./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-local/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i ./goblint.2024-09-02_08-21-23.files/protection-local/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 19:00:18,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 19:00:18,508 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 19:00:18,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 19:00:18,515 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 19:00:18,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 19:00:18,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 19:00:18,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 19:00:18,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 19:00:18,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 19:00:18,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 19:00:18,549 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 19:00:18,550 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 19:00:18,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 19:00:18,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 19:00:18,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 19:00:18,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 19:00:18,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 19:00:18,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 19:00:18,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 19:00:18,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 19:00:18,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 19:00:18,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 19:00:18,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 19:00:18,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 19:00:18,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 19:00:18,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 19:00:18,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 19:00:18,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 19:00:18,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 19:00:18,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 19:00:18,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 19:00:18,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 19:00:18,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 19:00:18,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 19:00:18,561 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 19:00:18,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 19:00:18,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 19:00:18,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 19:00:18,562 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 19:00:18,562 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 19:00:18,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 19:00:18,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 19:00:18,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 19:00:18,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 19:00:18,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 19:00:18,861 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 19:00:18,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-09-08 19:00:20,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 19:00:20,637 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 19:00:20,638 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-09-08 19:00:20,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a136d63fc/68548acf3d1e41d599ef8fad5938e551/FLAG4df9a6d48 [2024-09-08 19:00:20,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a136d63fc/68548acf3d1e41d599ef8fad5938e551 [2024-09-08 19:00:20,921 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 19:00:20,922 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 19:00:20,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.yml/witness.yml [2024-09-08 19:00:21,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 19:00:21,094 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 19:00:21,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 19:00:21,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 19:00:21,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 19:00:21,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:00:20" (1/2) ... [2024-09-08 19:00:21,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9f4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:00:21, skipping insertion in model container [2024-09-08 19:00:21,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 07:00:20" (1/2) ... [2024-09-08 19:00:21,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21a0ecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 07:00:21, skipping insertion in model container [2024-09-08 19:00:21,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 07:00:21" (2/2) ... [2024-09-08 19:00:21,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9f4ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:21, skipping insertion in model container [2024-09-08 19:00:21,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 07:00:21" (2/2) ... [2024-09-08 19:00:21,332 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 19:00:21,333 INFO L1541 ArrayList]: Location invariant before [L765-L765] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L862-L862] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L812-L812] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L819-L819] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L851-L851] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L802-L802] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,334 INFO L1541 ArrayList]: Location invariant before [L767-L767] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L774-L774] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L786-L786] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L829-L829] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L822-L822] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L746-L746] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,335 INFO L1541 ArrayList]: Location invariant before [L855-L855] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,336 INFO L1541 ArrayList]: Location invariant before [L749-L749] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,336 INFO L1541 ArrayList]: Location invariant before [L805-L805] ((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool)0)) && (y$r_buff0_thd0 == (_Bool)0)) && (y$r_buff0_thd1 == (_Bool)0)) && (y$r_buff0_thd3 == (_Bool)0)) && (y$r_buff1_thd0 == (_Bool)0)) && (y$r_buff1_thd1 == (_Bool)0)) && (y$r_buff1_thd3 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (y == 0 || y == 1)) && (y$mem_tmp == 0 || y$mem_tmp == 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-09-08 19:00:21,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 19:00:21,623 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i[1035,1048] [2024-09-08 19:00:21,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 19:00:21,891 INFO L200 MainTranslator]: Completed pre-run [2024-09-08 19:00:21,906 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i[1035,1048] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 19:00:22,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 19:00:22,118 INFO L204 MainTranslator]: Completed translation [2024-09-08 19:00:22,118 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22 WrapperNode [2024-09-08 19:00:22,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 19:00:22,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 19:00:22,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 19:00:22,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 19:00:22,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,184 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 154 [2024-09-08 19:00:22,185 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 19:00:22,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 19:00:22,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 19:00:22,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 19:00:22,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 19:00:22,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 19:00:22,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 19:00:22,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 19:00:22,229 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (1/1) ... [2024-09-08 19:00:22,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 19:00:22,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 19:00:22,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-09-08 19:00:22,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-09-08 19:00:22,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 19:00:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 19:00:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-08 19:00:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-08 19:00:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-08 19:00:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-08 19:00:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-09-08 19:00:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-09-08 19:00:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 19:00:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 19:00:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 19:00:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 19:00:22,346 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 19:00:22,518 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 19:00:22,521 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 19:00:23,104 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 19:00:23,104 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 19:00:23,442 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 19:00:23,443 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 19:00:23,444 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:00:23 BoogieIcfgContainer [2024-09-08 19:00:23,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 19:00:23,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 19:00:23,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 19:00:23,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 19:00:23,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 07:00:20" (1/4) ... [2024-09-08 19:00:23,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa8e698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 07:00:23, skipping insertion in model container [2024-09-08 19:00:23,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 07:00:21" (2/4) ... [2024-09-08 19:00:23,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa8e698 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 07:00:23, skipping insertion in model container [2024-09-08 19:00:23,452 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 07:00:22" (3/4) ... [2024-09-08 19:00:23,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aa8e698 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 07:00:23, skipping insertion in model container [2024-09-08 19:00:23,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 07:00:23" (4/4) ... [2024-09-08 19:00:23,454 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_power.opt_pso.oepc_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-09-08 19:00:23,476 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 19:00:23,476 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 17 error locations. [2024-09-08 19:00:23,476 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 19:00:23,598 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 19:00:23,647 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 19:00:23,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 19:00:23,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 19:00:23,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-09-08 19:00:23,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-09-08 19:00:23,688 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 19:00:23,703 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2024-09-08 19:00:23,711 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;@34afb6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 19:00:23,711 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 19:00:24,367 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:24,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:24,373 INFO L85 PathProgramCache]: Analyzing trace with hash 342156495, now seen corresponding path program 1 times [2024-09-08 19:00:24,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:24,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104023131] [2024-09-08 19:00:24,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:24,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:25,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:25,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104023131] [2024-09-08 19:00:25,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104023131] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:25,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:25,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 19:00:25,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536006513] [2024-09-08 19:00:25,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:25,819 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 19:00:25,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:25,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 19:00:25,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 19:00:25,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:25,847 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:25,849 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-09-08 19:00:25,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:25,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:25,913 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 19:00:25,914 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:25,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:25,914 INFO L85 PathProgramCache]: Analyzing trace with hash 343080016, now seen corresponding path program 1 times [2024-09-08 19:00:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:25,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511167499] [2024-09-08 19:00:25,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:25,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:26,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:26,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511167499] [2024-09-08 19:00:26,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511167499] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:26,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:26,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 19:00:26,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008926382] [2024-09-08 19:00:26,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:26,334 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 19:00:26,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:26,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 19:00:26,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-08 19:00:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:26,336 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:26,336 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-09-08 19:00:26,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:26,336 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:26,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:26,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:26,589 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 19:00:26,589 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:26,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:26,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2045546456, now seen corresponding path program 1 times [2024-09-08 19:00:26,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:26,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115020511] [2024-09-08 19:00:26,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:27,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:27,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115020511] [2024-09-08 19:00:27,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115020511] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:27,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:27,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 19:00:27,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652354247] [2024-09-08 19:00:27,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:27,108 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:27,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:27,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:27,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:27,110 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:27,110 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:27,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:27,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:27,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:28,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:28,441 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 19:00:28,441 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:28,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:28,442 INFO L85 PathProgramCache]: Analyzing trace with hash -852847555, now seen corresponding path program 1 times [2024-09-08 19:00:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:28,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728583919] [2024-09-08 19:00:28,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:28,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:29,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:29,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728583919] [2024-09-08 19:00:29,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728583919] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:29,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:29,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:29,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204645031] [2024-09-08 19:00:29,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:29,230 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 19:00:29,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:29,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 19:00:29,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-08 19:00:29,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:29,231 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:29,231 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:29,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:29,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:30,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:30,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:30,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:30,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:30,180 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 19:00:30,181 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:30,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:30,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1518689746, now seen corresponding path program 1 times [2024-09-08 19:00:30,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:30,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611012550] [2024-09-08 19:00:30,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:30,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:31,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:31,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611012550] [2024-09-08 19:00:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611012550] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:31,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:31,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:31,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335616561] [2024-09-08 19:00:31,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:31,039 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:31,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:31,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:31,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:31,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:31,040 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:31,041 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:31,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:31,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:31,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:31,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:31,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:31,597 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 19:00:31,598 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:31,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:31,598 INFO L85 PathProgramCache]: Analyzing trace with hash 716873576, now seen corresponding path program 1 times [2024-09-08 19:00:31,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:31,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171183682] [2024-09-08 19:00:31,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:31,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:32,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:32,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171183682] [2024-09-08 19:00:32,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171183682] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:32,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:32,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 19:00:32,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624200953] [2024-09-08 19:00:32,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:32,723 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 19:00:32,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:32,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 19:00:32,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-08 19:00:32,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:32,724 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:32,725 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:32,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:33,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:33,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:33,105 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 19:00:33,105 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:33,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:33,106 INFO L85 PathProgramCache]: Analyzing trace with hash 748244928, now seen corresponding path program 1 times [2024-09-08 19:00:33,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:33,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39567560] [2024-09-08 19:00:33,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:33,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:34,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39567560] [2024-09-08 19:00:34,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39567560] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:34,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:34,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 19:00:34,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452113542] [2024-09-08 19:00:34,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:34,235 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 19:00:34,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:34,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 19:00:34,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-09-08 19:00:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:34,237 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:34,237 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:34,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:34,592 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 19:00:34,592 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:34,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:34,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1451847131, now seen corresponding path program 1 times [2024-09-08 19:00:34,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:34,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177345956] [2024-09-08 19:00:34,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:34,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:35,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:35,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177345956] [2024-09-08 19:00:35,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177345956] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:35,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:35,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-08 19:00:35,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946332731] [2024-09-08 19:00:35,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:35,908 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-08 19:00:35,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:35,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-08 19:00:35,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-09-08 19:00:35,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:35,909 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:35,909 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:35,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:38,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:38,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:38,015 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 19:00:38,015 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:38,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1183845653, now seen corresponding path program 1 times [2024-09-08 19:00:38,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:38,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333581999] [2024-09-08 19:00:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:38,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:39,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:39,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333581999] [2024-09-08 19:00:39,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333581999] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:39,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:39,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:00:39,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312087130] [2024-09-08 19:00:39,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:39,783 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 19:00:39,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:39,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 19:00:39,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-09-08 19:00:39,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:39,784 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:39,784 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 11 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:39,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:39,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:39,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:40,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:40,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:40,589 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 19:00:40,589 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:40,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:40,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1955515897, now seen corresponding path program 1 times [2024-09-08 19:00:40,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:40,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668607021] [2024-09-08 19:00:40,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:42,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:42,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:42,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668607021] [2024-09-08 19:00:42,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668607021] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:42,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:42,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:00:42,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651678729] [2024-09-08 19:00:42,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:42,390 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 19:00:42,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:42,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 19:00:42,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-09-08 19:00:42,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:42,391 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:42,391 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:42,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:42,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:45,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,227 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 19:00:45,227 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:45,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:45,228 INFO L85 PathProgramCache]: Analyzing trace with hash 294512101, now seen corresponding path program 1 times [2024-09-08 19:00:45,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:45,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672766362] [2024-09-08 19:00:45,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:45,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:45,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:45,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672766362] [2024-09-08 19:00:45,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672766362] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:45,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:45,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 19:00:45,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721987244] [2024-09-08 19:00:45,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:45,534 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 19:00:45,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:45,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 19:00:45,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 19:00:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:45,535 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:45,536 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:45,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:45,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:45,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:46,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:46,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:46,806 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 19:00:46,806 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT] === [2024-09-08 19:00:46,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:46,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1932885514, now seen corresponding path program 1 times [2024-09-08 19:00:46,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:46,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867744203] [2024-09-08 19:00:46,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:46,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:47,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:47,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867744203] [2024-09-08 19:00:47,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867744203] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:47,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:47,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 19:00:47,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536588786] [2024-09-08 19:00:47,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:47,447 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 19:00:47,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:47,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 19:00:47,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 19:00:47,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:47,448 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:47,448 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) [2024-09-08 19:00:47,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:47,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:47,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:47,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:47,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:47,832 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-08 19:00:47,833 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 3 remaining) [2024-09-08 19:00:47,833 INFO L785 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 3 remaining) [2024-09-08 19:00:47,833 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-08 19:00:47,839 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 19:00:47,841 INFO L312 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE,SAFE (1/4) [2024-09-08 19:00:47,844 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 19:00:47,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 19:00:47,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 19:00:47,846 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) [2024-09-08 19:00:47,847 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 [2024-09-08 19:00:47,851 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 19:00:47,851 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 19:00:47,851 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;@34afb6fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 19:00:47,851 INFO L337 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-09-08 19:00:48,309 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:48,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:48,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1900075727, now seen corresponding path program 1 times [2024-09-08 19:00:48,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:48,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825326416] [2024-09-08 19:00:48,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:49,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:49,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825326416] [2024-09-08 19:00:49,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825326416] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:49,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:49,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 19:00:49,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378203569] [2024-09-08 19:00:49,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:49,028 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:49,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:49,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:49,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:49,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:49,029 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:49,030 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:49,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:49,311 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-08 19:00:49,311 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:49,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:49,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1879762756, now seen corresponding path program 1 times [2024-09-08 19:00:49,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:49,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122465358] [2024-09-08 19:00:49,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:49,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:49,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122465358] [2024-09-08 19:00:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122465358] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:49,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:49,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:49,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113223632] [2024-09-08 19:00:49,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:49,818 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 19:00:49,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:49,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 19:00:49,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-09-08 19:00:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:49,819 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:49,819 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:49,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:49,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:50,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:50,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:50,042 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-08 19:00:50,042 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:50,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:50,042 INFO L85 PathProgramCache]: Analyzing trace with hash -930482595, now seen corresponding path program 1 times [2024-09-08 19:00:50,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:50,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538267093] [2024-09-08 19:00:50,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:50,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:50,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538267093] [2024-09-08 19:00:50,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538267093] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:50,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:50,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 19:00:50,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726864606] [2024-09-08 19:00:50,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:50,334 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 19:00:50,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:50,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 19:00:50,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 19:00:50,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:50,334 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:50,334 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:50,334 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:50,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:50,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:50,986 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-08 19:00:50,987 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:50,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:50,987 INFO L85 PathProgramCache]: Analyzing trace with hash -828020364, now seen corresponding path program 1 times [2024-09-08 19:00:50,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:50,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008084709] [2024-09-08 19:00:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:50,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:51,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:51,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:51,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008084709] [2024-09-08 19:00:51,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008084709] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:51,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:51,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:51,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005892676] [2024-09-08 19:00:51,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:51,647 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:51,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:51,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:51,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:51,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:51,648 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:51,649 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 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) [2024-09-08 19:00:51,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:51,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:51,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:51,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:52,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:52,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:52,183 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-08 19:00:52,183 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:52,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:52,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1720753546, now seen corresponding path program 1 times [2024-09-08 19:00:52,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:52,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922336202] [2024-09-08 19:00:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:53,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:53,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:53,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922336202] [2024-09-08 19:00:53,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922336202] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:53,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:53,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 19:00:53,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863283894] [2024-09-08 19:00:53,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:53,398 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 19:00:53,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:53,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 19:00:53,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-09-08 19:00:53,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:53,399 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:53,399 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:53,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:53,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:53,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:53,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:53,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:53,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:53,691 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-08 19:00:53,691 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:53,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:53,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1529482171, now seen corresponding path program 1 times [2024-09-08 19:00:53,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:53,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865097571] [2024-09-08 19:00:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:53,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:54,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:54,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865097571] [2024-09-08 19:00:54,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865097571] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:54,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:54,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-08 19:00:54,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331151614] [2024-09-08 19:00:54,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:54,046 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 19:00:54,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 19:00:54,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-09-08 19:00:54,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:54,047 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:54,047 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:54,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:54,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:54,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:54,524 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-09-08 19:00:54,524 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:54,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash -23388847, now seen corresponding path program 1 times [2024-09-08 19:00:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:54,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545690954] [2024-09-08 19:00:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:54,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:56,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:56,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545690954] [2024-09-08 19:00:56,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545690954] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:56,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:56,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:00:56,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003501458] [2024-09-08 19:00:56,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:56,066 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 19:00:56,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 19:00:56,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-09-08 19:00:56,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:56,068 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:56,068 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:56,280 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-09-08 19:00:56,280 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:56,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:56,281 INFO L85 PathProgramCache]: Analyzing trace with hash -685306642, now seen corresponding path program 1 times [2024-09-08 19:00:56,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:56,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039858767] [2024-09-08 19:00:56,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:00:58,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:58,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039858767] [2024-09-08 19:00:58,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039858767] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:58,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:58,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 19:00:58,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729755072] [2024-09-08 19:00:58,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:58,732 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-08 19:00:58,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:58,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-08 19:00:58,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-09-08 19:00:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:58,733 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:58,733 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.8181818181818183) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:58,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:58,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:59,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:00:59,866 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-09-08 19:00:59,866 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:00:59,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:59,866 INFO L85 PathProgramCache]: Analyzing trace with hash 166686391, now seen corresponding path program 2 times [2024-09-08 19:00:59,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:59,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292956573] [2024-09-08 19:00:59,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:59,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:01:01,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:01:01,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:01:01,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292956573] [2024-09-08 19:01:01,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292956573] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:01:01,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:01:01,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:01:01,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513047361] [2024-09-08 19:01:01,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:01:01,721 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 19:01:01,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:01:01,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 19:01:01,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-09-08 19:01:01,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:01,722 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:01:01,722 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.25) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:01:01,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:02,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:02,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:02,175 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-08 19:01:02,175 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:01:02,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:01:02,176 INFO L85 PathProgramCache]: Analyzing trace with hash 129620163, now seen corresponding path program 1 times [2024-09-08 19:01:02,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:01:02,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352508556] [2024-09-08 19:01:02,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:01:02,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:01:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:01:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:01:03,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:01:03,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352508556] [2024-09-08 19:01:03,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352508556] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:01:03,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:01:03,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 19:01:03,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981899627] [2024-09-08 19:01:03,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:01:03,122 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 19:01:03,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:01:03,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 19:01:03,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-09-08 19:01:03,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:03,123 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:01:03,123 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:01:03,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:03,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:03,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:03,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:03,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:03,530 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-09-08 19:01:03,530 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:01:03,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:01:03,531 INFO L85 PathProgramCache]: Analyzing trace with hash 14168389, now seen corresponding path program 1 times [2024-09-08 19:01:03,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:01:03,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630954038] [2024-09-08 19:01:03,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:01:03,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:01:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:01:04,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 19:01:04,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:01:04,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630954038] [2024-09-08 19:01:04,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630954038] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:01:04,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:01:04,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-08 19:01:04,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447415644] [2024-09-08 19:01:04,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:01:04,289 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-08 19:01:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:01:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-08 19:01:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-09-08 19:01:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:04,290 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:01:04,290 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 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) [2024-09-08 19:01:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:04,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:04,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:01:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:01:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:01:05,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:05,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:01:05,343 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-09-08 19:01:05,343 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 4 more)] === [2024-09-08 19:01:05,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:01:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1626921530, now seen corresponding path program 2 times [2024-09-08 19:01:05,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:01:05,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273898106] [2024-09-08 19:01:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:01:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:01:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 19:01:05,414 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 19:01:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 19:01:05,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 19:01:05,629 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 19:01:05,629 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2024-09-08 19:01:05,629 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 7 remaining) [2024-09-08 19:01:05,629 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 7 remaining) [2024-09-08 19:01:05,629 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 7 remaining) [2024-09-08 19:01:05,629 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-09-08 19:01:05,630 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-09-08 19:01:05,630 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2024-09-08 19:01:05,630 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-09-08 19:01:05,632 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-08 19:01:05,635 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (2/4) [2024-09-08 19:01:05,714 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 19:01:05,715 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 19:01:05,717 INFO L469 ceAbstractionStarter]: Automizer considered 15 witness invariants [2024-09-08 19:01:05,717 INFO L470 ceAbstractionStarter]: WitnessConsidered=15 [2024-09-08 19:01:05,718 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 07:01:05 BasicIcfg [2024-09-08 19:01:05,718 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 19:01:05,719 INFO L158 Benchmark]: Toolchain (without parser) took 44624.68ms. Allocated memory was 146.8MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 79.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-08 19:01:05,719 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 19:01:05,719 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 19:01:05,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1023.34ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 91.3MB in the end (delta: -11.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-08 19:01:05,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.74ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 19:01:05,720 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 19:01:05,720 INFO L158 Benchmark]: RCFGBuilder took 1217.71ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 86.4MB in the end (delta: -2.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-09-08 19:01:05,720 INFO L158 Benchmark]: TraceAbstraction took 42272.16ms. Allocated memory was 205.5MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 85.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-09-08 19:01:05,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1023.34ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 91.3MB in the end (delta: -11.8MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.74ms. Allocated memory is still 146.8MB. Free memory was 91.3MB in the beginning and 87.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 146.8MB. Free memory was 87.1MB in the beginning and 84.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1217.71ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 86.4MB in the end (delta: -2.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * TraceAbstraction took 42272.16ms. Allocated memory was 205.5MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 85.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. 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: 60213, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 10600, dependent conditional: 10576, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51331, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 1718, dependent conditional: 1694, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 51331, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 1718, dependent conditional: 1694, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 8237, dependent conditional: 8213, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 234, independent unconditional: 49379, dependent: 8237, dependent conditional: 6216, dependent unconditional: 2021, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 234, independent unconditional: 49379, dependent: 8237, dependent conditional: 6216, dependent unconditional: 2021, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1875, independent: 1724, independent conditional: 29, independent unconditional: 1695, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1875, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 619, dependent conditional: 0, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 619, independent: 468, independent conditional: 29, independent unconditional: 439, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 619, independent: 468, independent conditional: 29, independent unconditional: 439, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5909, independent: 4055, independent conditional: 347, independent unconditional: 3708, dependent: 1854, dependent conditional: 1556, dependent unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 57850, independent: 47889, independent conditional: 205, independent unconditional: 47684, dependent: 8086, dependent conditional: 6089, dependent unconditional: 1997, unknown: 1875, unknown conditional: 156, unknown unconditional: 1719] , Statistics on independence cache: Total cache size (in pairs): 1875, Positive cache size: 1724, Positive conditional cache size: 29, Positive unconditional cache size: 1695, Negative cache size: 151, Negative conditional cache size: 127, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49681, Maximal queried relation: 12, Independence queries for same thread: 8882, Persistent sets #1 benchmarks: Persistent set computation time: 4.2s, Number of persistent set computation: 1226, Number of trivial persistent sets: 548, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1719, independent: 1695, independent conditional: 0, independent unconditional: 1695, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 60213, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 10600, dependent conditional: 10576, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51331, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 1718, dependent conditional: 1694, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 51331, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 1718, dependent conditional: 1694, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 47918, independent unconditional: 1695, dependent: 8237, dependent conditional: 8213, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 234, independent unconditional: 49379, dependent: 8237, dependent conditional: 6216, dependent unconditional: 2021, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 57850, independent: 49613, independent conditional: 234, independent unconditional: 49379, dependent: 8237, dependent conditional: 6216, dependent unconditional: 2021, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1875, independent: 1724, independent conditional: 29, independent unconditional: 1695, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1875, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 619, dependent conditional: 0, dependent unconditional: 619, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 619, independent: 468, independent conditional: 29, independent unconditional: 439, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 619, independent: 468, independent conditional: 29, independent unconditional: 439, dependent: 151, dependent conditional: 127, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5909, independent: 4055, independent conditional: 347, independent unconditional: 3708, dependent: 1854, dependent conditional: 1556, dependent unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 57850, independent: 47889, independent conditional: 205, independent unconditional: 47684, dependent: 8086, dependent conditional: 6089, dependent unconditional: 1997, unknown: 1875, unknown conditional: 156, unknown unconditional: 1719] , Statistics on independence cache: Total cache size (in pairs): 1875, Positive cache size: 1724, Positive conditional cache size: 29, Positive unconditional cache size: 1695, Negative cache size: 151, Negative conditional cache size: 127, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49681, Maximal queried relation: 12, Independence queries for same thread: 8882 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6206, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 805, dependent conditional: 786, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5475, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 74, dependent conditional: 55, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5475, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 74, dependent conditional: 55, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 599, dependent conditional: 580, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 75, independent unconditional: 5326, dependent: 599, dependent conditional: 450, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 75, independent unconditional: 5326, dependent: 599, dependent conditional: 450, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1303, independent: 1248, independent conditional: 11, independent unconditional: 1237, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1303, independent: 937, independent conditional: 0, independent unconditional: 937, dependent: 366, dependent conditional: 0, dependent unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 366, independent: 311, independent conditional: 11, independent unconditional: 300, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, independent: 311, independent conditional: 11, independent unconditional: 300, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2846, independent: 2398, independent conditional: 45, independent unconditional: 2353, dependent: 448, dependent conditional: 273, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6000, independent: 4153, independent conditional: 64, independent unconditional: 4089, dependent: 544, dependent conditional: 414, dependent unconditional: 130, unknown: 1303, unknown conditional: 47, unknown unconditional: 1256] , Statistics on independence cache: Total cache size (in pairs): 1303, Positive cache size: 1248, Positive conditional cache size: 11, Positive unconditional cache size: 1237, Negative cache size: 55, Negative conditional cache size: 36, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4219, Maximal queried relation: 8, Independence queries for same thread: 731, Persistent sets #1 benchmarks: Persistent set computation time: 2.6s, Number of persistent set computation: 312, Number of trivial persistent sets: 166, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1256, independent: 1237, independent conditional: 0, independent unconditional: 1237, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6206, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 805, dependent conditional: 786, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5475, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 74, dependent conditional: 55, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5475, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 74, dependent conditional: 55, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 4164, independent unconditional: 1237, dependent: 599, dependent conditional: 580, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 75, independent unconditional: 5326, dependent: 599, dependent conditional: 450, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6000, independent: 5401, independent conditional: 75, independent unconditional: 5326, dependent: 599, dependent conditional: 450, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1303, independent: 1248, independent conditional: 11, independent unconditional: 1237, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1303, independent: 937, independent conditional: 0, independent unconditional: 937, dependent: 366, dependent conditional: 0, dependent unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 366, independent: 311, independent conditional: 11, independent unconditional: 300, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 366, independent: 311, independent conditional: 11, independent unconditional: 300, dependent: 55, dependent conditional: 36, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2846, independent: 2398, independent conditional: 45, independent unconditional: 2353, dependent: 448, dependent conditional: 273, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6000, independent: 4153, independent conditional: 64, independent unconditional: 4089, dependent: 544, dependent conditional: 414, dependent unconditional: 130, unknown: 1303, unknown conditional: 47, unknown unconditional: 1256] , Statistics on independence cache: Total cache size (in pairs): 1303, Positive cache size: 1248, Positive conditional cache size: 11, Positive unconditional cache size: 1237, Negative cache size: 55, Negative conditional cache size: 36, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4219, Maximal queried relation: 8, Independence queries for same thread: 731 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p1_EAX = 0; [L718] 0 int __unbuffered_p1_EBX = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff1_thd0; [L732] 0 _Bool y$r_buff1_thd1; [L733] 0 _Bool y$r_buff1_thd2; [L734] 0 _Bool y$r_buff1_thd3; [L735] 0 _Bool y$read_delayed; [L736] 0 int *y$read_delayed_var; [L737] 0 int y$w_buff0; [L738] 0 _Bool y$w_buff0_used; [L739] 0 int y$w_buff1; [L740] 0 _Bool y$w_buff1_used; [L741] 0 _Bool weak$$choice0; [L742] 0 _Bool weak$$choice2; [L844] 0 pthread_t t1740; [L845] FCALL, FORK 0 pthread_create(&t1740, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1740=-3, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L846] 0 pthread_t t1741; [L847] FCALL, FORK 0 pthread_create(&t1741, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1740=-3, t1741=-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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L774] 2 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L774] 2 y$w_buff1 = y$w_buff0 [L775] 2 y$w_buff0 = 1 [L776] 2 y$w_buff1_used = y$w_buff0_used [L777] 2 y$w_buff0_used = (_Bool)1 [L778] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L778] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L779] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L780] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L781] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L782] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L783] 2 y$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, 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=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L786] 2 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L786] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L787] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L788] 2 y$flush_delayed = weak$$choice2 [L789] 2 y$mem_tmp = y [L790] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L791] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L792] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L793] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L794] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L795] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L796] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L797] 2 __unbuffered_p1_EAX = y [L798] 2 y = y$flush_delayed ? y$mem_tmp : y [L799] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L802] 2 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L802] 2 __unbuffered_p1_EBX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L848] 0 pthread_t t1742; [L849] FCALL, FORK 0 pthread_create(&t1742, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1740=-3, t1741=-2, t1742=-1, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L819] 3 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L819] 3 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L822] 3 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L822] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L823] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L824] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L825] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L826] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L829] 3 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L829] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L831] 3 return 0; [L746] 1 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L746] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L749] 1 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 y$flush_delayed = weak$$choice2 [L752] 1 y$mem_tmp = y [L753] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L754] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L755] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L756] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L757] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L759] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EBX = y [L761] 1 y = y$flush_delayed ? y$mem_tmp : y [L762] 1 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L805] 2 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L805] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L806] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L807] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L808] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L809] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L812] 2 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L812] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L814] 2 return 0; [L765] 1 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L767] 1 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L851] 0 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L851] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1740=-3, t1741=-2, t1742=-1, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L853] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L853] RET 0 assume_abort_if_not(main$tmp_guard0) [L855] 0 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L855] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L856] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L857] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L858] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L859] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1740=-3, t1741=-2, t1742=-1, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L862] 0 //@ assert (((((((((((((((((0 <= __unbuffered_cnt) && (y$flush_delayed == (_Bool) 0)) && (y$r_buff0_thd0 == (_Bool) 0)) && (y$r_buff0_thd1 == (_Bool) 0)) && (y$r_buff0_thd3 == (_Bool) 0)) && (y$r_buff1_thd0 == (_Bool) 0)) && (y$r_buff1_thd1 == (_Bool) 0)) && (y$r_buff1_thd3 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((y == 0) || (y == 1))) && ((y$mem_tmp == 0) || (y$mem_tmp == 1))) && ((y$w_buff0 == 0) || (y$w_buff0 == 1))) && ((y$w_buff1 == 0) || (y$w_buff1 == 1))); [L862] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1740=-3, t1741=-2, t1742=-1, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L864] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L19] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] - UnprovableResult [Line: 851]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: 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: 847]: 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: 845]: 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: P2Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 91 locations, 33 error locations. Started 1 CEGAR loops. OverallTime: 24.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 11.9s, 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: 62, 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, 0.3s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 9766 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 7 procedures, 91 locations, 33 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 6.2s, 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: 64, 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, 0.3s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 8471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-09-08 19:01:05,758 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 [2024-09-08 19:01:05,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-09-08 19:01:06,161 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