./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix039.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/mix039.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/mix039.oepc.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix039.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 22:23:03,827 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:23:03,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:23:03,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:23:03,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:23:03,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:23:03,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:23:03,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:23:03,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:23:03,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:23:03,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:23:03,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:23:03,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:23:03,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:23:03,939 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:23:03,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:23:03,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:23:03,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:23:03,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:23:03,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:23:03,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:23:03,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:23:03,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:23:03,941 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:23:03,941 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:23:03,941 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:23:03,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:23:03,942 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:23:03,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:23:03,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:23:03,943 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:23:03,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:23:03,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:23:03,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:23:03,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:23:03,944 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:23:03,949 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:23:03,949 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:23:03,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:23:03,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:23:03,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:23:03,952 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:23:03,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:23:03,952 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:23:04,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:23:04,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:23:04,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:23:04,175 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:23:04,175 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:23:04,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix039.oepc.yml/witness.yml [2024-06-27 22:23:04,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:23:04,277 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:23:04,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039.oepc.i [2024-06-27 22:23:05,235 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:23:05,435 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:23:05,435 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039.oepc.i [2024-06-27 22:23:05,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e9bab3c/2ba03c4033fd49c0be98c3e40b6f600c/FLAG09fb57d2f [2024-06-27 22:23:05,463 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66e9bab3c/2ba03c4033fd49c0be98c3e40b6f600c [2024-06-27 22:23:05,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:23:05,465 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:23:05,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:23:05,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:23:05,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:23:05,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:23:04" (1/2) ... [2024-06-27 22:23:05,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733cc794 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:23:05, skipping insertion in model container [2024-06-27 22:23:05,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:23:04" (1/2) ... [2024-06-27 22:23:05,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d3bbfc4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:23:05, skipping insertion in model container [2024-06-27 22:23:05,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:23:05" (2/2) ... [2024-06-27 22:23:05,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733cc794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:05, skipping insertion in model container [2024-06-27 22:23:05,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:23:05" (2/2) ... [2024-06-27 22:23:05,476 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:23:05,501 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:23:05,502 INFO L97 edCorrectnessWitness]: Location invariant before [L874-L874] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 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$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$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 22:23:05,503 INFO L97 edCorrectnessWitness]: Location invariant before [L878-L878] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 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$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$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 22:23:05,503 INFO L97 edCorrectnessWitness]: Location invariant before [L879-L879] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 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$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$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 22:23:05,503 INFO L97 edCorrectnessWitness]: Location invariant before [L876-L876] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 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$w_buff0_used >= 0LL) && (long long )__unbuffered_p2_EAX + (long long )b$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 22:23:05,504 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:23:05,504 INFO L106 edCorrectnessWitness]: ghost_update [L872-L872] multithreaded = 1; [2024-06-27 22:23:05,543 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:23:05,692 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/mix039.oepc.i[945,958] [2024-06-27 22:23:05,863 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:23:05,873 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:23:05,908 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/mix039.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:23:06,083 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:23:06,125 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:23:06,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06 WrapperNode [2024-06-27 22:23:06,126 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:23:06,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:23:06,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:23:06,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:23:06,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,218 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2024-06-27 22:23:06,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:23:06,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:23:06,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:23:06,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:23:06,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,318 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 22:23:06,321 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:23:06,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:23:06,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:23:06,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:23:06,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (1/1) ... [2024-06-27 22:23:06,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:23:06,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:23:06,405 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 22:23:06,412 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 22:23:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:23:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:23:06,437 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:23:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:23:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:23:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:23:06,438 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:23:06,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:23:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:23:06,439 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:23:06,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:23:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:23:06,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:23:06,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:23:06,442 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 22:23:06,567 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:23:06,569 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:23:07,119 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:23:07,120 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:23:07,286 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:23:07,286 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:23:07,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:23:07 BoogieIcfgContainer [2024-06-27 22:23:07,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:23:07,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:23:07,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:23:07,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:23:07,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:23:04" (1/4) ... [2024-06-27 22:23:07,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f84fe2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:23:07, skipping insertion in model container [2024-06-27 22:23:07,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:23:05" (2/4) ... [2024-06-27 22:23:07,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f84fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:23:07, skipping insertion in model container [2024-06-27 22:23:07,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:23:06" (3/4) ... [2024-06-27 22:23:07,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32f84fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:23:07, skipping insertion in model container [2024-06-27 22:23:07,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:23:07" (4/4) ... [2024-06-27 22:23:07,294 INFO L112 eAbstractionObserver]: Analyzing ICFG mix039.oepc.i [2024-06-27 22:23:07,307 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:23:07,308 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:23:07,308 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:23:07,360 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:23:07,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:23:07,423 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-06-27 22:23:07,424 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:23:07,428 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 100 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 22:23:07,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:23:07,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 55 transitions, 122 flow [2024-06-27 22:23:07,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:23:07,454 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;@61c8df37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:23:07,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:23:07,468 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:23:07,471 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 22:23:07,471 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:23:07,472 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:07,472 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:23:07,473 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 22:23:07,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:07,477 INFO L85 PathProgramCache]: Analyzing trace with hash 386818320, now seen corresponding path program 1 times [2024-06-27 22:23:07,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:07,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59769919] [2024-06-27 22:23:07,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:07,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:23:09,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59769919] [2024-06-27 22:23:09,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59769919] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:09,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:09,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:23:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746968449] [2024-06-27 22:23:09,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:09,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:23:09,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:09,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:23:09,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:23:09,137 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:23:09,139 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 55 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:23:09,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:09,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:23:09,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:23:13,592 INFO L124 PetriNetUnfolderBase]: 30032/43846 cut-off events. [2024-06-27 22:23:13,593 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-06-27 22:23:13,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 84010 conditions, 43846 events. 30032/43846 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 1601. Compared 309350 event pairs, 25919 based on Foata normal form. 1080/41794 useless extension candidates. Maximal degree in co-relation 83997. Up to 39703 conditions per place. [2024-06-27 22:23:13,825 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 53 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-06-27 22:23:13,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 72 transitions, 281 flow [2024-06-27 22:23:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:23:13,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:23:13,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-06-27 22:23:13,834 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.672316384180791 [2024-06-27 22:23:13,836 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 122 flow. Second operand 3 states and 119 transitions. [2024-06-27 22:23:13,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 72 transitions, 281 flow [2024-06-27 22:23:13,839 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 72 transitions, 274 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-06-27 22:23:13,841 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 157 flow [2024-06-27 22:23:13,843 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 22:23:13,846 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -1 predicate places. [2024-06-27 22:23:13,846 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 157 flow [2024-06-27 22:23:13,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:23:13,846 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:13,846 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:23:13,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:23:13,847 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 22:23:13,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:13,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1928908936, now seen corresponding path program 1 times [2024-06-27 22:23:13,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:13,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606829942] [2024-06-27 22:23:13,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:13,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:15,152 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 22:23:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:15,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606829942] [2024-06-27 22:23:15,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606829942] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:15,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:15,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:23:15,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586869517] [2024-06-27 22:23:15,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:15,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:23:15,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:15,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:23:15,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:23:15,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:23:15,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 157 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:23:15,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:15,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:23:15,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:23:19,289 INFO L124 PetriNetUnfolderBase]: 30033/43821 cut-off events. [2024-06-27 22:23:19,289 INFO L125 PetriNetUnfolderBase]: For 6552/6552 co-relation queries the response was YES. [2024-06-27 22:23:19,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93455 conditions, 43821 events. 30033/43821 cut-off events. For 6552/6552 co-relation queries the response was YES. Maximal size of possible extension queue 1598. Compared 308784 event pairs, 24000 based on Foata normal form. 4/40916 useless extension candidates. Maximal degree in co-relation 93443. Up to 39680 conditions per place. [2024-06-27 22:23:19,480 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 67 selfloop transitions, 10 changer transitions 1/92 dead transitions. [2024-06-27 22:23:19,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 92 transitions, 411 flow [2024-06-27 22:23:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:23:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:23:19,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions. [2024-06-27 22:23:19,482 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.635593220338983 [2024-06-27 22:23:19,482 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 157 flow. Second operand 4 states and 150 transitions. [2024-06-27 22:23:19,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 92 transitions, 411 flow [2024-06-27 22:23:19,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 92 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-06-27 22:23:19,486 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 241 flow [2024-06-27 22:23:19,486 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=241, PETRI_PLACES=70, PETRI_TRANSITIONS=67} [2024-06-27 22:23:19,487 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 3 predicate places. [2024-06-27 22:23:19,489 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 241 flow [2024-06-27 22:23:19,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:23:19,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:19,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:23:19,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:23:19,495 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 22:23:19,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1744449207, now seen corresponding path program 1 times [2024-06-27 22:23:19,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:19,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898383475] [2024-06-27 22:23:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:19,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:21,405 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 22:23:21,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:21,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898383475] [2024-06-27 22:23:21,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898383475] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:21,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:21,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:23:21,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072316451] [2024-06-27 22:23:21,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:21,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:23:21,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:21,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:23:21,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:23:21,500 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 59 [2024-06-27 22:23:21,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states 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 22:23:21,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:21,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 59 [2024-06-27 22:23:21,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:23:26,255 INFO L124 PetriNetUnfolderBase]: 35309/48964 cut-off events. [2024-06-27 22:23:26,255 INFO L125 PetriNetUnfolderBase]: For 21379/21379 co-relation queries the response was YES. [2024-06-27 22:23:26,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117006 conditions, 48964 events. 35309/48964 cut-off events. For 21379/21379 co-relation queries the response was YES. Maximal size of possible extension queue 1706. Compared 320775 event pairs, 21000 based on Foata normal form. 4/46622 useless extension candidates. Maximal degree in co-relation 116990. Up to 46495 conditions per place. [2024-06-27 22:23:26,541 INFO L140 encePairwiseOnDemand]: 46/59 looper letters, 93 selfloop transitions, 29 changer transitions 3/137 dead transitions. [2024-06-27 22:23:26,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 137 transitions, 714 flow [2024-06-27 22:23:26,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:23:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:23:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 230 transitions. [2024-06-27 22:23:26,548 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5569007263922519 [2024-06-27 22:23:26,548 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 241 flow. Second operand 7 states and 230 transitions. [2024-06-27 22:23:26,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 137 transitions, 714 flow [2024-06-27 22:23:26,554 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 137 transitions, 690 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-06-27 22:23:26,556 INFO L231 Difference]: Finished difference. Result has 78 places, 82 transitions, 402 flow [2024-06-27 22:23:26,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=402, PETRI_PLACES=78, PETRI_TRANSITIONS=82} [2024-06-27 22:23:26,557 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 11 predicate places. [2024-06-27 22:23:26,557 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 82 transitions, 402 flow [2024-06-27 22:23:26,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states 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 22:23:26,558 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:26,558 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:23:26,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:23:26,558 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:23:26,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:26,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1756647344, now seen corresponding path program 1 times [2024-06-27 22:23:26,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:26,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758550668] [2024-06-27 22:23:26,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:26,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:28,451 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 22:23:28,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:28,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758550668] [2024-06-27 22:23:28,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758550668] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:28,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:28,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:23:28,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031235156] [2024-06-27 22:23:28,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:28,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:23:28,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:28,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:23:28,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:23:28,559 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:23:28,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 82 transitions, 402 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 22:23:28,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:28,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:23:28,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:23:33,545 INFO L124 PetriNetUnfolderBase]: 35293/48957 cut-off events. [2024-06-27 22:23:33,545 INFO L125 PetriNetUnfolderBase]: For 45328/45328 co-relation queries the response was YES. [2024-06-27 22:23:33,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129039 conditions, 48957 events. 35293/48957 cut-off events. For 45328/45328 co-relation queries the response was YES. Maximal size of possible extension queue 1707. Compared 321488 event pairs, 18406 based on Foata normal form. 8/46617 useless extension candidates. Maximal degree in co-relation 129019. Up to 46413 conditions per place. [2024-06-27 22:23:33,817 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 103 selfloop transitions, 31 changer transitions 4/151 dead transitions. [2024-06-27 22:23:33,818 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 151 transitions, 864 flow [2024-06-27 22:23:33,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:23:33,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:23:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 250 transitions. [2024-06-27 22:23:33,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6053268765133172 [2024-06-27 22:23:33,819 INFO L175 Difference]: Start difference. First operand has 78 places, 82 transitions, 402 flow. Second operand 7 states and 250 transitions. [2024-06-27 22:23:33,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 151 transitions, 864 flow [2024-06-27 22:23:33,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 151 transitions, 829 flow, removed 12 selfloop flow, removed 2 redundant places. [2024-06-27 22:23:33,834 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 461 flow [2024-06-27 22:23:33,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=461, PETRI_PLACES=82, PETRI_TRANSITIONS=84} [2024-06-27 22:23:33,835 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 15 predicate places. [2024-06-27 22:23:33,836 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 461 flow [2024-06-27 22:23:33,836 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 22:23:33,836 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:33,836 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:23:33,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:23:33,837 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:23:33,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:33,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1803922633, now seen corresponding path program 1 times [2024-06-27 22:23:33,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:33,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590728654] [2024-06-27 22:23:33,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:33,896 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 22:23:33,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:33,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590728654] [2024-06-27 22:23:33,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590728654] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:33,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:33,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:23:33,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21189331] [2024-06-27 22:23:33,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:33,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:23:33,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:33,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:23:33,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:23:33,931 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 59 [2024-06-27 22:23:33,932 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 84 transitions, 461 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 22:23:33,932 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:33,932 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 59 [2024-06-27 22:23:33,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:23:35,408 INFO L124 PetriNetUnfolderBase]: 7179/12708 cut-off events. [2024-06-27 22:23:35,408 INFO L125 PetriNetUnfolderBase]: For 5776/5908 co-relation queries the response was YES. [2024-06-27 22:23:35,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28541 conditions, 12708 events. 7179/12708 cut-off events. For 5776/5908 co-relation queries the response was YES. Maximal size of possible extension queue 759. Compared 106979 event pairs, 4346 based on Foata normal form. 10/11579 useless extension candidates. Maximal degree in co-relation 28520. Up to 8614 conditions per place. [2024-06-27 22:23:35,480 INFO L140 encePairwiseOnDemand]: 56/59 looper letters, 48 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2024-06-27 22:23:35,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 104 transitions, 611 flow [2024-06-27 22:23:35,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:23:35,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:23:35,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-06-27 22:23:35,481 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2024-06-27 22:23:35,481 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 461 flow. Second operand 3 states and 141 transitions. [2024-06-27 22:23:35,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 104 transitions, 611 flow [2024-06-27 22:23:35,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 104 transitions, 535 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-06-27 22:23:35,487 INFO L231 Difference]: Finished difference. Result has 78 places, 83 transitions, 389 flow [2024-06-27 22:23:35,487 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=59, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=389, PETRI_PLACES=78, PETRI_TRANSITIONS=83} [2024-06-27 22:23:35,488 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 11 predicate places. [2024-06-27 22:23:35,488 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 83 transitions, 389 flow [2024-06-27 22:23:35,488 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 22:23:35,488 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:23:35,488 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:23:35,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:23:35,489 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 22:23:35,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:23:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash -584643660, now seen corresponding path program 1 times [2024-06-27 22:23:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:23:35,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973363419] [2024-06-27 22:23:35,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:23:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:23:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:23:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:23:37,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:23:37,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973363419] [2024-06-27 22:23:37,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973363419] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:23:37,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:23:37,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:23:37,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51030178] [2024-06-27 22:23:37,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:23:37,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:23:37,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:23:37,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:23:37,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:23:37,599 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 59 [2024-06-27 22:23:37,600 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 83 transitions, 389 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-06-27 22:23:37,600 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:23:37,600 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 59 [2024-06-27 22:23:37,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand