./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.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/mix023_power.opt_pso.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 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/mix023_power.opt_pso.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix023_power.opt_pso.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-dev-958ec4d-m [2024-02-07 14:47:26,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:47:26,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:47:26,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:47:26,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:47:26,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:47:26,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:47:26,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:47:26,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:47:26,890 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:47:26,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:47:26,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:47:26,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:47:26,892 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:47:26,892 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:47:26,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:47:26,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:47:26,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:47:26,893 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:47:26,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:47:26,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:47:26,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:47:26,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:47:26,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:47:26,895 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:47:26,895 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:47:26,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:47:26,896 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:47:26,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:47:26,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:47:26,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:47:26,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:47:26,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:26,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:47:26,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:47:26,898 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:47:26,898 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:47:26,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:47:26,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:47:26,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:47:26,899 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:47:26,899 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:47:26,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:47:26,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:47:27,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:47:27,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:47:27,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:47:27,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:47:27,151 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:47:27,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:47:28,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:47:28,403 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:47:28,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix023_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:47:28,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb31ff54/086587f79df64205a4cd936bf7c29daf/FLAGc10d6298d [2024-02-07 14:47:28,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfb31ff54/086587f79df64205a4cd936bf7c29daf [2024-02-07 14:47:28,431 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:47:28,431 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:47:28,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix023_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-02-07 14:47:28,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:47:28,569 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:47:28,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:28,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:47:28,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:47:28,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:28" (1/2) ... [2024-02-07 14:47:28,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2364a29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:28, skipping insertion in model container [2024-02-07 14:47:28,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:28" (1/2) ... [2024-02-07 14:47:28,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a09d1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:28, skipping insertion in model container [2024-02-07 14:47:28,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:28" (2/2) ... [2024-02-07 14:47:28,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2364a29e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:28, skipping insertion in model container [2024-02-07 14:47:28,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:28" (2/2) ... [2024-02-07 14:47:28,579 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:47:28,729 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:47:28,731 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] z == 1 [2024-02-07 14:47:28,731 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (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 14:47:28,731 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (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 14:47:28,731 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 14:47:28,731 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,732 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:47:28,732 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:47:28,732 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (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 14:47:28,732 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] 1 <= __unbuffered_cnt [2024-02-07 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] (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 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 14:47:28,733 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 14:47:28,733 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:47:28,734 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (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 14:47:28,734 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:47:28,734 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 2)) && (__unbuffered_p1_EAX <= 127)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2) [2024-02-07 14:47:28,734 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:47:28,734 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:47:28,735 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] 0 <= __unbuffered_cnt [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] z == 2 [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:47:28,736 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:28,737 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:28,737 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] (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 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((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 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((z == 2 && ((__unbuffered_p1_EAX == 2 && ((__unbuffered_p1_EBX == 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_EBX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EBX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || ((((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && __unbuffered_p1_EBX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || ((((((((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p3_EAX) && 0 <= z) && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && __unbuffered_p1_EBX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && z <= 2) && z <= 127) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)) && ((z == 0 || z == 1) || z == 2))) [2024-02-07 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 14:47:28,738 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] 1 <= __unbuffered_cnt [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] 0 <= __unbuffered_cnt [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] y$flush_delayed == (_Bool)0 [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:28,739 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 1 <= __unbuffered_cnt [2024-02-07 14:47:28,740 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 14:47:28,740 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:47:28,740 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 14:47:28,740 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] a == 1 [2024-02-07 14:47:28,740 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:47:28,741 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:28,741 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (y$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 14:47:28,742 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:47:28,743 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:28,743 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 0 <= __unbuffered_cnt [2024-02-07 14:47:28,743 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:47:28,743 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] 0 <= __unbuffered_cnt [2024-02-07 14:47:28,743 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 14:47:28,743 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 14:47:28,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:47:28,921 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/mix023_power.opt_pso.opt_rmo.opt.i[966,979] [2024-02-07 14:47:29,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:29,075 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:47:29,100 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/mix023_power.opt_pso.opt_rmo.opt.i[966,979] 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 14:47:29,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:29,274 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:47:29,274 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:29 WrapperNode [2024-02-07 14:47:29,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:29,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:29,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:47:29,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:47:29,280 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,293 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,316 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2024-02-07 14:47:29,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:29,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:47:29,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:47:29,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:47:29,325 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,325 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,328 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,342 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 14:47:29,342 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,342 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,354 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,361 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,363 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,364 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,369 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:47:29,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:47:29,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:47:29,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:47:29,370 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 02:47:29" (1/1) ... [2024-02-07 14:47:29,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:29,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:47:29,391 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 14:47:29,399 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 14:47:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:47:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:47:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:47:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:47:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:47:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:47:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:47:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:47:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:47:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:47:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:47:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:47:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:47:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:47:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:47:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:47:29,429 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 14:47:29,570 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:47:29,571 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:47:29,988 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:47:29,988 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:47:30,359 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:47:30,360 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:47:30,360 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:30 BoogieIcfgContainer [2024-02-07 14:47:30,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:47:30,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:47:30,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:47:30,365 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:47:30,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:47:28" (1/4) ... [2024-02-07 14:47:30,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b79f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:30, skipping insertion in model container [2024-02-07 14:47:30,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:28" (2/4) ... [2024-02-07 14:47:30,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b79f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:30, skipping insertion in model container [2024-02-07 14:47:30,366 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 02:47:29" (3/4) ... [2024-02-07 14:47:30,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b79f9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:30, skipping insertion in model container [2024-02-07 14:47:30,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:30" (4/4) ... [2024-02-07 14:47:30,368 INFO L112 eAbstractionObserver]: Analyzing ICFG mix023_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:47:30,384 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:47:30,385 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-02-07 14:47:30,385 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:47:30,480 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:47:30,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 14:47:30,574 INFO L124 PetriNetUnfolderBase]: 1/117 cut-off events. [2024-02-07 14:47:30,574 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:30,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 1/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 589 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2024-02-07 14:47:30,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 14:47:30,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 117 transitions, 246 flow [2024-02-07 14:47:30,598 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:47:30,604 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;@6413ae94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:47:30,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2024-02-07 14:47:30,609 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:47:30,609 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:47:30,609 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:30,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:30,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:47:30,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 14:47:30,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:30,618 INFO L85 PathProgramCache]: Analyzing trace with hash 23695927, now seen corresponding path program 1 times [2024-02-07 14:47:30,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:30,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636730896] [2024-02-07 14:47:30,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:30,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:30,763 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 14:47:30,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:30,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636730896] [2024-02-07 14:47:30,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636730896] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:30,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:30,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:30,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153579483] [2024-02-07 14:47:30,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:30,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:47:30,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:30,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:47:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:47:30,816 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 14:47:30,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 117 transitions, 246 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 14:47:30,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:30,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 14:47:30,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:55,509 INFO L124 PetriNetUnfolderBase]: 244363/346813 cut-off events. [2024-02-07 14:47:55,510 INFO L125 PetriNetUnfolderBase]: For 448/448 co-relation queries the response was YES. [2024-02-07 14:47:56,381 INFO L83 FinitePrefix]: Finished finitePrefix Result has 664205 conditions, 346813 events. 244363/346813 cut-off events. For 448/448 co-relation queries the response was YES. Maximal size of possible extension queue 16570. Compared 3018698 event pairs, 244363 based on Foata normal form. 5040/184790 useless extension candidates. Maximal degree in co-relation 664193. Up to 316365 conditions per place. [2024-02-07 14:47:57,875 INFO L140 encePairwiseOnDemand]: 84/121 looper letters, 54 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2024-02-07 14:47:57,875 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 254 flow [2024-02-07 14:47:57,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:47:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:47:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 125 transitions. [2024-02-07 14:47:57,884 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5165289256198347 [2024-02-07 14:47:57,885 INFO L175 Difference]: Start difference. First operand has 129 places, 117 transitions, 246 flow. Second operand 2 states and 125 transitions. [2024-02-07 14:47:57,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 254 flow [2024-02-07 14:47:57,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 67 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:47:57,902 INFO L231 Difference]: Finished difference. Result has 77 places, 67 transitions, 142 flow [2024-02-07 14:47:57,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=142, PETRI_PLACES=77, PETRI_TRANSITIONS=67} [2024-02-07 14:47:57,906 INFO L281 CegarLoopForPetriNet]: 129 programPoint places, -52 predicate places. [2024-02-07 14:47:57,906 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 142 flow [2024-02-07 14:47:57,906 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 14:47:57,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:57,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:57,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:47:57,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 14:47:57,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1551580713, now seen corresponding path program 1 times [2024-02-07 14:47:57,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:57,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365165357] [2024-02-07 14:47:57,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:57,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:58,007 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 14:47:58,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:58,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365165357] [2024-02-07 14:47:58,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365165357] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:58,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:58,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:58,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113196653] [2024-02-07 14:47:58,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:58,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:58,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:58,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:58,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:58,011 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 14:47:58,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 14:47:58,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:58,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 14:47:58,012 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand