03 22:40:45,980 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 215 predicate places. [2024-06-03 22:40:45,981 INFO L495 AbstractCegarLoop]: Abstraction has has 257 places, 338 transitions, 4367 flow [2024-06-03 22:40:45,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:45,981 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:45,981 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 22:40:45,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-06-03 22:40:45,981 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:45,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:45,982 INFO L85 PathProgramCache]: Analyzing trace with hash -662225941, now seen corresponding path program 4 times [2024-06-03 22:40:45,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:45,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615527282] [2024-06-03 22:40:45,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:45,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:40:53,288 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 22:40:53,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:40:53,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615527282] [2024-06-03 22:40:53,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615527282] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:40:53,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:40:53,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:40:53,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131250766] [2024-06-03 22:40:53,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:40:53,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:40:53,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:40:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:40:53,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:40:53,487 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:40:53,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 338 transitions, 4367 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:53,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:40:53,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:40:53,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:40:55,244 INFO L124 PetriNetUnfolderBase]: 3571/5530 cut-off events. [2024-06-03 22:40:55,244 INFO L125 PetriNetUnfolderBase]: For 406893/406895 co-relation queries the response was YES. [2024-06-03 22:40:55,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40293 conditions, 5530 events. 3571/5530 cut-off events. For 406893/406895 co-relation queries the response was YES. Maximal size of possible extension queue 311. Compared 31352 event pairs, 850 based on Foata normal form. 14/5542 useless extension candidates. Maximal degree in co-relation 40170. Up to 5256 conditions per place. [2024-06-03 22:40:55,294 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 337 selfloop transitions, 31 changer transitions 0/371 dead transitions. [2024-06-03 22:40:55,294 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 265 places, 371 transitions, 5235 flow [2024-06-03 22:40:55,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:40:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:40:55,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 143 transitions. [2024-06-03 22:40:55,296 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3875338753387534 [2024-06-03 22:40:55,296 INFO L175 Difference]: Start difference. First operand has 257 places, 338 transitions, 4367 flow. Second operand 9 states and 143 transitions. [2024-06-03 22:40:55,296 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 265 places, 371 transitions, 5235 flow [2024-06-03 22:40:55,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 258 places, 371 transitions, 5132 flow, removed 17 selfloop flow, removed 7 redundant places. [2024-06-03 22:40:55,834 INFO L231 Difference]: Finished difference. Result has 259 places, 339 transitions, 4376 flow [2024-06-03 22:40:55,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4264, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=307, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4376, PETRI_PLACES=259, PETRI_TRANSITIONS=339} [2024-06-03 22:40:55,835 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 217 predicate places. [2024-06-03 22:40:55,835 INFO L495 AbstractCegarLoop]: Abstraction has has 259 places, 339 transitions, 4376 flow [2024-06-03 22:40:55,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:40:55,835 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:40:55,835 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 22:40:55,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-06-03 22:40:55,835 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:40:55,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:40:55,835 INFO L85 PathProgramCache]: Analyzing trace with hash -662232451, now seen corresponding path program 5 times [2024-06-03 22:40:55,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:40:55,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221130372] [2024-06-03 22:40:55,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:40:55,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:40:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:02,731 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 22:41:02,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:02,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221130372] [2024-06-03 22:41:02,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221130372] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:02,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:02,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:02,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433450812] [2024-06-03 22:41:02,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:02,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:02,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:02,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:02,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:02,875 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:02,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 259 places, 339 transitions, 4376 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:02,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:02,875 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:02,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:04,663 INFO L124 PetriNetUnfolderBase]: 3543/5486 cut-off events. [2024-06-03 22:41:04,664 INFO L125 PetriNetUnfolderBase]: For 397901/397903 co-relation queries the response was YES. [2024-06-03 22:41:04,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39104 conditions, 5486 events. 3543/5486 cut-off events. For 397901/397903 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 31021 event pairs, 854 based on Foata normal form. 18/5502 useless extension candidates. Maximal degree in co-relation 38980. Up to 5142 conditions per place. [2024-06-03 22:41:04,712 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 336 selfloop transitions, 33 changer transitions 0/372 dead transitions. [2024-06-03 22:41:04,712 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 372 transitions, 5120 flow [2024-06-03 22:41:04,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 145 transitions. [2024-06-03 22:41:04,714 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39295392953929537 [2024-06-03 22:41:04,714 INFO L175 Difference]: Start difference. First operand has 259 places, 339 transitions, 4376 flow. Second operand 9 states and 145 transitions. [2024-06-03 22:41:04,714 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 372 transitions, 5120 flow [2024-06-03 22:41:05,340 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 372 transitions, 5018 flow, removed 22 selfloop flow, removed 7 redundant places. [2024-06-03 22:41:05,344 INFO L231 Difference]: Finished difference. Result has 260 places, 338 transitions, 4242 flow [2024-06-03 22:41:05,344 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4168, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=305, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4242, PETRI_PLACES=260, PETRI_TRANSITIONS=338} [2024-06-03 22:41:05,345 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 218 predicate places. [2024-06-03 22:41:05,345 INFO L495 AbstractCegarLoop]: Abstraction has has 260 places, 338 transitions, 4242 flow [2024-06-03 22:41:05,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:05,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:05,345 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 22:41:05,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-06-03 22:41:05,345 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:05,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:05,345 INFO L85 PathProgramCache]: Analyzing trace with hash -192199914, now seen corresponding path program 4 times [2024-06-03 22:41:05,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:05,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645530183] [2024-06-03 22:41:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:12,610 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 22:41:12,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:12,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645530183] [2024-06-03 22:41:12,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645530183] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:12,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:12,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:41:12,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102515582] [2024-06-03 22:41:12,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:12,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:41:12,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:12,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:41:12,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:41:12,750 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:12,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 260 places, 338 transitions, 4242 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:12,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:12,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:12,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:14,324 INFO L124 PetriNetUnfolderBase]: 3599/5564 cut-off events. [2024-06-03 22:41:14,324 INFO L125 PetriNetUnfolderBase]: For 396295/396297 co-relation queries the response was YES. [2024-06-03 22:41:14,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39765 conditions, 5564 events. 3599/5564 cut-off events. For 396295/396297 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 31535 event pairs, 862 based on Foata normal form. 6/5568 useless extension candidates. Maximal degree in co-relation 39640. Up to 5453 conditions per place. [2024-06-03 22:41:14,377 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 318 selfloop transitions, 44 changer transitions 0/365 dead transitions. [2024-06-03 22:41:14,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 266 places, 365 transitions, 5277 flow [2024-06-03 22:41:14,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:41:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:41:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 109 transitions. [2024-06-03 22:41:14,386 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3797909407665505 [2024-06-03 22:41:14,386 INFO L175 Difference]: Start difference. First operand has 260 places, 338 transitions, 4242 flow. Second operand 7 states and 109 transitions. [2024-06-03 22:41:14,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 266 places, 365 transitions, 5277 flow [2024-06-03 22:41:14,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 365 transitions, 5189 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-06-03 22:41:14,997 INFO L231 Difference]: Finished difference. Result has 262 places, 353 transitions, 4442 flow [2024-06-03 22:41:14,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4154, PETRI_DIFFERENCE_MINUEND_PLACES=253, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=300, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4442, PETRI_PLACES=262, PETRI_TRANSITIONS=353} [2024-06-03 22:41:14,998 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 220 predicate places. [2024-06-03 22:41:14,998 INFO L495 AbstractCegarLoop]: Abstraction has has 262 places, 353 transitions, 4442 flow [2024-06-03 22:41:14,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:14,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:14,998 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 22:41:14,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-06-03 22:41:14,998 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:14,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1055980385, now seen corresponding path program 1 times [2024-06-03 22:41:14,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:14,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049008116] [2024-06-03 22:41:14,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:22,770 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 22:41:22,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:22,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049008116] [2024-06-03 22:41:22,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049008116] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:22,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:22,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:41:22,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172154146] [2024-06-03 22:41:22,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:22,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:41:22,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:22,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:41:22,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:41:22,925 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:22,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 262 places, 353 transitions, 4442 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:22,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:22,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:22,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:24,529 INFO L124 PetriNetUnfolderBase]: 3596/5559 cut-off events. [2024-06-03 22:41:24,529 INFO L125 PetriNetUnfolderBase]: For 396529/396529 co-relation queries the response was YES. [2024-06-03 22:41:24,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39944 conditions, 5559 events. 3596/5559 cut-off events. For 396529/396529 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 31491 event pairs, 861 based on Foata normal form. 1/5558 useless extension candidates. Maximal degree in co-relation 39816. Up to 5528 conditions per place. [2024-06-03 22:41:24,578 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 340 selfloop transitions, 19 changer transitions 0/362 dead transitions. [2024-06-03 22:41:24,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 362 transitions, 5186 flow [2024-06-03 22:41:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-03 22:41:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-03 22:41:24,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 91 transitions. [2024-06-03 22:41:24,579 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3699186991869919 [2024-06-03 22:41:24,579 INFO L175 Difference]: Start difference. First operand has 262 places, 353 transitions, 4442 flow. Second operand 6 states and 91 transitions. [2024-06-03 22:41:24,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 362 transitions, 5186 flow [2024-06-03 22:41:25,213 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 265 places, 362 transitions, 5109 flow, removed 22 selfloop flow, removed 2 redundant places. [2024-06-03 22:41:25,217 INFO L231 Difference]: Finished difference. Result has 266 places, 353 transitions, 4415 flow [2024-06-03 22:41:25,217 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4367, PETRI_DIFFERENCE_MINUEND_PLACES=260, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4415, PETRI_PLACES=266, PETRI_TRANSITIONS=353} [2024-06-03 22:41:25,217 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 224 predicate places. [2024-06-03 22:41:25,217 INFO L495 AbstractCegarLoop]: Abstraction has has 266 places, 353 transitions, 4415 flow [2024-06-03 22:41:25,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:25,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:25,218 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 22:41:25,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-06-03 22:41:25,218 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:25,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1069324428, now seen corresponding path program 5 times [2024-06-03 22:41:25,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:25,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403006842] [2024-06-03 22:41:25,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:25,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:33,057 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 22:41:33,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:33,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403006842] [2024-06-03 22:41:33,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403006842] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:33,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:33,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:41:33,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514404831] [2024-06-03 22:41:33,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:33,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:41:33,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:33,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:41:33,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:41:33,168 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:33,168 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 266 places, 353 transitions, 4415 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:33,168 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:33,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:33,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:34,903 INFO L124 PetriNetUnfolderBase]: 3604/5572 cut-off events. [2024-06-03 22:41:34,903 INFO L125 PetriNetUnfolderBase]: For 414588/414590 co-relation queries the response was YES. [2024-06-03 22:41:34,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39619 conditions, 5572 events. 3604/5572 cut-off events. For 414588/414590 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 31555 event pairs, 831 based on Foata normal form. 10/5580 useless extension candidates. Maximal degree in co-relation 39489. Up to 4888 conditions per place. [2024-06-03 22:41:34,950 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 227 selfloop transitions, 153 changer transitions 0/383 dead transitions. [2024-06-03 22:41:34,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 383 transitions, 5569 flow [2024-06-03 22:41:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:41:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:41:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 131 transitions. [2024-06-03 22:41:34,951 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4564459930313589 [2024-06-03 22:41:34,951 INFO L175 Difference]: Start difference. First operand has 266 places, 353 transitions, 4415 flow. Second operand 7 states and 131 transitions. [2024-06-03 22:41:34,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 383 transitions, 5569 flow [2024-06-03 22:41:35,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 267 places, 383 transitions, 5508 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-06-03 22:41:35,621 INFO L231 Difference]: Finished difference. Result has 268 places, 357 transitions, 4754 flow [2024-06-03 22:41:35,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4358, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=149, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=203, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=4754, PETRI_PLACES=268, PETRI_TRANSITIONS=357} [2024-06-03 22:41:35,622 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 226 predicate places. [2024-06-03 22:41:35,622 INFO L495 AbstractCegarLoop]: Abstraction has has 268 places, 357 transitions, 4754 flow [2024-06-03 22:41:35,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:35,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:35,622 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 22:41:35,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-06-03 22:41:35,623 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:35,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:35,623 INFO L85 PathProgramCache]: Analyzing trace with hash -210438738, now seen corresponding path program 6 times [2024-06-03 22:41:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:35,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182744620] [2024-06-03 22:41:35,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:35,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:43,115 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 22:41:43,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:43,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182744620] [2024-06-03 22:41:43,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182744620] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:43,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:43,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:41:43,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157316121] [2024-06-03 22:41:43,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:43,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:41:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:41:43,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:41:43,215 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:43,219 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 357 transitions, 4754 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:43,219 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:43,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:43,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:44,882 INFO L124 PetriNetUnfolderBase]: 3639/5620 cut-off events. [2024-06-03 22:41:44,882 INFO L125 PetriNetUnfolderBase]: For 411046/411048 co-relation queries the response was YES. [2024-06-03 22:41:44,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40808 conditions, 5620 events. 3639/5620 cut-off events. For 411046/411048 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 31886 event pairs, 844 based on Foata normal form. 6/5624 useless extension candidates. Maximal degree in co-relation 40677. Up to 4917 conditions per place. [2024-06-03 22:41:44,938 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 241 selfloop transitions, 144 changer transitions 0/388 dead transitions. [2024-06-03 22:41:44,938 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 274 places, 388 transitions, 6006 flow [2024-06-03 22:41:44,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:41:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:41:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 123 transitions. [2024-06-03 22:41:44,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42857142857142855 [2024-06-03 22:41:44,940 INFO L175 Difference]: Start difference. First operand has 268 places, 357 transitions, 4754 flow. Second operand 7 states and 123 transitions. [2024-06-03 22:41:44,941 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 274 places, 388 transitions, 6006 flow [2024-06-03 22:41:45,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 270 places, 388 transitions, 5722 flow, removed 30 selfloop flow, removed 4 redundant places. [2024-06-03 22:41:45,594 INFO L231 Difference]: Finished difference. Result has 272 places, 368 transitions, 5000 flow [2024-06-03 22:41:45,595 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4490, PETRI_DIFFERENCE_MINUEND_PLACES=264, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=133, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=220, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5000, PETRI_PLACES=272, PETRI_TRANSITIONS=368} [2024-06-03 22:41:45,595 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 230 predicate places. [2024-06-03 22:41:45,595 INFO L495 AbstractCegarLoop]: Abstraction has has 272 places, 368 transitions, 5000 flow [2024-06-03 22:41:45,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:45,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:41:45,596 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 22:41:45,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-06-03 22:41:45,596 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:41:45,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:41:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash 365752762, now seen corresponding path program 1 times [2024-06-03 22:41:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:41:45,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776100370] [2024-06-03 22:41:45,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:41:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:41:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:41:57,191 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 22:41:57,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:41:57,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776100370] [2024-06-03 22:41:57,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776100370] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:41:57,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:41:57,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:41:57,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291999068] [2024-06-03 22:41:57,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:41:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:41:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:41:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:41:57,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:41:57,300 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:41:57,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 272 places, 368 transitions, 5000 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:41:57,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:41:57,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:41:57,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:41:59,196 INFO L124 PetriNetUnfolderBase]: 3659/5647 cut-off events. [2024-06-03 22:41:59,196 INFO L125 PetriNetUnfolderBase]: For 412838/412838 co-relation queries the response was YES. [2024-06-03 22:41:59,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41134 conditions, 5647 events. 3659/5647 cut-off events. For 412838/412838 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 32016 event pairs, 865 based on Foata normal form. 4/5649 useless extension candidates. Maximal degree in co-relation 41001. Up to 5496 conditions per place. [2024-06-03 22:41:59,255 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 341 selfloop transitions, 52 changer transitions 0/396 dead transitions. [2024-06-03 22:41:59,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 396 transitions, 6048 flow [2024-06-03 22:41:59,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:41:59,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:41:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 138 transitions. [2024-06-03 22:41:59,257 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.37398373983739835 [2024-06-03 22:41:59,257 INFO L175 Difference]: Start difference. First operand has 272 places, 368 transitions, 5000 flow. Second operand 9 states and 138 transitions. [2024-06-03 22:41:59,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 396 transitions, 6048 flow [2024-06-03 22:42:00,054 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 276 places, 396 transitions, 5854 flow, removed 27 selfloop flow, removed 4 redundant places. [2024-06-03 22:42:00,059 INFO L231 Difference]: Finished difference. Result has 277 places, 374 transitions, 4992 flow [2024-06-03 22:42:00,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4808, PETRI_DIFFERENCE_MINUEND_PLACES=268, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=368, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=319, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=4992, PETRI_PLACES=277, PETRI_TRANSITIONS=374} [2024-06-03 22:42:00,060 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 235 predicate places. [2024-06-03 22:42:00,060 INFO L495 AbstractCegarLoop]: Abstraction has has 277 places, 374 transitions, 4992 flow [2024-06-03 22:42:00,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:00,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:00,060 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 22:42:00,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-06-03 22:42:00,060 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:00,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:00,061 INFO L85 PathProgramCache]: Analyzing trace with hash 481042852, now seen corresponding path program 2 times [2024-06-03 22:42:00,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:00,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150114030] [2024-06-03 22:42:00,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:00,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:10,255 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 22:42:10,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:10,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150114030] [2024-06-03 22:42:10,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150114030] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:10,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:10,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:10,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673301841] [2024-06-03 22:42:10,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:10,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:10,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:10,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:10,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:10,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:42:10,381 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 277 places, 374 transitions, 4992 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:10,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:10,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:42:10,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:12,255 INFO L124 PetriNetUnfolderBase]: 3711/5719 cut-off events. [2024-06-03 22:42:12,255 INFO L125 PetriNetUnfolderBase]: For 423786/423786 co-relation queries the response was YES. [2024-06-03 22:42:12,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41661 conditions, 5719 events. 3711/5719 cut-off events. For 423786/423786 co-relation queries the response was YES. Maximal size of possible extension queue 328. Compared 32408 event pairs, 871 based on Foata normal form. 4/5721 useless extension candidates. Maximal degree in co-relation 41528. Up to 5616 conditions per place. [2024-06-03 22:42:12,306 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 355 selfloop transitions, 44 changer transitions 0/402 dead transitions. [2024-06-03 22:42:12,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 286 places, 402 transitions, 6067 flow [2024-06-03 22:42:12,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-06-03 22:42:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-06-03 22:42:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 148 transitions. [2024-06-03 22:42:12,307 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36097560975609755 [2024-06-03 22:42:12,307 INFO L175 Difference]: Start difference. First operand has 277 places, 374 transitions, 4992 flow. Second operand 10 states and 148 transitions. [2024-06-03 22:42:12,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 286 places, 402 transitions, 6067 flow [2024-06-03 22:42:12,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 402 transitions, 5946 flow, removed 24 selfloop flow, removed 6 redundant places. [2024-06-03 22:42:12,885 INFO L231 Difference]: Finished difference. Result has 281 places, 380 transitions, 5052 flow [2024-06-03 22:42:12,885 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4883, PETRI_DIFFERENCE_MINUEND_PLACES=271, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=5052, PETRI_PLACES=281, PETRI_TRANSITIONS=380} [2024-06-03 22:42:12,885 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 239 predicate places. [2024-06-03 22:42:12,885 INFO L495 AbstractCegarLoop]: Abstraction has has 281 places, 380 transitions, 5052 flow [2024-06-03 22:42:12,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:12,885 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:12,885 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 22:42:12,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-06-03 22:42:12,885 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:12,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:12,886 INFO L85 PathProgramCache]: Analyzing trace with hash 481037272, now seen corresponding path program 3 times [2024-06-03 22:42:12,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:12,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449611928] [2024-06-03 22:42:12,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:23,081 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 22:42:23,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:23,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449611928] [2024-06-03 22:42:23,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449611928] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:23,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:23,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:23,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215831490] [2024-06-03 22:42:23,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:23,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:23,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:23,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:23,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:23,224 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:42:23,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 281 places, 380 transitions, 5052 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:23,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:23,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:42:23,225 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:25,040 INFO L124 PetriNetUnfolderBase]: 3699/5703 cut-off events. [2024-06-03 22:42:25,040 INFO L125 PetriNetUnfolderBase]: For 426185/426185 co-relation queries the response was YES. [2024-06-03 22:42:25,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41383 conditions, 5703 events. 3699/5703 cut-off events. For 426185/426185 co-relation queries the response was YES. Maximal size of possible extension queue 327. Compared 32323 event pairs, 875 based on Foata normal form. 4/5705 useless extension candidates. Maximal degree in co-relation 41249. Up to 5608 conditions per place. [2024-06-03 22:42:25,106 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 352 selfloop transitions, 43 changer transitions 0/398 dead transitions. [2024-06-03 22:42:25,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 398 transitions, 5897 flow [2024-06-03 22:42:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:42:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:42:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2024-06-03 22:42:25,107 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38414634146341464 [2024-06-03 22:42:25,107 INFO L175 Difference]: Start difference. First operand has 281 places, 380 transitions, 5052 flow. Second operand 8 states and 126 transitions. [2024-06-03 22:42:25,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 398 transitions, 5897 flow [2024-06-03 22:42:25,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 398 transitions, 5807 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-06-03 22:42:25,823 INFO L231 Difference]: Finished difference. Result has 283 places, 380 transitions, 5054 flow [2024-06-03 22:42:25,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4962, PETRI_DIFFERENCE_MINUEND_PLACES=275, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5054, PETRI_PLACES=283, PETRI_TRANSITIONS=380} [2024-06-03 22:42:25,824 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 241 predicate places. [2024-06-03 22:42:25,824 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 380 transitions, 5054 flow [2024-06-03 22:42:25,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:25,824 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:25,824 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 22:42:25,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-06-03 22:42:25,824 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:25,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:25,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1063598790, now seen corresponding path program 4 times [2024-06-03 22:42:25,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:25,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475223826] [2024-06-03 22:42:25,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:25,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:36,048 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 22:42:36,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:36,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475223826] [2024-06-03 22:42:36,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475223826] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:36,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:36,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:36,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4126208] [2024-06-03 22:42:36,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:36,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:36,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:36,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:36,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:36,199 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:42:36,199 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 380 transitions, 5054 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:36,199 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:36,199 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:42:36,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:37,995 INFO L124 PetriNetUnfolderBase]: 3719/5731 cut-off events. [2024-06-03 22:42:37,995 INFO L125 PetriNetUnfolderBase]: For 437725/437725 co-relation queries the response was YES. [2024-06-03 22:42:38,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41707 conditions, 5731 events. 3719/5731 cut-off events. For 437725/437725 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 32486 event pairs, 871 based on Foata normal form. 4/5733 useless extension candidates. Maximal degree in co-relation 41571. Up to 5568 conditions per place. [2024-06-03 22:42:38,163 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 344 selfloop transitions, 56 changer transitions 0/403 dead transitions. [2024-06-03 22:42:38,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 289 places, 403 transitions, 6086 flow [2024-06-03 22:42:38,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-03 22:42:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-03 22:42:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 118 transitions. [2024-06-03 22:42:38,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41114982578397213 [2024-06-03 22:42:38,164 INFO L175 Difference]: Start difference. First operand has 283 places, 380 transitions, 5054 flow. Second operand 7 states and 118 transitions. [2024-06-03 22:42:38,164 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 289 places, 403 transitions, 6086 flow [2024-06-03 22:42:38,709 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 282 places, 403 transitions, 6000 flow, removed 0 selfloop flow, removed 7 redundant places. [2024-06-03 22:42:38,714 INFO L231 Difference]: Finished difference. Result has 283 places, 383 transitions, 5130 flow [2024-06-03 22:42:38,714 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4968, PETRI_DIFFERENCE_MINUEND_PLACES=276, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=5130, PETRI_PLACES=283, PETRI_TRANSITIONS=383} [2024-06-03 22:42:38,715 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 241 predicate places. [2024-06-03 22:42:38,715 INFO L495 AbstractCegarLoop]: Abstraction has has 283 places, 383 transitions, 5130 flow [2024-06-03 22:42:38,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:38,715 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:38,715 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 22:42:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-06-03 22:42:38,715 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:38,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:38,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1056241560, now seen corresponding path program 5 times [2024-06-03 22:42:38,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:38,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582726318] [2024-06-03 22:42:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:38,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:42:47,739 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 22:42:47,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:42:47,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582726318] [2024-06-03 22:42:47,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582726318] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:42:47,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:42:47,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:42:47,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717370324] [2024-06-03 22:42:47,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:42:47,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:42:47,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:42:47,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:42:47,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:42:47,834 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:42:47,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 283 places, 383 transitions, 5130 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:47,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:42:47,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:42:47,834 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:42:49,736 INFO L124 PetriNetUnfolderBase]: 3739/5760 cut-off events. [2024-06-03 22:42:49,736 INFO L125 PetriNetUnfolderBase]: For 450838/450840 co-relation queries the response was YES. [2024-06-03 22:42:49,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42156 conditions, 5760 events. 3739/5760 cut-off events. For 450838/450840 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 32656 event pairs, 869 based on Foata normal form. 6/5764 useless extension candidates. Maximal degree in co-relation 42019. Up to 5584 conditions per place. [2024-06-03 22:42:49,786 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 344 selfloop transitions, 60 changer transitions 0/407 dead transitions. [2024-06-03 22:42:49,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 407 transitions, 6185 flow [2024-06-03 22:42:49,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:42:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:42:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 136 transitions. [2024-06-03 22:42:49,788 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3685636856368564 [2024-06-03 22:42:49,788 INFO L175 Difference]: Start difference. First operand has 283 places, 383 transitions, 5130 flow. Second operand 9 states and 136 transitions. [2024-06-03 22:42:49,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 407 transitions, 6185 flow [2024-06-03 22:42:50,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 407 transitions, 6041 flow, removed 13 selfloop flow, removed 6 redundant places. [2024-06-03 22:42:50,461 INFO L231 Difference]: Finished difference. Result has 286 places, 386 transitions, 5161 flow [2024-06-03 22:42:50,461 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4994, PETRI_DIFFERENCE_MINUEND_PLACES=277, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5161, PETRI_PLACES=286, PETRI_TRANSITIONS=386} [2024-06-03 22:42:50,461 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 244 predicate places. [2024-06-03 22:42:50,461 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 386 transitions, 5161 flow [2024-06-03 22:42:50,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:42:50,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:42:50,462 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 22:42:50,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-06-03 22:42:50,462 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:42:50,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:42:50,462 INFO L85 PathProgramCache]: Analyzing trace with hash -842833668, now seen corresponding path program 6 times [2024-06-03 22:42:50,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:42:50,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061187953] [2024-06-03 22:42:50,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:42:50,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:42:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:00,751 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 22:43:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:00,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061187953] [2024-06-03 22:43:00,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061187953] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:00,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:00,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:00,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031426861] [2024-06-03 22:43:00,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:00,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:00,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:00,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:00,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:00,901 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:00,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 386 transitions, 5161 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:00,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:00,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:00,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:02,851 INFO L124 PetriNetUnfolderBase]: 3727/5743 cut-off events. [2024-06-03 22:43:02,852 INFO L125 PetriNetUnfolderBase]: For 440358/440358 co-relation queries the response was YES. [2024-06-03 22:43:02,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41730 conditions, 5743 events. 3727/5743 cut-off events. For 440358/440358 co-relation queries the response was YES. Maximal size of possible extension queue 332. Compared 32545 event pairs, 869 based on Foata normal form. 4/5745 useless extension candidates. Maximal degree in co-relation 41593. Up to 5576 conditions per place. [2024-06-03 22:43:02,899 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 346 selfloop transitions, 61 changer transitions 0/410 dead transitions. [2024-06-03 22:43:02,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 410 transitions, 6048 flow [2024-06-03 22:43:02,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:43:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:43:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 142 transitions. [2024-06-03 22:43:02,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38482384823848237 [2024-06-03 22:43:02,900 INFO L175 Difference]: Start difference. First operand has 286 places, 386 transitions, 5161 flow. Second operand 9 states and 142 transitions. [2024-06-03 22:43:02,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 410 transitions, 6048 flow [2024-06-03 22:43:03,439 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 410 transitions, 5901 flow, removed 25 selfloop flow, removed 6 redundant places. [2024-06-03 22:43:03,444 INFO L231 Difference]: Finished difference. Result has 289 places, 386 transitions, 5148 flow [2024-06-03 22:43:03,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=5014, PETRI_DIFFERENCE_MINUEND_PLACES=280, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=61, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=5148, PETRI_PLACES=289, PETRI_TRANSITIONS=386} [2024-06-03 22:43:03,444 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 247 predicate places. [2024-06-03 22:43:03,445 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 386 transitions, 5148 flow [2024-06-03 22:43:03,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:03,445 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:03,445 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 22:43:03,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-06-03 22:43:03,445 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:03,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:03,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1047045795, now seen corresponding path program 1 times [2024-06-03 22:43:03,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:03,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830527760] [2024-06-03 22:43:03,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:11,077 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 22:43:11,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:11,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830527760] [2024-06-03 22:43:11,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830527760] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:11,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:11,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:11,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625374620] [2024-06-03 22:43:11,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:11,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:11,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:11,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:11,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:11,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:11,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 386 transitions, 5148 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:11,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:11,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:11,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:12,905 INFO L124 PetriNetUnfolderBase]: 3795/5838 cut-off events. [2024-06-03 22:43:12,906 INFO L125 PetriNetUnfolderBase]: For 468534/468536 co-relation queries the response was YES. [2024-06-03 22:43:12,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43037 conditions, 5838 events. 3795/5838 cut-off events. For 468534/468536 co-relation queries the response was YES. Maximal size of possible extension queue 344. Compared 33167 event pairs, 794 based on Foata normal form. 4/5840 useless extension candidates. Maximal degree in co-relation 42899. Up to 5413 conditions per place. [2024-06-03 22:43:12,961 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 360 selfloop transitions, 69 changer transitions 0/432 dead transitions. [2024-06-03 22:43:12,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 432 transitions, 6675 flow [2024-06-03 22:43:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:12,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 139 transitions. [2024-06-03 22:43:12,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42378048780487804 [2024-06-03 22:43:12,962 INFO L175 Difference]: Start difference. First operand has 289 places, 386 transitions, 5148 flow. Second operand 8 states and 139 transitions. [2024-06-03 22:43:12,962 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 432 transitions, 6675 flow [2024-06-03 22:43:13,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 286 places, 432 transitions, 6491 flow, removed 3 selfloop flow, removed 10 redundant places. [2024-06-03 22:43:13,710 INFO L231 Difference]: Finished difference. Result has 289 places, 404 transitions, 5460 flow [2024-06-03 22:43:13,710 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=4982, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=54, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=324, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=5460, PETRI_PLACES=289, PETRI_TRANSITIONS=404} [2024-06-03 22:43:13,710 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 247 predicate places. [2024-06-03 22:43:13,710 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 404 transitions, 5460 flow [2024-06-03 22:43:13,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:13,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:13,711 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 22:43:13,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-06-03 22:43:13,711 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:13,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:13,711 INFO L85 PathProgramCache]: Analyzing trace with hash 983020985, now seen corresponding path program 1 times [2024-06-03 22:43:13,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:13,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002518400] [2024-06-03 22:43:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:21,698 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 22:43:21,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:21,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002518400] [2024-06-03 22:43:21,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002518400] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:21,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:21,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:21,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484324969] [2024-06-03 22:43:21,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:21,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:21,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:21,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:21,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:21,848 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:21,848 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 404 transitions, 5460 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:21,848 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:21,849 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:21,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:23,791 INFO L124 PetriNetUnfolderBase]: 3917/6007 cut-off events. [2024-06-03 22:43:23,791 INFO L125 PetriNetUnfolderBase]: For 501363/501365 co-relation queries the response was YES. [2024-06-03 22:43:23,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45858 conditions, 6007 events. 3917/6007 cut-off events. For 501363/501365 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 34112 event pairs, 859 based on Foata normal form. 8/6013 useless extension candidates. Maximal degree in co-relation 45718. Up to 5217 conditions per place. [2024-06-03 22:43:23,849 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 279 selfloop transitions, 180 changer transitions 0/462 dead transitions. [2024-06-03 22:43:23,850 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 462 transitions, 7353 flow [2024-06-03 22:43:23,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:23,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 144 transitions. [2024-06-03 22:43:23,851 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43902439024390244 [2024-06-03 22:43:23,851 INFO L175 Difference]: Start difference. First operand has 289 places, 404 transitions, 5460 flow. Second operand 8 states and 144 transitions. [2024-06-03 22:43:23,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 462 transitions, 7353 flow [2024-06-03 22:43:24,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 462 transitions, 7230 flow, removed 50 selfloop flow, removed 2 redundant places. [2024-06-03 22:43:24,632 INFO L231 Difference]: Finished difference. Result has 297 places, 435 transitions, 6283 flow [2024-06-03 22:43:24,632 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=5341, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=404, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=150, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=247, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6283, PETRI_PLACES=297, PETRI_TRANSITIONS=435} [2024-06-03 22:43:24,632 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 255 predicate places. [2024-06-03 22:43:24,632 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 435 transitions, 6283 flow [2024-06-03 22:43:24,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:24,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:24,632 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 22:43:24,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-06-03 22:43:24,632 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:24,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:24,633 INFO L85 PathProgramCache]: Analyzing trace with hash 983020799, now seen corresponding path program 2 times [2024-06-03 22:43:24,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:24,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798282045] [2024-06-03 22:43:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:32,221 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 22:43:32,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:32,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798282045] [2024-06-03 22:43:32,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798282045] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:32,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:32,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:32,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381470875] [2024-06-03 22:43:32,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:32,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:32,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:32,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:32,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:32,372 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:32,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 435 transitions, 6283 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:32,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:32,373 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:32,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:34,294 INFO L124 PetriNetUnfolderBase]: 3937/6035 cut-off events. [2024-06-03 22:43:34,294 INFO L125 PetriNetUnfolderBase]: For 513830/513832 co-relation queries the response was YES. [2024-06-03 22:43:34,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47013 conditions, 6035 events. 3937/6035 cut-off events. For 513830/513832 co-relation queries the response was YES. Maximal size of possible extension queue 364. Compared 34287 event pairs, 894 based on Foata normal form. 6/6039 useless extension candidates. Maximal degree in co-relation 46868. Up to 5862 conditions per place. [2024-06-03 22:43:34,356 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 401 selfloop transitions, 56 changer transitions 0/460 dead transitions. [2024-06-03 22:43:34,356 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 304 places, 460 transitions, 7341 flow [2024-06-03 22:43:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:34,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:34,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 129 transitions. [2024-06-03 22:43:34,357 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3932926829268293 [2024-06-03 22:43:34,357 INFO L175 Difference]: Start difference. First operand has 297 places, 435 transitions, 6283 flow. Second operand 8 states and 129 transitions. [2024-06-03 22:43:34,357 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 304 places, 460 transitions, 7341 flow [2024-06-03 22:43:35,120 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 300 places, 460 transitions, 7039 flow, removed 15 selfloop flow, removed 4 redundant places. [2024-06-03 22:43:35,126 INFO L231 Difference]: Finished difference. Result has 301 places, 440 transitions, 6196 flow [2024-06-03 22:43:35,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=5981, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=435, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=380, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6196, PETRI_PLACES=301, PETRI_TRANSITIONS=440} [2024-06-03 22:43:35,126 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 259 predicate places. [2024-06-03 22:43:35,127 INFO L495 AbstractCegarLoop]: Abstraction has has 301 places, 440 transitions, 6196 flow [2024-06-03 22:43:35,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:35,127 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:35,127 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 22:43:35,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-06-03 22:43:35,127 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:35,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:35,127 INFO L85 PathProgramCache]: Analyzing trace with hash -869556969, now seen corresponding path program 2 times [2024-06-03 22:43:35,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:35,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775496851] [2024-06-03 22:43:35,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:35,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:43,232 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 22:43:43,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:43,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775496851] [2024-06-03 22:43:43,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775496851] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:43,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:43,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:43,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161385789] [2024-06-03 22:43:43,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:43,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:43,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:43,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:43,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:43,325 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:43,325 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 301 places, 440 transitions, 6196 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:43,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:43,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:43,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:45,208 INFO L124 PetriNetUnfolderBase]: 3967/6077 cut-off events. [2024-06-03 22:43:45,208 INFO L125 PetriNetUnfolderBase]: For 531434/531436 co-relation queries the response was YES. [2024-06-03 22:43:45,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47061 conditions, 6077 events. 3967/6077 cut-off events. For 531434/531436 co-relation queries the response was YES. Maximal size of possible extension queue 370. Compared 34533 event pairs, 863 based on Foata normal form. 8/6083 useless extension candidates. Maximal degree in co-relation 46915. Up to 5267 conditions per place. [2024-06-03 22:43:45,266 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 296 selfloop transitions, 173 changer transitions 0/472 dead transitions. [2024-06-03 22:43:45,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 308 places, 472 transitions, 7775 flow [2024-06-03 22:43:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:45,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:45,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-03 22:43:45,268 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4298780487804878 [2024-06-03 22:43:45,268 INFO L175 Difference]: Start difference. First operand has 301 places, 440 transitions, 6196 flow. Second operand 8 states and 141 transitions. [2024-06-03 22:43:45,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 308 places, 472 transitions, 7775 flow [2024-06-03 22:43:46,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 303 places, 472 transitions, 7604 flow, removed 31 selfloop flow, removed 5 redundant places. [2024-06-03 22:43:46,049 INFO L231 Difference]: Finished difference. Result has 304 places, 447 transitions, 6504 flow [2024-06-03 22:43:46,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6029, PETRI_DIFFERENCE_MINUEND_PLACES=296, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=440, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=166, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=273, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6504, PETRI_PLACES=304, PETRI_TRANSITIONS=447} [2024-06-03 22:43:46,049 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 262 predicate places. [2024-06-03 22:43:46,050 INFO L495 AbstractCegarLoop]: Abstraction has has 304 places, 447 transitions, 6504 flow [2024-06-03 22:43:46,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:46,050 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:46,050 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 22:43:46,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-06-03 22:43:46,050 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:46,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:46,050 INFO L85 PathProgramCache]: Analyzing trace with hash -869794119, now seen corresponding path program 3 times [2024-06-03 22:43:46,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:46,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209486950] [2024-06-03 22:43:46,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:46,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:43:54,030 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 22:43:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:43:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209486950] [2024-06-03 22:43:54,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209486950] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:43:54,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:43:54,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:43:54,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859678661] [2024-06-03 22:43:54,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:43:54,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:43:54,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:43:54,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:43:54,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:43:54,129 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:43:54,129 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 447 transitions, 6504 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:54,129 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:43:54,129 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:43:54,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:43:56,046 INFO L124 PetriNetUnfolderBase]: 3949/6053 cut-off events. [2024-06-03 22:43:56,046 INFO L125 PetriNetUnfolderBase]: For 530401/530403 co-relation queries the response was YES. [2024-06-03 22:43:56,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47038 conditions, 6053 events. 3949/6053 cut-off events. For 530401/530403 co-relation queries the response was YES. Maximal size of possible extension queue 368. Compared 34386 event pairs, 876 based on Foata normal form. 8/6059 useless extension candidates. Maximal degree in co-relation 46891. Up to 5256 conditions per place. [2024-06-03 22:43:56,117 INFO L140 encePairwiseOnDemand]: 29/41 looper letters, 301 selfloop transitions, 168 changer transitions 0/472 dead transitions. [2024-06-03 22:43:56,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 311 places, 472 transitions, 7973 flow [2024-06-03 22:43:56,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:43:56,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:43:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 141 transitions. [2024-06-03 22:43:56,119 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4298780487804878 [2024-06-03 22:43:56,119 INFO L175 Difference]: Start difference. First operand has 304 places, 447 transitions, 6504 flow. Second operand 8 states and 141 transitions. [2024-06-03 22:43:56,119 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 311 places, 472 transitions, 7973 flow [2024-06-03 22:43:57,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 472 transitions, 7677 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-06-03 22:43:57,068 INFO L231 Difference]: Finished difference. Result has 307 places, 447 transitions, 6556 flow [2024-06-03 22:43:57,068 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6208, PETRI_DIFFERENCE_MINUEND_PLACES=299, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=168, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=279, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6556, PETRI_PLACES=307, PETRI_TRANSITIONS=447} [2024-06-03 22:43:57,069 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 265 predicate places. [2024-06-03 22:43:57,069 INFO L495 AbstractCegarLoop]: Abstraction has has 307 places, 447 transitions, 6556 flow [2024-06-03 22:43:57,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:43:57,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:43:57,069 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 22:43:57,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-06-03 22:43:57,069 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:43:57,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:43:57,070 INFO L85 PathProgramCache]: Analyzing trace with hash -869794305, now seen corresponding path program 3 times [2024-06-03 22:43:57,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:43:57,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14170511] [2024-06-03 22:43:57,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:43:57,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:43:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:03,786 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 22:44:03,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:03,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14170511] [2024-06-03 22:44:03,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14170511] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:03,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:03,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:44:03,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017251153] [2024-06-03 22:44:03,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:03,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:44:03,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:03,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:44:03,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:44:03,917 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:03,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 307 places, 447 transitions, 6556 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:03,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:03,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:03,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:05,853 INFO L124 PetriNetUnfolderBase]: 4001/6125 cut-off events. [2024-06-03 22:44:05,853 INFO L125 PetriNetUnfolderBase]: For 551830/551832 co-relation queries the response was YES. [2024-06-03 22:44:05,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48178 conditions, 6125 events. 4001/6125 cut-off events. For 551830/551832 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 34821 event pairs, 888 based on Foata normal form. 6/6129 useless extension candidates. Maximal degree in co-relation 48030. Up to 5906 conditions per place. [2024-06-03 22:44:05,924 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 414 selfloop transitions, 60 changer transitions 0/477 dead transitions. [2024-06-03 22:44:05,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 477 transitions, 7907 flow [2024-06-03 22:44:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:44:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:44:05,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 140 transitions. [2024-06-03 22:44:05,926 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3794037940379404 [2024-06-03 22:44:05,926 INFO L175 Difference]: Start difference. First operand has 307 places, 447 transitions, 6556 flow. Second operand 9 states and 140 transitions. [2024-06-03 22:44:05,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 477 transitions, 7907 flow [2024-06-03 22:44:06,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 310 places, 477 transitions, 7643 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-06-03 22:44:06,998 INFO L231 Difference]: Finished difference. Result has 312 places, 456 transitions, 6615 flow [2024-06-03 22:44:06,998 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6292, PETRI_DIFFERENCE_MINUEND_PLACES=302, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=447, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=389, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6615, PETRI_PLACES=312, PETRI_TRANSITIONS=456} [2024-06-03 22:44:06,998 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 270 predicate places. [2024-06-03 22:44:06,999 INFO L495 AbstractCegarLoop]: Abstraction has has 312 places, 456 transitions, 6615 flow [2024-06-03 22:44:06,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:06,999 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:06,999 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 22:44:06,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-06-03 22:44:06,999 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:06,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:07,000 INFO L85 PathProgramCache]: Analyzing trace with hash -869548041, now seen corresponding path program 1 times [2024-06-03 22:44:07,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:07,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129514896] [2024-06-03 22:44:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:07,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-03 22:44:15,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:15,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129514896] [2024-06-03 22:44:15,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129514896] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:15,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:15,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:44:15,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331185068] [2024-06-03 22:44:15,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:15,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:44:15,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:15,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:44:15,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:44:15,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:15,414 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 312 places, 456 transitions, 6615 flow. Second operand has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:15,414 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:15,414 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:15,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:17,261 INFO L124 PetriNetUnfolderBase]: 4009/6136 cut-off events. [2024-06-03 22:44:17,261 INFO L125 PetriNetUnfolderBase]: For 559380/559380 co-relation queries the response was YES. [2024-06-03 22:44:17,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48157 conditions, 6136 events. 4009/6136 cut-off events. For 559380/559380 co-relation queries the response was YES. Maximal size of possible extension queue 377. Compared 34910 event pairs, 867 based on Foata normal form. 2/6136 useless extension candidates. Maximal degree in co-relation 48008. Up to 6066 conditions per place. [2024-06-03 22:44:17,326 INFO L140 encePairwiseOnDemand]: 32/41 looper letters, 440 selfloop transitions, 34 changer transitions 0/477 dead transitions. [2024-06-03 22:44:17,327 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 319 places, 477 transitions, 7659 flow [2024-06-03 22:44:17,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:17,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 123 transitions. [2024-06-03 22:44:17,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.375 [2024-06-03 22:44:17,328 INFO L175 Difference]: Start difference. First operand has 312 places, 456 transitions, 6615 flow. Second operand 8 states and 123 transitions. [2024-06-03 22:44:17,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 319 places, 477 transitions, 7659 flow [2024-06-03 22:44:18,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 315 places, 477 transitions, 7495 flow, removed 53 selfloop flow, removed 4 redundant places. [2024-06-03 22:44:18,233 INFO L231 Difference]: Finished difference. Result has 316 places, 458 transitions, 6572 flow [2024-06-03 22:44:18,233 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6451, PETRI_DIFFERENCE_MINUEND_PLACES=308, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=456, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=422, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6572, PETRI_PLACES=316, PETRI_TRANSITIONS=458} [2024-06-03 22:44:18,234 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 274 predicate places. [2024-06-03 22:44:18,234 INFO L495 AbstractCegarLoop]: Abstraction has has 316 places, 458 transitions, 6572 flow [2024-06-03 22:44:18,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.7) internal successors, (87), 10 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:18,234 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:18,234 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 22:44:18,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-06-03 22:44:18,234 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:18,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:18,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1900521531, now seen corresponding path program 4 times [2024-06-03 22:44:18,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:18,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496616829] [2024-06-03 22:44:18,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:25,282 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 22:44:25,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:25,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496616829] [2024-06-03 22:44:25,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496616829] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:25,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:25,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-06-03 22:44:25,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761542533] [2024-06-03 22:44:25,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:25,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-06-03 22:44:25,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:25,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-06-03 22:44:25,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-06-03 22:44:25,454 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:25,455 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 316 places, 458 transitions, 6572 flow. Second operand has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:25,455 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:25,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:25,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:27,333 INFO L124 PetriNetUnfolderBase]: 4035/6172 cut-off events. [2024-06-03 22:44:27,333 INFO L125 PetriNetUnfolderBase]: For 579972/579972 co-relation queries the response was YES. [2024-06-03 22:44:27,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48623 conditions, 6172 events. 4035/6172 cut-off events. For 579972/579972 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 35124 event pairs, 885 based on Foata normal form. 2/6172 useless extension candidates. Maximal degree in co-relation 48474. Up to 6084 conditions per place. [2024-06-03 22:44:27,403 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 449 selfloop transitions, 34 changer transitions 0/486 dead transitions. [2024-06-03 22:44:27,403 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 323 places, 486 transitions, 7880 flow [2024-06-03 22:44:27,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 126 transitions. [2024-06-03 22:44:27,404 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38414634146341464 [2024-06-03 22:44:27,404 INFO L175 Difference]: Start difference. First operand has 316 places, 458 transitions, 6572 flow. Second operand 8 states and 126 transitions. [2024-06-03 22:44:27,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 323 places, 486 transitions, 7880 flow [2024-06-03 22:44:28,433 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 316 places, 486 transitions, 7755 flow, removed 28 selfloop flow, removed 7 redundant places. [2024-06-03 22:44:28,439 INFO L231 Difference]: Finished difference. Result has 317 places, 464 transitions, 6659 flow [2024-06-03 22:44:28,440 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6455, PETRI_DIFFERENCE_MINUEND_PLACES=309, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=458, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=427, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6659, PETRI_PLACES=317, PETRI_TRANSITIONS=464} [2024-06-03 22:44:28,440 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 275 predicate places. [2024-06-03 22:44:28,440 INFO L495 AbstractCegarLoop]: Abstraction has has 317 places, 464 transitions, 6659 flow [2024-06-03 22:44:28,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.6) internal successors, (86), 10 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:28,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:28,440 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 22:44:28,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-06-03 22:44:28,440 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:28,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:28,440 INFO L85 PathProgramCache]: Analyzing trace with hash 2101589667, now seen corresponding path program 5 times [2024-06-03 22:44:28,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:28,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354090470] [2024-06-03 22:44:28,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:28,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:35,488 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 22:44:35,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:35,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354090470] [2024-06-03 22:44:35,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354090470] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:35,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:35,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:44:35,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703088217] [2024-06-03 22:44:35,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:35,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:44:35,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:35,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:44:35,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:44:35,590 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:35,590 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 317 places, 464 transitions, 6659 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:35,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:35,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:35,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:37,725 INFO L124 PetriNetUnfolderBase]: 4045/6186 cut-off events. [2024-06-03 22:44:37,726 INFO L125 PetriNetUnfolderBase]: For 566329/566329 co-relation queries the response was YES. [2024-06-03 22:44:37,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48512 conditions, 6186 events. 4045/6186 cut-off events. For 566329/566329 co-relation queries the response was YES. Maximal size of possible extension queue 384. Compared 35192 event pairs, 892 based on Foata normal form. 2/6186 useless extension candidates. Maximal degree in co-relation 48363. Up to 6131 conditions per place. [2024-06-03 22:44:37,786 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 452 selfloop transitions, 30 changer transitions 0/485 dead transitions. [2024-06-03 22:44:37,786 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 324 places, 485 transitions, 7746 flow [2024-06-03 22:44:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions. [2024-06-03 22:44:37,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36585365853658536 [2024-06-03 22:44:37,787 INFO L175 Difference]: Start difference. First operand has 317 places, 464 transitions, 6659 flow. Second operand 8 states and 120 transitions. [2024-06-03 22:44:37,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 324 places, 485 transitions, 7746 flow [2024-06-03 22:44:38,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 485 transitions, 7631 flow, removed 38 selfloop flow, removed 4 redundant places. [2024-06-03 22:44:38,678 INFO L231 Difference]: Finished difference. Result has 321 places, 468 transitions, 6693 flow [2024-06-03 22:44:38,678 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6557, PETRI_DIFFERENCE_MINUEND_PLACES=313, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=464, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=435, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6693, PETRI_PLACES=321, PETRI_TRANSITIONS=468} [2024-06-03 22:44:38,678 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 279 predicate places. [2024-06-03 22:44:38,679 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 468 transitions, 6693 flow [2024-06-03 22:44:38,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:38,679 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:38,679 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 22:44:38,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-06-03 22:44:38,679 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:38,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:38,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1672620381, now seen corresponding path program 6 times [2024-06-03 22:44:38,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:38,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976665046] [2024-06-03 22:44:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:38,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:46,463 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 22:44:46,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:46,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976665046] [2024-06-03 22:44:46,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976665046] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:46,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:46,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:44:46,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879194647] [2024-06-03 22:44:46,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:46,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:44:46,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:46,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:44:46,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:44:46,606 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:46,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 321 places, 468 transitions, 6693 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:46,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:46,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:46,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:48,563 INFO L124 PetriNetUnfolderBase]: 4055/6200 cut-off events. [2024-06-03 22:44:48,563 INFO L125 PetriNetUnfolderBase]: For 579921/579921 co-relation queries the response was YES. [2024-06-03 22:44:48,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48788 conditions, 6200 events. 4055/6200 cut-off events. For 579921/579921 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 35283 event pairs, 885 based on Foata normal form. 2/6200 useless extension candidates. Maximal degree in co-relation 48638. Up to 6047 conditions per place. [2024-06-03 22:44:48,626 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 444 selfloop transitions, 53 changer transitions 0/500 dead transitions. [2024-06-03 22:44:48,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 328 places, 500 transitions, 8223 flow [2024-06-03 22:44:48,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:48,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 130 transitions. [2024-06-03 22:44:48,627 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39634146341463417 [2024-06-03 22:44:48,627 INFO L175 Difference]: Start difference. First operand has 321 places, 468 transitions, 6693 flow. Second operand 8 states and 130 transitions. [2024-06-03 22:44:48,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 328 places, 500 transitions, 8223 flow [2024-06-03 22:44:49,675 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 500 transitions, 8127 flow, removed 21 selfloop flow, removed 5 redundant places. [2024-06-03 22:44:49,681 INFO L231 Difference]: Finished difference. Result has 325 places, 476 transitions, 6892 flow [2024-06-03 22:44:49,681 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6597, PETRI_DIFFERENCE_MINUEND_PLACES=316, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=468, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=418, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6892, PETRI_PLACES=325, PETRI_TRANSITIONS=476} [2024-06-03 22:44:49,681 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 283 predicate places. [2024-06-03 22:44:49,681 INFO L495 AbstractCegarLoop]: Abstraction has has 325 places, 476 transitions, 6892 flow [2024-06-03 22:44:49,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:49,682 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:44:49,682 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 22:44:49,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-06-03 22:44:49,682 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:44:49,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:44:49,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1672740351, now seen corresponding path program 7 times [2024-06-03 22:44:49,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:44:49,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306345387] [2024-06-03 22:44:49,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:44:49,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:44:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:44:57,354 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 22:44:57,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:44:57,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306345387] [2024-06-03 22:44:57,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306345387] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:44:57,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:44:57,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:44:57,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157376018] [2024-06-03 22:44:57,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:44:57,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:44:57,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:44:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:44:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:44:57,468 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:44:57,468 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 325 places, 476 transitions, 6892 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:44:57,468 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:44:57,469 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:44:57,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:44:59,440 INFO L124 PetriNetUnfolderBase]: 4049/6192 cut-off events. [2024-06-03 22:44:59,440 INFO L125 PetriNetUnfolderBase]: For 588865/588865 co-relation queries the response was YES. [2024-06-03 22:44:59,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48935 conditions, 6192 events. 4049/6192 cut-off events. For 588865/588865 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 35239 event pairs, 891 based on Foata normal form. 2/6192 useless extension candidates. Maximal degree in co-relation 48783. Up to 6138 conditions per place. [2024-06-03 22:44:59,515 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 463 selfloop transitions, 28 changer transitions 0/494 dead transitions. [2024-06-03 22:44:59,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 332 places, 494 transitions, 7951 flow [2024-06-03 22:44:59,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:44:59,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:44:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 120 transitions. [2024-06-03 22:44:59,517 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36585365853658536 [2024-06-03 22:44:59,517 INFO L175 Difference]: Start difference. First operand has 325 places, 476 transitions, 6892 flow. Second operand 8 states and 120 transitions. [2024-06-03 22:44:59,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 332 places, 494 transitions, 7951 flow [2024-06-03 22:45:00,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 327 places, 494 transitions, 7788 flow, removed 42 selfloop flow, removed 5 redundant places. [2024-06-03 22:45:00,785 INFO L231 Difference]: Finished difference. Result has 328 places, 477 transitions, 6824 flow [2024-06-03 22:45:00,785 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6735, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=476, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=448, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6824, PETRI_PLACES=328, PETRI_TRANSITIONS=477} [2024-06-03 22:45:00,785 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 286 predicate places. [2024-06-03 22:45:00,785 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 477 transitions, 6824 flow [2024-06-03 22:45:00,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:00,785 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:00,785 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 22:45:00,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-06-03 22:45:00,786 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:00,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1672740537, now seen corresponding path program 4 times [2024-06-03 22:45:00,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:00,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832842437] [2024-06-03 22:45:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:09,219 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 22:45:09,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:09,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832842437] [2024-06-03 22:45:09,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832842437] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:09,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:09,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:45:09,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330553515] [2024-06-03 22:45:09,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:09,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:45:09,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:09,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:45:09,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:45:09,307 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:45:09,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 477 transitions, 6824 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:09,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:09,307 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:45:09,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:11,320 INFO L124 PetriNetUnfolderBase]: 4035/6172 cut-off events. [2024-06-03 22:45:11,320 INFO L125 PetriNetUnfolderBase]: For 594916/594916 co-relation queries the response was YES. [2024-06-03 22:45:11,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48552 conditions, 6172 events. 4035/6172 cut-off events. For 594916/594916 co-relation queries the response was YES. Maximal size of possible extension queue 386. Compared 35135 event pairs, 883 based on Foata normal form. 2/6172 useless extension candidates. Maximal degree in co-relation 48399. Up to 6062 conditions per place. [2024-06-03 22:45:11,389 INFO L140 encePairwiseOnDemand]: 31/41 looper letters, 440 selfloop transitions, 53 changer transitions 0/496 dead transitions. [2024-06-03 22:45:11,389 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 335 places, 496 transitions, 8016 flow [2024-06-03 22:45:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:45:11,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:45:11,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 127 transitions. [2024-06-03 22:45:11,391 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3871951219512195 [2024-06-03 22:45:11,391 INFO L175 Difference]: Start difference. First operand has 328 places, 477 transitions, 6824 flow. Second operand 8 states and 127 transitions. [2024-06-03 22:45:11,391 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 335 places, 496 transitions, 8016 flow [2024-06-03 22:45:12,510 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 496 transitions, 7928 flow, removed 19 selfloop flow, removed 5 redundant places. [2024-06-03 22:45:12,517 INFO L231 Difference]: Finished difference. Result has 331 places, 477 transitions, 6848 flow [2024-06-03 22:45:12,517 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6736, PETRI_DIFFERENCE_MINUEND_PLACES=323, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=424, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6848, PETRI_PLACES=331, PETRI_TRANSITIONS=477} [2024-06-03 22:45:12,517 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 289 predicate places. [2024-06-03 22:45:12,517 INFO L495 AbstractCegarLoop]: Abstraction has has 331 places, 477 transitions, 6848 flow [2024-06-03 22:45:12,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:12,517 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:12,517 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 22:45:12,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-06-03 22:45:12,517 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:12,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:12,518 INFO L85 PathProgramCache]: Analyzing trace with hash -2077907713, now seen corresponding path program 5 times [2024-06-03 22:45:12,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719594412] [2024-06-03 22:45:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:12,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:12,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:20,524 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 22:45:20,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:20,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719594412] [2024-06-03 22:45:20,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719594412] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:20,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:20,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:45:20,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674653963] [2024-06-03 22:45:20,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:20,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:45:20,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:45:20,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:45:20,603 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:45:20,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 477 transitions, 6848 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:20,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:20,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:45:20,603 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:22,738 INFO L124 PetriNetUnfolderBase]: 4045/6186 cut-off events. [2024-06-03 22:45:22,739 INFO L125 PetriNetUnfolderBase]: For 609042/609042 co-relation queries the response was YES. [2024-06-03 22:45:22,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48849 conditions, 6186 events. 4045/6186 cut-off events. For 609042/609042 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 35200 event pairs, 885 based on Foata normal form. 2/6186 useless extension candidates. Maximal degree in co-relation 48695. Up to 6123 conditions per place. [2024-06-03 22:45:22,801 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 453 selfloop transitions, 39 changer transitions 0/495 dead transitions. [2024-06-03 22:45:22,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 495 transitions, 7923 flow [2024-06-03 22:45:22,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-06-03 22:45:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-06-03 22:45:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 121 transitions. [2024-06-03 22:45:22,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36890243902439024 [2024-06-03 22:45:22,802 INFO L175 Difference]: Start difference. First operand has 331 places, 477 transitions, 6848 flow. Second operand 8 states and 121 transitions. [2024-06-03 22:45:22,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 495 transitions, 7923 flow [2024-06-03 22:45:23,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 326 places, 495 transitions, 7361 flow, removed 16 selfloop flow, removed 12 redundant places. [2024-06-03 22:45:24,005 INFO L231 Difference]: Finished difference. Result has 328 places, 481 transitions, 6437 flow [2024-06-03 22:45:24,005 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6297, PETRI_DIFFERENCE_MINUEND_PLACES=319, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=477, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=438, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=6437, PETRI_PLACES=328, PETRI_TRANSITIONS=481} [2024-06-03 22:45:24,005 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 286 predicate places. [2024-06-03 22:45:24,005 INFO L495 AbstractCegarLoop]: Abstraction has has 328 places, 481 transitions, 6437 flow [2024-06-03 22:45:24,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:24,005 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:24,005 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 22:45:24,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-06-03 22:45:24,006 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:24,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:24,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2107325545, now seen corresponding path program 8 times [2024-06-03 22:45:24,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:24,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263193911] [2024-06-03 22:45:24,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-03 22:45:31,678 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 22:45:31,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-03 22:45:31,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263193911] [2024-06-03 22:45:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263193911] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-03 22:45:31,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-03 22:45:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-06-03 22:45:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268512966] [2024-06-03 22:45:31,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-03 22:45:31,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-06-03 22:45:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-03 22:45:31,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-06-03 22:45:31,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-06-03 22:45:31,754 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 41 [2024-06-03 22:45:31,755 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 328 places, 481 transitions, 6437 flow. Second operand has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:31,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-03 22:45:31,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 41 [2024-06-03 22:45:31,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-03 22:45:33,752 INFO L124 PetriNetUnfolderBase]: 4076/6229 cut-off events. [2024-06-03 22:45:33,752 INFO L125 PetriNetUnfolderBase]: For 624623/624623 co-relation queries the response was YES. [2024-06-03 22:45:33,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 48988 conditions, 6229 events. 4076/6229 cut-off events. For 624623/624623 co-relation queries the response was YES. Maximal size of possible extension queue 392. Compared 35430 event pairs, 885 based on Foata normal form. 2/6229 useless extension candidates. Maximal degree in co-relation 48834. Up to 6177 conditions per place. [2024-06-03 22:45:33,824 INFO L140 encePairwiseOnDemand]: 30/41 looper letters, 476 selfloop transitions, 29 changer transitions 0/508 dead transitions. [2024-06-03 22:45:33,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 508 transitions, 7840 flow [2024-06-03 22:45:33,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-06-03 22:45:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-06-03 22:45:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 130 transitions. [2024-06-03 22:45:33,825 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3523035230352303 [2024-06-03 22:45:33,825 INFO L175 Difference]: Start difference. First operand has 328 places, 481 transitions, 6437 flow. Second operand 9 states and 130 transitions. [2024-06-03 22:45:33,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 508 transitions, 7840 flow [2024-06-03 22:45:35,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 332 places, 508 transitions, 7774 flow, removed 2 selfloop flow, removed 4 redundant places. [2024-06-03 22:45:35,020 INFO L231 Difference]: Finished difference. Result has 335 places, 491 transitions, 6652 flow [2024-06-03 22:45:35,021 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=6371, PETRI_DIFFERENCE_MINUEND_PLACES=324, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=481, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=452, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=6652, PETRI_PLACES=335, PETRI_TRANSITIONS=491} [2024-06-03 22:45:35,021 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 293 predicate places. [2024-06-03 22:45:35,021 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 491 transitions, 6652 flow [2024-06-03 22:45:35,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.777777777777779) internal successors, (79), 9 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-03 22:45:35,021 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-03 22:45:35,021 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 22:45:35,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-06-03 22:45:35,022 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-06-03 22:45:35,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-03 22:45:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash 525987569, now seen corresponding path program 9 times [2024-06-03 22:45:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-03 22:45:35,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529487653] [2024-06-03 22:45:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-03 22:45:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-03 22:45:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Killed by 15