./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi000_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/rfi000_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/rfi000_tso.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/rfi000_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 14:23:45,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:23:45,717 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:23:45,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:23:45,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:23:45,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:23:45,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:23:45,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:23:45,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:23:45,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:23:45,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:23:45,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:23:45,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:23:45,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:23:45,748 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:23:45,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:23:45,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:23:45,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:23:45,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:23:45,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:23:45,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:23:45,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:23:45,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:23:45,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:23:45,751 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:23:45,751 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:23:45,751 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:23:45,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:23:45,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:23:45,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:23:45,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:23:45,753 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:23:45,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:45,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:23:45,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:23:45,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:23:45,754 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:23:45,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:23:45,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:23:45,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:23:45,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:23:45,755 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:23:45,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:23:45,755 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:23:45,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:23:45,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:23:45,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:23:45,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:23:45,977 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:23:45,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-02-07 14:23:47,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:23:47,297 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:23:47,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi000_tso.i [2024-02-07 14:23:47,325 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af5ae4a6/c2ed53569e964abf9f498ddd5bc6b9af/FLAGbfd461667 [2024-02-07 14:23:47,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8af5ae4a6/c2ed53569e964abf9f498ddd5bc6b9af [2024-02-07 14:23:47,338 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:23:47,339 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:23:47,340 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/rfi000_tso.yml/witness.yml [2024-02-07 14:23:47,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:23:47,452 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:23:47,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:47,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:23:47,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:23:47,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:47" (1/2) ... [2024-02-07 14:23:47,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626b4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:47, skipping insertion in model container [2024-02-07 14:23:47,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:23:47" (1/2) ... [2024-02-07 14:23:47,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@553e2c49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:23:47, skipping insertion in model container [2024-02-07 14:23:47,470 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:47" (2/2) ... [2024-02-07 14:23:47,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626b4a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:47, skipping insertion in model container [2024-02-07 14:23:47,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:47" (2/2) ... [2024-02-07 14:23:47,471 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:23:47,620 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:23:47,622 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:23:47,622 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:23:47,622 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] ((((0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL) && ((long long )y$r_buff0_thd2 + (long long )y$w_buff0_used >= 0LL)) && ((0LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff0_used >= 0LL) [2024-02-07 14:23:47,623 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,623 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] (((((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 2)) && (__unbuffered_p1_EBX <= 127)) && (x == 2)) && ((y == 2 && (__unbuffered_p1_EAX == 1 || (((0 <= __unbuffered_p1_EAX && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)))) || (((((((0 <= __unbuffered_p1_EAX && 0 <= y) && __unbuffered_p1_EAX <= 2) && __unbuffered_p1_EAX <= 127) && y <= 2) && y <= 127) && ((__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) || __unbuffered_p1_EAX == 2)) && ((y == 0 || y == 1) || y == 2)))) && ((__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) || __unbuffered_p1_EBX == 2) [2024-02-07 14:23:47,624 INFO L76 edCorrectnessWitness]: Location invariant before [L745-L745] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,624 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,624 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] ((((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 14:23:47,624 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] 0 <= __unbuffered_cnt [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] y$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,627 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,628 INFO L76 edCorrectnessWitness]: Location invariant before [L739-L739] y == 2 [2024-02-07 14:23:47,628 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,628 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:23:47,628 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] ((((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 14:23:47,628 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] ((((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 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] y$flush_delayed == (_Bool)0 [2024-02-07 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] 1 <= __unbuffered_cnt [2024-02-07 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] y$flush_delayed == (_Bool)0 [2024-02-07 14:23:47,629 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (((((-2LL + (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL) && ((0LL - (long long )y$r_buff0_thd2) + (long long )y$w_buff0_used >= 0LL)) && ((2LL - (long long )y$r_buff0_thd2) - (long long )y$w_buff0_used >= 0LL)) && ((long long )y$r_buff0_thd2 - (long long )y$w_buff0_used >= 0LL)) && (y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y$flush_delayed == (_Bool)0 [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] ((((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 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] 0 <= __unbuffered_cnt [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,630 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,631 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:23:47,631 INFO L76 edCorrectnessWitness]: Location invariant before [L746-L746] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,631 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:23:47,631 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,632 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:23:47,632 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,632 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:23:47,632 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] x == 2 [2024-02-07 14:23:47,632 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:23:47,633 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,633 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (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 14:23:47,633 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,633 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:23:47,633 INFO L76 edCorrectnessWitness]: Location invariant before [L742-L742] x == 1 [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] (y$r_buff0_thd1 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 14:23:47,634 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] ((((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 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] 0 <= __unbuffered_cnt [2024-02-07 14:23:47,635 INFO L76 edCorrectnessWitness]: Location invariant before [L748-L748] (y$r_buff1_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] (y$r_buff1_thd1 == (_Bool)0) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] (((0 <= y) && (y <= 2)) && (y <= 127)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:23:47,636 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] ((((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 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) || ((y$r_buff0_thd2 == (_Bool)0 && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1))) || (((y$r_buff0_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] 1 <= __unbuffered_cnt [2024-02-07 14:23:47,637 INFO L76 edCorrectnessWitness]: Location invariant before [L744-L744] (y$r_buff1_thd1 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:23:47,638 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 14:23:47,638 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:23:47,638 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] ((((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 14:23:47,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:23:47,823 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/rfi000_tso.i[944,957] [2024-02-07 14:23:48,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:48,037 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:23:48,081 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/rfi000_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 Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:23:48,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:23:48,243 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:23:48,247 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:23:48 WrapperNode [2024-02-07 14:23:48,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:23:48,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:48,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:23:48,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:23:48,254 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,282 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,321 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 240 [2024-02-07 14:23:48,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:23:48,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:23:48,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:23:48,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:23:48,331 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,332 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,335 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,352 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-07 14:23:48,352 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,352 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,365 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,367 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,369 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,371 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:23:48,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:23:48,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:23:48,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:23:48,376 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 02:23:48" (1/1) ... [2024-02-07 14:23:48,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:23:48,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:23:48,397 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 14:23:48,414 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 14:23:48,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:23:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:23:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:23:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:23:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:23:48,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:23:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:23:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:23:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:23:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:23:48,457 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:23:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:23:48,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:23:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:23:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:23:48,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:23:48,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:23:48,459 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 14:23:48,581 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:23:48,583 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:23:49,123 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:23:49,124 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:23:49,645 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:23:49,646 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:23:49,647 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:49 BoogieIcfgContainer [2024-02-07 14:23:49,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:23:49,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:23:49,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:23:49,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:23:49,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:23:47" (1/4) ... [2024-02-07 14:23:49,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1810f1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:23:49, skipping insertion in model container [2024-02-07 14:23:49,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:23:47" (2/4) ... [2024-02-07 14:23:49,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1810f1ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:49, skipping insertion in model container [2024-02-07 14:23:49,654 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 02:23:48" (3/4) ... [2024-02-07 14:23:49,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1810f1ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:23:49, skipping insertion in model container [2024-02-07 14:23:49,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:23:49" (4/4) ... [2024-02-07 14:23:49,655 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-02-07 14:23:49,670 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:23:49,670 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 83 error locations. [2024-02-07 14:23:49,670 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:23:49,766 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:23:49,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 115 transitions, 238 flow [2024-02-07 14:23:49,827 INFO L124 PetriNetUnfolderBase]: 1/113 cut-off events. [2024-02-07 14:23:49,827 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:49,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 113 events. 1/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 631 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 111. Up to 2 conditions per place. [2024-02-07 14:23:49,832 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 115 transitions, 238 flow [2024-02-07 14:23:49,835 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 113 transitions, 232 flow [2024-02-07 14:23:49,842 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:23:49,876 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;@3334450c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:23:49,876 INFO L358 AbstractCegarLoop]: Starting to check reachability of 142 error locations. [2024-02-07 14:23:49,878 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:23:49,879 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:23:49,879 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:23:49,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:49,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:23:49,879 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 139 more)] === [2024-02-07 14:23:49,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:49,883 INFO L85 PathProgramCache]: Analyzing trace with hash 28469, now seen corresponding path program 1 times [2024-02-07 14:23:49,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:49,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885962716] [2024-02-07 14:23:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:23:50,267 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 14:23:50,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:23:50,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885962716] [2024-02-07 14:23:50,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885962716] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:23:50,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:23:50,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:23:50,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501513868] [2024-02-07 14:23:50,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:23:50,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:23:50,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:23:50,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:23:50,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:23:50,315 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 115 [2024-02-07 14:23:50,317 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 14:23:50,317 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:23:50,317 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 115 [2024-02-07 14:23:50,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:23:50,595 INFO L124 PetriNetUnfolderBase]: 335/704 cut-off events. [2024-02-07 14:23:50,595 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 14:23:50,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1352 conditions, 704 events. 335/704 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3655 event pairs, 203 based on Foata normal form. 10/431 useless extension candidates. Maximal degree in co-relation 1340. Up to 368 conditions per place. [2024-02-07 14:23:50,604 INFO L140 encePairwiseOnDemand]: 78/115 looper letters, 42 selfloop transitions, 2 changer transitions 0/53 dead transitions. [2024-02-07 14:23:50,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 53 transitions, 200 flow [2024-02-07 14:23:50,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:23:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:23:50,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2024-02-07 14:23:50,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3507246376811594 [2024-02-07 14:23:50,616 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 232 flow. Second operand 3 states and 121 transitions. [2024-02-07 14:23:50,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 53 transitions, 200 flow [2024-02-07 14:23:50,619 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 53 transitions, 198 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:23:50,622 INFO L231 Difference]: Finished difference. Result has 51 places, 43 transitions, 104 flow [2024-02-07 14:23:50,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=51, PETRI_TRANSITIONS=43} [2024-02-07 14:23:50,626 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -68 predicate places. [2024-02-07 14:23:50,627 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 43 transitions, 104 flow [2024-02-07 14:23:50,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 14:23:50,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:23:50,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:23:50,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:23:50,627 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 139 more)] === [2024-02-07 14:23:50,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:23:50,628 INFO L85 PathProgramCache]: Analyzing trace with hash 3075085, now seen corresponding path program 1 times [2024-02-07 14:23:50,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:23:50,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127657001] [2024-02-07 14:23:50,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:23:50,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:23:50,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:50,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:23:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:23:50,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:23:50,689 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:23:50,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 142 remaining) [2024-02-07 14:23:50,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 142 remaining) [2024-02-07 14:23:50,691 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 142 remaining) [2024-02-07 14:23:50,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 142 remaining) [2024-02-07 14:23:50,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 142 remaining) [2024-02-07 14:23:50,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 142 remaining) [2024-02-07 14:23:50,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 142 remaining) [2024-02-07 14:23:50,692 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 142 remaining) [2024-02-07 14:23:50,693 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONERROR_FUNCTION (123 of 142 remaining) [2024-02-07 14:23:50,694 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 142 remaining) [2024-02-07 14:23:50,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 142 remaining) [2024-02-07 14:23:50,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 142 remaining) [2024-02-07 14:23:50,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 142 remaining) [2024-02-07 14:23:50,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 142 remaining) [2024-02-07 14:23:50,695 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 142 remaining) [2024-02-07 14:23:50,696 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 142 remaining) [2024-02-07 14:23:50,697 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 142 remaining) [2024-02-07 14:23:50,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 142 remaining) [2024-02-07 14:23:50,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 142 remaining) [2024-02-07 14:23:50,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 142 remaining) [2024-02-07 14:23:50,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 142 remaining) [2024-02-07 14:23:50,698 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 142 remaining) [2024-02-07 14:23:50,699 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 142 remaining) [2024-02-07 14:23:50,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 142 remaining) [2024-02-07 14:23:50,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 142 remaining) [2024-02-07 14:23:50,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 142 remaining) [2024-02-07 14:23:50,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 142 remaining) [2024-02-07 14:23:50,700 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 142 remaining) [2024-02-07 14:23:50,701 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 142 remaining) [2024-02-07 14:23:50,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 142 remaining) [2024-02-07 14:23:50,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 142 remaining) [2024-02-07 14:23:50,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 142 remaining) [2024-02-07 14:23:50,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 142 remaining) [2024-02-07 14:23:50,702 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 142 remaining) [2024-02-07 14:23:50,703 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 142 remaining) [2024-02-07 14:23:50,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 142 remaining) [2024-02-07 14:23:50,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 142 remaining) [2024-02-07 14:23:50,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 142 remaining) [2024-02-07 14:23:50,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 142 remaining) [2024-02-07 14:23:50,704 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 142 remaining) [2024-02-07 14:23:50,705 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 142 remaining) [2024-02-07 14:23:50,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 142 remaining) [2024-02-07 14:23:50,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 142 remaining) [2024-02-07 14:23:50,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (58 of 142 remaining) [2024-02-07 14:23:50,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 142 remaining) [2024-02-07 14:23:50,706 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 142 remaining) [2024-02-07 14:23:50,707 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 142 remaining) [2024-02-07 14:23:50,708 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONERROR_FUNCTION (39 of 142 remaining) [2024-02-07 14:23:50,709 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 142 remaining) [2024-02-07 14:23:50,710 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 142 remaining) [2024-02-07 14:23:50,711 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 142 remaining) [2024-02-07 14:23:50,712 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err26ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err27ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err28ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err29ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err30ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err31ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 142 remaining) [2024-02-07 14:23:50,713 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err32ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err33ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err34ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err35ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err36ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err37ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 142 remaining) [2024-02-07 14:23:50,714 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err38ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err39ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err40ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err41ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err42ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err43ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err44ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 142 remaining) [2024-02-07 14:23:50,715 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err45ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 142 remaining) [2024-02-07 14:23:50,716 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err46ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 142 remaining) [2024-02-07 14:23:50,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:23:50,717 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:23:50,723 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:23:50,724 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:23:50,755 INFO L503 ceAbstractionStarter]: Automizer considered 81 witness invariants [2024-02-07 14:23:50,755 INFO L504 ceAbstractionStarter]: WitnessConsidered=81 [2024-02-07 14:23:50,755 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:23:50 BasicIcfg [2024-02-07 14:23:50,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:23:50,756 INFO L158 Benchmark]: Toolchain (without parser) took 3304.58ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 115.1MB in the beginning and 59.7MB in the end (delta: 55.4MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,756 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:23:50,756 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:23:50,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 794.96ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 108.3MB in the end (delta: 6.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,757 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.65ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 103.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,757 INFO L158 Benchmark]: Boogie Preprocessor took 52.98ms. Allocated memory is still 153.1MB. Free memory was 103.1MB in the beginning and 97.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,757 INFO L158 Benchmark]: RCFGBuilder took 1271.17ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 148.9MB in the end (delta: -51.9MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,758 INFO L158 Benchmark]: TraceAbstraction took 1106.84ms. Allocated memory is still 199.2MB. Free memory was 147.9MB in the beginning and 59.7MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. [2024-02-07 14:23:50,759 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 122.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 794.96ms. Allocated memory is still 153.1MB. Free memory was 114.4MB in the beginning and 108.3MB in the end (delta: 6.1MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.65ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 103.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.98ms. Allocated memory is still 153.1MB. Free memory was 103.1MB in the beginning and 97.0MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1271.17ms. Allocated memory was 153.1MB in the beginning and 199.2MB in the end (delta: 46.1MB). Free memory was 97.0MB in the beginning and 148.9MB in the end (delta: -51.9MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1106.84ms. Allocated memory is still 199.2MB. Free memory was 147.9MB in the beginning and 59.7MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 744]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L826] 0 pthread_t t1597; VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1597={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L827] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[y$r_buff0_thd2]],CastExpression[ACSLType[long long],IdentifierExpression[y$w_buff0_used]]],IntegerLiteral[0LL]]]]] [L827] FCALL, FORK 0 pthread_create(&t1597, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1597={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L738] 1 y = 2 [L739] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L741] 1 x = 1 [L742] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[1]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L744] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$r_buff1_thd1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$r_buff0_thd1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 739]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 746]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 747]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 749]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 751]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 752]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 764]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 190 locations, 142 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:23:50,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE