./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.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/mix026_power.opt_tso.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/mix026_power.opt_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_power.opt_tso.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 19:26:27,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:26:27,703 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:26:27,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:26:27,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:26:27,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:26:27,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:26:27,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:26:27,726 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:26:27,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:26:27,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:26:27,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:26:27,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:26:27,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:26:27,728 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:26:27,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:26:27,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:26:27,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:26:27,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:26:27,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:26:27,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:26:27,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:26:27,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:26:27,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:26:27,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:26:27,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:26:27,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:26:27,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:26:27,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:26:27,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:26:27,733 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:26:27,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:26:27,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:27,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:26:27,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:26:27,734 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:26:27,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:26:27,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:26:27,735 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:26:27,735 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:26:27,735 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:26:27,735 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:26:27,736 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:26:27,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:26:27,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:26:27,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:26:27,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:26:27,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:26:27,999 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:26:28,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i [2024-02-07 19:26:29,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:26:29,435 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:26:29,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i [2024-02-07 19:26:29,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b108d0902/1af83f84680044a69c6b57959f22a149/FLAG4d11266c4 [2024-02-07 19:26:29,470 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b108d0902/1af83f84680044a69c6b57959f22a149 [2024-02-07 19:26:29,472 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:26:29,473 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:26:29,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_power.opt_tso.opt.yml/witness.yml [2024-02-07 19:26:29,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:26:29,643 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:26:29,646 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:29,646 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:26:29,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:26:29,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:29" (1/2) ... [2024-02-07 19:26:29,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b8e8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:29, skipping insertion in model container [2024-02-07 19:26:29,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:29" (1/2) ... [2024-02-07 19:26:29,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1593daad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:29, skipping insertion in model container [2024-02-07 19:26:29,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:29" (2/2) ... [2024-02-07 19:26:29,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b8e8b7 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:29, skipping insertion in model container [2024-02-07 19:26:29,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:29" (2/2) ... [2024-02-07 19:26:29,654 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:26:29,857 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:26:29,859 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:26:29,860 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,860 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 19:26:29,860 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:26:29,860 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:29,861 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:26:29,861 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,861 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,861 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (x$r_buff0_thd4 == (_Bool)0) && (x$r_buff1_thd3 == (_Bool)0) [2024-02-07 19:26:29,861 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] y == 1 [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x$w_buff1) && (x$w_buff1 <= 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1) [2024-02-07 19:26:29,862 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,863 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 19:26:29,863 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:26:29,863 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] 0 <= __unbuffered_cnt [2024-02-07 19:26:29,863 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] a == 1 [2024-02-07 19:26:29,863 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] 1 <= __unbuffered_cnt [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (x$w_buff0 == 1) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:26:29,864 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (z == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p3_EAX == 2 || (((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || ((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || (((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2))) [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] 0 <= __unbuffered_cnt [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 1 <= __unbuffered_cnt [2024-02-07 19:26:29,865 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:29,866 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] 0 <= __unbuffered_cnt [2024-02-07 19:26:29,866 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (x$r_buff1_thd4 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,866 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:26:29,867 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 1 <= __unbuffered_cnt [2024-02-07 19:26:29,867 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,867 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,867 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:26:29,867 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:29,868 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,868 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:29,868 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,868 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:29,869 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,870 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 0 <= __unbuffered_cnt [2024-02-07 19:26:29,870 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:29,870 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:26:29,871 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] 1 <= __unbuffered_cnt [2024-02-07 19:26:29,871 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:26:29,871 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,871 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] z == 2 [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 0 <= __unbuffered_cnt [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((0 <= x$w_buff0) && (x$w_buff0 <= 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1) [2024-02-07 19:26:29,872 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x$flush_delayed == (_Bool)0 [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z == 1 [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 19:26:29,873 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:26:29,914 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:26:30,079 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/mix026_power.opt_tso.opt.i[1001,1014] [2024-02-07 19:26:30,281 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:30,292 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:26:30,341 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/mix026_power.opt_tso.opt.i[1001,1014] 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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:26:30,528 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:30,565 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:26:30,566 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:30 WrapperNode [2024-02-07 19:26:30,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:30,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:30,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:26:30,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:26:30,576 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,620 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,661 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 180 [2024-02-07 19:26:30,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:30,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:26:30,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:26:30,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:26:30,688 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,688 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,732 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,757 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 19:26:30,758 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,758 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,792 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,805 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,807 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,809 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:26:30,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:26:30,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:26:30,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:26:30,831 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 07:26:30" (1/1) ... [2024-02-07 19:26:30,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:30,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:26:31,013 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 19:26:31,017 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 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:26:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:26:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:26:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:26:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:26:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:26:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:26:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:26:31,073 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 19:26:31,265 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:26:31,267 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:26:31,894 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:26:31,894 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:26:32,187 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:26:32,188 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:26:32,188 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:32 BoogieIcfgContainer [2024-02-07 19:26:32,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:26:32,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:26:32,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:26:32,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:26:32,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:26:29" (1/4) ... [2024-02-07 19:26:32,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec18d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:29" (2/4) ... [2024-02-07 19:26:32,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec18d1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,229 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 07:26:30" (3/4) ... [2024-02-07 19:26:32,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fec18d1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:32" (4/4) ... [2024-02-07 19:26:32,230 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_power.opt_tso.opt.i [2024-02-07 19:26:32,245 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:26:32,246 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-02-07 19:26:32,246 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:26:32,387 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:26:32,420 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 125 transitions, 266 flow [2024-02-07 19:26:32,481 INFO L124 PetriNetUnfolderBase]: 1/121 cut-off events. [2024-02-07 19:26:32,481 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:32,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 121 events. 1/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 595 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 125. Up to 2 conditions per place. [2024-02-07 19:26:32,486 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 125 transitions, 266 flow [2024-02-07 19:26:32,493 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 121 transitions, 254 flow [2024-02-07 19:26:32,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:26:32,511 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;@5428623b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:26:32,511 INFO L358 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2024-02-07 19:26:32,515 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:26:32,516 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:26:32,516 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:32,516 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:32,517 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:26:32,517 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 19:26:32,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:32,524 INFO L85 PathProgramCache]: Analyzing trace with hash 23709701, now seen corresponding path program 1 times [2024-02-07 19:26:32,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:32,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718215784] [2024-02-07 19:26:32,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:32,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:32,658 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 19:26:32,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:32,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718215784] [2024-02-07 19:26:32,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718215784] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:32,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:32,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817622026] [2024-02-07 19:26:32,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:32,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:26:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:32,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:26:32,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:26:32,691 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 125 [2024-02-07 19:26:32,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 121 transitions, 254 flow. Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 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 19:26:32,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:32,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 125 [2024-02-07 19:26:32,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand