./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-local/rfi008.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i ./goblint.2024-09-02_08-21-23.files/protection-local/rfi008.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 18:59:56,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 18:59:56,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 18:59:56,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 18:59:56,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 18:59:56,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 18:59:56,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 18:59:56,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 18:59:56,519 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 18:59:56,519 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 18:59:56,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 18:59:56,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 18:59:56,520 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 18:59:56,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 18:59:56,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 18:59:56,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 18:59:56,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 18:59:56,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 18:59:56,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 18:59:56,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 18:59:56,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 18:59:56,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 18:59:56,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 18:59:56,523 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 18:59:56,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 18:59:56,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 18:59:56,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 18:59:56,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 18:59:56,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 18:59:56,525 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 18:59:56,526 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 18:59:56,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 18:59:56,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 18:59:56,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 18:59:56,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 18:59:56,744 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 18:59:56,744 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 18:59:56,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i [2024-09-08 18:59:57,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 18:59:58,170 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 18:59:58,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi008.oepc.i [2024-09-08 18:59:58,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/748fa74d0/c7050aea34d24209bf08d0e40a4a105a/FLAG68aa18a35 [2024-09-08 18:59:58,201 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/748fa74d0/c7050aea34d24209bf08d0e40a4a105a [2024-09-08 18:59:58,203 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 18:59:58,204 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 18:59:58,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-local/rfi008.oepc.yml/witness.yml [2024-09-08 18:59:58,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 18:59:58,322 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 18:59:58,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 18:59:58,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 18:59:58,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 18:59:58,328 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:59:58" (1/2) ... [2024-09-08 18:59:58,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12580086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:59:58, skipping insertion in model container [2024-09-08 18:59:58,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:59:58" (1/2) ... [2024-09-08 18:59:58,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@693bf0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:59:58, skipping insertion in model container [2024-09-08 18:59:58,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 06:59:58" (2/2) ... [2024-09-08 18:59:58,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12580086 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 06:59:58, skipping insertion in model container [2024-09-08 18:59:58,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 06:59:58" (2/2) ... [2024-09-08 18:59:58,464 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L790-L790] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L840-L840] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L809-L809] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L793-L793] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L743-L743] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L754-L754] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,465 INFO L1541 ArrayList]: Location invariant before [L773-L773] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L816-L816] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L836-L836] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L847-L847] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L770-L770] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L780-L780] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_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)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,466 INFO L1541 ArrayList]: Location invariant before [L787-L787] ((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool)0)) && (x$r_buff0_thd0 == (_Bool)0)) && (x$r_buff0_thd2 == (_Bool)0)) && (x$r_buff1_thd0 == (_Bool)0)) && (x$r_buff1_thd2 == (_Bool)0)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (x == 0 || x == 1)) && (x$mem_tmp == 0 || x$mem_tmp == 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1)) && (y == 0 || y == 1) [2024-09-08 18:59:58,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 18:59:58,645 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/rfi008.oepc.i[988,1001] [2024-09-08 18:59:58,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 18:59:58,873 INFO L200 MainTranslator]: Completed pre-run [2024-09-08 18:59:58,882 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/rfi008.oepc.i[988,1001] 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 18:59:58,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 18:59:59,006 INFO L204 MainTranslator]: Completed translation [2024-09-08 18:59:59,007 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 06:59:59 WrapperNode [2024-09-08 18:59:59,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 18:59:59,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 18:59:59,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 18:59:59,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 18:59:59,013 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,026 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,052 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2024-09-08 18:59:59,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 18:59:59,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 18:59:59,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 18:59:59,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 18:59:59,063 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,063 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,066 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,066 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,075 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,077 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,080 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,082 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 18:59:59,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 18:59:59,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 18:59:59,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 18:59:59,087 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 06:59:59" (1/1) ... [2024-09-08 18:59:59,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 18:59:59,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 18:59:59,115 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 18:59:59,117 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 18:59:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-09-08 18:59:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 18:59:59,153 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-09-08 18:59:59,153 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-09-08 18:59:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-09-08 18:59:59,154 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-09-08 18:59:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 18:59:59,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-09-08 18:59:59,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 18:59:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 18:59:59,156 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 18:59:59,269 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 18:59:59,271 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 18:59:59,651 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 18:59:59,652 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 18:59:59,878 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 18:59:59,878 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-08 18:59:59,878 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:59:59 BoogieIcfgContainer [2024-09-08 18:59:59,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 18:59:59,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 18:59:59,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 18:59:59,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 18:59:59,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:59:58" (1/4) ... [2024-09-08 18:59:59,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257f10c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:59:59, skipping insertion in model container [2024-09-08 18:59:59,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 06:59:58" (2/4) ... [2024-09-08 18:59:59,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257f10c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 06:59:59, skipping insertion in model container [2024-09-08 18:59:59,883 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 06:59:59" (3/4) ... [2024-09-08 18:59:59,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6257f10c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 06:59:59, skipping insertion in model container [2024-09-08 18:59:59,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:59:59" (4/4) ... [2024-09-08 18:59:59,885 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi008.oepc.i [2024-09-08 18:59:59,899 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 18:59:59,900 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 15 error locations. [2024-09-08 18:59:59,900 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 18:59:59,954 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-09-08 18:59:59,984 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 18:59:59,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 18:59:59,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 18:59:59,986 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 18:59:59,987 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 19:00:00,013 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 19:00:00,024 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 19:00:00,029 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;@b2ddad3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 19:00:00,029 INFO L337 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-09-08 19:00:00,338 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:00,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:00,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1532662518, now seen corresponding path program 1 times [2024-09-08 19:00:00,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:00,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743245873] [2024-09-08 19:00:00,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:00,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:01,134 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 19:00:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:01,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743245873] [2024-09-08 19:00:01,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743245873] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:01,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:01,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-08 19:00:01,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979073053] [2024-09-08 19:00:01,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:01,141 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 19:00:01,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:01,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 19:00:01,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 19:00:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:01,164 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:01,165 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:01,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:01,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:01,338 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 19:00:01,338 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:01,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:01,338 INFO L85 PathProgramCache]: Analyzing trace with hash 267982926, now seen corresponding path program 1 times [2024-09-08 19:00:01,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:01,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039205863] [2024-09-08 19:00:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:01,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:01,595 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 19:00:01,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:01,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039205863] [2024-09-08 19:00:01,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039205863] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:01,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:01,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 19:00:01,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592745603] [2024-09-08 19:00:01,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:01,597 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-08 19:00:01,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:01,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-08 19:00:01,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-08 19:00:01,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:01,599 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:01,599 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:01,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:01,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:01,880 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 19:00:01,881 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:01,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:01,881 INFO L85 PathProgramCache]: Analyzing trace with hash -282376840, now seen corresponding path program 1 times [2024-09-08 19:00:01,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:01,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423823656] [2024-09-08 19:00:01,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:02,230 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 19:00:02,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:02,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423823656] [2024-09-08 19:00:02,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423823656] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:02,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:02,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:02,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523213807] [2024-09-08 19:00:02,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:02,231 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:02,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:02,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:02,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:02,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:02,232 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:02,232 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:02,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:02,705 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-08 19:00:02,706 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:02,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:02,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1640901074, now seen corresponding path program 1 times [2024-09-08 19:00:02,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:02,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243437232] [2024-09-08 19:00:02,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:02,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:03,384 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 19:00:03,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:03,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243437232] [2024-09-08 19:00:03,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243437232] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:03,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:03,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 19:00:03,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194307674] [2024-09-08 19:00:03,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:03,385 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-08 19:00:03,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:03,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-08 19:00:03,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-08 19:00:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:03,386 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:03,386 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:03,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:03,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:03,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:03,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:03,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:03,828 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-08 19:00:03,828 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:03,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1394403065, now seen corresponding path program 1 times [2024-09-08 19:00:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115331939] [2024-09-08 19:00:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:03,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:04,045 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 19:00:04,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:04,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115331939] [2024-09-08 19:00:04,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115331939] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:04,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:04,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:04,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14632460] [2024-09-08 19:00:04,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:04,046 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:04,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:04,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:04,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:04,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:04,047 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:04,047 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:04,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:04,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:04,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,336 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-08 19:00:04,336 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:04,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash -8968468, now seen corresponding path program 1 times [2024-09-08 19:00:04,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:04,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454461945] [2024-09-08 19:00:04,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:04,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:04,599 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 19:00:04,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:04,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454461945] [2024-09-08 19:00:04,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454461945] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:04,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:04,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-08 19:00:04,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940137401] [2024-09-08 19:00:04,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:04,601 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-08 19:00:04,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:04,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-08 19:00:04,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-09-08 19:00:04,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:04,601 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:04,601 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:04,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:04,993 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-08 19:00:04,993 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:04,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:04,994 INFO L85 PathProgramCache]: Analyzing trace with hash 448069446, now seen corresponding path program 1 times [2024-09-08 19:00:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:04,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485062118] [2024-09-08 19:00:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:04,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:05,965 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 19:00:05,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:05,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485062118] [2024-09-08 19:00:05,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485062118] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:05,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:05,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 19:00:05,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940961148] [2024-09-08 19:00:05,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:05,966 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 19:00:05,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:05,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 19:00:05,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-09-08 19:00:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:05,967 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:05,968 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:05,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:06,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:06,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:06,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:06,189 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-08 19:00:06,189 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:06,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:06,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1362141632, now seen corresponding path program 1 times [2024-09-08 19:00:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:06,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313593081] [2024-09-08 19:00:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:06,471 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 19:00:06,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313593081] [2024-09-08 19:00:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313593081] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:06,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:06,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-09-08 19:00:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458527593] [2024-09-08 19:00:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:06,472 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-08 19:00:06,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:06,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-08 19:00:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-08 19:00:06,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:06,473 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:06,473 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 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 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:06,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:07,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:07,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:07,594 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-08 19:00:07,594 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:07,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:07,595 INFO L85 PathProgramCache]: Analyzing trace with hash 2064462534, now seen corresponding path program 2 times [2024-09-08 19:00:07,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:07,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335644365] [2024-09-08 19:00:07,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:07,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:08,619 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 19:00:08,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:08,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335644365] [2024-09-08 19:00:08,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335644365] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:08,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:08,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:00:08,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489917136] [2024-09-08 19:00:08,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:08,620 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 19:00:08,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:08,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 19:00:08,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2024-09-08 19:00:08,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:08,620 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:08,620 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 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 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:08,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:08,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:08,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:08,970 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-08 19:00:08,970 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:08,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:08,971 INFO L85 PathProgramCache]: Analyzing trace with hash -229624186, now seen corresponding path program 3 times [2024-09-08 19:00:08,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:08,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112068090] [2024-09-08 19:00:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:08,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:09,817 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 19:00:09,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:09,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112068090] [2024-09-08 19:00:09,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112068090] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:09,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:09,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-09-08 19:00:09,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258990224] [2024-09-08 19:00:09,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:09,818 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-08 19:00:09,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:09,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-08 19:00:09,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-09-08 19:00:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:09,819 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:09,819 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 11 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 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:09,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:10,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:10,651 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-08 19:00:10,651 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:10,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:10,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1652560484, now seen corresponding path program 4 times [2024-09-08 19:00:10,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:10,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845050504] [2024-09-08 19:00:10,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:10,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 19:00:11,665 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 19:00:11,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 19:00:11,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845050504] [2024-09-08 19:00:11,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845050504] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 19:00:11,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 19:00:11,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-09-08 19:00:11,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019834027] [2024-09-08 19:00:11,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 19:00:11,666 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 19:00:11,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 19:00:11,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 19:00:11,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-09-08 19:00:11,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:11,667 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 19:00:11,667 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.75) internal successors, (21), 12 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 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:11,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 19:00:12,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-08 19:00:12,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-08 19:00:12,098 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-09-08 19:00:12,098 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (and 3 more)] === [2024-09-08 19:00:12,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 19:00:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash -617664106, now seen corresponding path program 2 times [2024-09-08 19:00:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 19:00:12,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044457728] [2024-09-08 19:00:12,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 19:00:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 19:00:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 19:00:12,161 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-09-08 19:00:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-09-08 19:00:12,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-09-08 19:00:12,233 INFO L326 BasicCegarLoop]: Counterexample is feasible [2024-09-08 19:00:12,234 INFO L785 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-09-08 19:00:12,236 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 6 remaining) [2024-09-08 19:00:12,236 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 6 remaining) [2024-09-08 19:00:12,236 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 6 remaining) [2024-09-08 19:00:12,237 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-09-08 19:00:12,237 INFO L785 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-09-08 19:00:12,237 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-08 19:00:12,242 INFO L408 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1, 1, 1, 1, 1] [2024-09-08 19:00:12,244 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2024-09-08 19:00:12,303 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 19:00:12,303 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 19:00:12,308 INFO L469 ceAbstractionStarter]: Automizer considered 13 witness invariants [2024-09-08 19:00:12,308 INFO L470 ceAbstractionStarter]: WitnessConsidered=13 [2024-09-08 19:00:12,309 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 07:00:12 BasicIcfg [2024-09-08 19:00:12,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 19:00:12,309 INFO L158 Benchmark]: Toolchain (without parser) took 13989.29ms. Allocated memory was 182.5MB in the beginning and 557.8MB in the end (delta: 375.4MB). Free memory was 106.0MB in the beginning and 418.5MB in the end (delta: -312.5MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: Witness Parser took 0.56ms. Allocated memory is still 182.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 683.66ms. Allocated memory is still 182.5MB. Free memory was 105.8MB in the beginning and 137.8MB in the end (delta: -32.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.64ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: Boogie Preprocessor took 32.61ms. Allocated memory is still 182.5MB. Free memory was 133.6MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: RCFGBuilder took 792.86ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 108.5MB in the end (delta: 23.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,310 INFO L158 Benchmark]: TraceAbstraction took 12429.35ms. Allocated memory was 182.5MB in the beginning and 557.8MB in the end (delta: 375.4MB). Free memory was 107.4MB in the beginning and 418.5MB in the end (delta: -311.1MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-09-08 19:00:12,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.56ms. Allocated memory is still 182.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 683.66ms. Allocated memory is still 182.5MB. Free memory was 105.8MB in the beginning and 137.8MB in the end (delta: -32.1MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.64ms. Allocated memory is still 182.5MB. Free memory was 137.8MB in the beginning and 133.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.61ms. Allocated memory is still 182.5MB. Free memory was 133.6MB in the beginning and 131.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 792.86ms. Allocated memory is still 182.5MB. Free memory was 131.6MB in the beginning and 108.5MB in the end (delta: 23.1MB). Peak memory consumption was 85.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12429.35ms. Allocated memory was 182.5MB in the beginning and 557.8MB in the end (delta: 375.4MB). Free memory was 107.4MB in the beginning and 418.5MB in the end (delta: -311.1MB). Peak memory consumption was 64.3MB. 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: 4529, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 750, dependent conditional: 733, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3850, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 71, dependent conditional: 54, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3850, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 71, dependent conditional: 54, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 463, dependent conditional: 446, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 54, independent unconditional: 3725, dependent: 463, dependent conditional: 337, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 54, independent unconditional: 3725, dependent: 463, dependent conditional: 337, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 939, independent: 881, independent conditional: 3, independent unconditional: 878, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 939, independent: 603, independent conditional: 0, independent unconditional: 603, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 278, independent conditional: 3, independent unconditional: 275, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 278, independent conditional: 3, independent unconditional: 275, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2846, independent: 2068, independent conditional: 7, independent unconditional: 2061, dependent: 779, dependent conditional: 558, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4242, independent: 2898, independent conditional: 51, independent unconditional: 2847, dependent: 405, dependent conditional: 296, dependent unconditional: 109, unknown: 939, unknown conditional: 44, unknown unconditional: 895] , Statistics on independence cache: Total cache size (in pairs): 939, Positive cache size: 881, Positive conditional cache size: 3, Positive unconditional cache size: 878, Negative cache size: 58, Negative conditional cache size: 41, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2956, Maximal queried relation: 6, Independence queries for same thread: 679, Persistent sets #1 benchmarks: Persistent set computation time: 2.4s, Number of persistent set computation: 203, Number of trivial persistent sets: 125, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 895, independent: 878, independent conditional: 0, independent unconditional: 878, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4529, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 750, dependent conditional: 733, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3850, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 71, dependent conditional: 54, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3850, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 71, dependent conditional: 54, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 2901, independent unconditional: 878, dependent: 463, dependent conditional: 446, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 54, independent unconditional: 3725, dependent: 463, dependent conditional: 337, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4242, independent: 3779, independent conditional: 54, independent unconditional: 3725, dependent: 463, dependent conditional: 337, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 939, independent: 881, independent conditional: 3, independent unconditional: 878, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 939, independent: 603, independent conditional: 0, independent unconditional: 603, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 278, independent conditional: 3, independent unconditional: 275, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 278, independent conditional: 3, independent unconditional: 275, dependent: 58, dependent conditional: 41, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2846, independent: 2068, independent conditional: 7, independent unconditional: 2061, dependent: 779, dependent conditional: 558, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4242, independent: 2898, independent conditional: 51, independent unconditional: 2847, dependent: 405, dependent conditional: 296, dependent unconditional: 109, unknown: 939, unknown conditional: 44, unknown unconditional: 895] , Statistics on independence cache: Total cache size (in pairs): 939, Positive cache size: 881, Positive conditional cache size: 3, Positive unconditional cache size: 878, Negative cache size: 58, Negative conditional cache size: 41, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2956, Maximal queried relation: 6, Independence queries for same thread: 679 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L722] 0 _Bool x$flush_delayed; [L723] 0 int x$mem_tmp; [L724] 0 _Bool x$r_buff0_thd0; [L725] 0 _Bool x$r_buff0_thd1; [L726] 0 _Bool x$r_buff0_thd2; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$read_delayed; [L731] 0 int *x$read_delayed_var; [L732] 0 int x$w_buff0; [L733] 0 _Bool x$w_buff0_used; [L734] 0 int x$w_buff1; [L735] 0 _Bool x$w_buff1_used; [L737] 0 int y = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L831] 0 pthread_t t1721; [L832] FCALL, FORK 0 pthread_create(&t1721, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1721=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L833] 0 pthread_t t1722; [L834] FCALL, FORK 0 pthread_create(&t1722, ((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, t1721=-2, t1722=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L743] 1 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L743] 1 x$w_buff1 = x$w_buff0 [L744] 1 x$w_buff0 = 1 [L745] 1 x$w_buff1_used = x$w_buff0_used [L746] 1 x$w_buff0_used = (_Bool)1 [L747] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 1 !(!expression) [L747] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L748] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L749] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L750] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L751] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L754] 1 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 x$flush_delayed = weak$$choice2 [L757] 1 x$mem_tmp = x [L758] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L759] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L760] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L761] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L762] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L764] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = x [L766] 1 x = x$flush_delayed ? x$mem_tmp : x [L767] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L770] 1 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L770] 1 __unbuffered_p0_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L787] 2 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L787] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L790] 2 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L790] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L793] 2 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L793] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L794] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L795] 2 x$flush_delayed = weak$$choice2 [L796] 2 x$mem_tmp = x [L797] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L798] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L799] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L800] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L801] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L802] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L803] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L804] 2 __unbuffered_p1_EBX = x [L805] 2 x = x$flush_delayed ? x$mem_tmp : x [L806] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L809] 2 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L809] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L810] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L811] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L812] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L813] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L816] 2 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L816] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L818] 2 return 0; [L773] 1 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L773] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L774] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L775] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L776] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L777] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L780] 1 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L780] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L836] 0 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L836] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1721=-2, t1722=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L838] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L838] RET 0 assume_abort_if_not(main$tmp_guard0) [L840] 0 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L840] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L841] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L842] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L843] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L844] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1721=-2, t1722=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L847] 0 //@ assert (((((((((((((((0 <= __unbuffered_cnt) && (x$flush_delayed == (_Bool) 0)) && (x$r_buff0_thd0 == (_Bool) 0)) && (x$r_buff0_thd2 == (_Bool) 0)) && (x$r_buff1_thd0 == (_Bool) 0)) && (x$r_buff1_thd2 == (_Bool) 0)) && ((__unbuffered_p0_EAX == 0) || (__unbuffered_p0_EAX == 1))) && ((__unbuffered_p0_EBX == 0) || (__unbuffered_p0_EBX == 1))) && ((__unbuffered_p1_EAX == 0) || (__unbuffered_p1_EAX == 1))) && ((__unbuffered_p1_EBX == 0) || (__unbuffered_p1_EBX == 1))) && ((x == 0) || (x == 1))) && ((x$mem_tmp == 0) || (x$mem_tmp == 1))) && ((x$w_buff0 == 0) || (x$w_buff0 == 1))) && ((x$w_buff1 == 0) || (x$w_buff1 == 1))) && ((y == 0) || (y == 1))); [L847] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1721=-2, t1722=-1, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L849] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] [L19] 0 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1] - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: 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: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 74 locations, 28 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 5.3s, 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: 65, 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, 6.3s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 4582 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 19:00:12,341 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 19:00:12,540 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