./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix030_tso.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/mix030_tso.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/mix030_tso.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix030_tso.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 14:48:09,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:48:09,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:48:09,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:48:09,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:48:09,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:48:09,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:48:09,641 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:48:09,642 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:48:09,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:48:09,645 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:48:09,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:48:09,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:48:09,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:48:09,647 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:48:09,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:48:09,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:48:09,648 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:48:09,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:48:09,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:48:09,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:48:09,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:48:09,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:48:09,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:48:09,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:48:09,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:48:09,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:48:09,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:48:09,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:48:09,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:48:09,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:48:09,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:48:09,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:09,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:48:09,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:48:09,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:48:09,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:48:09,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:48:09,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:48:09,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:48:09,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:48:09,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:48:09,950 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:48:09,951 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:48:09,952 INFO L431 ainManager$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/mix030_tso.yml/witness.yml [2024-02-07 14:48:10,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:48:10,085 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:48:10,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix030_tso.i [2024-02-07 14:48:11,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:48:11,408 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:48:11,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix030_tso.i [2024-02-07 14:48:11,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81c3fb50/21a5d96b551142aabd9bd4aef3a49e99/FLAGeec17dd47 [2024-02-07 14:48:11,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c81c3fb50/21a5d96b551142aabd9bd4aef3a49e99 [2024-02-07 14:48:11,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:48:11,436 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:48:11,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:11,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:48:11,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:48:11,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:10" (1/2) ... [2024-02-07 14:48:11,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683d338a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:11, skipping insertion in model container [2024-02-07 14:48:11,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:10" (1/2) ... [2024-02-07 14:48:11,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20290826 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:11, skipping insertion in model container [2024-02-07 14:48:11,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:11" (2/2) ... [2024-02-07 14:48:11,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683d338a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:11, skipping insertion in model container [2024-02-07 14:48:11,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:11" (2/2) ... [2024-02-07 14:48:11,446 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:48:11,625 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:48:11,626 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] a == 1 [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (z$r_buff0_thd3 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] 0 <= __unbuffered_cnt [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:11,627 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((((0 <= z) && (z <= 2)) && (z <= 127)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] 0 <= __unbuffered_cnt [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] z$flush_delayed == (_Bool)0 [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] 1 <= __unbuffered_cnt [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((0 <= z$w_buff0) && (z$w_buff0 <= 2)) && (z$w_buff0 <= 127)) && (z$w_buff0 % 2 == 0)) && (z$w_buff0 == 0 || z$w_buff0 == 2) [2024-02-07 14:48:11,628 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] z$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((0 <= z$w_buff1) && (z$w_buff1 <= 2)) && (z$w_buff1 <= 127)) && (z$w_buff1 % 2 == 0)) && (z$w_buff1 == 0 || z$w_buff1 == 2) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:48:11,629 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] z$flush_delayed == (_Bool)0 [2024-02-07 14:48:11,630 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (z$r_buff1_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,630 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:48:11,630 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] 1 <= __unbuffered_cnt [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] z == 1 [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,631 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,632 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] ((((0 <= z) && (z <= 2)) && (z <= 127)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:11,632 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:11,632 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,632 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:48:11,633 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (z$r_buff0_thd3 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,633 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:48:11,633 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] x == 2 [2024-02-07 14:48:11,634 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:48:11,634 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:48:11,634 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:48:11,634 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,634 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] 1 <= __unbuffered_cnt [2024-02-07 14:48:11,635 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,635 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:48:11,635 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:48:11,635 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] 0 <= __unbuffered_cnt [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] 0 <= __unbuffered_cnt [2024-02-07 14:48:11,636 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] ((((0 <= z) && (z <= 2)) && (z <= 127)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:48:11,637 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] 0 <= __unbuffered_cnt [2024-02-07 14:48:11,637 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:11,637 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (z$w_buff0 == 2) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,637 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:11,638 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (z$r_buff1_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,638 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] 1 <= __unbuffered_cnt [2024-02-07 14:48:11,638 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] y == 1 [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] y == 2 [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] (z$r_buff1_thd3 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:48:11,639 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:11,640 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((y == 2 && ((z == 2 && (__unbuffered_p3_EAX == 2 || (((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || (((((((0 <= __unbuffered_p3_EAX && 0 <= z) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && z <= 2) && z <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)) && ((z == 0 || z == 1) || z == 2)))) || (((((((((((0 <= __unbuffered_p3_EAX && 0 <= y) && 0 <= z) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && y <= 2) && y <= 127) && z <= 2) && z <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)) && ((y == 0 || y == 1) || y == 2)) && ((z == 0 || z == 1) || z == 2))) [2024-02-07 14:48:11,640 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,640 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,640 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:48:11,641 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] x == 1 [2024-02-07 14:48:11,641 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:48:11,641 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,641 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:48:11,641 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:11,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:48:11,827 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/mix030_tso.i[944,957] [2024-02-07 14:48:12,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:12,032 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:48:12,066 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/mix030_tso.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:48:12,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:12,234 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:48:12,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12 WrapperNode [2024-02-07 14:48:12,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:12,235 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:12,235 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:48:12,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:48:12,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,310 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 239 [2024-02-07 14:48:12,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:12,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:48:12,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:48:12,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:48:12,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,324 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,382 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 14:48:12,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,383 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:48:12,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:48:12,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:48:12,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:48:12,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (1/1) ... [2024-02-07 14:48:12,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:12,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:48:12,479 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 14:48:12,503 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 14:48:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:48:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:48:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:48:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:48:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:48:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:48:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:48:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:48:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:48:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:48:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:48:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:48:12,534 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 14:48:12,674 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:48:12,676 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:48:13,184 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:48:13,185 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:48:13,617 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:48:13,618 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:48:13,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:13 BoogieIcfgContainer [2024-02-07 14:48:13,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:48:13,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:48:13,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:48:13,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:48:13,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:10" (1/4) ... [2024-02-07 14:48:13,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343620ef and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:48:13, skipping insertion in model container [2024-02-07 14:48:13,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:48:11" (2/4) ... [2024-02-07 14:48:13,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343620ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:13, skipping insertion in model container [2024-02-07 14:48:13,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:12" (3/4) ... [2024-02-07 14:48:13,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343620ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:13, skipping insertion in model container [2024-02-07 14:48:13,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:13" (4/4) ... [2024-02-07 14:48:13,626 INFO L112 eAbstractionObserver]: Analyzing ICFG mix030_tso.i [2024-02-07 14:48:13,640 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:48:13,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 80 error locations. [2024-02-07 14:48:13,641 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:48:13,779 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:48:13,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 128 transitions, 272 flow [2024-02-07 14:48:13,890 INFO L124 PetriNetUnfolderBase]: 1/124 cut-off events. [2024-02-07 14:48:13,897 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:13,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 1/124 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 647 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 128. Up to 2 conditions per place. [2024-02-07 14:48:13,901 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 128 transitions, 272 flow [2024-02-07 14:48:13,909 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 136 places, 124 transitions, 260 flow [2024-02-07 14:48:13,921 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:48:13,928 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;@27b2d542, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:48:13,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 139 error locations. [2024-02-07 14:48:13,932 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:48:13,933 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:48:13,933 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:13,933 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:13,934 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:48:13,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:48:13,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:13,941 INFO L85 PathProgramCache]: Analyzing trace with hash 27813039, now seen corresponding path program 1 times [2024-02-07 14:48:13,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:13,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898489443] [2024-02-07 14:48:13,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:14,068 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 14:48:14,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:14,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898489443] [2024-02-07 14:48:14,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898489443] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:14,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:14,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:14,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733499231] [2024-02-07 14:48:14,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:14,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:48:14,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:14,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:48:14,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:48:14,098 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 128 [2024-02-07 14:48:14,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 124 transitions, 260 flow. Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:14,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:14,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 128 [2024-02-07 14:48:14,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:26,090 INFO L124 PetriNetUnfolderBase]: 109259/153893 cut-off events. [2024-02-07 14:48:26,091 INFO L125 PetriNetUnfolderBase]: For 346/346 co-relation queries the response was YES. [2024-02-07 14:48:26,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297169 conditions, 153893 events. 109259/153893 cut-off events. For 346/346 co-relation queries the response was YES. Maximal size of possible extension queue 7725. Compared 1229214 event pairs, 109259 based on Foata normal form. 1800/90301 useless extension candidates. Maximal degree in co-relation 297157. Up to 142465 conditions per place. [2024-02-07 14:48:27,338 INFO L140 encePairwiseOnDemand]: 93/128 looper letters, 48 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2024-02-07 14:48:27,339 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 230 flow [2024-02-07 14:48:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:48:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:48:27,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 117 transitions. [2024-02-07 14:48:27,350 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45703125 [2024-02-07 14:48:27,351 INFO L175 Difference]: Start difference. First operand has 136 places, 124 transitions, 260 flow. Second operand 2 states and 117 transitions. [2024-02-07 14:48:27,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 230 flow [2024-02-07 14:48:27,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 226 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:48:27,366 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 130 flow [2024-02-07 14:48:27,368 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 14:48:27,371 INFO L281 CegarLoopForPetriNet]: 136 programPoint places, -65 predicate places. [2024-02-07 14:48:27,371 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 130 flow [2024-02-07 14:48:27,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:27,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:27,371 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:48:27,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:48:27,372 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:48:27,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:27,373 INFO L85 PathProgramCache]: Analyzing trace with hash -349462161, now seen corresponding path program 1 times [2024-02-07 14:48:27,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:27,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387721684] [2024-02-07 14:48:27,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:27,440 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 14:48:27,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:27,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387721684] [2024-02-07 14:48:27,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387721684] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:27,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:27,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:27,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057335275] [2024-02-07 14:48:27,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:27,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:27,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:27,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:27,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:27,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 128 [2024-02-07 14:48:27,444 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:27,444 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:27,444 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 128 [2024-02-07 14:48:27,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:36,270 INFO L124 PetriNetUnfolderBase]: 85737/114701 cut-off events. [2024-02-07 14:48:36,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:36,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227995 conditions, 114701 events. 85737/114701 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5706. Compared 818121 event pairs, 25289 based on Foata normal form. 0/68903 useless extension candidates. Maximal degree in co-relation 227992. Up to 91122 conditions per place. [2024-02-07 14:48:37,202 INFO L140 encePairwiseOnDemand]: 120/128 looper letters, 83 selfloop transitions, 4 changer transitions 0/100 dead transitions. [2024-02-07 14:48:37,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 100 transitions, 388 flow [2024-02-07 14:48:37,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:48:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:48:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-02-07 14:48:37,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3697916666666667 [2024-02-07 14:48:37,204 INFO L175 Difference]: Start difference. First operand has 71 places, 61 transitions, 130 flow. Second operand 3 states and 142 transitions. [2024-02-07 14:48:37,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 100 transitions, 388 flow [2024-02-07 14:48:37,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 100 transitions, 388 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:48:37,207 INFO L231 Difference]: Finished difference. Result has 74 places, 64 transitions, 162 flow [2024-02-07 14:48:37,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=162, PETRI_PLACES=74, PETRI_TRANSITIONS=64} [2024-02-07 14:48:37,208 INFO L281 CegarLoopForPetriNet]: 136 programPoint places, -62 predicate places. [2024-02-07 14:48:37,208 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 64 transitions, 162 flow [2024-02-07 14:48:37,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:37,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:37,209 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:48:37,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:48:37,209 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:48:37,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:37,210 INFO L85 PathProgramCache]: Analyzing trace with hash 827092380, now seen corresponding path program 1 times [2024-02-07 14:48:37,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:37,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418646853] [2024-02-07 14:48:37,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:37,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:37,412 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 14:48:37,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:37,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418646853] [2024-02-07 14:48:37,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418646853] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:37,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:37,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:37,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911109395] [2024-02-07 14:48:37,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:37,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:37,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:37,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:37,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:37,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 128 [2024-02-07 14:48:37,415 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 64 transitions, 162 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 14:48:37,415 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:37,415 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 128 [2024-02-07 14:48:37,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:44,542 INFO L124 PetriNetUnfolderBase]: 67852/91049 cut-off events. [2024-02-07 14:48:44,542 INFO L125 PetriNetUnfolderBase]: For 9568/9568 co-relation queries the response was YES. [2024-02-07 14:48:44,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 200574 conditions, 91049 events. 67852/91049 cut-off events. For 9568/9568 co-relation queries the response was YES. Maximal size of possible extension queue 4461. Compared 583746 event pairs, 13473 based on Foata normal form. 0/56940 useless extension candidates. Maximal degree in co-relation 200569. Up to 69397 conditions per place. [2024-02-07 14:48:45,093 INFO L140 encePairwiseOnDemand]: 123/128 looper letters, 85 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-02-07 14:48:45,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 102 transitions, 439 flow [2024-02-07 14:48:45,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:48:45,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:48:45,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2024-02-07 14:48:45,096 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3515625 [2024-02-07 14:48:45,096 INFO L175 Difference]: Start difference. First operand has 74 places, 64 transitions, 162 flow. Second operand 3 states and 135 transitions. [2024-02-07 14:48:45,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 102 transitions, 439 flow [2024-02-07 14:48:45,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 102 transitions, 432 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:48:45,103 INFO L231 Difference]: Finished difference. Result has 74 places, 63 transitions, 164 flow [2024-02-07 14:48:45,103 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=128, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=74, PETRI_TRANSITIONS=63} [2024-02-07 14:48:45,104 INFO L281 CegarLoopForPetriNet]: 136 programPoint places, -62 predicate places. [2024-02-07 14:48:45,104 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 63 transitions, 164 flow [2024-02-07 14:48:45,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 14:48:45,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:45,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:48:45,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:48:45,105 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 14:48:45,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 827092382, now seen corresponding path program 1 times [2024-02-07 14:48:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:45,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141151353] [2024-02-07 14:48:45,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:45,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:45,158 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 14:48:45,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:45,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141151353] [2024-02-07 14:48:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141151353] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:45,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:45,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926118603] [2024-02-07 14:48:45,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:45,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:45,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:45,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:45,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:45,161 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 128 [2024-02-07 14:48:45,161 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 63 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 14:48:45,161 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:45,161 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 128 [2024-02-07 14:48:45,162 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand