./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix036.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7724a2de Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix036.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-7724a2d-m [2024-06-27 22:20:54,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:20:54,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:20:54,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:20:54,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:20:54,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:20:54,492 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:20:54,492 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:20:54,493 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:20:54,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:20:54,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:20:54,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:20:54,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:20:54,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:20:54,498 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:20:54,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:20:54,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:20:54,499 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:20:54,499 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:20:54,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:20:54,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:20:54,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:20:54,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:20:54,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:20:54,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:20:54,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:20:54,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:20:54,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:20:54,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:20:54,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:20:54,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:20:54,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:20:54,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:20:54,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:20:54,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:20:54,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:20:54,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:20:54,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:20:54,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:20:54,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:20:54,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:20:54,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:20:54,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:20:54,506 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:20:54,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:20:54,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:20:54,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:20:54,767 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:20:54,768 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:20:54,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2024-06-27 22:20:55,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:20:56,056 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:20:56,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2024-06-27 22:20:56,074 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7034c2ff/87cd9a2e47134e7aaaef90a92811a197/FLAG56992b058 [2024-06-27 22:20:56,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7034c2ff/87cd9a2e47134e7aaaef90a92811a197 [2024-06-27 22:20:56,086 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:20:56,086 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:20:56,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix036.oepc.yml/witness.yml [2024-06-27 22:20:56,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:20:56,162 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:20:56,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:20:56,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:20:56,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:20:56,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:20:56" (1/2) ... [2024-06-27 22:20:56,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59320891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:20:56, skipping insertion in model container [2024-06-27 22:20:56,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:20:56" (1/2) ... [2024-06-27 22:20:56,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@236f6a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:20:56, skipping insertion in model container [2024-06-27 22:20:56,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:20:56" (2/2) ... [2024-06-27 22:20:56,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59320891 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56, skipping insertion in model container [2024-06-27 22:20:56,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:20:56" (2/2) ... [2024-06-27 22:20:56,170 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:20:56,201 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:20:56,202 INFO L97 edCorrectnessWitness]: Location invariant before [L880-L880] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0_used >= 0LL) && (long long )a + (long long )b$r_buff0_thd1 >= 0LL) && (long long )a + (long long )b$w_buff0 >= 0LL) && (long long )a + (long long )b$w_buff0_used >= 0LL) && (long long )b + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b + (long long )b$w_buff0 >= 0LL) && (long long )b + (long long )b$w_buff0_used >= 0LL) && (long long )b$flush_delayed + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$mem_tmp + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )x >= 0LL) && (long long )b$r_buff0_thd1 + (long long )y >= 0LL) && (long long )b$r_buff0_thd1 + (long long )z >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0 + (long long )x >= 0LL) && (long long )b$w_buff0 + (long long )y >= 0LL) && (long long )b$w_buff0 + (long long )z >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0_used + (long long )x >= 0LL) && (long long )b$w_buff0_used + (long long )y >= 0LL) && (long long )b$w_buff0_used + (long long )z >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )b$w_buff0_used) - (long long )b$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )b$mem_tmp >= 0LL) && (long long )b - (long long )b$mem_tmp >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff1 - (long long )b$w_buff1_used >= 0LL) [2024-06-27 22:20:56,202 INFO L97 edCorrectnessWitness]: Location invariant before [L878-L878] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0_used >= 0LL) && (long long )a + (long long )b$r_buff0_thd1 >= 0LL) && (long long )a + (long long )b$w_buff0 >= 0LL) && (long long )a + (long long )b$w_buff0_used >= 0LL) && (long long )b + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b + (long long )b$w_buff0 >= 0LL) && (long long )b + (long long )b$w_buff0_used >= 0LL) && (long long )b$flush_delayed + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$mem_tmp + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )x >= 0LL) && (long long )b$r_buff0_thd1 + (long long )y >= 0LL) && (long long )b$r_buff0_thd1 + (long long )z >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0 + (long long )x >= 0LL) && (long long )b$w_buff0 + (long long )y >= 0LL) && (long long )b$w_buff0 + (long long )z >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0_used + (long long )x >= 0LL) && (long long )b$w_buff0_used + (long long )y >= 0LL) && (long long )b$w_buff0_used + (long long )z >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )b$w_buff0_used) - (long long )b$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )b$mem_tmp >= 0LL) && (long long )b - (long long )b$mem_tmp >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff1 - (long long )b$w_buff1_used >= 0LL) [2024-06-27 22:20:56,204 INFO L97 edCorrectnessWitness]: Location invariant before [L876-L876] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0_used >= 0LL) && (long long )a + (long long )b$r_buff0_thd1 >= 0LL) && (long long )a + (long long )b$w_buff0 >= 0LL) && (long long )a + (long long )b$w_buff0_used >= 0LL) && (long long )b + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b + (long long )b$w_buff0 >= 0LL) && (long long )b + (long long )b$w_buff0_used >= 0LL) && (long long )b$flush_delayed + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$mem_tmp + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )x >= 0LL) && (long long )b$r_buff0_thd1 + (long long )y >= 0LL) && (long long )b$r_buff0_thd1 + (long long )z >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0 + (long long )x >= 0LL) && (long long )b$w_buff0 + (long long )y >= 0LL) && (long long )b$w_buff0 + (long long )z >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0_used + (long long )x >= 0LL) && (long long )b$w_buff0_used + (long long )y >= 0LL) && (long long )b$w_buff0_used + (long long )z >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )b$w_buff0_used) - (long long )b$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )b$mem_tmp >= 0LL) && (long long )b - (long long )b$mem_tmp >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff1 - (long long )b$w_buff1_used >= 0LL) [2024-06-27 22:20:56,204 INFO L97 edCorrectnessWitness]: Location invariant before [L881-L881] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p2_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p3_EBX + (long long )b$w_buff0_used >= 0LL) && (long long )a + (long long )b$r_buff0_thd1 >= 0LL) && (long long )a + (long long )b$w_buff0 >= 0LL) && (long long )a + (long long )b$w_buff0_used >= 0LL) && (long long )b + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b + (long long )b$w_buff0 >= 0LL) && (long long )b + (long long )b$w_buff0_used >= 0LL) && (long long )b$flush_delayed + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$flush_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$mem_tmp + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0 >= 0LL) && (long long )b$mem_tmp + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$r_buff0_thd1 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff0_thd1 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )x >= 0LL) && (long long )b$r_buff0_thd1 + (long long )y >= 0LL) && (long long )b$r_buff0_thd1 + (long long )z >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice0 >= 0LL) && (long long )b$r_buff0_thd1 + (long long )weak$$choice2 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd1 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd2 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd3 + (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff1_thd4 + (long long )b$w_buff0_used >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0 >= 0LL) && (long long )b$read_delayed + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0 + (long long )x >= 0LL) && (long long )b$w_buff0 + (long long )y >= 0LL) && (long long )b$w_buff0 + (long long )z >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0 + (long long )weak$$choice2 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0_used + (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used + (long long )main$tmp_guard1 >= 0LL) && (long long )b$w_buff0_used + (long long )x >= 0LL) && (long long )b$w_buff0_used + (long long )y >= 0LL) && (long long )b$w_buff0_used + (long long )z >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice0 >= 0LL) && (long long )b$w_buff0_used + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )b$w_buff0_used) - (long long )b$w_buff1 >= 0LL) && (long long )__unbuffered_p3_EBX - (long long )b$mem_tmp >= 0LL) && (long long )b - (long long )b$mem_tmp >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff0_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd2 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd3 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$r_buff1_thd4 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$read_delayed >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff0_used >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff0_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1 >= 0LL) && (long long )b$r_buff1_thd1 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff0_used >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1 >= 0LL) && (long long )b$w_buff0 - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff0_used - (long long )b$w_buff1_used >= 0LL) && (long long )b$w_buff1 - (long long )b$w_buff1_used >= 0LL) [2024-06-27 22:20:56,204 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:20:56,205 INFO L106 edCorrectnessWitness]: ghost_update [L874-L874] multithreaded = 1; [2024-06-27 22:20:56,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:20:56,428 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036.oepc.i[945,958] [2024-06-27 22:20:56,609 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:20:56,621 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:20:56,647 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:20:56,825 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:20:56,862 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:20:56,863 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56 WrapperNode [2024-06-27 22:20:56,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:20:56,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:20:56,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:20:56,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:20:56,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:56,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:56,964 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 137 [2024-06-27 22:20:56,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:20:56,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:20:56,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:20:56,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:20:56,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:56,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:56,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,019 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-06-27 22:20:57,019 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,041 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,045 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:20:57,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:20:57,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:20:57,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:20:57,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (1/1) ... [2024-06-27 22:20:57,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:20:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:20:57,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-06-27 22:20:57,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-06-27 22:20:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:20:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:20:57,131 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:20:57,131 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:20:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:20:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:20:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:20:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:20:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:20:57,132 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:20:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:20:57,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:20:57,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:20:57,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:20:57,134 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-06-27 22:20:57,226 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:20:57,227 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:20:57,751 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:20:57,752 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:20:57,974 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:20:57,974 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:20:57,974 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:20:57 BoogieIcfgContainer [2024-06-27 22:20:57,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:20:57,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:20:57,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:20:57,980 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:20:57,980 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:20:56" (1/4) ... [2024-06-27 22:20:57,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2234a4f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:20:57, skipping insertion in model container [2024-06-27 22:20:57,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:20:56" (2/4) ... [2024-06-27 22:20:57,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2234a4f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:20:57, skipping insertion in model container [2024-06-27 22:20:57,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:20:56" (3/4) ... [2024-06-27 22:20:57,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2234a4f1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:20:57, skipping insertion in model container [2024-06-27 22:20:57,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:20:57" (4/4) ... [2024-06-27 22:20:57,985 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2024-06-27 22:20:57,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:20:57,998 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:20:57,998 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:20:58,060 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:20:58,085 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:20:58,119 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-06-27 22:20:58,119 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:20:58,123 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 55 events. 1/55 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 58. Up to 2 conditions per place. [2024-06-27 22:20:58,123 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:20:58,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 55 transitions, 122 flow [2024-06-27 22:20:58,143 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:20:58,151 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;@213a5f82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:20:58,151 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:20:58,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:20:58,159 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 22:20:58,159 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:20:58,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:20:58,160 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:20:58,161 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:20:58,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:20:58,165 INFO L85 PathProgramCache]: Analyzing trace with hash 386075766, now seen corresponding path program 1 times [2024-06-27 22:20:58,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:20:58,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453788699] [2024-06-27 22:20:58,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:20:58,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:20:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:20:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:20:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:20:59,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453788699] [2024-06-27 22:20:59,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453788699] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:20:59,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:20:59,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:20:59,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380739585] [2024-06-27 22:20:59,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:20:59,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:20:59,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:20:59,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:20:59,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:20:59,842 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 59 [2024-06-27 22:20:59,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:20:59,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:20:59,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 59 [2024-06-27 22:20:59,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:03,452 INFO L124 PetriNetUnfolderBase]: 23638/34478 cut-off events. [2024-06-27 22:21:03,452 INFO L125 PetriNetUnfolderBase]: For 179/179 co-relation queries the response was YES. [2024-06-27 22:21:03,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66253 conditions, 34478 events. 23638/34478 cut-off events. For 179/179 co-relation queries the response was YES. Maximal size of possible extension queue 1473. Compared 243795 event pairs, 20382 based on Foata normal form. 864/32859 useless extension candidates. Maximal degree in co-relation 66240. Up to 31371 conditions per place. [2024-06-27 22:21:03,653 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 53 selfloop transitions, 5 changer transitions 0/73 dead transitions. [2024-06-27 22:21:03,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 283 flow [2024-06-27 22:21:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:21:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:21:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-06-27 22:21:03,662 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6892655367231638 [2024-06-27 22:21:03,663 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 122 flow. Second operand 3 states and 122 transitions. [2024-06-27 22:21:03,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 283 flow [2024-06-27 22:21:03,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 73 transitions, 276 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:21:03,668 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 157 flow [2024-06-27 22:21:03,670 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=157, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2024-06-27 22:21:03,672 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -1 predicate places. [2024-06-27 22:21:03,672 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 157 flow [2024-06-27 22:21:03,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:03,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:03,673 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:03,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:21:03,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:03,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:03,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1651668340, now seen corresponding path program 1 times [2024-06-27 22:21:03,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:03,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56443154] [2024-06-27 22:21:03,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:03,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:04,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:04,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:04,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56443154] [2024-06-27 22:21:04,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56443154] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:04,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:04,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:21:04,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827884901] [2024-06-27 22:21:04,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:04,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:21:04,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:04,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:21:04,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:21:05,008 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 59 [2024-06-27 22:21:05,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:05,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:05,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 59 [2024-06-27 22:21:05,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:08,223 INFO L124 PetriNetUnfolderBase]: 23671/34497 cut-off events. [2024-06-27 22:21:08,223 INFO L125 PetriNetUnfolderBase]: For 5221/5221 co-relation queries the response was YES. [2024-06-27 22:21:08,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74300 conditions, 34497 events. 23671/34497 cut-off events. For 5221/5221 co-relation queries the response was YES. Maximal size of possible extension queue 1472. Compared 242850 event pairs, 18852 based on Foata normal form. 6/32211 useless extension candidates. Maximal degree in co-relation 74288. Up to 31389 conditions per place. [2024-06-27 22:21:08,440 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 67 selfloop transitions, 10 changer transitions 1/93 dead transitions. [2024-06-27 22:21:08,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 93 transitions, 410 flow [2024-06-27 22:21:08,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:21:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:21:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 154 transitions. [2024-06-27 22:21:08,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.652542372881356 [2024-06-27 22:21:08,447 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 157 flow. Second operand 4 states and 154 transitions. [2024-06-27 22:21:08,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 93 transitions, 410 flow [2024-06-27 22:21:08,458 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 93 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 22:21:08,459 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 239 flow [2024-06-27 22:21:08,459 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=152, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=239, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2024-06-27 22:21:08,460 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 3 predicate places. [2024-06-27 22:21:08,462 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 239 flow [2024-06-27 22:21:08,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:08,463 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:08,463 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:08,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:21:08,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:08,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:08,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1884577165, now seen corresponding path program 1 times [2024-06-27 22:21:08,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:08,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210518792] [2024-06-27 22:21:08,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:08,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:10,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210518792] [2024-06-27 22:21:10,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210518792] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:10,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:10,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:21:10,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183006320] [2024-06-27 22:21:10,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:10,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:21:10,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:10,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:21:10,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:21:10,839 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:21:10,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:10,840 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:10,840 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:21:10,840 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:14,856 INFO L124 PetriNetUnfolderBase]: 27866/38359 cut-off events. [2024-06-27 22:21:14,856 INFO L125 PetriNetUnfolderBase]: For 19476/19516 co-relation queries the response was YES. [2024-06-27 22:21:14,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 95696 conditions, 38359 events. 27866/38359 cut-off events. For 19476/19516 co-relation queries the response was YES. Maximal size of possible extension queue 1585. Compared 250586 event pairs, 14836 based on Foata normal form. 10/36500 useless extension candidates. Maximal degree in co-relation 95680. Up to 36688 conditions per place. [2024-06-27 22:21:15,096 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 102 selfloop transitions, 28 changer transitions 3/146 dead transitions. [2024-06-27 22:21:15,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 146 transitions, 772 flow [2024-06-27 22:21:15,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:21:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:21:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 244 transitions. [2024-06-27 22:21:15,098 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5907990314769975 [2024-06-27 22:21:15,099 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 239 flow. Second operand 7 states and 244 transitions. [2024-06-27 22:21:15,099 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 146 transitions, 772 flow [2024-06-27 22:21:15,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 146 transitions, 748 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-06-27 22:21:15,104 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 398 flow [2024-06-27 22:21:15,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=398, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2024-06-27 22:21:15,105 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 11 predicate places. [2024-06-27 22:21:15,105 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 398 flow [2024-06-27 22:21:15,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:15,106 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:15,106 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:15,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:21:15,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:15,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:15,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1674621065, now seen corresponding path program 1 times [2024-06-27 22:21:15,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:15,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709419319] [2024-06-27 22:21:15,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:15,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:15,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:15,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709419319] [2024-06-27 22:21:15,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709419319] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:15,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:15,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:21:15,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712526792] [2024-06-27 22:21:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:15,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:21:15,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:15,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:21:15,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:21:15,213 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 59 [2024-06-27 22:21:15,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:15,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:15,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 59 [2024-06-27 22:21:15,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:16,572 INFO L124 PetriNetUnfolderBase]: 7517/12935 cut-off events. [2024-06-27 22:21:16,573 INFO L125 PetriNetUnfolderBase]: For 6638/7990 co-relation queries the response was YES. [2024-06-27 22:21:16,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30272 conditions, 12935 events. 7517/12935 cut-off events. For 6638/7990 co-relation queries the response was YES. Maximal size of possible extension queue 782. Compared 106124 event pairs, 4287 based on Foata normal form. 33/11676 useless extension candidates. Maximal degree in co-relation 30252. Up to 8466 conditions per place. [2024-06-27 22:21:16,715 INFO L140 encePairwiseOnDemand]: 56/59 looper letters, 49 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-06-27 22:21:16,721 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 102 transitions, 552 flow [2024-06-27 22:21:16,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:21:16,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:21:16,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-06-27 22:21:16,723 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2024-06-27 22:21:16,723 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 398 flow. Second operand 3 states and 141 transitions. [2024-06-27 22:21:16,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 102 transitions, 552 flow [2024-06-27 22:21:16,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 102 transitions, 530 flow, removed 6 selfloop flow, removed 2 redundant places. [2024-06-27 22:21:16,728 INFO L231 Difference]: Finished difference. Result has 77 places, 81 transitions, 380 flow [2024-06-27 22:21:16,729 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2024-06-27 22:21:16,729 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places. [2024-06-27 22:21:16,729 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 81 transitions, 380 flow [2024-06-27 22:21:16,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:16,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:16,730 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:16,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:21:16,730 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:16,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:16,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1707651578, now seen corresponding path program 1 times [2024-06-27 22:21:16,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:16,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360307005] [2024-06-27 22:21:16,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:16,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:18,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:18,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:18,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360307005] [2024-06-27 22:21:18,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360307005] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:18,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:18,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:21:18,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203936193] [2024-06-27 22:21:18,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:18,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:21:18,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:18,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:21:18,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:21:18,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:21:18,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 81 transitions, 380 flow. Second operand has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:18,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:18,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:21:18,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:22,186 INFO L124 PetriNetUnfolderBase]: 23929/32696 cut-off events. [2024-06-27 22:21:22,186 INFO L125 PetriNetUnfolderBase]: For 37020/37060 co-relation queries the response was YES. [2024-06-27 22:21:22,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92356 conditions, 32696 events. 23929/32696 cut-off events. For 37020/37060 co-relation queries the response was YES. Maximal size of possible extension queue 1322. Compared 204932 event pairs, 9426 based on Foata normal form. 28/32298 useless extension candidates. Maximal degree in co-relation 92336. Up to 31267 conditions per place. [2024-06-27 22:21:22,395 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 113 selfloop transitions, 29 changer transitions 6/162 dead transitions. [2024-06-27 22:21:22,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 162 transitions, 924 flow [2024-06-27 22:21:22,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:21:22,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:21:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 266 transitions. [2024-06-27 22:21:22,397 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6440677966101694 [2024-06-27 22:21:22,397 INFO L175 Difference]: Start difference. First operand has 77 places, 81 transitions, 380 flow. Second operand 7 states and 266 transitions. [2024-06-27 22:21:22,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 162 transitions, 924 flow [2024-06-27 22:21:22,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 162 transitions, 916 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 22:21:22,410 INFO L231 Difference]: Finished difference. Result has 81 places, 81 transitions, 450 flow [2024-06-27 22:21:22,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=450, PETRI_PLACES=81, PETRI_TRANSITIONS=81} [2024-06-27 22:21:22,411 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 14 predicate places. [2024-06-27 22:21:22,411 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 81 transitions, 450 flow [2024-06-27 22:21:22,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.142857142857142) internal successors, (134), 7 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:22,412 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:22,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:22,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:21:22,412 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:22,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:22,413 INFO L85 PathProgramCache]: Analyzing trace with hash 815631311, now seen corresponding path program 1 times [2024-06-27 22:21:22,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:22,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66076117] [2024-06-27 22:21:22,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:22,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:24,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:24,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:24,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66076117] [2024-06-27 22:21:24,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66076117] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:24,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:24,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:21:24,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033152183] [2024-06-27 22:21:24,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:24,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:21:24,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:24,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:21:24,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:21:24,281 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:21:24,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 81 transitions, 450 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:24,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:24,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:21:24,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:28,292 INFO L124 PetriNetUnfolderBase]: 23905/34981 cut-off events. [2024-06-27 22:21:28,292 INFO L125 PetriNetUnfolderBase]: For 47321/47361 co-relation queries the response was YES. [2024-06-27 22:21:28,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97204 conditions, 34981 events. 23905/34981 cut-off events. For 47321/47361 co-relation queries the response was YES. Maximal size of possible extension queue 1447. Compared 243480 event pairs, 13383 based on Foata normal form. 8/34178 useless extension candidates. Maximal degree in co-relation 97182. Up to 31682 conditions per place. [2024-06-27 22:21:28,498 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 86 selfloop transitions, 15 changer transitions 0/113 dead transitions. [2024-06-27 22:21:28,498 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 113 transitions, 760 flow [2024-06-27 22:21:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:21:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:21:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 158 transitions. [2024-06-27 22:21:28,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.535593220338983 [2024-06-27 22:21:28,500 INFO L175 Difference]: Start difference. First operand has 81 places, 81 transitions, 450 flow. Second operand 5 states and 158 transitions. [2024-06-27 22:21:28,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 113 transitions, 760 flow [2024-06-27 22:21:28,512 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 113 transitions, 704 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-06-27 22:21:28,513 INFO L231 Difference]: Finished difference. Result has 81 places, 87 transitions, 489 flow [2024-06-27 22:21:28,513 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=489, PETRI_PLACES=81, PETRI_TRANSITIONS=87} [2024-06-27 22:21:28,514 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 14 predicate places. [2024-06-27 22:21:28,514 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 87 transitions, 489 flow [2024-06-27 22:21:28,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:28,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:28,515 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:28,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-27 22:21:28,515 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:28,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash -504894152, now seen corresponding path program 1 times [2024-06-27 22:21:28,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:28,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749024817] [2024-06-27 22:21:28,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:28,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:31,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:31,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749024817] [2024-06-27 22:21:31,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749024817] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:31,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:31,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:21:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527433756] [2024-06-27 22:21:31,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:31,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:21:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:21:31,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:21:31,181 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 59 [2024-06-27 22:21:31,181 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 87 transitions, 489 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:31,181 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:31,182 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 59 [2024-06-27 22:21:31,182 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:36,498 INFO L124 PetriNetUnfolderBase]: 30330/44276 cut-off events. [2024-06-27 22:21:36,498 INFO L125 PetriNetUnfolderBase]: For 76227/76227 co-relation queries the response was YES. [2024-06-27 22:21:36,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127609 conditions, 44276 events. 30330/44276 cut-off events. For 76227/76227 co-relation queries the response was YES. Maximal size of possible extension queue 1531. Compared 308260 event pairs, 15018 based on Foata normal form. 14/43357 useless extension candidates. Maximal degree in co-relation 127583. Up to 39758 conditions per place. [2024-06-27 22:21:37,035 INFO L140 encePairwiseOnDemand]: 44/59 looper letters, 112 selfloop transitions, 26 changer transitions 0/149 dead transitions. [2024-06-27 22:21:37,035 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 149 transitions, 985 flow [2024-06-27 22:21:37,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:21:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:21:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 220 transitions. [2024-06-27 22:21:37,038 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5326876513317191 [2024-06-27 22:21:37,038 INFO L175 Difference]: Start difference. First operand has 81 places, 87 transitions, 489 flow. Second operand 7 states and 220 transitions. [2024-06-27 22:21:37,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 149 transitions, 985 flow [2024-06-27 22:21:37,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 149 transitions, 959 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-06-27 22:21:37,069 INFO L231 Difference]: Finished difference. Result has 87 places, 98 transitions, 616 flow [2024-06-27 22:21:37,069 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=616, PETRI_PLACES=87, PETRI_TRANSITIONS=98} [2024-06-27 22:21:37,071 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 20 predicate places. [2024-06-27 22:21:37,071 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 98 transitions, 616 flow [2024-06-27 22:21:37,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:37,072 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:37,072 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:37,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-06-27 22:21:37,072 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:37,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:37,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1521506169, now seen corresponding path program 1 times [2024-06-27 22:21:37,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:37,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906068694] [2024-06-27 22:21:37,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:21:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:21:38,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:21:38,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906068694] [2024-06-27 22:21:38,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906068694] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:21:38,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:21:38,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:21:38,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107487684] [2024-06-27 22:21:38,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:21:38,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:21:38,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:21:38,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:21:38,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:21:38,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 59 [2024-06-27 22:21:38,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 98 transitions, 616 flow. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:38,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:21:38,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 59 [2024-06-27 22:21:38,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:21:45,476 INFO L124 PetriNetUnfolderBase]: 39473/56327 cut-off events. [2024-06-27 22:21:45,476 INFO L125 PetriNetUnfolderBase]: For 131469/131495 co-relation queries the response was YES. [2024-06-27 22:21:45,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173481 conditions, 56327 events. 39473/56327 cut-off events. For 131469/131495 co-relation queries the response was YES. Maximal size of possible extension queue 1930. Compared 385170 event pairs, 19375 based on Foata normal form. 14/54903 useless extension candidates. Maximal degree in co-relation 173452. Up to 51775 conditions per place. [2024-06-27 22:21:45,911 INFO L140 encePairwiseOnDemand]: 45/59 looper letters, 113 selfloop transitions, 28 changer transitions 0/152 dead transitions. [2024-06-27 22:21:45,911 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 152 transitions, 1147 flow [2024-06-27 22:21:45,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:21:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:21:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 183 transitions. [2024-06-27 22:21:45,913 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5169491525423728 [2024-06-27 22:21:45,913 INFO L175 Difference]: Start difference. First operand has 87 places, 98 transitions, 616 flow. Second operand 6 states and 183 transitions. [2024-06-27 22:21:45,913 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 152 transitions, 1147 flow [2024-06-27 22:21:45,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 152 transitions, 1099 flow, removed 13 selfloop flow, removed 3 redundant places. [2024-06-27 22:21:45,965 INFO L231 Difference]: Finished difference. Result has 92 places, 118 transitions, 803 flow [2024-06-27 22:21:45,966 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=571, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=803, PETRI_PLACES=92, PETRI_TRANSITIONS=118} [2024-06-27 22:21:45,966 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 25 predicate places. [2024-06-27 22:21:45,966 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 118 transitions, 803 flow [2024-06-27 22:21:45,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:21:45,967 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:21:45,967 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:21:45,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-06-27 22:21:45,967 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:21:45,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:21:45,967 INFO L85 PathProgramCache]: Analyzing trace with hash -2136744997, now seen corresponding path program 2 times [2024-06-27 22:21:45,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:21:45,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413083821] [2024-06-27 22:21:45,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:21:45,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:21:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat