./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.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/mix021_tso.oepc.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/mix021_tso.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix021_tso.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:25:57,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:25:57,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:25:57,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:25:57,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:25:57,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:25:57,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:25:57,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:25:57,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:25:57,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:25:57,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:25:57,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:25:57,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:25:57,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:25:57,940 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:25:57,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:25:57,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:25:57,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:25:57,941 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:25:57,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:25:57,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:25:57,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:25:57,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:25:57,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:25:57,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:25:57,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:25:57,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:25:57,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:25:57,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:25:57,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:25:57,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:25:57,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:25:57,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:25:57,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:25:57,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:25:57,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:25:57,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:25:57,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:25:57,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:25:57,946 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:25:57,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:25:57,947 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:25:57,947 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:25:57,947 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:25:58,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:25:58,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:25:58,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:25:58,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:25:58,192 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:25:58,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2024-02-07 19:25:59,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:25:59,578 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:25:59,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2024-02-07 19:25:59,600 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae095a1d/69ea2486936549cfad2a576fdcb49bb3/FLAG8fce61bcc [2024-02-07 19:25:59,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ae095a1d/69ea2486936549cfad2a576fdcb49bb3 [2024-02-07 19:25:59,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:25:59,624 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:25:59,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix021_tso.oepc.yml/witness.yml [2024-02-07 19:25:59,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:25:59,741 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:25:59,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:25:59,742 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:25:59,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:25:59,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:25:59" (1/2) ... [2024-02-07 19:25:59,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5303ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:25:59, skipping insertion in model container [2024-02-07 19:25:59,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:25:59" (1/2) ... [2024-02-07 19:25:59,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@548903a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:25:59, skipping insertion in model container [2024-02-07 19:25:59,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:59" (2/2) ... [2024-02-07 19:25:59,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5303ff and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:25:59, skipping insertion in model container [2024-02-07 19:25:59,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:59" (2/2) ... [2024-02-07 19:25:59,750 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:25:59,934 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:25:59,935 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] x == 1 [2024-02-07 19:25:59,935 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:25:59,936 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:25:59,936 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:25:59,936 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] y == 1 [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:25:59,937 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] x == 2 [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 0 <= __unbuffered_cnt [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:25:59,938 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] y$flush_delayed == (_Bool)0 [2024-02-07 19:25:59,939 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (y$w_buff0 == 2) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,939 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:25:59,939 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((((0 <= y$w_buff0) && (y$w_buff0 <= 2)) && (y$w_buff0 <= 127)) && (y$w_buff0 % 2 == 0)) && (y$w_buff0 == 0 || y$w_buff0 == 2) [2024-02-07 19:25:59,939 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:25:59,939 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] 0 <= __unbuffered_cnt [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] 0 <= __unbuffered_cnt [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (y$r_buff1_thd2 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:59,940 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] 1 <= __unbuffered_cnt [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,941 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:25:59,942 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,943 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:25:59,943 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:25:59,943 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:25:59,943 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,943 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] 1 <= __unbuffered_cnt [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,944 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] a == 1 [2024-02-07 19:25:59,945 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (y$r_buff1_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,945 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,945 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,945 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] 1 <= __unbuffered_cnt [2024-02-07 19:25:59,945 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:25:59,946 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] 1 <= __unbuffered_cnt [2024-02-07 19:25:59,946 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 19:25:59,946 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,947 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] ((((y$r_buff1_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd0 == (_Bool)0) || (((y$r_buff0_thd0 == (_Bool)0 && y$r_buff1_thd0 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:25:59,947 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] 0 <= __unbuffered_cnt [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:25:59,948 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:25:59,949 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((((0 <= y$w_buff1) && (y$w_buff1 <= 2)) && (y$w_buff1 <= 127)) && (y$w_buff1 % 2 == 0)) && (y$w_buff1 == 0 || y$w_buff1 == 2) [2024-02-07 19:25:59,949 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:25:59,949 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] 0 <= __unbuffered_cnt [2024-02-07 19:25:59,949 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:25:59,949 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && 0 <= y) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && y <= 2) && y <= 127) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((y == 0 || y == 1) || y == 2))) [2024-02-07 19:25:59,950 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] z == 1 [2024-02-07 19:25:59,950 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:25:59,986 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:26:00,136 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/mix021_tso.oepc.i[949,962] [2024-02-07 19:26:00,272 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:00,290 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:26:00,325 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/mix021_tso.oepc.i[949,962] 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 19:26:00,442 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:00,485 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:26:00,486 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:00 WrapperNode [2024-02-07 19:26:00,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:00,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:00,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:26:00,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:26:00,492 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,518 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,548 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 207 [2024-02-07 19:26:00,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:00,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:26:00,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:26:00,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:26:00,560 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,561 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,566 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,592 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 19:26:00,592 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,592 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,601 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,602 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,604 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,605 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:26:00,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:26:00,609 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:26:00,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:26:00,610 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 07:26:00" (1/1) ... [2024-02-07 19:26:00,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:26:00,634 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 19:26:00,675 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 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:26:00,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:26:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:26:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:26:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:26:00,686 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:26:00,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:26:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:26:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:26:00,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:26:00,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:26:00,688 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 19:26:00,822 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:26:00,824 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:26:01,277 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:26:01,277 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:26:01,653 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:26:01,653 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:26:01,654 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:01 BoogieIcfgContainer [2024-02-07 19:26:01,654 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:26:01,655 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:26:01,656 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:26:01,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:26:01,658 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:25:59" (1/4) ... [2024-02-07 19:26:01,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d33f12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:01, skipping insertion in model container [2024-02-07 19:26:01,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:25:59" (2/4) ... [2024-02-07 19:26:01,659 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d33f12d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:01, skipping insertion in model container [2024-02-07 19:26:01,660 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 07:26:00" (3/4) ... [2024-02-07 19:26:01,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d33f12d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:01, skipping insertion in model container [2024-02-07 19:26:01,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:01" (4/4) ... [2024-02-07 19:26:01,661 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021_tso.oepc.i [2024-02-07 19:26:01,675 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:26:01,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2024-02-07 19:26:01,675 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:26:01,766 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:26:01,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 19:26:01,864 INFO L124 PetriNetUnfolderBase]: 1/120 cut-off events. [2024-02-07 19:26:01,865 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:01,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 1/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 623 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2024-02-07 19:26:01,869 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 19:26:01,875 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 120 transitions, 252 flow [2024-02-07 19:26:01,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:26:01,896 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;@61dbd427, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:26:01,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-02-07 19:26:01,900 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:26:01,900 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:26:01,900 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:01,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:01,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:26:01,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 128 more)] === [2024-02-07 19:26:01,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:01,907 INFO L85 PathProgramCache]: Analyzing trace with hash 24816196, now seen corresponding path program 1 times [2024-02-07 19:26:01,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:01,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148613273] [2024-02-07 19:26:01,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:01,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:02,185 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 19:26:02,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:02,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148613273] [2024-02-07 19:26:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148613273] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:02,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:02,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365543807] [2024-02-07 19:26:02,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:02,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:26:02,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:02,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:26:02,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:26:02,222 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 124 [2024-02-07 19:26:02,225 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 120 transitions, 252 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 19:26:02,225 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:02,225 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 124 [2024-02-07 19:26:02,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:28,758 INFO L124 PetriNetUnfolderBase]: 240479/328846 cut-off events. [2024-02-07 19:26:28,759 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2024-02-07 19:26:29,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640998 conditions, 328846 events. 240479/328846 cut-off events. For 310/310 co-relation queries the response was YES. Maximal size of possible extension queue 16463. Compared 2647711 event pairs, 240479 based on Foata normal form. 3000/170671 useless extension candidates. Maximal degree in co-relation 640986. Up to 311413 conditions per place. [2024-02-07 19:26:31,483 INFO L140 encePairwiseOnDemand]: 85/124 looper letters, 55 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2024-02-07 19:26:31,483 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 256 flow [2024-02-07 19:26:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:26:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:26:31,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 126 transitions. [2024-02-07 19:26:31,514 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5080645161290323 [2024-02-07 19:26:31,515 INFO L175 Difference]: Start difference. First operand has 132 places, 120 transitions, 252 flow. Second operand 2 states and 126 transitions. [2024-02-07 19:26:31,516 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 256 flow [2024-02-07 19:26:31,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 67 transitions, 252 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:26:31,526 INFO L231 Difference]: Finished difference. Result has 77 places, 67 transitions, 142 flow [2024-02-07 19:26:31,528 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, 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 19:26:31,530 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -55 predicate places. [2024-02-07 19:26:31,530 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 142 flow [2024-02-07 19:26:31,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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 19:26:31,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:31,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:26:31,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:26:31,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 128 more)] === [2024-02-07 19:26:31,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:31,532 INFO L85 PathProgramCache]: Analyzing trace with hash 565797970, now seen corresponding path program 1 times [2024-02-07 19:26:31,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:31,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800878323] [2024-02-07 19:26:31,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:31,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:31,592 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 19:26:31,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:31,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800878323] [2024-02-07 19:26:31,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800878323] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:31,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:31,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:31,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071873478] [2024-02-07 19:26:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:31,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:31,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:31,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:31,596 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 124 [2024-02-07 19:26:31,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 67 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 19:26:31,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:31,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 124 [2024-02-07 19:26:31,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand