./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.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-local/safe029_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e94c40da 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/safe029_power.oepc_pso.oepc_rmo.oepc.i ./goblint.2024-09-02_08-21-23.files/mutex-meet-local/safe029_power.oepc_pso.oepc_rmo.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-dev-e94c40d-m [2024-09-23 22:39:13,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-23 22:39:13,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-23 22:39:13,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-23 22:39:13,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-23 22:39:13,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-23 22:39:13,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-23 22:39:13,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-23 22:39:13,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-23 22:39:13,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-23 22:39:13,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-23 22:39:13,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-23 22:39:13,116 INFO L153 SettingsManager]: * Use SBE=true [2024-09-23 22:39:13,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-23 22:39:13,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-23 22:39:13,117 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-23 22:39:13,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-23 22:39:13,118 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-23 22:39:13,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-23 22:39:13,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-23 22:39:13,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-23 22:39:13,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-23 22:39:13,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-23 22:39:13,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-23 22:39:13,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-23 22:39:13,125 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-23 22:39:13,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-23 22:39:13,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-23 22:39:13,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-23 22:39:13,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-23 22:39:13,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 22:39:13,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-23 22:39:13,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-23 22:39:13,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-23 22:39:13,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-23 22:39:13,129 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-23 22:39:13,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-23 22:39:13,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-23 22:39:13,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-23 22:39:13,130 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-23 22:39:13,130 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-23 22:39:13,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-23 22:39:13,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-23 22:39:13,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-23 22:39:13,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-23 22:39:13,424 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-23 22:39:13,424 INFO L274 PluginConnector]: CDTParser initialized [2024-09-23 22:39:13,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i [2024-09-23 22:39:14,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-23 22:39:15,198 INFO L384 CDTParser]: Found 1 translation units. [2024-09-23 22:39:15,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i [2024-09-23 22:39:15,220 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df32a8530/25316e8dc5fd4c71a1d8f6963198289b/FLAG15407c580 [2024-09-23 22:39:15,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/df32a8530/25316e8dc5fd4c71a1d8f6963198289b [2024-09-23 22:39:15,240 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-23 22:39:15,241 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-23 22:39:15,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-local/safe029_power.oepc_pso.oepc_rmo.oepc.yml/witness.yml [2024-09-23 22:39:15,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-23 22:39:15,497 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-23 22:39:15,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-23 22:39:15,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-23 22:39:15,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-23 22:39:15,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 10:39:15" (1/2) ... [2024-09-23 22:39:15,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcd8b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 10:39:15, skipping insertion in model container [2024-09-23 22:39:15,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 10:39:15" (1/2) ... [2024-09-23 22:39:15,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fd8369e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 10:39:15, skipping insertion in model container [2024-09-23 22:39:15,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 10:39:15" (2/2) ... [2024-09-23 22:39:15,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcd8b3f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:15, skipping insertion in model container [2024-09-23 22:39:15,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 10:39:15" (2/2) ... [2024-09-23 22:39:15,883 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-23 22:39:15,884 INFO L1541 ArrayList]: Location invariant before [L748-L748] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,884 INFO L1541 ArrayList]: Location invariant before [L775-L775] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,884 INFO L1541 ArrayList]: Location invariant before [L762-L762] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,885 INFO L1541 ArrayList]: Location invariant before [L734-L734] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,885 INFO L1541 ArrayList]: Location invariant before [L745-L745] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,885 INFO L1541 ArrayList]: Location invariant before [L768-L768] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,885 INFO L1541 ArrayList]: Location invariant before [L765-L765] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,886 INFO L1541 ArrayList]: Location invariant before [L755-L755] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,886 INFO L1541 ArrayList]: Location invariant before [L799-L799] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,886 INFO L1541 ArrayList]: Location invariant before [L806-L806] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,886 INFO L1541 ArrayList]: Location invariant before [L795-L795] ((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && ((1LL + (long long )y$r_buff0_thd1) - (long long )y$w_buff0 >= 0LL)) && ((1LL + (long long )y$r_buff1_thd1) - (long long )y$w_buff1 >= 0LL)) && ((0LL - (long long )y$flush_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd0) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$r_buff1_thd2) - (long long )y$w_buff1_used >= 0LL)) && ((0LL - (long long )y$read_delayed) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )main$tmp_guard1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff0_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$r_buff1_thd1) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )y$w_buff0_used) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice0) - (long long )y$w_buff1_used >= 0LL)) && ((1LL - (long long )weak$$choice2) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )x) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$mem_tmp) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff0) - (long long )y$w_buff1_used >= 0LL)) && ((2LL - (long long )y$w_buff1) - (long long )y$w_buff1_used >= 0LL)) && ((long long )__unbuffered_cnt - (long long )y$w_buff1_used >= 0LL)) && ((long long )main$tmp_guard1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )x - (long long )y$w_buff1_used >= 0LL)) && ((long long )y - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$flush_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$mem_tmp - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$r_buff1_thd2 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$read_delayed - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff0_used - (long long )y$w_buff1_used >= 0LL)) && ((long long )y$w_buff1 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice0 - (long long )y$w_buff1_used >= 0LL)) && ((long long )weak$$choice2 - (long long )y$w_buff1_used >= 0LL)) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd2 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd2 == (_Bool)0)) && (y$read_delayed == (_Bool)0)) && (y$read_delayed_var == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2)) && (y$w_buff1 == 0 || y$w_buff1 == 2)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)) && ((y$mem_tmp == 0 || y$mem_tmp == 1) || y$mem_tmp == 2) [2024-09-23 22:39:15,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-23 22:39:16,106 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i[970,983] [2024-09-23 22:39:16,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 22:39:16,324 INFO L200 MainTranslator]: Completed pre-run [2024-09-23 22:39:16,337 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.oepc_pso.oepc_rmo.oepc.i[970,983] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-23 22:39:16,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-23 22:39:16,585 INFO L204 MainTranslator]: Completed translation [2024-09-23 22:39:16,585 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16 WrapperNode [2024-09-23 22:39:16,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-23 22:39:16,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-23 22:39:16,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-23 22:39:16,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-23 22:39:16,594 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 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,630 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 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,684 INFO L138 Inliner]: procedures = 174, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2024-09-23 22:39:16,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-23 22:39:16,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-23 22:39:16,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-23 22:39:16,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-23 22:39:16,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,745 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,767 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-23 22:39:16,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-23 22:39:16,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-23 22:39:16,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-23 22:39:16,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (1/1) ... [2024-09-23 22:39:16,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-23 22:39:16,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 22:39:16,812 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) [2024-09-23 22:39:16,844 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 [2024-09-23 22:39:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-23 22:39:16,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-23 22:39:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-23 22:39:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-23 22:39:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-23 22:39:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-23 22:39:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-23 22:39:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-23 22:39:16,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-23 22:39:16,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-23 22:39:16,893 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-23 22:39:17,030 INFO L242 CfgBuilder]: Building ICFG [2024-09-23 22:39:17,032 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-23 22:39:17,835 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-23 22:39:17,835 INFO L291 CfgBuilder]: Performing block encoding [2024-09-23 22:39:18,296 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-23 22:39:18,297 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-23 22:39:18,298 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:39:18 BoogieIcfgContainer [2024-09-23 22:39:18,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-23 22:39:18,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-23 22:39:18,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-23 22:39:18,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-23 22:39:18,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 10:39:15" (1/4) ... [2024-09-23 22:39:18,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd284a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 10:39:18, skipping insertion in model container [2024-09-23 22:39:18,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 10:39:15" (2/4) ... [2024-09-23 22:39:18,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd284a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 10:39:18, skipping insertion in model container [2024-09-23 22:39:18,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 10:39:16" (3/4) ... [2024-09-23 22:39:18,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd284a7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 10:39:18, skipping insertion in model container [2024-09-23 22:39:18,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:39:18" (4/4) ... [2024-09-23 22:39:18,309 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_power.oepc_pso.oepc_rmo.oepc.i [2024-09-23 22:39:18,324 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-23 22:39:18,325 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-23 22:39:18,325 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-23 22:39:18,448 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-23 22:39:18,489 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 22:39:18,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 22:39:18,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 22:39:18,491 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) [2024-09-23 22:39:18,493 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 [2024-09-23 22:39:18,554 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 22:39:18,569 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-09-23 22:39:18,575 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;@384554ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 22:39:18,576 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-09-23 22:39:18,944 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:18,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:18,950 INFO L85 PathProgramCache]: Analyzing trace with hash -820250320, now seen corresponding path program 1 times [2024-09-23 22:39:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:18,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032342992] [2024-09-23 22:39:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:18,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:20,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:20,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032342992] [2024-09-23 22:39:20,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032342992] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:20,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:20,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 22:39:20,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596453841] [2024-09-23 22:39:20,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:20,718 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 22:39:20,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:20,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 22:39:20,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 22:39:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:20,748 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:20,750 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-09-23 22:39:20,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:20,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:20,991 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-23 22:39:20,992 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:20,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 342044281, now seen corresponding path program 1 times [2024-09-23 22:39:20,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:20,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999951062] [2024-09-23 22:39:20,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:20,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:21,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:21,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999951062] [2024-09-23 22:39:21,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999951062] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:21,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:21,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 22:39:21,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277292808] [2024-09-23 22:39:21,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:21,865 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 22:39:21,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:21,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 22:39:21,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-23 22:39:21,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:21,867 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:21,867 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-09-23 22:39:21,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:21,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:22,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:22,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:22,296 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-23 22:39:22,297 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:22,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:22,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2013438546, now seen corresponding path program 1 times [2024-09-23 22:39:22,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:22,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618624199] [2024-09-23 22:39:22,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:22,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:23,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:23,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618624199] [2024-09-23 22:39:23,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618624199] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:23,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:23,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 22:39:23,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716184639] [2024-09-23 22:39:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:23,612 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 22:39:23,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:23,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 22:39:23,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-23 22:39:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:23,613 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:23,614 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-09-23 22:39:23,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:23,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:23,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:24,527 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-23 22:39:24,527 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:24,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:24,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1065503031, now seen corresponding path program 1 times [2024-09-23 22:39:24,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:24,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847043435] [2024-09-23 22:39:24,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:24,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:25,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:25,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847043435] [2024-09-23 22:39:25,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847043435] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:25,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:25,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-23 22:39:25,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528457765] [2024-09-23 22:39:25,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:25,569 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-23 22:39:25,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:25,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-23 22:39:25,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-23 22:39:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:25,570 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:25,570 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-09-23 22:39:25,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:25,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:25,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:25,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:25,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:25,852 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-23 22:39:25,852 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:25,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:25,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1066158433, now seen corresponding path program 1 times [2024-09-23 22:39:25,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:25,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606082057] [2024-09-23 22:39:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:26,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:26,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606082057] [2024-09-23 22:39:26,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606082057] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:26,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:26,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-23 22:39:26,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144075230] [2024-09-23 22:39:26,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:26,554 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 22:39:26,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:26,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 22:39:26,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 22:39:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:26,555 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:26,555 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-09-23 22:39:26,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:26,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:26,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:26,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:26,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:28,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:28,989 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-23 22:39:28,989 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:28,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash -230010782, now seen corresponding path program 1 times [2024-09-23 22:39:28,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:28,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944170340] [2024-09-23 22:39:28,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:28,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:30,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:30,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944170340] [2024-09-23 22:39:30,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944170340] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:30,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:30,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 22:39:30,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084892055] [2024-09-23 22:39:30,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:30,987 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 22:39:30,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:30,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 22:39:30,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-09-23 22:39:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:30,988 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:30,988 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:30,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:31,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:31,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:31,822 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-23 22:39:31,823 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:31,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:31,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1276830055, now seen corresponding path program 1 times [2024-09-23 22:39:31,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:31,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572850451] [2024-09-23 22:39:31,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:31,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:33,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:33,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572850451] [2024-09-23 22:39:33,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572850451] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:33,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:33,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 22:39:33,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87632435] [2024-09-23 22:39:33,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:33,608 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 22:39:33,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:33,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 22:39:33,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-23 22:39:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:33,609 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:33,609 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:33,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:34,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:34,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:34,956 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-23 22:39:34,956 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 1 more)] === [2024-09-23 22:39:34,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:34,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1472853179, now seen corresponding path program 1 times [2024-09-23 22:39:34,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:34,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417946798] [2024-09-23 22:39:34,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:34,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:36,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:36,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417946798] [2024-09-23 22:39:36,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417946798] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:36,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:36,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 22:39:36,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834359349] [2024-09-23 22:39:36,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:36,989 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 22:39:36,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 22:39:36,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-23 22:39:36,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:36,990 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:36,991 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2024-09-23 22:39:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:36,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:36,992 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:38,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:38,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:38,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-09-23 22:39:38,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-09-23 22:39:38,028 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 4 remaining) [2024-09-23 22:39:38,029 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 4 remaining) [2024-09-23 22:39:38,029 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-23 22:39:38,034 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-09-23 22:39:38,038 INFO L312 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE (1/3) [2024-09-23 22:39:38,042 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 22:39:38,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-23 22:39:38,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-23 22:39:38,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-23 22:39:38,071 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-09-23 22:39:38,078 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-23 22:39:38,079 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-23 22:39:38,079 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;@384554ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-23 22:39:38,079 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-23 22:39:38,246 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:38,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:38,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2013436482, now seen corresponding path program 1 times [2024-09-23 22:39:38,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:38,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204626311] [2024-09-23 22:39:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:38,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:39,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204626311] [2024-09-23 22:39:39,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204626311] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:39,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:39,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-23 22:39:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395426787] [2024-09-23 22:39:39,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:39,157 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-23 22:39:39,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:39,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-23 22:39:39,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-23 22:39:39,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:39,158 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:39,158 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2024-09-23 22:39:39,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:39,312 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-23 22:39:39,312 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:39,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:39,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2007916213, now seen corresponding path program 1 times [2024-09-23 22:39:39,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:39,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333240267] [2024-09-23 22:39:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:39,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:39,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333240267] [2024-09-23 22:39:39,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333240267] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:39,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:39,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 22:39:39,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397255110] [2024-09-23 22:39:39,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:39,947 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 22:39:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:39,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 22:39:39,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-23 22:39:39,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:39,948 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:39,948 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-09-23 22:39:39,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:39,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:40,261 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-23 22:39:40,262 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:40,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:40,262 INFO L85 PathProgramCache]: Analyzing trace with hash -2115796252, now seen corresponding path program 1 times [2024-09-23 22:39:40,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:40,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996707470] [2024-09-23 22:39:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:40,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:41,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:41,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:41,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996707470] [2024-09-23 22:39:41,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996707470] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:41,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:41,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 22:39:41,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067815808] [2024-09-23 22:39:41,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:41,369 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 22:39:41,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:41,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 22:39:41,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-23 22:39:41,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:41,370 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:41,371 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 22:39:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:41,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:41,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:41,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:41,505 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-23 22:39:41,505 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:41,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:41,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1758549114, now seen corresponding path program 1 times [2024-09-23 22:39:41,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:41,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404490175] [2024-09-23 22:39:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:41,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:42,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404490175] [2024-09-23 22:39:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404490175] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:42,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:42,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-23 22:39:42,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567729526] [2024-09-23 22:39:42,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:42,545 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-23 22:39:42,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:42,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-23 22:39:42,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-09-23 22:39:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:42,546 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:42,546 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) [2024-09-23 22:39:42,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:42,546 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:42,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:42,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:42,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:42,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:42,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:42,755 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-23 22:39:42,755 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:42,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash 670961942, now seen corresponding path program 1 times [2024-09-23 22:39:42,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:42,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597239844] [2024-09-23 22:39:42,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:42,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:43,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:43,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597239844] [2024-09-23 22:39:43,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597239844] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:43,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:43,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-23 22:39:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963928532] [2024-09-23 22:39:43,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:43,002 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-23 22:39:43,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:43,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-23 22:39:43,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-23 22:39:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:43,002 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:43,002 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-09-23 22:39:43,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:43,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:43,003 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:43,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:43,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:43,176 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-23 22:39:43,176 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:43,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:43,176 INFO L85 PathProgramCache]: Analyzing trace with hash -2043537084, now seen corresponding path program 1 times [2024-09-23 22:39:43,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:43,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422266535] [2024-09-23 22:39:43,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:43,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:43,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:43,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422266535] [2024-09-23 22:39:43,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422266535] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:43,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:43,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-23 22:39:43,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48633167] [2024-09-23 22:39:43,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:43,476 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-23 22:39:43,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:43,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-23 22:39:43,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-23 22:39:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:43,476 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:43,477 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:43,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:44,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:44,060 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-23 22:39:44,060 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:44,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:44,060 INFO L85 PathProgramCache]: Analyzing trace with hash -48541430, now seen corresponding path program 1 times [2024-09-23 22:39:44,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:44,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111121777] [2024-09-23 22:39:44,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:45,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:45,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:45,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111121777] [2024-09-23 22:39:45,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111121777] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:45,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:45,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-23 22:39:45,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618154897] [2024-09-23 22:39:45,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:45,686 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 22:39:45,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:45,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 22:39:45,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-09-23 22:39:45,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:45,688 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:45,688 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:45,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:45,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:45,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:45,872 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-23 22:39:45,873 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:45,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:45,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1850473278, now seen corresponding path program 1 times [2024-09-23 22:39:45,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:45,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713703087] [2024-09-23 22:39:45,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:45,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:46,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:46,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:46,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713703087] [2024-09-23 22:39:46,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713703087] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:46,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:46,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-23 22:39:46,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848528313] [2024-09-23 22:39:46,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:46,556 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-23 22:39:46,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:46,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-23 22:39:46,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-23 22:39:46,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:46,557 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:46,557 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-23 22:39:46,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:46,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:46,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:46,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:46,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:46,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:46,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:46,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:48,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:48,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:48,940 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-23 22:39:48,940 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:48,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:48,940 INFO L85 PathProgramCache]: Analyzing trace with hash 988255670, now seen corresponding path program 2 times [2024-09-23 22:39:48,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:48,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157150052] [2024-09-23 22:39:48,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:48,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-23 22:39:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-23 22:39:50,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-23 22:39:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157150052] [2024-09-23 22:39:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157150052] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-23 22:39:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-23 22:39:50,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-23 22:39:50,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99025680] [2024-09-23 22:39:50,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-23 22:39:50,535 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-23 22:39:50,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-23 22:39:50,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-23 22:39:50,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-09-23 22:39:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:50,536 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-23 22:39:50,536 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-09-23 22:39:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:50,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-23 22:39:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:50,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-23 22:39:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-23 22:39:50,971 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-23 22:39:50,971 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-23 22:39:50,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-23 22:39:50,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1379005974, now seen corresponding path program 2 times [2024-09-23 22:39:50,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-23 22:39:50,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949806573] [2024-09-23 22:39:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-23 22:39:50,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-23 22:39:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-23 22:39:51,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-23 22:39:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-23 22:39:51,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-23 22:39:51,142 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-23 22:39:51,142 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-09-23 22:39:51,142 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-23 22:39:51,143 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-23 22:39:51,143 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 6 remaining) [2024-09-23 22:39:51,144 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-23 22:39:51,144 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-23 22:39:51,144 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-23 22:39:51,145 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2024-09-23 22:39:51,147 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/3) [2024-09-23 22:39:51,220 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-23 22:39:51,221 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-23 22:39:51,224 INFO L469 ceAbstractionStarter]: Automizer considered 11 witness invariants [2024-09-23 22:39:51,224 INFO L470 ceAbstractionStarter]: WitnessConsidered=11 [2024-09-23 22:39:51,224 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 10:39:51 BasicIcfg [2024-09-23 22:39:51,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-23 22:39:51,225 INFO L158 Benchmark]: Toolchain (without parser) took 35728.31ms. Allocated memory was 151.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 72.8MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 257.8MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,225 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 116.1MB in the end (delta: 226.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 22:39:51,225 INFO L158 Benchmark]: Witness Parser took 1.28ms. Allocated memory is still 151.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-23 22:39:51,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.06ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 72.3MB in the beginning and 88.8MB in the end (delta: -16.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.20ms. Allocated memory is still 195.0MB. Free memory was 88.8MB in the beginning and 79.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,226 INFO L158 Benchmark]: Boogie Preprocessor took 94.34ms. Allocated memory is still 195.0MB. Free memory was 79.3MB in the beginning and 73.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,226 INFO L158 Benchmark]: RCFGBuilder took 1517.41ms. Allocated memory is still 195.0MB. Free memory was 73.0MB in the beginning and 102.0MB in the end (delta: -29.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,227 INFO L158 Benchmark]: TraceAbstraction took 32924.45ms. Allocated memory was 195.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 101.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 238.8MB. Max. memory is 16.1GB. [2024-09-23 22:39:51,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 116.1MB in the end (delta: 226.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.28ms. Allocated memory is still 151.0MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.06ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 72.3MB in the beginning and 88.8MB in the end (delta: -16.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.20ms. Allocated memory is still 195.0MB. Free memory was 88.8MB in the beginning and 79.3MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.34ms. Allocated memory is still 195.0MB. Free memory was 79.3MB in the beginning and 73.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1517.41ms. Allocated memory is still 195.0MB. Free memory was 73.0MB in the beginning and 102.0MB in the end (delta: -29.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 32924.45ms. Allocated memory was 195.0MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 101.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 238.8MB. 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: 5445, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 1012, dependent conditional: 981, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4553, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4553, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 405, dependent conditional: 374, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 29, independent unconditional: 4404, dependent: 405, dependent conditional: 255, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 29, independent unconditional: 4404, dependent: 405, dependent conditional: 255, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 784, independent conditional: 9, independent unconditional: 775, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 565, independent conditional: 0, independent unconditional: 565, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 288, independent: 219, independent conditional: 9, independent unconditional: 210, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 288, independent: 219, independent conditional: 9, independent unconditional: 210, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5262, independent: 3530, independent conditional: 145, independent unconditional: 3385, dependent: 1731, dependent conditional: 1114, dependent unconditional: 618, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4838, independent: 3649, independent conditional: 20, independent unconditional: 3629, dependent: 336, dependent conditional: 217, dependent unconditional: 119, unknown: 853, unknown conditional: 47, unknown unconditional: 806] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 784, Positive conditional cache size: 9, Positive unconditional cache size: 775, Negative cache size: 69, Negative conditional cache size: 38, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3763, Maximal queried relation: 7, Independence queries for same thread: 892, Persistent sets #1 benchmarks: Persistent set computation time: 3.8s, Number of persistent set computation: 278, Number of trivial persistent sets: 165, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 791, independent: 760, independent conditional: 0, independent unconditional: 760, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5445, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 1012, dependent conditional: 981, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4553, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4553, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 120, dependent conditional: 89, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 3673, independent unconditional: 760, dependent: 405, dependent conditional: 374, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 29, independent unconditional: 4404, dependent: 405, dependent conditional: 255, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4838, independent: 4433, independent conditional: 29, independent unconditional: 4404, dependent: 405, dependent conditional: 255, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 853, independent: 784, independent conditional: 9, independent unconditional: 775, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 853, independent: 565, independent conditional: 0, independent unconditional: 565, dependent: 288, dependent conditional: 0, dependent unconditional: 288, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 288, independent: 219, independent conditional: 9, independent unconditional: 210, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 288, independent: 219, independent conditional: 9, independent unconditional: 210, dependent: 69, dependent conditional: 38, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5262, independent: 3530, independent conditional: 145, independent unconditional: 3385, dependent: 1731, dependent conditional: 1114, dependent unconditional: 618, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4838, independent: 3649, independent conditional: 20, independent unconditional: 3629, dependent: 336, dependent conditional: 217, dependent unconditional: 119, unknown: 853, unknown conditional: 47, unknown unconditional: 806] , Statistics on independence cache: Total cache size (in pairs): 853, Positive cache size: 784, Positive conditional cache size: 9, Positive unconditional cache size: 775, Negative cache size: 69, Negative conditional cache size: 38, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3763, Maximal queried relation: 7, Independence queries for same thread: 892 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2111, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 358, dependent conditional: 332, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1804, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 51, dependent conditional: 25, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1804, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 51, dependent conditional: 25, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 191, dependent conditional: 165, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 19, independent unconditional: 1734, dependent: 191, dependent conditional: 121, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 19, independent unconditional: 1734, dependent: 191, dependent conditional: 121, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, independent: 614, independent conditional: 3, independent unconditional: 611, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 165, independent conditional: 3, independent unconditional: 162, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 165, independent conditional: 3, independent unconditional: 162, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2854, independent: 2180, independent conditional: 25, independent unconditional: 2155, dependent: 675, dependent conditional: 361, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1944, independent: 1139, independent conditional: 16, independent unconditional: 1123, dependent: 137, dependent conditional: 93, dependent unconditional: 44, unknown: 668, unknown conditional: 31, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 614, Positive conditional cache size: 3, Positive unconditional cache size: 611, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1178, Maximal queried relation: 5, Independence queries for same thread: 307, Persistent sets #1 benchmarks: Persistent set computation time: 2.4s, Number of persistent set computation: 137, Number of trivial persistent sets: 81, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 626, independent: 600, independent conditional: 0, independent unconditional: 600, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2111, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 358, dependent conditional: 332, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1804, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 51, dependent conditional: 25, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1804, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 51, dependent conditional: 25, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 1153, independent unconditional: 600, dependent: 191, dependent conditional: 165, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 19, independent unconditional: 1734, dependent: 191, dependent conditional: 121, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1944, independent: 1753, independent conditional: 19, independent unconditional: 1734, dependent: 191, dependent conditional: 121, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 668, independent: 614, independent conditional: 3, independent unconditional: 611, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 668, independent: 449, independent conditional: 0, independent unconditional: 449, dependent: 219, dependent conditional: 0, dependent unconditional: 219, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 219, independent: 165, independent conditional: 3, independent unconditional: 162, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 219, independent: 165, independent conditional: 3, independent unconditional: 162, dependent: 54, dependent conditional: 28, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2854, independent: 2180, independent conditional: 25, independent unconditional: 2155, dependent: 675, dependent conditional: 361, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1944, independent: 1139, independent conditional: 16, independent unconditional: 1123, dependent: 137, dependent conditional: 93, dependent unconditional: 44, unknown: 668, unknown conditional: 31, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 668, Positive cache size: 614, Positive conditional cache size: 3, Positive unconditional cache size: 611, Negative cache size: 54, Negative conditional cache size: 28, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1178, Maximal queried relation: 5, Independence queries for same thread: 307 - 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; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L714] 0 int y = 0; [L715] 0 _Bool y$flush_delayed; [L716] 0 int y$mem_tmp; [L717] 0 _Bool y$r_buff0_thd0; [L718] 0 _Bool y$r_buff0_thd1; [L719] 0 _Bool y$r_buff0_thd2; [L720] 0 _Bool y$r_buff1_thd0; [L721] 0 _Bool y$r_buff1_thd1; [L722] 0 _Bool y$r_buff1_thd2; [L723] 0 _Bool y$read_delayed; [L724] 0 int *y$read_delayed_var; [L725] 0 int y$w_buff0; [L726] 0 _Bool y$w_buff0_used; [L727] 0 int y$w_buff1; [L728] 0 _Bool y$w_buff1_used; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L790] 0 pthread_t t2473; [L791] FCALL, FORK 0 pthread_create(&t2473, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2473=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L792] 0 pthread_t t2474; [L793] FCALL, FORK 0 pthread_create(&t2474, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2473=-2, t2474=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L734] 1 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L734] 1 y$w_buff1 = y$w_buff0 [L735] 1 y$w_buff0 = 2 [L736] 1 y$w_buff1_used = y$w_buff0_used [L737] 1 y$w_buff0_used = (_Bool)1 [L738] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L738] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L739] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L740] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L741] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L742] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L745] 1 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L745] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L762] 2 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L762] 2 x = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L765] 2 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L765] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L768] 2 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L768] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L769] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L770] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L771] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L772] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L775] 2 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L777] 2 return 0; [L748] 1 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L748] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L749] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L750] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L751] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L752] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L755] 1 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L755] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L795] 0 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2473=-2, t2474=-1, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L797] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L797] RET 0 assume_abort_if_not(main$tmp_guard0) [L799] 0 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L799] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L800] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L801] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L802] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L803] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2473=-2, t2474=-1, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L806] 0 //@ assert (((((((((((((((((((((((((((((((((((((((((((((((((((0 <= __unbuffered_cnt) && (((1LL + (long long) y$r_buff0_thd1) - (long long) y$w_buff0) >= 0LL)) && (((1LL + (long long) y$r_buff1_thd1) - (long long) y$w_buff1) >= 0LL)) && (((0LL - (long long) y$flush_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff0_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd0) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$r_buff1_thd2) - (long long) y$w_buff1_used) >= 0LL)) && (((0LL - (long long) y$read_delayed) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) main$tmp_guard1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff0_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$r_buff1_thd1) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) y$w_buff0_used) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice0) - (long long) y$w_buff1_used) >= 0LL)) && (((1LL - (long long) weak$$choice2) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) x) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$mem_tmp) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff0) - (long long) y$w_buff1_used) >= 0LL)) && (((2LL - (long long) y$w_buff1) - (long long) y$w_buff1_used) >= 0LL)) && (((long long) __unbuffered_cnt - (long long) y$w_buff1_used) >= 0LL)) && (((long long) main$tmp_guard1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) x - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$flush_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$mem_tmp - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff0_used) >= 0LL)) && (((long long) y$r_buff0_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff0_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$r_buff1_thd2 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$read_delayed - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff0_used - (long long) y$w_buff1_used) >= 0LL)) && (((long long) y$w_buff1 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice0 - (long long) y$w_buff1_used) >= 0LL)) && (((long long) weak$$choice2 - (long long) y$w_buff1_used) >= 0LL)) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd2 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd2 == (_Bool) 0)) && (y$read_delayed == (_Bool) 0)) && (y$read_delayed_var == 0)) && ((y$w_buff0 == 0) || (y$w_buff0 == 2))) && ((y$w_buff1 == 0) || (y$w_buff1 == 2))) && (((x == 0) || (x == 1)) || (x == 2))) && (((y == 0) || (y == 1)) || (y == 2))) && (((y$mem_tmp == 0) || (y$mem_tmp == 1)) || (y$mem_tmp == 2))); [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 y$flush_delayed = weak$$choice2 [L809] 0 y$mem_tmp = y [L810] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L811] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L812] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L813] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L814] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L816] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] 0 y = y$flush_delayed ? y$mem_tmp : y [L819] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2473=-2, t2474=-1, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: 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: 791]: 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: P1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 66 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.9s, 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: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 3468 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 66 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 4.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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, 0.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 4793 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-09-23 22:39:51,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0 [2024-09-23 22:39:51,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-23 22:39:51,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE