./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix017_power.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix017_power.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:25:16,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:25:17,022 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:25:17,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:25:17,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:25:17,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:25:17,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:25:17,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:25:17,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:25:17,062 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:25:17,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:25:17,062 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:25:17,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:25:17,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:25:17,064 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:25:17,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:25:17,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:25:17,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:25:17,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:25:17,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:25:17,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:25:17,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:25:17,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:25:17,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:25:17,067 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:25:17,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:25:17,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:25:17,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:25:17,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:25:17,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:25:17,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:25:17,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:25:17,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:25:17,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:25:17,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:25:17,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:25:17,070 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:25:17,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:25:17,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:25:17,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:25:17,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:25:17,071 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:25:17,072 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:25:17,072 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:25:17,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:25:17,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:25:17,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:25:17,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:25:17,330 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:25:17,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-02-07 19:25:18,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:25:18,567 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:25:18,567 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-02-07 19:25:18,581 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b0020ef/28256bcca6f14ffebef3ae910f97c83b/FLAG80415613e [2024-02-07 19:25:18,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b0020ef/28256bcca6f14ffebef3ae910f97c83b [2024-02-07 19:25:18,597 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:25:18,597 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:25:18,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix017_power.opt_rmo.opt.yml/witness.yml [2024-02-07 19:25:18,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:25:18,735 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:25:18,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:25:18,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:25:18,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:25:18,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:25:18" (1/2) ... [2024-02-07 19:25:18,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123c7a4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:25:18, skipping insertion in model container [2024-02-07 19:25:18,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:25:18" (1/2) ... [2024-02-07 19:25:18,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@86a9b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:25:18, skipping insertion in model container [2024-02-07 19:25:18,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:18" (2/2) ... [2024-02-07 19:25:18,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123c7a4c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:18, skipping insertion in model container [2024-02-07 19:25:18,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:18" (2/2) ... [2024-02-07 19:25:18,745 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:25:18,938 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:25:18,940 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:25:18,940 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:25:18,940 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:25:18,940 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:25:18,940 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:25:18,941 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] 1 <= __unbuffered_cnt [2024-02-07 19:25:18,941 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,941 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:25:18,941 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((((y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1) || (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1)) || (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1)) || (y$r_buff0_thd4 == (_Bool)0 && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1)) [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] 1 <= __unbuffered_cnt [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:18,942 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:25:18,943 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:25:18,943 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] 0 <= __unbuffered_cnt [2024-02-07 19:25:18,943 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:25:18,943 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:25:18,943 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:25:18,944 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,944 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:25:18,944 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] a == 1 [2024-02-07 19:25:18,975 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((((y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1) || ((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || ((y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1)) [2024-02-07 19:25:18,975 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:18,975 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] 0 <= __unbuffered_cnt [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,976 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:25:18,977 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:25:18,977 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,977 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,977 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 1 <= __unbuffered_cnt [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] 0 <= __unbuffered_cnt [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:25:18,979 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] 1 <= __unbuffered_cnt [2024-02-07 19:25:18,980 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:25:18,980 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:25:18,980 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:25:18,980 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,980 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] 0 <= __unbuffered_cnt [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x == 1 [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:25:18,981 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,982 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] z == 1 [2024-02-07 19:25:18,982 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:25:18,983 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,983 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:25:18,984 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:18,985 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] 0 <= __unbuffered_cnt [2024-02-07 19:25:18,985 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] y$flush_delayed == (_Bool)0 [2024-02-07 19:25:18,985 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:19,029 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:25:19,177 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2024-02-07 19:25:19,370 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:25:19,381 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:25:19,409 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:25:19,504 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:25:19,535 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:25:19,535 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19 WrapperNode [2024-02-07 19:25:19,536 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:25:19,536 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:25:19,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:25:19,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:25:19,542 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 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,553 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 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,573 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2024-02-07 19:25:19,583 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:25:19,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:25:19,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:25:19,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:25:19,592 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,634 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:25:19,635 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,635 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:25:19,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:25:19,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:25:19,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:25:19,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (1/1) ... [2024-02-07 19:25:19,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:25:19,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:25:19,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:25:19,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:25:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:25:19,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:25:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:25:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:25:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:25:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:25:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:25:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:25:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:25:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:25:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:25:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:25:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:25:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:25:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:25:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:25:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:25:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:25:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:25:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:25:19,751 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:25:19,910 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:25:19,912 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:25:20,415 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:25:20,415 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:25:20,730 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:25:20,730 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:25:20,731 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:25:20 BoogieIcfgContainer [2024-02-07 19:25:20,731 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:25:20,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:25:20,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:25:20,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:25:20,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:25:18" (1/4) ... [2024-02-07 19:25:20,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541afa8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:25:20, skipping insertion in model container [2024-02-07 19:25:20,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:18" (2/4) ... [2024-02-07 19:25:20,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541afa8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:25:20, skipping insertion in model container [2024-02-07 19:25:20,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:19" (3/4) ... [2024-02-07 19:25:20,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@541afa8f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:25:20, skipping insertion in model container [2024-02-07 19:25:20,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:25:20" (4/4) ... [2024-02-07 19:25:20,740 INFO L112 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2024-02-07 19:25:20,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:25:20,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-02-07 19:25:20,759 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:25:20,849 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:25:20,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 120 transitions, 256 flow [2024-02-07 19:25:20,930 INFO L124 PetriNetUnfolderBase]: 1/116 cut-off events. [2024-02-07 19:25:20,931 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:25:20,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 1/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 529 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2024-02-07 19:25:20,936 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 120 transitions, 256 flow [2024-02-07 19:25:20,942 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 116 transitions, 244 flow [2024-02-07 19:25:20,988 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:25:21,009 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@172f6574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:25:21,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2024-02-07 19:25:21,014 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:25:21,014 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:25:21,014 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:25:21,015 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:25:21,015 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:25:21,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 19:25:21,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:25:21,044 INFO L85 PathProgramCache]: Analyzing trace with hash 23516156, now seen corresponding path program 1 times [2024-02-07 19:25:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:25:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848930342] [2024-02-07 19:25:21,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:25:21,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:25:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:25:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:25:21,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:25:21,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848930342] [2024-02-07 19:25:21,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848930342] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:25:21,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:25:21,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:25:21,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824162898] [2024-02-07 19:25:21,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:25:21,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:25:21,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:25:21,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:25:21,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:25:21,257 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 120 [2024-02-07 19:25:21,259 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 116 transitions, 244 flow. Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-02-07 19:25:21,259 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:25:21,259 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 120 [2024-02-07 19:25:21,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:25:48,330 INFO L124 PetriNetUnfolderBase]: 245222/347818 cut-off events. [2024-02-07 19:25:48,331 INFO L125 PetriNetUnfolderBase]: For 445/445 co-relation queries the response was YES. [2024-02-07 19:25:49,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666073 conditions, 347818 events. 245222/347818 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 17110. Compared 3027235 event pairs, 245222 based on Foata normal form. 5040/176539 useless extension candidates. Maximal degree in co-relation 666061. Up to 317226 conditions per place. [2024-02-07 19:25:50,701 INFO L140 encePairwiseOnDemand]: 84/120 looper letters, 53 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2024-02-07 19:25:50,701 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 66 transitions, 250 flow [2024-02-07 19:25:50,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:25:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:25:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 123 transitions. [2024-02-07 19:25:50,710 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5125 [2024-02-07 19:25:50,712 INFO L175 Difference]: Start difference. First operand has 128 places, 116 transitions, 244 flow. Second operand 2 states and 123 transitions. [2024-02-07 19:25:50,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 66 transitions, 250 flow [2024-02-07 19:25:50,723 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:25:50,725 INFO L231 Difference]: Finished difference. Result has 76 places, 66 transitions, 140 flow [2024-02-07 19:25:50,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=120, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=76, PETRI_TRANSITIONS=66} [2024-02-07 19:25:50,729 INFO L281 CegarLoopForPetriNet]: 128 programPoint places, -52 predicate places. [2024-02-07 19:25:50,729 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 66 transitions, 140 flow [2024-02-07 19:25:50,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 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) [2024-02-07 19:25:50,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:25:50,730 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:25:50,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:25:50,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 19:25:50,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:25:50,732 INFO L85 PathProgramCache]: Analyzing trace with hash 729001696, now seen corresponding path program 1 times [2024-02-07 19:25:50,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:25:50,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319635298] [2024-02-07 19:25:50,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:25:50,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:25:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:25:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:25:50,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:25:50,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319635298] [2024-02-07 19:25:50,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319635298] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:25:50,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:25:50,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:25:50,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196119533] [2024-02-07 19:25:50,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:25:50,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:25:50,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:25:50,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:25:50,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:25:50,810 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 120 [2024-02-07 19:25:50,811 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 66 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-02-07 19:25:50,811 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:25:50,812 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 120 [2024-02-07 19:25:50,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand