./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix031.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/mix031.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 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/mix031.oepc.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/mix031.oepc.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.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 21:41:57,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 21:41:58,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 21:41:58,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 21:41:58,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 21:41:58,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 21:41:58,060 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 21:41:58,060 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 21:41:58,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 21:41:58,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 21:41:58,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 21:41:58,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 21:41:58,063 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 21:41:58,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 21:41:58,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 21:41:58,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 21:41:58,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 21:41:58,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 21:41:58,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 21:41:58,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 21:41:58,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 21:41:58,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 21:41:58,070 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 21:41:58,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 21:41:58,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 21:41:58,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 21:41:58,071 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 21:41:58,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 21:41:58,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 21:41:58,072 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 21:41:58,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 21:41:58,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 21:41:58,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 21:41:58,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 21:41:58,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 21:41:58,075 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 21:41:58,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 21:41:58,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 21:41:58,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 21:41:58,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 21:41:58,077 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 21:41:58,077 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 21:41:58,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-22 21:41:58,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 21:41:58,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 21:41:58,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 21:41:58,339 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 21:41:58,340 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 21:41:58,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/mix031.oepc.yml/witness.yml [2024-08-22 21:41:58,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 21:41:58,529 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 21:41:58,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-08-22 21:41:59,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 21:42:00,084 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 21:42:00,085 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-08-22 21:42:00,102 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/569b884a8/fdf26f903a9b49e298f0106f7b4d091f/FLAG3e465aefb [2024-08-22 21:42:00,121 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/569b884a8/fdf26f903a9b49e298f0106f7b4d091f [2024-08-22 21:42:00,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 21:42:00,122 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 21:42:00,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 21:42:00,124 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 21:42:00,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 21:42:00,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 09:41:58" (1/2) ... [2024-08-22 21:42:00,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462439ca and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 09:42:00, skipping insertion in model container [2024-08-22 21:42:00,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 09:41:58" (1/2) ... [2024-08-22 21:42:00,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3aba886 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 09:42:00, skipping insertion in model container [2024-08-22 21:42:00,131 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:00" (2/2) ... [2024-08-22 21:42:00,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462439ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00, skipping insertion in model container [2024-08-22 21:42:00,131 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:42:00" (2/2) ... [2024-08-22 21:42:00,131 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-22 21:42:00,230 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 21:42:00,232 INFO L97 edCorrectnessWitness]: Location invariant before [L831-L831] (((((((((((((((((((! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || (a == 0 || a == 1))) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p0_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p1_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$mem_tmp) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )x >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )y >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )z >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )x >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )y >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )z >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EBX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EBX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$read_delayed) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p0_EAX) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$flush_delayed) - (long long )a$mem_tmp >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff0) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff0_used) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff1_used) - (long long )x >= 0LL) && (2LL - (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (2LL - (long long )__unbuffered_p0_EAX) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff0_used >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )x >= 0LL) && (2LL - (long long )a) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff0_used >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )x >= 0LL) && (long long )__unbuffered_cnt - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EBX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )a$w_buff1_used >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$w_buff1_used >= 0LL) && (long long )a$flush_delayed - (long long )a$w_buff1_used >= 0LL) && (long long )a$mem_tmp - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$w_buff1_used >= 0LL) && (long long )a$read_delayed - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL))) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || a$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (a$mem_tmp == 0 || a$mem_tmp == 1))) && (! multithreaded || ((((((((((((((((((0 <= __unbuffered_cnt && a$flush_delayed == (_Bool)0) && a$r_buff0_thd0 == (_Bool)0) && a$r_buff0_thd2 == (_Bool)0) && a$r_buff1_thd0 == (_Bool)0) && a$r_buff1_thd2 == (_Bool)0) && a$read_delayed == (_Bool)0) && a$read_delayed_var == 0) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (a == 0 || a == 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)))) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || (a$w_buff1 == 0 || a$w_buff1 == 1))) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (z == 0 || z == 1))) && (! multithreaded || (a$w_buff0 == 0 || a$w_buff0 == 1)) [2024-08-22 21:42:00,232 INFO L97 edCorrectnessWitness]: Location invariant before [L830-L830] (((((((((((((((((((! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (! multithreaded || a$r_buff1_thd2 == (_Bool)0)) && (! multithreaded || 0 <= __unbuffered_cnt)) && (! multithreaded || (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1))) && (! multithreaded || (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1))) && (! multithreaded || a$read_delayed_var == 0)) && (! multithreaded || (a == 0 || a == 1))) && (! multithreaded || a$r_buff0_thd2 == (_Bool)0)) && (! multithreaded || (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1))) && (! multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long )__unbuffered_p0_EAX) + (long long )x >= 0LL && (0LL - (long long )__unbuffered_p0_EBX) + (long long )y >= 0LL) && (0LL - (long long )__unbuffered_p1_EAX) + (long long )z >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$mem_tmp >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd1 >= 0LL) && (0LL - (long long )a$mem_tmp) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff0_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff0 >= 0LL) && (0LL - (long long )a$r_buff1_thd1) + (long long )a$w_buff1 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )main$tmp_guard1 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )x >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )y >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )z >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )weak$$choice0 >= 0LL) && (0LL - (long long )a$w_buff1_used) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )x >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )y >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )z >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) + (long long )weak$$choice2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff0_used >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )main$tmp_guard1 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )x >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )y >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )z >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )weak$$choice0 >= 0LL) && (1LL - (long long )a$mem_tmp) + (long long )weak$$choice2 >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_cnt) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EAX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p0_EBX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p0_EBX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (1LL + (long long )__unbuffered_p1_EAX) - (long long )a$mem_tmp >= 0LL) && (1LL + (long long )a$flush_delayed) - (long long )a$mem_tmp >= 0LL) && (0LL - (long long )a$flush_delayed) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff0_thd0) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff0_thd2) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff1_thd0) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$r_buff1_thd2) - (long long )a$w_buff1_used >= 0LL) && (0LL - (long long )a$read_delayed) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p0_EAX) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$flush_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$flush_delayed) - (long long )a$mem_tmp >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd0 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd2 >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$read_delayed >= 0LL) && (1LL - (long long )a$mem_tmp) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$r_buff0_thd1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$r_buff1_thd1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff0) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff0_used) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff1) - (long long )a$w_buff1_used >= 0LL) && (1LL - (long long )a$w_buff1_used) - (long long )x >= 0LL) && (2LL - (long long )__unbuffered_p0_EAX) - (long long )__unbuffered_p1_EBX >= 0LL) && (2LL - (long long )__unbuffered_p0_EAX) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff0_thd1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff0_used >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )__unbuffered_p1_EBX) - (long long )x >= 0LL) && (2LL - (long long )a) - (long long )a$mem_tmp >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$r_buff0_thd1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$r_buff1_thd1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff0 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff0_used >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )a$w_buff1 >= 0LL) && (2LL - (long long )a$mem_tmp) - (long long )x >= 0LL) && (long long )__unbuffered_cnt - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EAX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p0_EBX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EAX - (long long )a$w_buff1_used >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )a$mem_tmp >= 0LL) && (long long )__unbuffered_p1_EBX - (long long )a$w_buff1_used >= 0LL) && (long long )a - (long long )a$mem_tmp >= 0LL) && (long long )a - (long long )a$w_buff1_used >= 0LL) && (long long )a$flush_delayed - (long long )a$w_buff1_used >= 0LL) && (long long )a$mem_tmp - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$r_buff1_thd1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff0_used >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff0_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff0_thd2 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1 >= 0LL) && (long long )a$r_buff1_thd1 - (long long )a$w_buff1_used >= 0LL) && (long long )a$r_buff1_thd2 - (long long )a$w_buff1_used >= 0LL) && (long long )a$read_delayed - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff0_used >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1 >= 0LL) && (long long )a$w_buff0 - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) && (long long )a$w_buff1 - (long long )a$w_buff1_used >= 0LL))) && (! multithreaded || a$read_delayed == (_Bool)0)) && (! multithreaded || a$r_buff1_thd0 == (_Bool)0)) && (! multithreaded || (a$mem_tmp == 0 || a$mem_tmp == 1))) && (! multithreaded || ((((((((((((((((((0 <= __unbuffered_cnt && a$flush_delayed == (_Bool)0) && a$r_buff0_thd0 == (_Bool)0) && a$r_buff0_thd2 == (_Bool)0) && a$r_buff1_thd0 == (_Bool)0) && a$r_buff1_thd2 == (_Bool)0) && a$read_delayed == (_Bool)0) && a$read_delayed_var == 0) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (a == 0 || a == 1)) && (a$mem_tmp == 0 || a$mem_tmp == 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (z == 0 || z == 1)))) && (! multithreaded || a$r_buff0_thd0 == (_Bool)0)) && (! multithreaded || (a$w_buff1 == 0 || a$w_buff1 == 1))) && (! multithreaded || (y == 0 || y == 1))) && (! multithreaded || (x == 0 || x == 1))) && (! multithreaded || (z == 0 || z == 1))) && (! multithreaded || (a$w_buff0 == 0 || a$w_buff0 == 1)) [2024-08-22 21:42:00,233 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 21:42:00,233 INFO L106 edCorrectnessWitness]: ghost_update [L828-L828] multithreaded = 1; [2024-08-22 21:42:00,278 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 21:42:00,458 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/mix031.oepc.i[945,958] [2024-08-22 21:42:00,609 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 21:42:00,623 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 21:42:00,653 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/mix031.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-22 21:42:00,862 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 21:42:00,900 INFO L206 MainTranslator]: Completed translation [2024-08-22 21:42:00,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00 WrapperNode [2024-08-22 21:42:00,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 21:42:00,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 21:42:00,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 21:42:00,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 21:42:00,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:00,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,004 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 119 [2024-08-22 21:42:01,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 21:42:01,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 21:42:01,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 21:42:01,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 21:42:01,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 21:42:01,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 21:42:01,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 21:42:01,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 21:42:01,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (1/1) ... [2024-08-22 21:42:01,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 21:42:01,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:42:01,107 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) [2024-08-22 21:42:01,113 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 [2024-08-22 21:42:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 21:42:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 21:42:01,152 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-08-22 21:42:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-08-22 21:42:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-08-22 21:42:01,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-08-22 21:42:01,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 21:42:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 21:42:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 21:42:01,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 21:42:01,155 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 21:42:01,309 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 21:42:01,311 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 21:42:01,895 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 21:42:01,896 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 21:42:02,067 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 21:42:02,067 INFO L319 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-22 21:42:02,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:02 BoogieIcfgContainer [2024-08-22 21:42:02,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 21:42:02,070 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 21:42:02,070 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 21:42:02,074 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 21:42:02,074 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 09:41:58" (1/4) ... [2024-08-22 21:42:02,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eac6e41 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 09:42:02, skipping insertion in model container [2024-08-22 21:42:02,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 09:42:00" (2/4) ... [2024-08-22 21:42:02,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eac6e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:42:02, skipping insertion in model container [2024-08-22 21:42:02,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:42:00" (3/4) ... [2024-08-22 21:42:02,076 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eac6e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:42:02, skipping insertion in model container [2024-08-22 21:42:02,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:42:02" (4/4) ... [2024-08-22 21:42:02,077 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.oepc.i [2024-08-22 21:42:02,094 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 21:42:02,094 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-08-22 21:42:02,094 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 21:42:02,165 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-22 21:42:02,206 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 21:42:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 21:42:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 21:42:02,209 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) [2024-08-22 21:42:02,211 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 [2024-08-22 21:42:02,244 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 21:42:02,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 21:42:02,263 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;@32dc8516, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 21:42:02,263 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-22 21:42:02,489 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)] === [2024-08-22 21:42:02,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:02,494 INFO L85 PathProgramCache]: Analyzing trace with hash 324424917, now seen corresponding path program 1 times [2024-08-22 21:42:02,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:02,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629536080] [2024-08-22 21:42:02,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:02,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:05,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:05,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629536080] [2024-08-22 21:42:05,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629536080] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:05,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:05,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-22 21:42:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503717847] [2024-08-22 21:42:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:05,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-22 21:42:05,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:05,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-22 21:42:05,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-22 21:42:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:05,454 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:05,455 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) [2024-08-22 21:42:05,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:05,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:05,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 21:42:05,924 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)] === [2024-08-22 21:42:05,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:05,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1380414177, now seen corresponding path program 1 times [2024-08-22 21:42:05,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:05,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771034669] [2024-08-22 21:42:05,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:05,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:12,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:12,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771034669] [2024-08-22 21:42:12,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771034669] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:12,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:12,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-08-22 21:42:12,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044041818] [2024-08-22 21:42:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:12,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-22 21:42:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:12,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-22 21:42:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-08-22 21:42:12,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:12,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:12,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2024-08-22 21:42:12,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:12,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:13,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:13,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:13,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 21:42:13,469 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)] === [2024-08-22 21:42:13,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:13,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1233080812, now seen corresponding path program 1 times [2024-08-22 21:42:13,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:13,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21261273] [2024-08-22 21:42:13,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:13,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:13,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:13,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21261273] [2024-08-22 21:42:13,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21261273] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:13,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:13,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 21:42:13,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132565858] [2024-08-22 21:42:13,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:13,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 21:42:13,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:13,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 21:42:13,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 21:42:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:13,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:13,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-08-22 21:42:13,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:13,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:13,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:13,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:13,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-22 21:42:13,886 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)] === [2024-08-22 21:42:13,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash -328466185, now seen corresponding path program 1 times [2024-08-22 21:42:13,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:13,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449540854] [2024-08-22 21:42:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:14,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:14,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449540854] [2024-08-22 21:42:14,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449540854] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:14,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:14,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 21:42:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742855130] [2024-08-22 21:42:14,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-22 21:42:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:14,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-22 21:42:14,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-08-22 21:42:14,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:14,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:14,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-08-22 21:42:14,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:14,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:14,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:14,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:14,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-22 21:42:14,333 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)] === [2024-08-22 21:42:14,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:14,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1633630525, now seen corresponding path program 1 times [2024-08-22 21:42:14,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:14,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68086867] [2024-08-22 21:42:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:14,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:14,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68086867] [2024-08-22 21:42:14,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68086867] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:14,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:14,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 21:42:14,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325761748] [2024-08-22 21:42:14,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:14,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 21:42:14,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:14,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 21:42:14,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-22 21:42:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:14,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:14,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-08-22 21:42:14,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:14,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:14,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:14,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:14,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:16,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:16,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:16,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:16,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-22 21:42:16,330 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:42:16,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:16,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1078200033, now seen corresponding path program 1 times [2024-08-22 21:42:16,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:16,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720235808] [2024-08-22 21:42:16,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:16,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:19,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:19,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720235808] [2024-08-22 21:42:19,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720235808] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:19,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:19,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 21:42:19,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911199219] [2024-08-22 21:42:19,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:19,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-22 21:42:19,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:19,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-22 21:42:19,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-08-22 21:42:19,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:19,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:19,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 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) [2024-08-22 21:42:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:19,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:19,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:20,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:20,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-22 21:42:20,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:42:20,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:20,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1978905661, now seen corresponding path program 2 times [2024-08-22 21:42:20,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:20,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285855820] [2024-08-22 21:42:20,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:20,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:20,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:20,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:20,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285855820] [2024-08-22 21:42:20,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285855820] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:20,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:20,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-22 21:42:20,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470787090] [2024-08-22 21:42:20,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:20,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 21:42:20,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:20,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 21:42:20,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-22 21:42:20,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:20,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:20,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-08-22 21:42:20,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:20,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:20,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:21,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:21,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-08-22 21:42:21,095 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:42:21,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:21,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1004612809, now seen corresponding path program 1 times [2024-08-22 21:42:21,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:21,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702466873] [2024-08-22 21:42:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:23,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:23,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702466873] [2024-08-22 21:42:23,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702466873] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:23,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:23,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-08-22 21:42:23,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244259932] [2024-08-22 21:42:23,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:23,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-22 21:42:23,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:23,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-22 21:42:23,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-08-22 21:42:23,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:23,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:23,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:23,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:24,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:24,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:24,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-22 21:42:24,562 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:42:24,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:24,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1768707646, now seen corresponding path program 1 times [2024-08-22 21:42:24,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:24,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022561127] [2024-08-22 21:42:24,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:24,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 21:42:26,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-22 21:42:26,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 21:42:26,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022561127] [2024-08-22 21:42:26,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022561127] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 21:42:26,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 21:42:26,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 21:42:26,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450576802] [2024-08-22 21:42:26,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 21:42:26,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 21:42:26,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 21:42:26,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 21:42:26,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-08-22 21:42:26,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:26,782 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 21:42:26,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:26,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 21:42:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 21:42:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-08-22 21:42:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-22 21:42:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-08-22 21:42:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 21:42:27,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-22 21:42:27,279 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-22 21:42:27,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 21:42:27,280 INFO L85 PathProgramCache]: Analyzing trace with hash 599923379, now seen corresponding path program 3 times [2024-08-22 21:42:27,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 21:42:27,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65985433] [2024-08-22 21:42:27,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 21:42:27,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 21:42:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-22 21:42:27,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-08-22 21:42:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-08-22 21:42:27,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-08-22 21:42:27,438 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-08-22 21:42:27,439 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-08-22 21:42:27,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-22 21:42:27,441 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-08-22 21:42:27,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-22 21:42:27,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-22 21:42:27,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-22 21:42:27,449 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2024-08-22 21:42:27,451 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2024-08-22 21:42:27,455 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 21:42:27,455 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 21:42:27,548 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-22 21:42:27,548 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-22 21:42:27,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:42:27 BasicIcfg [2024-08-22 21:42:27,549 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 21:42:27,550 INFO L158 Benchmark]: Toolchain (without parser) took 27427.24ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 908.1MB). Free memory was 73.9MB in the beginning and 995.3MB in the end (delta: -921.4MB). Peak memory consumption was 494.3MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,550 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 21:42:27,550 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 21:42:27,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 777.08ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 126.1MB in the end (delta: -52.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.92ms. Allocated memory is still 192.9MB. Free memory was 126.1MB in the beginning and 119.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,551 INFO L158 Benchmark]: Boogie Preprocessor took 69.68ms. Allocated memory is still 192.9MB. Free memory was 119.0MB in the beginning and 115.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,552 INFO L158 Benchmark]: RCFGBuilder took 992.08ms. Allocated memory is still 192.9MB. Free memory was 115.8MB in the beginning and 111.1MB in the end (delta: 4.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,552 INFO L158 Benchmark]: TraceAbstraction took 25479.65ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 870.3MB). Free memory was 111.1MB in the beginning and 995.3MB in the end (delta: -884.3MB). Peak memory consumption was 493.8MB. Max. memory is 16.1GB. [2024-08-22 21:42:27,553 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 0.21ms. Allocated memory is still 155.2MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 121.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 777.08ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 73.7MB in the beginning and 126.1MB in the end (delta: -52.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.92ms. Allocated memory is still 192.9MB. Free memory was 126.1MB in the beginning and 119.0MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.68ms. Allocated memory is still 192.9MB. Free memory was 119.0MB in the beginning and 115.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 992.08ms. Allocated memory is still 192.9MB. Free memory was 115.8MB in the beginning and 111.1MB in the end (delta: 4.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25479.65ms. Allocated memory was 192.9MB in the beginning and 1.1GB in the end (delta: 870.3MB). Free memory was 111.1MB in the beginning and 995.3MB in the end (delta: -884.3MB). Peak memory consumption was 493.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3635, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 537, dependent conditional: 488, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3374, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 276, dependent conditional: 227, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3374, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 276, dependent conditional: 227, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 952, dependent unconditional: 453, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 547, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 547, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 578, independent: 478, independent conditional: 13, independent unconditional: 465, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 578, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 38, independent conditional: 13, independent unconditional: 25, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 38, independent conditional: 13, independent unconditional: 25, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2659, independent: 739, independent conditional: 158, independent unconditional: 582, dependent: 1920, dependent conditional: 1087, dependent unconditional: 833, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4503, independent: 2620, independent conditional: 164, independent unconditional: 2456, dependent: 1305, dependent conditional: 499, dependent unconditional: 806, unknown: 578, unknown conditional: 61, unknown unconditional: 517] , Statistics on independence cache: Total cache size (in pairs): 578, Positive cache size: 478, Positive conditional cache size: 13, Positive unconditional cache size: 465, Negative cache size: 100, Negative conditional cache size: 48, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 405, Maximal queried relation: 7, Independence queries for same thread: 261 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 1.3s, Number of persistent set computation: 217, Number of trivial persistent sets: 145, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 508, independent: 459, independent conditional: 0, independent unconditional: 459, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3635, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 537, dependent conditional: 488, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3374, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 276, dependent conditional: 227, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3374, independent: 3098, independent conditional: 2639, independent unconditional: 459, dependent: 276, dependent conditional: 227, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 952, dependent unconditional: 453, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 547, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4503, independent: 3098, independent conditional: 177, independent unconditional: 2921, dependent: 1405, dependent conditional: 547, dependent unconditional: 858, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 578, independent: 478, independent conditional: 13, independent unconditional: 465, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 578, independent: 440, independent conditional: 0, independent unconditional: 440, dependent: 138, dependent conditional: 0, dependent unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 138, independent: 38, independent conditional: 13, independent unconditional: 25, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 138, independent: 38, independent conditional: 13, independent unconditional: 25, dependent: 100, dependent conditional: 48, dependent unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2659, independent: 739, independent conditional: 158, independent unconditional: 582, dependent: 1920, dependent conditional: 1087, dependent unconditional: 833, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4503, independent: 2620, independent conditional: 164, independent unconditional: 2456, dependent: 1305, dependent conditional: 499, dependent unconditional: 806, unknown: 578, unknown conditional: 61, unknown unconditional: 517] , Statistics on independence cache: Total cache size (in pairs): 578, Positive cache size: 478, Positive conditional cache size: 13, Positive unconditional cache size: 465, Negative cache size: 100, Negative conditional cache size: 48, Negative unconditional cache size: 52, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 405, Maximal queried relation: 7, Independence queries for same thread: 261 - 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_p0_EBX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff1_thd0; [L725] 0 _Bool a$r_buff1_thd1; [L726] 0 _Bool a$r_buff1_thd2; [L727] 0 _Bool a$read_delayed; [L728] 0 int *a$read_delayed_var; [L729] 0 int a$w_buff0; [L730] 0 _Bool a$w_buff0_used; [L731] 0 int a$w_buff1; [L732] 0 _Bool a$w_buff1_used; [L733] 0 _Bool main$tmp_guard0; [L734] 0 _Bool main$tmp_guard1; [L736] 0 int x = 0; [L738] 0 int y = 0; [L740] 0 int z = 0; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L827] 0 pthread_t t833; [L828] 0 //@ ghost multithreaded = 1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t833=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L828] FCALL, FORK 0 pthread_create(&t833, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t833=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L829] 0 pthread_t t834; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t833=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L830] 0 //@ assert ((((((((((((((((((((!multithreaded || ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && (!multithreaded || (a$r_buff1_thd2 == (_Bool) 0))) && (!multithreaded || (0 <= __unbuffered_cnt))) && (!multithreaded || ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1)))) && (!multithreaded || ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1)))) && (!multithreaded || (a$read_delayed_var == 0))) && (!multithreaded || ((a == 0) || (a == 1)))) && (!multithreaded || (a$r_buff0_thd2 == (_Bool) 0))) && (!multithreaded || ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1)))) && (!multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long) __unbuffered_p0_EAX) + (long long) x) >= 0LL) && (((0LL - (long long) __unbuffered_p0_EBX) + (long long) y) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EAX) + (long long) z) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$mem_tmp) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) a) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) a$mem_tmp) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd1) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd1) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd1) + (long long) a$w_buff1) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) main$tmp_guard1) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) x) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) y) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) z) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) weak$$choice0) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) weak$$choice2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$flush_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff0_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) main$tmp_guard1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) y) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) z) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) weak$$choice0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) weak$$choice2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff0_used) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) main$tmp_guard1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) x) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) y) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) z) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) weak$$choice0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) weak$$choice2) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EBX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EBX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) a$flush_delayed) - (long long) a$mem_tmp) >= 0LL)) && (((0LL - (long long) a$flush_delayed) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd0) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd2) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd0) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd2) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$read_delayed) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p0_EAX) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$flush_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$flush_delayed) - (long long) a$mem_tmp) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$r_buff0_thd1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$r_buff1_thd1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff0) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff0_used) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff1_used) - (long long) x) >= 0LL)) && (((2LL - (long long) __unbuffered_p0_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((2LL - (long long) __unbuffered_p0_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff0) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff0_used) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) x) >= 0LL)) && (((2LL - (long long) a) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff0) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff0_used) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) x) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p0_EAX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p0_EBX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EAX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EBX - (long long) a$mem_tmp) >= 0LL)) && (((long long) __unbuffered_p1_EBX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a - (long long) a$mem_tmp) >= 0LL)) && (((long long) a - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$flush_delayed - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$mem_tmp - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$r_buff1_thd1) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff0) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff0_used) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd2 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd1 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$r_buff1_thd1 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd2 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$read_delayed - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff0_used) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff0_used - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff1 - (long long) a$w_buff1_used) >= 0LL)))) && (!multithreaded || (a$read_delayed == (_Bool) 0))) && (!multithreaded || (a$r_buff1_thd0 == (_Bool) 0))) && (!multithreaded || ((a$mem_tmp == 0) || (a$mem_tmp == 1)))) && (!multithreaded || (((((((((((((((((((0 <= __unbuffered_cnt) && (a$flush_delayed == (_Bool) 0)) && (a$r_buff0_thd0 == (_Bool) 0)) && (a$r_buff0_thd2 == (_Bool) 0)) && (a$r_buff1_thd0 == (_Bool) 0)) && (a$r_buff1_thd2 == (_Bool) 0)) && (a$read_delayed == (_Bool) 0)) && (a$read_delayed_var == 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((a == 0) || (a == 1))) && ((a$mem_tmp == 0) || (a$mem_tmp == 1))) && ((a$w_buff0 == 0) || (a$w_buff0 == 1))) && ((a$w_buff1 == 0) || (a$w_buff1 == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((z == 0) || (z == 1))))) && (!multithreaded || (a$r_buff0_thd0 == (_Bool) 0))) && (!multithreaded || ((a$w_buff1 == 0) || (a$w_buff1 == 1)))) && (!multithreaded || ((y == 0) || (y == 1)))) && (!multithreaded || ((x == 0) || (x == 1)))) && (!multithreaded || ((z == 0) || (z == 1)))) && (!multithreaded || ((a$w_buff0 == 0) || (a$w_buff0 == 1)))); [L830] FCALL, FORK 0 pthread_create(&t834, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t833=-2, t834=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L831] 0 //@ assert ((((((((((((((((((((!multithreaded || ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && (!multithreaded || (a$r_buff1_thd2 == (_Bool) 0))) && (!multithreaded || (0 <= __unbuffered_cnt))) && (!multithreaded || ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1)))) && (!multithreaded || ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1)))) && (!multithreaded || (a$read_delayed_var == 0))) && (!multithreaded || ((a == 0) || (a == 1)))) && (!multithreaded || (a$r_buff0_thd2 == (_Bool) 0))) && (!multithreaded || ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1)))) && (!multithreaded || ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((0LL - (long long) __unbuffered_p0_EAX) + (long long) x) >= 0LL) && (((0LL - (long long) __unbuffered_p0_EBX) + (long long) y) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EAX) + (long long) z) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$mem_tmp) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) a) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd1) >= 0LL)) && (((0LL - (long long) a$mem_tmp) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd1) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd1) + (long long) a$w_buff0) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd1) + (long long) a$w_buff1) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) main$tmp_guard1) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) x) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) y) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) z) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) weak$$choice0) >= 0LL)) && (((0LL - (long long) a$w_buff1_used) + (long long) weak$$choice2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$flush_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff0_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) main$tmp_guard1) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) x) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) y) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) z) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) weak$$choice0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) + (long long) weak$$choice2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff0_used) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) main$tmp_guard1) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) x) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) y) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) z) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) weak$$choice0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) + (long long) weak$$choice2) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_cnt) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EBX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p0_EBX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((1LL + (long long) __unbuffered_p1_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((1LL + (long long) a$flush_delayed) - (long long) a$mem_tmp) >= 0LL)) && (((0LL - (long long) a$flush_delayed) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd0) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff0_thd2) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd0) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$r_buff1_thd2) - (long long) a$w_buff1_used) >= 0LL)) && (((0LL - (long long) a$read_delayed) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p0_EAX) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$flush_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$flush_delayed) - (long long) a$mem_tmp) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd0) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd2) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$read_delayed) >= 0LL)) && (((1LL - (long long) a$mem_tmp) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$r_buff0_thd1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$r_buff1_thd1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff0) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff0_used) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff1) - (long long) a$w_buff1_used) >= 0LL)) && (((1LL - (long long) a$w_buff1_used) - (long long) x) >= 0LL)) && (((2LL - (long long) __unbuffered_p0_EAX) - (long long) __unbuffered_p1_EBX) >= 0LL)) && (((2LL - (long long) __unbuffered_p0_EAX) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff0) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff0_used) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) a$w_buff1) >= 0LL)) && (((2LL - (long long) __unbuffered_p1_EBX) - (long long) x) >= 0LL)) && (((2LL - (long long) a) - (long long) a$mem_tmp) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$r_buff0_thd1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$r_buff1_thd1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff0) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff0_used) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) a$w_buff1) >= 0LL)) && (((2LL - (long long) a$mem_tmp) - (long long) x) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p0_EAX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p0_EBX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EAX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_p1_EBX - (long long) a$mem_tmp) >= 0LL)) && (((long long) __unbuffered_p1_EBX - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a - (long long) a$mem_tmp) >= 0LL)) && (((long long) a - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$flush_delayed - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$mem_tmp - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$r_buff1_thd1) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff0) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff0_used) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$r_buff0_thd1 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff0_thd2 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd1 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$r_buff1_thd1 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$r_buff1_thd2 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$read_delayed - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff0_used) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff1) >= 0LL)) && (((long long) a$w_buff0 - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff0_used - (long long) a$w_buff1_used) >= 0LL)) && (((long long) a$w_buff1 - (long long) a$w_buff1_used) >= 0LL)))) && (!multithreaded || (a$read_delayed == (_Bool) 0))) && (!multithreaded || (a$r_buff1_thd0 == (_Bool) 0))) && (!multithreaded || ((a$mem_tmp == 0) || (a$mem_tmp == 1)))) && (!multithreaded || (((((((((((((((((((0 <= __unbuffered_cnt) && (a$flush_delayed == (_Bool) 0)) && (a$r_buff0_thd0 == (_Bool) 0)) && (a$r_buff0_thd2 == (_Bool) 0)) && (a$r_buff1_thd0 == (_Bool) 0)) && (a$r_buff1_thd2 == (_Bool) 0)) && (a$read_delayed == (_Bool) 0)) && (a$read_delayed_var == 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((a == 0) || (a == 1))) && ((a$mem_tmp == 0) || (a$mem_tmp == 1))) && ((a$w_buff0 == 0) || (a$w_buff0 == 1))) && ((a$w_buff1 == 0) || (a$w_buff1 == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((z == 0) || (z == 1))))) && (!multithreaded || (a$r_buff0_thd0 == (_Bool) 0))) && (!multithreaded || ((a$w_buff1 == 0) || (a$w_buff1 == 1)))) && (!multithreaded || ((y == 0) || (y == 1)))) && (!multithreaded || ((x == 0) || (x == 1)))) && (!multithreaded || ((z == 0) || (z == 1)))) && (!multithreaded || ((a$w_buff0 == 0) || (a$w_buff0 == 1)))); VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t833=-2, t834=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L746] 1 a$w_buff1 = a$w_buff0 [L747] 1 a$w_buff0 = 1 [L748] 1 a$w_buff1_used = a$w_buff0_used [L749] 1 a$w_buff0_used = (_Bool)1 [L750] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L750] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L751] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L752] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L753] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L754] 1 a$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L757] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L760] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L763] 1 __unbuffered_p0_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L783] 2 z = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L786] 2 __unbuffered_p1_EAX = z VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L789] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L790] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L791] 2 a$flush_delayed = weak$$choice2 [L792] 2 a$mem_tmp = a [L793] 2 a = !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) [L794] 2 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) [L795] 2 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) [L796] 2 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) [L797] 2 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L798] 2 a$r_buff0_thd2 = weak$$choice2 ? a$r_buff0_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff0_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2)) [L799] 2 a$r_buff1_thd2 = weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L800] 2 __unbuffered_p1_EBX = a [L801] 2 a = a$flush_delayed ? a$mem_tmp : a [L802] 2 a$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L805] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L806] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L807] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L808] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L809] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L812] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L814] 2 return 0; [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-2, t834=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L834] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L834] RET 0 assume_abort_if_not(main$tmp_guard0) [L836] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L837] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L838] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L839] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L840] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-2, t834=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-2, t834=-1, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L845] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z=1] - UnprovableResult [Line: 830]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: 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: 830]: 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, 60 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.7s, 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: 53, 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, 0.4s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 4665 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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! [2024-08-22 21:42:27,594 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 [2024-08-22 21:42:27,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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