./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.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/safe006_power.opt-thin000_power.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/safe006_power.opt-thin000_power.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_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-2cc22fc-m [2024-07-22 18:08:52,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 18:08:52,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 18:08:52,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 18:08:52,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 18:08:52,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 18:08:52,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 18:08:52,822 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 18:08:52,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 18:08:52,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 18:08:52,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 18:08:52,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 18:08:52,825 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 18:08:52,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 18:08:52,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 18:08:52,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 18:08:52,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 18:08:52,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 18:08:52,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 18:08:52,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 18:08:52,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 18:08:52,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 18:08:52,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 18:08:52,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 18:08:52,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 18:08:52,834 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 18:08:52,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 18:08:52,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 18:08:52,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 18:08:52,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 18:08:52,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 18:08:52,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 18:08:52,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 18:08:52,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 18:08:52,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 18:08:52,838 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 18:08:52,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 18:08:52,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 18:08:52,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 18:08:52,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 18:08:52,839 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 18:08:52,839 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 18:08:52,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-07-22 18:08:53,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 18:08:53,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 18:08:53,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 18:08:53,159 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 18:08:53,160 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 18:08:53,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-rel/safe006_power.opt-thin000_power.opt.yml/witness.yml [2024-07-22 18:08:53,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 18:08:53,242 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 18:08:53,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2024-07-22 18:08:54,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 18:08:54,643 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 18:08:54,644 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2024-07-22 18:08:54,659 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a5d02daa/109ef001eefd4cab98aee58172ed9a9a/FLAG0624d198f [2024-07-22 18:08:54,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5a5d02daa/109ef001eefd4cab98aee58172ed9a9a [2024-07-22 18:08:54,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 18:08:54,681 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 18:08:54,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 18:08:54,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 18:08:54,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 18:08:54,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:08:53" (1/2) ... [2024-07-22 18:08:54,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f0dd8b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:08:54, skipping insertion in model container [2024-07-22 18:08:54,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:08:53" (1/2) ... [2024-07-22 18:08:54,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f42b35d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 06:08:54, skipping insertion in model container [2024-07-22 18:08:54,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:08:54" (2/2) ... [2024-07-22 18:08:54,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f0dd8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:54, skipping insertion in model container [2024-07-22 18:08:54,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 06:08:54" (2/2) ... [2024-07-22 18:08:54,697 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 18:08:54,736 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 18:08:54,737 INFO L97 edCorrectnessWitness]: Location invariant before [L829-L829] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )y >= 0LL && (0LL - (long long )x) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$mem_tmp) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )x) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )x) + (long long )y >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )y >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$read_delayed) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )x >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )x$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice1) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )x) - (long long )x$mem_tmp >= 0LL) && (2LL - (long long )x) - (long long )x$r_buff0_thd1 >= 0LL) && (2LL - (long long )x) - (long long )x$r_buff1_thd1 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff0 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff0_used >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff1 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff1_used >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff0 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff0_used >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )weak$$choice2 >= 0LL) && (long long )x - (long long )x$mem_tmp >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-07-22 18:08:54,738 INFO L97 edCorrectnessWitness]: Location invariant before [L828-L828] ! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )y >= 0LL && (0LL - (long long )x) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd1 >= 0LL) && (0LL - (long long )x$mem_tmp) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff0_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff0 >= 0LL) && (0LL - (long long )x$r_buff1_thd1) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x) + (long long )x$flush_delayed >= 0LL) && (1LL - (long long )x) + (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )x) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )x) + (long long )y >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd1 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff0_used >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff1 >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )x$w_buff1_used >= 0LL) && (1LL - (long long )x$mem_tmp) + (long long )y >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$read_delayed) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )x >= 0LL) && (1LL + (long long )main$tmp_guard1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )x$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice0) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice1) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice1) - (long long )x$mem_tmp >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )x >= 0LL) && (1LL + (long long )weak$$choice2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$mem_tmp) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff0_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$r_buff1_thd2) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff0_used) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EAX$w_buff1_used) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x) - (long long )x$flush_delayed >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x) - (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x) - (long long )x$read_delayed >= 0LL) && (1LL - (long long )x$flush_delayed) - (long long )x$mem_tmp >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd0 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd2 >= 0LL) && (1LL - (long long )x$mem_tmp) - (long long )x$read_delayed >= 0LL) && (2LL - (long long )x) - (long long )x$mem_tmp >= 0LL) && (2LL - (long long )x) - (long long )x$r_buff0_thd1 >= 0LL) && (2LL - (long long )x) - (long long )x$r_buff1_thd1 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff0 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff0_used >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff1 >= 0LL) && (2LL - (long long )x) - (long long )x$w_buff1_used >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$r_buff0_thd1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$r_buff1_thd1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff0 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff0_used >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff1 >= 0LL) && (2LL - (long long )x$mem_tmp) - (long long )x$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )x$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )weak$$choice0 >= 0LL) && (long long )__unbuffered_p1_EAX$read_delayed - (long long )weak$$choice2 >= 0LL) && (long long )x - (long long )x$mem_tmp >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$r_buff1_thd1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff0 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff0_used >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff0_thd1 - (long long )x$w_buff1_used >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$w_buff1 >= 0LL) && (long long )x$r_buff1_thd1 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff0_used >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1 >= 0LL) && (long long )x$w_buff0 - (long long )x$w_buff1_used >= 0LL) && (long long )x$w_buff1 - (long long )x$w_buff1_used >= 0LL) [2024-07-22 18:08:54,738 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 18:08:54,739 INFO L106 edCorrectnessWitness]: ghost_update [L826-L826] multithreaded = 1; [2024-07-22 18:08:54,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 18:08:54,977 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/safe006_power.opt-thin000_power.opt.i[969,982] [2024-07-22 18:08:55,171 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:08:55,192 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-07-22 18:08:55,232 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/safe006_power.opt-thin000_power.opt.i[969,982] Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 18:08:55,432 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 18:08:55,478 INFO L206 MainTranslator]: Completed translation [2024-07-22 18:08:55,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55 WrapperNode [2024-07-22 18:08:55,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 18:08:55,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 18:08:55,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 18:08:55,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 18:08:55,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,590 INFO L138 Inliner]: procedures = 174, calls = 168, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 517 [2024-07-22 18:08:55,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 18:08:55,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 18:08:55,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 18:08:55,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 18:08:55,646 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,739 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 18:08:55,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 18:08:55,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 18:08:55,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 18:08:55,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (1/1) ... [2024-07-22 18:08:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 18:08:55,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 18:08:55,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-07-22 18:08:55,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-07-22 18:08:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-07-22 18:08:55,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-07-22 18:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 18:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 18:08:55,825 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-07-22 18:08:55,825 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-07-22 18:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-07-22 18:08:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-07-22 18:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 18:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 18:08:55,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 18:08:55,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 18:08:55,832 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 18:08:56,013 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 18:08:56,015 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 18:08:56,810 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 18:08:56,811 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 18:08:58,742 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 18:08:58,743 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-07-22 18:08:58,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:08:58 BoogieIcfgContainer [2024-07-22 18:08:58,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 18:08:58,791 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 18:08:58,791 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 18:08:58,794 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 18:08:58,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 06:08:53" (1/4) ... [2024-07-22 18:08:58,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fea9d55 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 06:08:58, skipping insertion in model container [2024-07-22 18:08:58,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 06:08:54" (2/4) ... [2024-07-22 18:08:58,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fea9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:08:58, skipping insertion in model container [2024-07-22 18:08:58,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 06:08:55" (3/4) ... [2024-07-22 18:08:58,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fea9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 06:08:58, skipping insertion in model container [2024-07-22 18:08:58,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 06:08:58" (4/4) ... [2024-07-22 18:08:58,797 INFO L112 eAbstractionObserver]: Analyzing ICFG safe006_power.opt-thin000_power.opt.i [2024-07-22 18:08:58,817 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 18:08:58,817 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-07-22 18:08:58,818 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 18:08:58,874 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-07-22 18:08:58,918 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 18:08:58,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 18:08:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 18:08:58,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-07-22 18:08:58,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-07-22 18:08:58,955 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 18:08:58,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 18:08:58,972 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=PARTIAL_ORDER_FA, 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;@a360b15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 18:08:58,972 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-07-22 18:08:59,186 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:08:59,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:08:59,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1286479795, now seen corresponding path program 1 times [2024-07-22 18:08:59,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:08:59,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561249530] [2024-07-22 18:08:59,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:08:59,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:08:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 18:09:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 18:09:04,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 18:09:04,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561249530] [2024-07-22 18:09:04,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561249530] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 18:09:04,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 18:09:04,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 18:09:04,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026151278] [2024-07-22 18:09:04,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 18:09:04,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 18:09:04,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 18:09:04,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 18:09:04,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 18:09:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:05,002 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 18:09:05,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 18:09:05,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:05,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:05,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 18:09:05,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:09:05,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:09:05,330 INFO L85 PathProgramCache]: Analyzing trace with hash 962465324, now seen corresponding path program 1 times [2024-07-22 18:09:05,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:09:05,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725591138] [2024-07-22 18:09:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:09:05,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:09:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 18:09:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 18:09:15,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 18:09:15,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725591138] [2024-07-22 18:09:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725591138] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 18:09:15,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 18:09:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 18:09:15,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679643719] [2024-07-22 18:09:15,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 18:09:15,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 18:09:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 18:09:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 18:09:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-07-22 18:09:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:15,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 18:09:15,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 18:09:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:15,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:16,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:16,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 18:09:16,072 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:09:16,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:09:16,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1402958007, now seen corresponding path program 1 times [2024-07-22 18:09:16,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:09:16,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448626896] [2024-07-22 18:09:16,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:09:16,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:09:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 18:09:16,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 18:09:16,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 18:09:16,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448626896] [2024-07-22 18:09:16,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448626896] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 18:09:16,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 18:09:16,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 18:09:16,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375149581] [2024-07-22 18:09:16,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 18:09:16,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 18:09:16,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 18:09:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 18:09:16,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-07-22 18:09:16,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:16,338 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 18:09:16,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 18:09:16,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:16,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:16,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:16,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:16,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 18:09:16,534 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:09:16,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:09:16,534 INFO L85 PathProgramCache]: Analyzing trace with hash 492948682, now seen corresponding path program 1 times [2024-07-22 18:09:16,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:09:16,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677915692] [2024-07-22 18:09:16,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:09:16,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:09:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 18:09:18,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 18:09:18,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 18:09:18,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677915692] [2024-07-22 18:09:18,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677915692] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 18:09:18,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 18:09:18,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-07-22 18:09:18,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804289111] [2024-07-22 18:09:18,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 18:09:18,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-07-22 18:09:18,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 18:09:18,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-07-22 18:09:18,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-07-22 18:09:18,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:18,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 18:09:18,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 18:09:18,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:18,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:18,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:18,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:18,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 18:09:18,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 18:09:18,680 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:09:18,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:09:18,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1481801323, now seen corresponding path program 1 times [2024-07-22 18:09:18,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:09:18,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138044037] [2024-07-22 18:09:18,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:09:18,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:09:18,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 18:09:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 18:09:18,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 18:09:18,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138044037] [2024-07-22 18:09:18,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138044037] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 18:09:18,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 18:09:18,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 18:09:18,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143942034] [2024-07-22 18:09:18,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 18:09:18,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 18:09:18,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 18:09:18,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 18:09:18,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-07-22 18:09:18,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:18,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 18:09:18,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-07-22 18:09:18,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:18,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:18,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:18,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-07-22 18:09:18,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 18:09:19,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 18:09:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-07-22 18:09:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-07-22 18:09:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 18:09:19,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 18:09:19,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-07-22 18:09:19,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 18:09:19,128 INFO L85 PathProgramCache]: Analyzing trace with hash 877363542, now seen corresponding path program 1 times [2024-07-22 18:09:19,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 18:09:19,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84018550] [2024-07-22 18:09:19,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 18:09:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 18:09:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-22 18:09:19,191 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-07-22 18:09:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-07-22 18:09:19,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-07-22 18:09:19,291 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-07-22 18:09:19,292 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-07-22 18:09:19,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-07-22 18:09:19,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-07-22 18:09:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-07-22 18:09:19,294 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-07-22 18:09:19,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-07-22 18:09:19,304 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-07-22 18:09:19,306 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2024-07-22 18:09:19,309 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 18:09:19,310 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 18:09:19,430 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 18:09:19,430 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 18:09:19,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 06:09:19 BasicIcfg [2024-07-22 18:09:19,432 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 18:09:19,433 INFO L158 Benchmark]: Toolchain (without parser) took 24752.26ms. Allocated memory was 174.1MB in the beginning and 1.1GB in the end (delta: 954.2MB). Free memory was 113.8MB in the beginning and 482.2MB in the end (delta: -368.4MB). Peak memory consumption was 587.5MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,433 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:09:19,433 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 18:09:19,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.62ms. Allocated memory is still 174.1MB. Free memory was 113.5MB in the beginning and 77.1MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.26ms. Allocated memory is still 174.1MB. Free memory was 76.8MB in the beginning and 136.9MB in the end (delta: -60.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,434 INFO L158 Benchmark]: Boogie Preprocessor took 126.39ms. Allocated memory is still 174.1MB. Free memory was 136.9MB in the beginning and 132.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,435 INFO L158 Benchmark]: RCFGBuilder took 3003.94ms. Allocated memory was 174.1MB in the beginning and 346.0MB in the end (delta: 172.0MB). Free memory was 132.5MB in the beginning and 102.4MB in the end (delta: 30.1MB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,435 INFO L158 Benchmark]: TraceAbstraction took 20641.16ms. Allocated memory was 346.0MB in the beginning and 1.1GB in the end (delta: 782.2MB). Free memory was 276.4MB in the beginning and 482.2MB in the end (delta: -205.8MB). Peak memory consumption was 576.4MB. Max. memory is 16.1GB. [2024-07-22 18:09:19,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 174.1MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 174.1MB. Free memory is still 140.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.62ms. Allocated memory is still 174.1MB. Free memory was 113.5MB in the beginning and 77.1MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.26ms. Allocated memory is still 174.1MB. Free memory was 76.8MB in the beginning and 136.9MB in the end (delta: -60.1MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.39ms. Allocated memory is still 174.1MB. Free memory was 136.9MB in the beginning and 132.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3003.94ms. Allocated memory was 174.1MB in the beginning and 346.0MB in the end (delta: 172.0MB). Free memory was 132.5MB in the beginning and 102.4MB in the end (delta: 30.1MB). Peak memory consumption was 203.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20641.16ms. Allocated memory was 346.0MB in the beginning and 1.1GB in the end (delta: 782.2MB). Free memory was 276.4MB in the beginning and 482.2MB in the end (delta: -205.8MB). Peak memory consumption was 576.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 478, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 40, dependent conditional: 20, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 280, independent: 256, independent conditional: 1, independent unconditional: 255, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 280, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 29, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 561, independent: 97, independent conditional: 7, independent unconditional: 90, dependent: 463, dependent conditional: 59, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 466, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 280, unknown conditional: 5, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 256, Positive conditional cache size: 1, Positive unconditional cache size: 255, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 17 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 43, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 275, independent: 255, independent conditional: 0, independent unconditional: 255, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 478, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 40, dependent conditional: 20, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 461, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 461, independent: 438, independent conditional: 183, independent unconditional: 255, dependent: 23, dependent conditional: 3, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 466, independent: 438, independent conditional: 1, independent unconditional: 437, dependent: 28, dependent conditional: 4, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 280, independent: 256, independent conditional: 1, independent unconditional: 255, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 280, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 29, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 29, independent: 5, independent conditional: 1, independent unconditional: 4, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 561, independent: 97, independent conditional: 7, independent unconditional: 90, dependent: 463, dependent conditional: 59, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 466, independent: 182, independent conditional: 0, independent unconditional: 182, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 280, unknown conditional: 5, unknown unconditional: 275] , Statistics on independence cache: Total cache size (in pairs): 280, Positive cache size: 256, Positive conditional cache size: 1, Positive unconditional cache size: 255, Negative cache size: 24, Negative conditional cache size: 4, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 2, Independence queries for same thread: 17 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1] 0 //@ ghost int multithreaded = 0; [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L713] 0 _Bool __unbuffered_p1_EAX$flush_delayed; [L714] 0 int __unbuffered_p1_EAX$mem_tmp; [L715] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd0; [L716] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd1; [L717] 0 _Bool __unbuffered_p1_EAX$r_buff0_thd2; [L718] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd0; [L719] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd1; [L720] 0 _Bool __unbuffered_p1_EAX$r_buff1_thd2; [L721] 0 _Bool __unbuffered_p1_EAX$read_delayed; [L722] 0 int *__unbuffered_p1_EAX$read_delayed_var; [L723] 0 int __unbuffered_p1_EAX$w_buff0; [L724] 0 _Bool __unbuffered_p1_EAX$w_buff0_used; [L725] 0 int __unbuffered_p1_EAX$w_buff1; [L726] 0 _Bool __unbuffered_p1_EAX$w_buff1_used; [L727] 0 _Bool main$tmp_guard0; [L728] 0 _Bool main$tmp_guard1; [L730] 0 int x = 0; [L731] 0 _Bool x$flush_delayed; [L732] 0 int x$mem_tmp; [L733] 0 _Bool x$r_buff0_thd0; [L734] 0 _Bool x$r_buff0_thd1; [L735] 0 _Bool x$r_buff0_thd2; [L736] 0 _Bool x$r_buff1_thd0; [L737] 0 _Bool x$r_buff1_thd1; [L738] 0 _Bool x$r_buff1_thd2; [L739] 0 _Bool x$read_delayed; [L740] 0 int *x$read_delayed_var; [L741] 0 int x$w_buff0; [L742] 0 _Bool x$w_buff0_used; [L743] 0 int x$w_buff1; [L744] 0 _Bool x$w_buff1_used; [L746] 0 int y = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice1; [L749] 0 _Bool weak$$choice2; [L825] 0 pthread_t t1923; [L826] 0 //@ ghost multithreaded = 1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L826] FCALL, FORK 0 pthread_create(&t1923, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L827] 0 pthread_t t1924; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] FCALL 0 x [L828] 0 //@ assert (!multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long) __unbuffered_p0_EAX) + (long long) y) >= 0LL) && (((0LL - (long long) x) + (long long) x$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) x) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) x$mem_tmp) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff0_thd1) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff1_thd1) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff1_thd1) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$flush_delayed) >= 0LL)) && (((1LL - (long long) x) + (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x) + (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff0_used) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff1_used) >= 0LL)) && (((1LL - (long long) x) + (long long) y) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff0_used) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff1_used) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) y) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$read_delayed) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) main$tmp_guard1) - (long long) x) >= 0LL)) && (((1LL + (long long) main$tmp_guard1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) x$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice0) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice1) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice2) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x) - (long long) x$flush_delayed) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x) - (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$read_delayed) >= 0LL)) && (((2LL - (long long) x) - (long long) x$mem_tmp) >= 0LL)) && (((2LL - (long long) x) - (long long) x$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff0) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff0_used) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff1_used) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff0) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff0_used) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) x$mem_tmp) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) weak$$choice0) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) weak$$choice2) >= 0LL)) && (((long long) x - (long long) x$mem_tmp) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$r_buff1_thd1) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff0) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff0_used) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$r_buff1_thd1 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$r_buff1_thd1 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff0_used) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$w_buff1 - (long long) x$w_buff1_used) >= 0LL))); [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L828] FCALL, FORK 0 pthread_create(&t1924, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=0, __unbuffered_p1_EAX$read_delayed_var={0:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, t1924=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L781] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L782] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L783] 2 x$flush_delayed = weak$$choice2 [L784] EXPR 2 \read(x) [L784] 2 x$mem_tmp = x [L785] 2 weak$$choice1 = __VERIFIER_nondet_bool() [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] EXPR 2 \read(x) [L786] EXPR 2 !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L786] 2 x = !x$w_buff0_used ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x : (weak$$choice1 ? x$w_buff0 : x$w_buff1)) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$w_buff1 : x$w_buff0) : (weak$$choice0 ? x$w_buff0 : x)))) [L787] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)))) [L788] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)))) [L789] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 || !weak$$choice1 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : weak$$choice0)))) [L790] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? weak$$choice0 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L791] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L792] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (x$w_buff0_used && !x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (weak$$choice0 ? x$r_buff1_thd2 : (_Bool)0) : (x$w_buff0_used && x$r_buff1_thd2 && x$w_buff1_used && !x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)))) [L793] 2 __unbuffered_p1_EAX$read_delayed = (_Bool)1 [L794] 2 __unbuffered_p1_EAX$read_delayed_var = &x [L795] EXPR 2 \read(x) [L795] 2 __unbuffered_p1_EAX = x [L796] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L796] EXPR 2 \read(x) [L796] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L796] 2 x = x$flush_delayed ? x$mem_tmp : x [L797] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=0] [L800] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L803] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] EXPR 2 \read(x) [L803] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L803] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L803] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L804] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L805] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L806] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L807] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L810] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L812] 2 return 0; [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L828] 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] FCALL 0 x [L829] 0 //@ assert (!multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long) __unbuffered_p0_EAX) + (long long) y) >= 0LL) && (((0LL - (long long) x) + (long long) x$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) x) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) x$mem_tmp) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff0_thd1) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff1_thd1) + (long long) x$w_buff0) >= 0LL)) && (((0LL - (long long) x$r_buff1_thd1) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$flush_delayed) >= 0LL)) && (((1LL - (long long) x) + (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x) + (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff0_used) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x) + (long long) x$w_buff1_used) >= 0LL)) && (((1LL - (long long) x) + (long long) y) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff0_used) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff1) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) x$w_buff1_used) >= 0LL)) && (((1LL - (long long) x$mem_tmp) + (long long) y) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$read_delayed) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) main$tmp_guard1) - (long long) x) >= 0LL)) && (((1LL + (long long) main$tmp_guard1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) x$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice0) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice1) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL + (long long) weak$$choice2) - (long long) x) >= 0LL)) && (((1LL + (long long) weak$$choice2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$mem_tmp) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff0_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$r_buff1_thd2) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff0_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EAX$w_buff1_used) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x) - (long long) x$flush_delayed) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x) - (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x) - (long long) x$read_delayed) >= 0LL)) && (((1LL - (long long) x$flush_delayed) - (long long) x$mem_tmp) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) x$mem_tmp) - (long long) x$read_delayed) >= 0LL)) && (((2LL - (long long) x) - (long long) x$mem_tmp) >= 0LL)) && (((2LL - (long long) x) - (long long) x$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff0) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff0_used) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff1) >= 0LL)) && (((2LL - (long long) x) - (long long) x$w_buff1_used) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff0) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff0_used) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff1) >= 0LL)) && (((2LL - (long long) x$mem_tmp) - (long long) x$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) x$mem_tmp) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) weak$$choice0) >= 0LL)) && (((long long) __unbuffered_p1_EAX$read_delayed - (long long) weak$$choice2) >= 0LL)) && (((long long) x - (long long) x$mem_tmp) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$r_buff1_thd1) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff0) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff0_used) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$r_buff0_thd1 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$r_buff1_thd1 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$r_buff1_thd1 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff0_used) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff1) >= 0LL)) && (((long long) x$w_buff0 - (long long) x$w_buff1_used) >= 0LL)) && (((long long) x$w_buff1 - (long long) x$w_buff1_used) >= 0LL))); [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1923=-1, t1924=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L753] 1 __unbuffered_p0_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L756] 1 x$w_buff1 = x$w_buff0 [L757] 1 x$w_buff0 = 1 [L758] 1 x$w_buff1_used = x$w_buff0_used [L759] 1 x$w_buff0_used = (_Bool)1 [L760] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L760] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L761] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L762] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L763] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L764] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L767] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L767] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L768] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L769] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L770] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L771] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L774] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L829] 0 x [L830] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923=-1, t1924=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L832] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L832] RET 0 assume_abort_if_not(main$tmp_guard0) [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 \read(x) [L834] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L834] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L834] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L835] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L836] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L837] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L838] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923=-1, t1924=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L841] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 \read(*__unbuffered_p1_EAX$read_delayed_var) [L842] EXPR 0 weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX [L842] EXPR 0 __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L842] 0 __unbuffered_p1_EAX = __unbuffered_p1_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p1_EAX$read_delayed_var : __unbuffered_p1_EAX) : __unbuffered_p1_EAX [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p1_EAX == 1) VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1923=-1, t1924=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L845] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p1_EAX$flush_delayed=0, __unbuffered_p1_EAX$mem_tmp=0, __unbuffered_p1_EAX$r_buff0_thd0=0, __unbuffered_p1_EAX$r_buff0_thd1=0, __unbuffered_p1_EAX$r_buff0_thd2=0, __unbuffered_p1_EAX$r_buff1_thd0=0, __unbuffered_p1_EAX$r_buff1_thd1=0, __unbuffered_p1_EAX$r_buff1_thd2=0, __unbuffered_p1_EAX$read_delayed=1, __unbuffered_p1_EAX$read_delayed_var={3:0}, __unbuffered_p1_EAX$w_buff0=0, __unbuffered_p1_EAX$w_buff0_used=0, __unbuffered_p1_EAX$w_buff1=0, __unbuffered_p1_EAX$w_buff1_used=0, __unbuffered_p1_EAX=1, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x={3:0}, y=1] - UnprovableResult [Line: 828]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 53 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 20.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 2.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 17.3s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 3204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-07-22 18:09:19,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 18:09:19,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE