./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 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/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-dev-958ec4d-m [2024-02-07 14:47:18,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:47:18,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:47:18,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:47:18,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:47:18,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:47:18,216 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:47:18,216 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:47:18,217 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:47:18,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:47:18,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:47:18,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:47:18,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:47:18,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:47:18,224 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:47:18,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:47:18,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:47:18,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:47:18,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:47:18,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:47:18,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:47:18,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:47:18,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:47:18,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:47:18,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:47:18,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:47:18,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:47:18,227 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:47:18,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:47:18,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:47:18,229 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:47:18,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:47:18,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:18,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:47:18,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:47:18,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:47:18,230 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:47:18,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:47:18,231 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:47:18,231 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:47:18,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:47:18,231 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:47:18,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:47:18,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:47:18,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:47:18,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:47:18,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:47:18,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:47:18,556 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:47:18,557 INFO L431 ainManager$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 14:47:19,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:47:19,938 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:47:19,939 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021_tso.oepc.i [2024-02-07 14:47:19,964 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761761b50/774b267a9f4348fab5a5224ddf04b09b/FLAGf8949e0ff [2024-02-07 14:47:19,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/761761b50/774b267a9f4348fab5a5224ddf04b09b [2024-02-07 14:47:19,984 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:47:19,985 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:47:19,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix021_tso.oepc.yml/witness.yml [2024-02-07 14:47:20,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:47:20,169 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:47:20,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:20,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:47:20,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:47:20,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:19" (1/2) ... [2024-02-07 14:47:20,177 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7132785c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:20, skipping insertion in model container [2024-02-07 14:47:20,177 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:19" (1/2) ... [2024-02-07 14:47:20,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16d42b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:20, skipping insertion in model container [2024-02-07 14:47:20,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (2/2) ... [2024-02-07 14:47:20,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7132785c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:20, skipping insertion in model container [2024-02-07 14:47:20,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (2/2) ... [2024-02-07 14:47:20,180 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:47:20,362 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:47:20,364 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] 0 <= __unbuffered_cnt [2024-02-07 14:47:20,364 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] x == 2 [2024-02-07 14:47:20,364 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] 0 <= __unbuffered_cnt [2024-02-07 14:47:20,364 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] a == 1 [2024-02-07 14:47:20,364 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:20,365 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,365 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] 1 <= __unbuffered_cnt [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] x == 1 [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$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$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,366 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] 1 <= __unbuffered_cnt [2024-02-07 14:47:20,367 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:47:20,367 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:47:20,367 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:47:20,367 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 14:47:20,367 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 14:47:20,367 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 14:47:20,368 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 14:47:20,368 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 14:47:20,368 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:47:20,368 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,369 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 14:47:20,369 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 14:47:20,369 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:20,369 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 14:47:20,369 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 14:47:20,369 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 14:47:20,370 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 14:47:20,370 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] z == 1 [2024-02-07 14:47:20,370 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 14:47:20,370 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 14:47:20,370 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] y$flush_delayed == (_Bool)0 [2024-02-07 14:47:20,370 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$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$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:47:20,371 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:47:20,371 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:47:20,372 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] 1 <= __unbuffered_cnt [2024-02-07 14:47:20,372 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:47:20,372 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:47:20,372 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 14:47:20,372 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:47:20,373 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:20,373 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 14:47:20,373 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:47:20,374 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 14:47:20,374 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 14:47:20,374 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:47:20,374 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:47:20,374 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:20,374 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:47:20,375 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] 0 <= __unbuffered_cnt [2024-02-07 14:47:20,375 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,375 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,376 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] y == 1 [2024-02-07 14:47:20,376 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:47:20,377 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] y$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:47:20,377 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 14:47:20,377 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 14:47:20,377 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 14:47:20,377 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] 1 <= __unbuffered_cnt [2024-02-07 14:47:20,378 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 14:47:20,378 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:47:20,378 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 0 <= __unbuffered_cnt [2024-02-07 14:47:20,378 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 14:47:20,378 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 14:47:20,378 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:20,378 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,379 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (y$r_buff0_thd2 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:47:20,379 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] 0 <= __unbuffered_cnt [2024-02-07 14:47:20,379 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 14:47:20,379 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 14:47:20,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:47:20,615 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 14:47:20,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:20,839 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:47:20,873 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 14:47:21,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:21,053 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:47:21,053 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:21 WrapperNode [2024-02-07 14:47:21,053 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:21,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:21,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:47:21,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:47:21,062 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,094 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,143 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 207 [2024-02-07 14:47:21,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:21,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:47:21,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:47:21,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:47:21,156 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,156 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,172 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,219 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 14:47:21,220 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,220 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,231 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,233 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,237 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,248 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:47:21,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:47:21,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:47:21,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:47:21,255 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 02:47:21" (1/1) ... [2024-02-07 14:47:21,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:21,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:47:21,323 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 14:47:21,346 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 14:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:47:21,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:47:21,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:47:21,363 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:47:21,363 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:47:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:47:21,364 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:47:21,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:47:21,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:47:21,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:47:21,366 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 14:47:21,540 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:47:21,542 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:47:22,090 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:47:22,091 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:47:22,633 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:47:22,634 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:47:22,635 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:22 BoogieIcfgContainer [2024-02-07 14:47:22,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:47:22,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:47:22,638 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:47:22,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:47:22,641 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:47:19" (1/4) ... [2024-02-07 14:47:22,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824d88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:22, skipping insertion in model container [2024-02-07 14:47:22,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:20" (2/4) ... [2024-02-07 14:47:22,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824d88e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:22, skipping insertion in model container [2024-02-07 14:47:22,643 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 02:47:21" (3/4) ... [2024-02-07 14:47:22,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2824d88e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:22, skipping insertion in model container [2024-02-07 14:47:22,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:22" (4/4) ... [2024-02-07 14:47:22,646 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021_tso.oepc.i [2024-02-07 14:47:22,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:47:22,663 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2024-02-07 14:47:22,663 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:47:22,806 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:47:22,848 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 14:47:22,914 INFO L124 PetriNetUnfolderBase]: 1/120 cut-off events. [2024-02-07 14:47:22,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:22,920 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 14:47:22,921 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 14:47:22,929 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 120 transitions, 252 flow [2024-02-07 14:47:22,944 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:47:22,950 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;@5c1a4349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:47:22,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 131 error locations. [2024-02-07 14:47:22,955 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:47:22,955 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:47:22,955 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:22,955 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:22,956 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:47:22,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 128 more)] === [2024-02-07 14:47:22,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:22,961 INFO L85 PathProgramCache]: Analyzing trace with hash 24816196, now seen corresponding path program 1 times [2024-02-07 14:47:22,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:22,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706914980] [2024-02-07 14:47:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:22,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:23,165 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 14:47:23,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:23,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706914980] [2024-02-07 14:47:23,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706914980] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:23,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:23,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:23,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659550049] [2024-02-07 14:47:23,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:23,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:47:23,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:23,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:47:23,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:47:23,216 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 124 [2024-02-07 14:47:23,218 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 14:47:23,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:23,219 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 124 [2024-02-07 14:47:23,219 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:53,766 INFO L124 PetriNetUnfolderBase]: 240479/328846 cut-off events. [2024-02-07 14:47:53,767 INFO L125 PetriNetUnfolderBase]: For 310/310 co-relation queries the response was YES. [2024-02-07 14:47:54,745 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 14:47:56,322 INFO L140 encePairwiseOnDemand]: 85/124 looper letters, 55 selfloop transitions, 0 changer transitions 0/67 dead transitions. [2024-02-07 14:47:56,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 67 transitions, 256 flow [2024-02-07 14:47:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:47:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:47:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 126 transitions. [2024-02-07 14:47:56,334 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5080645161290323 [2024-02-07 14:47:56,335 INFO L175 Difference]: Start difference. First operand has 132 places, 120 transitions, 252 flow. Second operand 2 states and 126 transitions. [2024-02-07 14:47:56,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 67 transitions, 256 flow [2024-02-07 14:47:56,354 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 14:47:56,358 INFO L231 Difference]: Finished difference. Result has 77 places, 67 transitions, 142 flow [2024-02-07 14:47:56,360 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 14:47:56,363 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -55 predicate places. [2024-02-07 14:47:56,364 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 67 transitions, 142 flow [2024-02-07 14:47:56,364 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 14:47:56,364 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:56,364 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:56,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:47:56,365 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 128 more)] === [2024-02-07 14:47:56,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:56,366 INFO L85 PathProgramCache]: Analyzing trace with hash 565797970, now seen corresponding path program 1 times [2024-02-07 14:47:56,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:56,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521039589] [2024-02-07 14:47:56,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:56,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:56,514 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 14:47:56,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:56,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521039589] [2024-02-07 14:47:56,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521039589] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:56,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:56,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:56,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614096428] [2024-02-07 14:47:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:56,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:56,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:56,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:56,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:56,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 124 [2024-02-07 14:47:56,521 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 14:47:56,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:56,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 124 [2024-02-07 14:47:56,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand