./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix043.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/mix043.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/mix043.oepc.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix043.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 22:24:58,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-06-27 22:24:58,518 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-06-27 22:24:58,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-06-27 22:24:58,524 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-06-27 22:24:58,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-06-27 22:24:58,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-06-27 22:24:58,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-06-27 22:24:58,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-06-27 22:24:58,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-06-27 22:24:58,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-06-27 22:24:58,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-06-27 22:24:58,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-06-27 22:24:58,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-06-27 22:24:58,553 INFO L153 SettingsManager]: * Use SBE=true [2024-06-27 22:24:58,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-06-27 22:24:58,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-06-27 22:24:58,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-06-27 22:24:58,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-06-27 22:24:58,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-06-27 22:24:58,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-06-27 22:24:58,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-06-27 22:24:58,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-06-27 22:24:58,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-06-27 22:24:58,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-06-27 22:24:58,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-06-27 22:24:58,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-06-27 22:24:58,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-06-27 22:24:58,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-06-27 22:24:58,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-06-27 22:24:58,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-06-27 22:24:58,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-06-27 22:24:58,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:24:58,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-06-27 22:24:58,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-06-27 22:24:58,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-06-27 22:24:58,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-06-27 22:24:58,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-06-27 22:24:58,560 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-06-27 22:24:58,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-06-27 22:24:58,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-06-27 22:24:58,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-06-27 22:24:58,779 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-06-27 22:24:58,788 INFO L274 PluginConnector]: Witness Parser initialized [2024-06-27 22:24:58,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/mix043.oepc.yml/witness.yml [2024-06-27 22:24:58,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-06-27 22:24:58,895 INFO L274 PluginConnector]: CDTParser initialized [2024-06-27 22:24:58,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043.oepc.i [2024-06-27 22:24:59,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-06-27 22:25:00,144 INFO L384 CDTParser]: Found 1 translation units. [2024-06-27 22:25:00,144 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043.oepc.i [2024-06-27 22:25:00,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a955d4a3e/c7125fdf963641f1be167aa79c473906/FLAG7fe757e10 [2024-06-27 22:25:00,168 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a955d4a3e/c7125fdf963641f1be167aa79c473906 [2024-06-27 22:25:00,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-06-27 22:25:00,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-06-27 22:25:00,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-06-27 22:25:00,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-06-27 22:25:00,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-06-27 22:25:00,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:24:58" (1/2) ... [2024-06-27 22:25:00,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735aec0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:25:00, skipping insertion in model container [2024-06-27 22:25:00,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:24:58" (1/2) ... [2024-06-27 22:25:00,176 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1673d85d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.06 10:25:00, skipping insertion in model container [2024-06-27 22:25:00,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:25:00" (2/2) ... [2024-06-27 22:25:00,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735aec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00, skipping insertion in model container [2024-06-27 22:25:00,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.06 10:25:00" (2/2) ... [2024-06-27 22:25:00,177 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-06-27 22:25:00,197 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-06-27 22:25:00,198 INFO L97 edCorrectnessWitness]: Location invariant before [L879-L879] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_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 22:25:00,198 INFO L97 edCorrectnessWitness]: Location invariant before [L874-L874] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_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 22:25:00,198 INFO L97 edCorrectnessWitness]: Location invariant before [L876-L876] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_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 22:25:00,199 INFO L97 edCorrectnessWitness]: Location invariant before [L878-L878] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p1_EAX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p3_EAX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b >= 0LL) && (0LL - (long long )__unbuffered_p3_EBX) + (long long )b$mem_tmp >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$flush_delayed) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$r_buff0_thd1 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff0_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd0) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff1 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd2) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd3) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$r_buff1_thd4) + (long long )b$w_buff0_used >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0 >= 0LL) && (0LL - (long long )b$read_delayed) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff0_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$r_buff1_thd1) + (long long )b$w_buff0_used >= 0LL) && (1LL - (long long )b$w_buff0) + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_cnt + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_cnt + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p0_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$r_buff0_thd1 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0 >= 0LL) && (long long )__unbuffered_p1_EAX + (long long )b$w_buff0_used >= 0LL) && (long long )__unbuffered_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 22:25:00,199 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-06-27 22:25:00,199 INFO L106 edCorrectnessWitness]: ghost_update [L872-L872] multithreaded = 1; [2024-06-27 22:25:00,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-06-27 22:25:00,371 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/mix043.oepc.i[945,958] [2024-06-27 22:25:00,502 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:25:00,578 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-06-27 22:25:00,628 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/mix043.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-06-27 22:25:00,841 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-06-27 22:25:00,875 INFO L206 MainTranslator]: Completed translation [2024-06-27 22:25:00,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00 WrapperNode [2024-06-27 22:25:00,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-06-27 22:25:00,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-06-27 22:25:00,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-06-27 22:25:00,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-06-27 22:25:00,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:00,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:00,960 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2024-06-27 22:25:00,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-06-27 22:25:00,961 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-06-27 22:25:00,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-06-27 22:25:00,962 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-06-27 22:25:00,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:00,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:00,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,022 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 22:25:01,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-06-27 22:25:01,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-06-27 22:25:01,065 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-06-27 22:25:01,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-06-27 22:25:01,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (1/1) ... [2024-06-27 22:25:01,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-06-27 22:25:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-06-27 22:25:01,105 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 22:25:01,124 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 22:25:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-06-27 22:25:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-06-27 22:25:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-06-27 22:25:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-06-27 22:25:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-06-27 22:25:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-06-27 22:25:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-06-27 22:25:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-06-27 22:25:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-06-27 22:25:01,138 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-06-27 22:25:01,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-06-27 22:25:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-06-27 22:25:01,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-06-27 22:25:01,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-06-27 22:25:01,140 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 22:25:01,284 INFO L244 CfgBuilder]: Building ICFG [2024-06-27 22:25:01,286 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-06-27 22:25:01,883 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-06-27 22:25:01,884 INFO L293 CfgBuilder]: Performing block encoding [2024-06-27 22:25:02,090 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-06-27 22:25:02,091 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-06-27 22:25:02,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:25:02 BoogieIcfgContainer [2024-06-27 22:25:02,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-06-27 22:25:02,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-06-27 22:25:02,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-06-27 22:25:02,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-06-27 22:25:02,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.06 10:24:58" (1/4) ... [2024-06-27 22:25:02,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f1b448 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.06 10:25:02, skipping insertion in model container [2024-06-27 22:25:02,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.06 10:25:00" (2/4) ... [2024-06-27 22:25:02,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f1b448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:25:02, skipping insertion in model container [2024-06-27 22:25:02,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.06 10:25:00" (3/4) ... [2024-06-27 22:25:02,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f1b448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.06 10:25:02, skipping insertion in model container [2024-06-27 22:25:02,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.06 10:25:02" (4/4) ... [2024-06-27 22:25:02,102 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.oepc.i [2024-06-27 22:25:02,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-06-27 22:25:02,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-06-27 22:25:02,116 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-06-27 22:25:02,188 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-06-27 22:25:02,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:25:02,264 INFO L124 PetriNetUnfolderBase]: 1/55 cut-off events. [2024-06-27 22:25:02,265 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:25:02,268 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 22:25:02,268 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 59 transitions, 134 flow [2024-06-27 22:25:02,272 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 55 transitions, 122 flow [2024-06-27 22:25:02,284 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-06-27 22:25:02,291 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;@57799ebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-06-27 22:25:02,291 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-06-27 22:25:02,296 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-06-27 22:25:02,296 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-06-27 22:25:02,296 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-06-27 22:25:02,297 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:02,297 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-06-27 22:25:02,298 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 22:25:02,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:02,304 INFO L85 PathProgramCache]: Analyzing trace with hash 386818320, now seen corresponding path program 1 times [2024-06-27 22:25:02,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:02,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029896157] [2024-06-27 22:25:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:03,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:25:03,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:03,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029896157] [2024-06-27 22:25:03,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029896157] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:03,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:03,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:25:03,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902045239] [2024-06-27 22:25:03,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:03,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:25:03,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:03,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:25:03,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:25:03,947 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:25:03,950 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 22:25:03,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:03,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:25:03,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:08,473 INFO L124 PetriNetUnfolderBase]: 29988/43642 cut-off events. [2024-06-27 22:25:08,473 INFO L125 PetriNetUnfolderBase]: For 211/211 co-relation queries the response was YES. [2024-06-27 22:25:08,551 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83726 conditions, 43642 events. 29988/43642 cut-off events. For 211/211 co-relation queries the response was YES. Maximal size of possible extension queue 1587. Compared 306495 event pairs, 25791 based on Foata normal form. 1080/41605 useless extension candidates. Maximal degree in co-relation 83713. Up to 39635 conditions per place. [2024-06-27 22:25:08,706 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 53 selfloop transitions, 5 changer transitions 0/72 dead transitions. [2024-06-27 22:25:08,706 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 72 transitions, 281 flow [2024-06-27 22:25:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:25:08,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:25:08,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-06-27 22:25:08,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.672316384180791 [2024-06-27 22:25:08,717 INFO L175 Difference]: Start difference. First operand has 67 places, 55 transitions, 122 flow. Second operand 3 states and 119 transitions. [2024-06-27 22:25:08,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 72 transitions, 281 flow [2024-06-27 22:25:08,721 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 22:25:08,725 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 157 flow [2024-06-27 22:25:08,726 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 22:25:08,729 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, -1 predicate places. [2024-06-27 22:25:08,729 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 157 flow [2024-06-27 22:25:08,729 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 22:25:08,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:08,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:08,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-06-27 22:25:08,730 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 22:25:08,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:08,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1928908936, now seen corresponding path program 1 times [2024-06-27 22:25:08,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:08,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308691041] [2024-06-27 22:25:08,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:08,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:10,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-06-27 22:25:10,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:10,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308691041] [2024-06-27 22:25:10,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308691041] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:10,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:10,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-06-27 22:25:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148357396] [2024-06-27 22:25:10,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:10,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-06-27 22:25:10,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:10,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-06-27 22:25:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-06-27 22:25:10,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 59 [2024-06-27 22:25:10,222 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 22:25:10,222 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:10,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 59 [2024-06-27 22:25:10,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:14,300 INFO L124 PetriNetUnfolderBase]: 29989/43631 cut-off events. [2024-06-27 22:25:14,301 INFO L125 PetriNetUnfolderBase]: For 6606/6606 co-relation queries the response was YES. [2024-06-27 22:25:14,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 93171 conditions, 43631 events. 29989/43631 cut-off events. For 6606/6606 co-relation queries the response was YES. Maximal size of possible extension queue 1584. Compared 306000 event pairs, 23823 based on Foata normal form. 4/40742 useless extension candidates. Maximal degree in co-relation 93159. Up to 39612 conditions per place. [2024-06-27 22:25:14,559 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 67 selfloop transitions, 10 changer transitions 1/92 dead transitions. [2024-06-27 22:25:14,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 92 transitions, 411 flow [2024-06-27 22:25:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-06-27 22:25:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-06-27 22:25:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 150 transitions. [2024-06-27 22:25:14,567 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.635593220338983 [2024-06-27 22:25:14,567 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 157 flow. Second operand 4 states and 150 transitions. [2024-06-27 22:25:14,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 92 transitions, 411 flow [2024-06-27 22:25:14,569 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 22:25:14,570 INFO L231 Difference]: Finished difference. Result has 70 places, 67 transitions, 241 flow [2024-06-27 22:25:14,570 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 22:25:14,571 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 3 predicate places. [2024-06-27 22:25:14,573 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 67 transitions, 241 flow [2024-06-27 22:25:14,574 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 22:25:14,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:14,574 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:14,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-06-27 22:25:14,580 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 22:25:14,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:14,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1744449207, now seen corresponding path program 1 times [2024-06-27 22:25:14,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:14,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125588344] [2024-06-27 22:25:14,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:16,465 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 22:25:16,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:16,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125588344] [2024-06-27 22:25:16,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125588344] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:16,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:16,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-06-27 22:25:16,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799458525] [2024-06-27 22:25:16,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:16,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-06-27 22:25:16,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:16,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-06-27 22:25:16,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-06-27 22:25:16,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:25:16,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 67 transitions, 241 flow. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 22:25:16,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:16,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:25:16,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:21,317 INFO L124 PetriNetUnfolderBase]: 35257/48705 cut-off events. [2024-06-27 22:25:21,317 INFO L125 PetriNetUnfolderBase]: For 21564/21564 co-relation queries the response was YES. [2024-06-27 22:25:21,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116626 conditions, 48705 events. 35257/48705 cut-off events. For 21564/21564 co-relation queries the response was YES. Maximal size of possible extension queue 1698. Compared 317492 event pairs, 20291 based on Foata normal form. 4/46394 useless extension candidates. Maximal degree in co-relation 116611. Up to 46415 conditions per place. [2024-06-27 22:25:21,567 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 93 selfloop transitions, 28 changer transitions 3/137 dead transitions. [2024-06-27 22:25:21,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 137 transitions, 712 flow [2024-06-27 22:25:21,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-06-27 22:25:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-06-27 22:25:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 219 transitions. [2024-06-27 22:25:21,570 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6186440677966102 [2024-06-27 22:25:21,570 INFO L175 Difference]: Start difference. First operand has 70 places, 67 transitions, 241 flow. Second operand 6 states and 219 transitions. [2024-06-27 22:25:21,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 137 transitions, 712 flow [2024-06-27 22:25:21,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 137 transitions, 688 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-06-27 22:25:21,574 INFO L231 Difference]: Finished difference. Result has 77 places, 82 transitions, 400 flow [2024-06-27 22:25:21,575 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=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=400, PETRI_PLACES=77, PETRI_TRANSITIONS=82} [2024-06-27 22:25:21,575 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 10 predicate places. [2024-06-27 22:25:21,575 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 82 transitions, 400 flow [2024-06-27 22:25:21,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 0 states have call successors, (0), 0 states 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 22:25:21,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:21,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:21,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-06-27 22:25:21,576 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 22:25:21,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash 823544122, now seen corresponding path program 1 times [2024-06-27 22:25:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:21,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785569818] [2024-06-27 22:25:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:21,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:23,325 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 22:25:23,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:23,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785569818] [2024-06-27 22:25:23,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785569818] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:23,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:23,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-06-27 22:25:23,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453444038] [2024-06-27 22:25:23,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:23,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-06-27 22:25:23,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:23,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-06-27 22:25:23,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-06-27 22:25:23,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 59 [2024-06-27 22:25:23,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 82 transitions, 400 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 22:25:23,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:23,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 59 [2024-06-27 22:25:23,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:28,374 INFO L124 PetriNetUnfolderBase]: 35241/48648 cut-off events. [2024-06-27 22:25:28,374 INFO L125 PetriNetUnfolderBase]: For 45762/45762 co-relation queries the response was YES. [2024-06-27 22:25:28,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128590 conditions, 48648 events. 35241/48648 cut-off events. For 45762/45762 co-relation queries the response was YES. Maximal size of possible extension queue 1693. Compared 316099 event pairs, 18411 based on Foata normal form. 8/46347 useless extension candidates. Maximal degree in co-relation 128571. Up to 46333 conditions per place. [2024-06-27 22:25:28,676 INFO L140 encePairwiseOnDemand]: 47/59 looper letters, 103 selfloop transitions, 31 changer transitions 4/151 dead transitions. [2024-06-27 22:25:28,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 151 transitions, 862 flow [2024-06-27 22:25:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-06-27 22:25:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-06-27 22:25:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 250 transitions. [2024-06-27 22:25:28,678 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6053268765133172 [2024-06-27 22:25:28,678 INFO L175 Difference]: Start difference. First operand has 77 places, 82 transitions, 400 flow. Second operand 7 states and 250 transitions. [2024-06-27 22:25:28,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 151 transitions, 862 flow [2024-06-27 22:25:28,692 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 151 transitions, 829 flow, removed 12 selfloop flow, removed 1 redundant places. [2024-06-27 22:25:28,695 INFO L231 Difference]: Finished difference. Result has 82 places, 84 transitions, 461 flow [2024-06-27 22:25:28,696 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 22:25:28,697 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 15 predicate places. [2024-06-27 22:25:28,698 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 84 transitions, 461 flow [2024-06-27 22:25:28,698 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 22:25:28,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:28,698 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:28,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-06-27 22:25:28,699 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 22:25:28,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:28,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1803922633, now seen corresponding path program 1 times [2024-06-27 22:25:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:28,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801279510] [2024-06-27 22:25:28,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:28,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:28,761 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 22:25:28,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:28,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801279510] [2024-06-27 22:25:28,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801279510] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:28,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:28,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-06-27 22:25:28,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868296681] [2024-06-27 22:25:28,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:28,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-06-27 22:25:28,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:28,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-06-27 22:25:28,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-06-27 22:25:28,785 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 59 [2024-06-27 22:25:28,786 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 22:25:28,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:28,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 59 [2024-06-27 22:25:28,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:30,272 INFO L124 PetriNetUnfolderBase]: 7229/12696 cut-off events. [2024-06-27 22:25:30,273 INFO L125 PetriNetUnfolderBase]: For 5581/5801 co-relation queries the response was YES. [2024-06-27 22:25:30,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28401 conditions, 12696 events. 7229/12696 cut-off events. For 5581/5801 co-relation queries the response was YES. Maximal size of possible extension queue 766. Compared 105792 event pairs, 4669 based on Foata normal form. 12/11577 useless extension candidates. Maximal degree in co-relation 28380. Up to 8748 conditions per place. [2024-06-27 22:25:30,358 INFO L140 encePairwiseOnDemand]: 56/59 looper letters, 48 selfloop transitions, 4 changer transitions 0/104 dead transitions. [2024-06-27 22:25:30,358 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 104 transitions, 611 flow [2024-06-27 22:25:30,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-06-27 22:25:30,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-06-27 22:25:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-06-27 22:25:30,359 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7966101694915254 [2024-06-27 22:25:30,360 INFO L175 Difference]: Start difference. First operand has 82 places, 84 transitions, 461 flow. Second operand 3 states and 141 transitions. [2024-06-27 22:25:30,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 104 transitions, 611 flow [2024-06-27 22:25:30,367 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 22:25:30,368 INFO L231 Difference]: Finished difference. Result has 78 places, 83 transitions, 389 flow [2024-06-27 22:25:30,369 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 22:25:30,369 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 11 predicate places. [2024-06-27 22:25:30,369 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 83 transitions, 389 flow [2024-06-27 22:25:30,370 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 22:25:30,370 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:30,370 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:30,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-06-27 22:25:30,370 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 22:25:30,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:30,371 INFO L85 PathProgramCache]: Analyzing trace with hash -583779690, now seen corresponding path program 1 times [2024-06-27 22:25:30,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:30,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99911655] [2024-06-27 22:25:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:30,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-06-27 22:25:32,376 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 22:25:32,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-06-27 22:25:32,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99911655] [2024-06-27 22:25:32,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99911655] provided 1 perfect and 0 imperfect interpolant sequences [2024-06-27 22:25:32,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-06-27 22:25:32,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-06-27 22:25:32,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146758093] [2024-06-27 22:25:32,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-06-27 22:25:32,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-06-27 22:25:32,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-06-27 22:25:32,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-06-27 22:25:32,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-06-27 22:25:32,503 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 59 [2024-06-27 22:25:32,503 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 22:25:32,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-06-27 22:25:32,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 59 [2024-06-27 22:25:32,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-06-27 22:25:37,862 INFO L124 PetriNetUnfolderBase]: 34185/49773 cut-off events. [2024-06-27 22:25:37,865 INFO L125 PetriNetUnfolderBase]: For 74614/74614 co-relation queries the response was YES. [2024-06-27 22:25:38,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134656 conditions, 49773 events. 34185/49773 cut-off events. For 74614/74614 co-relation queries the response was YES. Maximal size of possible extension queue 1663. Compared 349753 event pairs, 23032 based on Foata normal form. 6/48348 useless extension candidates. Maximal degree in co-relation 134634. Up to 45040 conditions per place. [2024-06-27 22:25:38,188 INFO L140 encePairwiseOnDemand]: 48/59 looper letters, 85 selfloop transitions, 16 changer transitions 3/115 dead transitions. [2024-06-27 22:25:38,189 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 115 transitions, 703 flow [2024-06-27 22:25:38,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-06-27 22:25:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-06-27 22:25:38,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 156 transitions. [2024-06-27 22:25:38,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5288135593220339 [2024-06-27 22:25:38,190 INFO L175 Difference]: Start difference. First operand has 78 places, 83 transitions, 389 flow. Second operand 5 states and 156 transitions. [2024-06-27 22:25:38,190 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 115 transitions, 703 flow [2024-06-27 22:25:38,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 115 transitions, 691 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-06-27 22:25:38,210 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 474 flow [2024-06-27 22:25:38,210 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=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=474, PETRI_PLACES=82, PETRI_TRANSITIONS=88} [2024-06-27 22:25:38,213 INFO L281 CegarLoopForPetriNet]: 67 programPoint places, 15 predicate places. [2024-06-27 22:25:38,213 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 474 flow [2024-06-27 22:25:38,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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 22:25:38,219 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-06-27 22:25:38,219 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-06-27 22:25:38,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-06-27 22:25:38,220 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (and 8 more)] === [2024-06-27 22:25:38,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-06-27 22:25:38,220 INFO L85 PathProgramCache]: Analyzing trace with hash -343133288, now seen corresponding path program 1 times [2024-06-27 22:25:38,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-06-27 22:25:38,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761632180] [2024-06-27 22:25:38,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-06-27 22:25:38,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-06-27 22:25:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat