./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.2024-09-02_08-21-23.files/mutex-meet-ghost/mix031.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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.2024-09-02_08-21-23.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.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 10:29:39,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 10:29:39,733 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 10:29:39,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 10:29:39,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 10:29:39,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 10:29:39,771 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 10:29:39,771 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 10:29:39,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 10:29:39,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 10:29:39,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 10:29:39,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 10:29:39,775 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 10:29:39,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 10:29:39,777 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 10:29:39,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 10:29:39,777 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 10:29:39,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 10:29:39,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 10:29:39,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 10:29:39,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 10:29:39,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 10:29:39,780 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 10:29:39,780 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 10:29:39,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 10:29:39,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 10:29:39,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 10:29:39,784 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 10:29:39,785 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 10:29:39,785 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 10:29:39,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 10:29:39,785 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 10:29:39,786 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 10:29:39,786 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 10:29:39,786 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 10:29:39,787 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 10:29:39,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 10:29:39,788 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 10:29:39,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 10:29:39,788 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 10:29:39,788 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 10:29:39,789 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 10:29:40,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 10:29:40,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 10:29:40,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 10:29:40,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 10:29:40,073 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 10:29:40,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-09-08 10:29:41,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 10:29:41,733 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 10:29:41,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.oepc.i [2024-09-08 10:29:41,758 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f1dc97136/7c3ac11afaaa46ad9e28b313fd1e9de1/FLAGa0af48e25 [2024-09-08 10:29:41,773 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f1dc97136/7c3ac11afaaa46ad9e28b313fd1e9de1 [2024-09-08 10:29:41,775 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 10:29:41,776 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 10:29:41,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/mix031.oepc.yml/witness.yml [2024-09-08 10:29:41,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 10:29:41,900 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 10:29:41,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 10:29:41,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 10:29:41,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 10:29:41,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:29:41" (1/2) ... [2024-09-08 10:29:41,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a9a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:29:41, skipping insertion in model container [2024-09-08 10:29:41,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:29:41" (1/2) ... [2024-09-08 10:29:41,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293fcb49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:29:41, skipping insertion in model container [2024-09-08 10:29:41,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 10:29:41" (2/2) ... [2024-09-08 10:29:41,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189a9a86 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:41, skipping insertion in model container [2024-09-08 10:29:41,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 10:29:41" (2/2) ... [2024-09-08 10:29:41,995 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 10:29:41,996 INFO L1541 ArrayList]: 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$w_buff0 == 1)) [2024-09-08 10:29:41,997 INFO L1541 ArrayList]: Location invariant before [L830-L830] (((((((((((((((((((! multithreaded || (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (! multithreaded || a$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)) [2024-09-08 10:29:41,997 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 10:29:41,997 INFO L1541 ArrayList]: ghost_update [L828-L828] multithreaded = 1; [2024-09-08 10:29:42,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 10:29:42,258 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] [2024-09-08 10:29:42,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 10:29:42,439 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-09-08 10:29:42,477 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 [2024-09-08 10:29:42,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 10:29:42,683 INFO L204 MainTranslator]: Completed translation [2024-09-08 10:29:42,684 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42 WrapperNode [2024-09-08 10:29:42,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 10:29:42,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 10:29:42,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 10:29:42,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 10:29:42,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,789 INFO L138 Inliner]: procedures = 174, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2024-09-08 10:29:42,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 10:29:42,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 10:29:42,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 10:29:42,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 10:29:42,801 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 10:29:42,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 10:29:42,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 10:29:42,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 10:29:42,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (1/1) ... [2024-09-08 10:29:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 10:29:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 10:29:42,904 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) [2024-09-08 10:29:42,907 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 [2024-09-08 10:29:42,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 10:29:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 10:29:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-08 10:29:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-08 10:29:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-08 10:29:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-08 10:29:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 10:29:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 10:29:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 10:29:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 10:29:42,966 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 10:29:43,090 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 10:29:43,092 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 10:29:43,770 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 10:29:43,771 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 10:29:43,989 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 10:29:43,990 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 10:29:43,991 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:29:43 BoogieIcfgContainer [2024-09-08 10:29:43,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 10:29:43,994 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 10:29:43,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 10:29:43,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 10:29:43,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:29:41" (1/4) ... [2024-09-08 10:29:43,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f35d74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:29:43, skipping insertion in model container [2024-09-08 10:29:43,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 10:29:41" (2/4) ... [2024-09-08 10:29:43,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f35d74a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 10:29:43, skipping insertion in model container [2024-09-08 10:29:44,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 10:29:42" (3/4) ... [2024-09-08 10:29:44,000 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f35d74a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 10:29:44, skipping insertion in model container [2024-09-08 10:29:44,001 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:29:43" (4/4) ... [2024-09-08 10:29:44,003 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.oepc.i [2024-09-08 10:29:44,020 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 10:29:44,020 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-09-08 10:29:44,020 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 10:29:44,113 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 10:29:44,157 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 10:29:44,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 10:29:44,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 10:29:44,161 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) [2024-09-08 10:29:44,162 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 [2024-09-08 10:29:44,202 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 10:29:44,215 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 10:29:44,222 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@740e74c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 10:29:44,224 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-09-08 10:29:44,406 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:29:44,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:29:44,412 INFO L85 PathProgramCache]: Analyzing trace with hash 330150684, now seen corresponding path program 1 times [2024-09-08 10:29:44,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:29:44,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839575366] [2024-09-08 10:29:44,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:29:44,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:29:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:29:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:29:47,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:29:47,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839575366] [2024-09-08 10:29:47,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839575366] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:29:47,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:29:47,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 10:29:47,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370847730] [2024-09-08 10:29:47,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:29:47,731 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 10:29:47,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:29:47,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 10:29:47,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 10:29:47,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:47,759 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:29:47,760 INFO L475 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) [2024-09-08 10:29:47,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:48,159 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 10:29:48,159 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:29:48,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:29:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 992255868, now seen corresponding path program 1 times [2024-09-08 10:29:48,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:29:48,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003444650] [2024-09-08 10:29:48,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:29:48,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:29:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:29:56,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:29:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:29:56,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003444650] [2024-09-08 10:29:56,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003444650] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:29:56,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:29:56,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-08 10:29:56,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179077820] [2024-09-08 10:29:56,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:29:56,578 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 10:29:56,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:29:56,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 10:29:56,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-09-08 10:29:56,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:56,580 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:29:56,580 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 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) [2024-09-08 10:29:56,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:56,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:29:57,325 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 10:29:57,326 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:29:57,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:29:57,327 INFO L85 PathProgramCache]: Analyzing trace with hash -20654369, now seen corresponding path program 1 times [2024-09-08 10:29:57,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:29:57,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755393448] [2024-09-08 10:29:57,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:29:57,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:29:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:29:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:29:57,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:29:57,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755393448] [2024-09-08 10:29:57,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755393448] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:29:57,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:29:57,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 10:29:57,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129302480] [2024-09-08 10:29:57,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:29:57,654 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 10:29:57,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:29:57,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 10:29:57,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 10:29:57,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:57,655 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:29:57,656 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 10:29:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:29:57,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:57,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:57,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:29:57,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:29:57,938 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 10:29:57,939 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:29:57,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:29:57,939 INFO L85 PathProgramCache]: Analyzing trace with hash 749904856, now seen corresponding path program 1 times [2024-09-08 10:29:57,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:29:57,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884092398] [2024-09-08 10:29:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:29:57,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:29:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:29:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:29:58,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:29:58,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884092398] [2024-09-08 10:29:58,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884092398] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:29:58,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:29:58,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-08 10:29:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324127204] [2024-09-08 10:29:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:29:58,380 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 10:29:58,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:29:58,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 10:29:58,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-08 10:29:58,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:29:58,381 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:29:58,382 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 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) [2024-09-08 10:29:58,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:29:58,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:29:58,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:29:58,382 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:00,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:00,226 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 10:30:00,226 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:30:00,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:30:00,227 INFO L85 PathProgramCache]: Analyzing trace with hash -34916550, now seen corresponding path program 1 times [2024-09-08 10:30:00,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:30:00,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273493866] [2024-09-08 10:30:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:30:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:30:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:30:03,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:30:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:30:03,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273493866] [2024-09-08 10:30:03,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273493866] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:30:03,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:30:03,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 10:30:03,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327025278] [2024-09-08 10:30:03,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:30:03,870 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 10:30:03,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:30:03,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 10:30:03,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-08 10:30:03,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:03,871 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:30:03,871 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 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) [2024-09-08 10:30:03,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:03,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:03,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:03,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:03,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:04,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:04,519 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 10:30:04,519 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:30:04,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:30:04,520 INFO L85 PathProgramCache]: Analyzing trace with hash 169335896, now seen corresponding path program 2 times [2024-09-08 10:30:04,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:30:04,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057825734] [2024-09-08 10:30:04,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:30:04,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:30:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:30:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:30:04,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:30:04,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057825734] [2024-09-08 10:30:04,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057825734] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:30:04,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:30:04,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-09-08 10:30:04,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418347467] [2024-09-08 10:30:04,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:30:04,953 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 10:30:04,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:30:04,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 10:30:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-09-08 10:30:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:04,954 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:30:04,954 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2024-09-08 10:30:04,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:04,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:04,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:04,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:04,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:05,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:05,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:05,586 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 10:30:05,587 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:30:05,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:30:05,587 INFO L85 PathProgramCache]: Analyzing trace with hash -693863540, now seen corresponding path program 1 times [2024-09-08 10:30:05,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:30:05,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956551813] [2024-09-08 10:30:05,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:30:05,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:30:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:30:08,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:30:08,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:30:08,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956551813] [2024-09-08 10:30:08,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956551813] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:30:08,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:30:08,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 10:30:08,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754870111] [2024-09-08 10:30:08,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:30:08,591 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 10:30:08,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:30:08,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 10:30:08,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-09-08 10:30:08,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:08,592 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:30:08,592 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.0) internal successors, (12), 6 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) [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:08,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:09,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:09,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:09,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 10:30:09,241 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 10:30:09,241 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:30:09,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:30:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash -160930535, now seen corresponding path program 1 times [2024-09-08 10:30:09,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:30:09,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209340844] [2024-09-08 10:30:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:30:09,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:30:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 10:30:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 10:30:11,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 10:30:11,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209340844] [2024-09-08 10:30:11,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209340844] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 10:30:11,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 10:30:11,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 10:30:11,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292839234] [2024-09-08 10:30:11,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 10:30:11,694 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 10:30:11,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 10:30:11,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 10:30:11,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-09-08 10:30:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:11,695 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 10:30:11,696 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 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) [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:11,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:11,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 10:30:11,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 10:30:12,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 10:30:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 10:30:12,274 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 10:30:12,275 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-09-08 10:30:12,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 10:30:12,275 INFO L85 PathProgramCache]: Analyzing trace with hash -660044092, now seen corresponding path program 3 times [2024-09-08 10:30:12,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 10:30:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951014389] [2024-09-08 10:30:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 10:30:12,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 10:30:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 10:30:12,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 10:30:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 10:30:12,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 10:30:12,408 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 10:30:12,409 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-09-08 10:30:12,413 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-09-08 10:30:12,413 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 5 remaining) [2024-09-08 10:30:12,413 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-09-08 10:30:12,413 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-09-08 10:30:12,414 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 10:30:12,424 INFO L408 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2024-09-08 10:30:12,425 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2024-09-08 10:30:12,524 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 10:30:12,525 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 10:30:12,528 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-09-08 10:30:12,528 INFO L470 ceAbstractionStarter]: WitnessConsidered=2 [2024-09-08 10:30:12,529 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 10:30:12 BasicIcfg [2024-09-08 10:30:12,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 10:30:12,530 INFO L158 Benchmark]: Toolchain (without parser) took 30630.08ms. Allocated memory was 130.0MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 71.8MB in the beginning and 727.7MB in the end (delta: -655.9MB). Peak memory consumption was 435.7MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,530 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 10:30:12,531 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 10:30:12,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.70ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 73.1MB in the end (delta: -1.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.17ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 65.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,531 INFO L158 Benchmark]: Boogie Preprocessor took 74.73ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 62.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,532 INFO L158 Benchmark]: RCFGBuilder took 1125.31ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 62.0MB in the beginning and 53.7MB in the end (delta: 8.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,532 INFO L158 Benchmark]: TraceAbstraction took 28535.71ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 53.7MB in the beginning and 727.7MB in the end (delta: -673.9MB). Peak memory consumption was 366.2MB. Max. memory is 16.1GB. [2024-09-08 10:30:12,533 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.70ms. Allocated memory is still 130.0MB. Free memory was 71.5MB in the beginning and 73.1MB in the end (delta: -1.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.17ms. Allocated memory is still 130.0MB. Free memory was 73.1MB in the beginning and 65.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.73ms. Allocated memory is still 130.0MB. Free memory was 65.3MB in the beginning and 62.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1125.31ms. Allocated memory was 130.0MB in the beginning and 180.4MB in the end (delta: 50.3MB). Free memory was 62.0MB in the beginning and 53.7MB in the end (delta: 8.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28535.71ms. Allocated memory was 180.4MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 53.7MB in the beginning and 727.7MB in the end (delta: -673.9MB). Peak memory consumption was 366.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3592, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 533, dependent conditional: 483, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3334, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 275, dependent conditional: 225, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3334, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 275, dependent conditional: 225, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 1335, dependent conditional: 1285, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 177, independent unconditional: 2882, dependent: 1335, dependent conditional: 479, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 177, independent unconditional: 2882, dependent: 1335, dependent conditional: 479, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 571, independent: 475, independent conditional: 13, independent unconditional: 462, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 571, independent: 439, independent conditional: 0, independent unconditional: 439, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 132, independent: 36, independent conditional: 13, independent unconditional: 23, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 36, independent conditional: 13, independent unconditional: 23, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2715, independent: 776, independent conditional: 195, independent unconditional: 581, dependent: 1939, dependent conditional: 925, dependent unconditional: 1014, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4394, independent: 2584, independent conditional: 164, independent unconditional: 2420, dependent: 1239, dependent conditional: 436, dependent unconditional: 803, unknown: 571, unknown conditional: 56, unknown unconditional: 515] , Statistics on independence cache: Total cache size (in pairs): 571, Positive cache size: 475, Positive conditional cache size: 13, Positive unconditional cache size: 462, Negative cache size: 96, Negative conditional cache size: 43, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3233, Maximal queried relation: 6, Independence queries for same thread: 258, Persistent sets #1 benchmarks: Persistent set computation time: 1.4s, Number of persistent set computation: 211, Number of trivial persistent sets: 141, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 505, independent: 455, independent conditional: 0, independent unconditional: 455, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3592, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 533, dependent conditional: 483, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3334, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 275, dependent conditional: 225, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3334, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 275, dependent conditional: 225, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 2604, independent unconditional: 455, dependent: 1335, dependent conditional: 1285, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 177, independent unconditional: 2882, dependent: 1335, dependent conditional: 479, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4394, independent: 3059, independent conditional: 177, independent unconditional: 2882, dependent: 1335, dependent conditional: 479, dependent unconditional: 856, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 571, independent: 475, independent conditional: 13, independent unconditional: 462, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 571, independent: 439, independent conditional: 0, independent unconditional: 439, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 132, independent: 36, independent conditional: 13, independent unconditional: 23, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 132, independent: 36, independent conditional: 13, independent unconditional: 23, dependent: 96, dependent conditional: 43, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2715, independent: 776, independent conditional: 195, independent unconditional: 581, dependent: 1939, dependent conditional: 925, dependent unconditional: 1014, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4394, independent: 2584, independent conditional: 164, independent unconditional: 2420, dependent: 1239, dependent conditional: 436, dependent unconditional: 803, unknown: 571, unknown conditional: 56, unknown unconditional: 515] , Statistics on independence cache: Total cache size (in pairs): 571, Positive cache size: 475, Positive conditional cache size: 13, Positive unconditional cache size: 462, Negative cache size: 96, Negative conditional cache size: 43, Negative unconditional cache size: 53, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3233, Maximal queried relation: 6, Independence queries for same thread: 258 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [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; [L1] 0 //@ ghost int multithreaded = 0; [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=-1, 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=-1, 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=-1, 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$w_buff0 == 1)))); VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a$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=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [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=-1, t834=0, 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=-1, t834=0, 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=1, 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=1, 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=1, 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=1, 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=1, weak$$choice2=1, x=1, y=1, z=1] [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-1, t834=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L834] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L834] RET 0 assume_abort_if_not(main$tmp_guard0) [L836] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L837] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L838] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L839] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L840] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-1, t834=0, weak$$choice0=1, weak$$choice2=1, x=1, y=1, z=1] [L843] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t833=-1, t834=0, weak$$choice0=1, 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=1, 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=1, 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, 61 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 28.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.9s, 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: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 21.3s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 5204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2024-09-08 10:30:12,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 10:30:12,762 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