./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix024_power.opt_pso.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix024_power.opt_pso.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:26:09,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:26:09,465 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:26:09,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:26:09,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:26:09,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:26:09,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:26:09,498 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:26:09,498 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:26:09,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:26:09,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:26:09,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:26:09,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:26:09,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:26:09,504 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:26:09,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:26:09,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:26:09,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:26:09,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:26:09,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:26:09,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:26:09,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:26:09,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:26:09,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:26:09,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:26:09,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:26:09,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:26:09,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:26:09,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:26:09,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:26:09,509 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:26:09,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:26:09,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:09,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:26:09,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:26:09,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:26:09,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:26:09,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:26:09,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:26:09,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:26:09,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:26:09,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:26:09,512 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:26:09,512 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:26:09,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:26:09,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:26:09,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:26:09,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:26:09,746 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:26:09,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2024-02-07 19:26:10,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:26:11,138 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:26:11,139 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2024-02-07 19:26:11,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6abb85beb/33bbb2474ecd410f99e45a4cec283f6c/FLAG24b56ccf6 [2024-02-07 19:26:11,161 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6abb85beb/33bbb2474ecd410f99e45a4cec283f6c [2024-02-07 19:26:11,163 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:26:11,164 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:26:11,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix024_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-02-07 19:26:11,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:26:11,326 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:26:11,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:11,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:26:11,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:26:11,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:11" (1/2) ... [2024-02-07 19:26:11,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28726b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:11, skipping insertion in model container [2024-02-07 19:26:11,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:11" (1/2) ... [2024-02-07 19:26:11,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52bfcd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:11, skipping insertion in model container [2024-02-07 19:26:11,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:11" (2/2) ... [2024-02-07 19:26:11,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28726b9f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:11, skipping insertion in model container [2024-02-07 19:26:11,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:11" (2/2) ... [2024-02-07 19:26:11,337 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:26:11,478 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:26:11,480 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] 1 <= __unbuffered_cnt [2024-02-07 19:26:11,480 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] z == 2 [2024-02-07 19:26:11,480 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,481 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:26:11,481 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 0 <= __unbuffered_cnt [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$r_buff0_thd3 == (_Bool)0) && (y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1) [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd1 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (z == 2)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p0_EAX == 1 && ((__unbuffered_p0_EBX == 0 && (__unbuffered_p2_EAX == 2 || (((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || ((((((0 <= __unbuffered_p0_EBX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EBX <= 1) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2)))) || (((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p0_EBX) && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p0_EBX <= 1) && __unbuffered_p2_EAX <= 2) && __unbuffered_p2_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2))) [2024-02-07 19:26:11,482 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,483 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:26:11,484 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,484 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (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 19:26:11,484 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] a == 1 [2024-02-07 19:26:11,484 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (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 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] 0 <= __unbuffered_cnt [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] 0 <= __unbuffered_cnt [2024-02-07 19:26:11,485 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] y$r_buff1_thd2 == (_Bool)0 || y$r_buff1_thd2 == (_Bool)1 [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] x == 1 [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,486 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 1 <= __unbuffered_cnt [2024-02-07 19:26:11,487 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:11,487 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:26:11,488 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:26:11,488 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,488 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] y$flush_delayed == (_Bool)0 [2024-02-07 19:26:11,488 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (y$r_buff1_thd3 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,489 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (y$r_buff0_thd3 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,489 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 19:26:11,489 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:26:11,489 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,489 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 1 <= __unbuffered_cnt [2024-02-07 19:26:11,490 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:11,490 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:26:11,490 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,490 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] ((((y$r_buff1_thd1 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd1 == (_Bool)0) || (((y$r_buff0_thd1 == (_Bool)0 && y$r_buff1_thd1 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd1 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:11,490 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:26:11,491 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:11,491 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] y$r_buff0_thd2 == (_Bool)1 [2024-02-07 19:26:11,491 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (y$r_buff1_thd3 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:11,492 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] z == 1 [2024-02-07 19:26:11,492 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (y$r_buff1_thd1 == (_Bool)0) && (y$r_buff0_thd2 == (_Bool)0 || y$r_buff0_thd2 == (_Bool)1) [2024-02-07 19:26:11,492 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:11,492 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$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$r_buff0_thd2 == (_Bool)1))) [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] 0 <= __unbuffered_cnt [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] y$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:26:11,493 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 2)) && (__unbuffered_p2_EAX <= 127)) && ((__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) || __unbuffered_p2_EAX == 2) [2024-02-07 19:26:11,535 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:26:11,686 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/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2024-02-07 19:26:11,794 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:11,808 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:26:11,837 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/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:26:11,960 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:12,043 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:26:12,045 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12 WrapperNode [2024-02-07 19:26:12,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:12,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:12,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:26:12,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:26:12,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,186 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2024-02-07 19:26:12,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:12,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:26:12,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:26:12,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:26:12,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,241 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:26:12,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,262 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:26:12,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:26:12,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:26:12,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:26:12,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (1/1) ... [2024-02-07 19:26:12,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:12,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:26:12,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:26:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:26:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:26:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:26:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:26:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:26:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:26:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:26:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:26:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:26:12,408 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:26:12,538 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:26:12,540 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:26:12,978 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:26:12,978 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:26:13,360 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:26:13,360 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:26:13,361 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:13 BoogieIcfgContainer [2024-02-07 19:26:13,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:26:13,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:26:13,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:26:13,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:26:13,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:26:11" (1/4) ... [2024-02-07 19:26:13,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@696b8c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:13, skipping insertion in model container [2024-02-07 19:26:13,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:11" (2/4) ... [2024-02-07 19:26:13,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@696b8c14 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:13, skipping insertion in model container [2024-02-07 19:26:13,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:12" (3/4) ... [2024-02-07 19:26:13,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@696b8c14 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:13, skipping insertion in model container [2024-02-07 19:26:13,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:13" (4/4) ... [2024-02-07 19:26:13,371 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.opt_pso.opt_rmo.opt.i [2024-02-07 19:26:13,391 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:26:13,391 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-02-07 19:26:13,391 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:26:13,487 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:26:13,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 109 transitions, 230 flow [2024-02-07 19:26:13,573 INFO L124 PetriNetUnfolderBase]: 1/106 cut-off events. [2024-02-07 19:26:13,574 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:13,579 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 106 events. 1/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 569 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2024-02-07 19:26:13,579 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 109 transitions, 230 flow [2024-02-07 19:26:13,584 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 106 transitions, 221 flow [2024-02-07 19:26:13,597 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:26:13,604 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15be601e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:26:13,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 125 error locations. [2024-02-07 19:26:13,607 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:26:13,607 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:26:13,607 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:13,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:13,608 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:26:13,608 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:26:13,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:13,614 INFO L85 PathProgramCache]: Analyzing trace with hash 22318880, now seen corresponding path program 1 times [2024-02-07 19:26:13,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:13,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126254343] [2024-02-07 19:26:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:13,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:13,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:13,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126254343] [2024-02-07 19:26:13,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126254343] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:13,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:13,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:13,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775169665] [2024-02-07 19:26:13,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:13,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:26:13,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:13,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:26:13,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:26:13,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 109 [2024-02-07 19:26:13,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 106 transitions, 221 flow. Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:13,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:13,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 109 [2024-02-07 19:26:13,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:18,750 INFO L124 PetriNetUnfolderBase]: 32984/50230 cut-off events. [2024-02-07 19:26:18,750 INFO L125 PetriNetUnfolderBase]: For 73/73 co-relation queries the response was YES. [2024-02-07 19:26:18,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96257 conditions, 50230 events. 32984/50230 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 3150. Compared 412116 event pairs, 32984 based on Foata normal form. 750/23908 useless extension candidates. Maximal degree in co-relation 96246. Up to 45841 conditions per place. [2024-02-07 19:26:19,096 INFO L140 encePairwiseOnDemand]: 75/109 looper letters, 48 selfloop transitions, 0 changer transitions 0/59 dead transitions. [2024-02-07 19:26:19,096 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 59 transitions, 223 flow [2024-02-07 19:26:19,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:26:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:26:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 110 transitions. [2024-02-07 19:26:19,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5045871559633027 [2024-02-07 19:26:19,107 INFO L175 Difference]: Start difference. First operand has 115 places, 106 transitions, 221 flow. Second operand 2 states and 110 transitions. [2024-02-07 19:26:19,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 59 transitions, 223 flow [2024-02-07 19:26:19,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 59 transitions, 220 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:26:19,112 INFO L231 Difference]: Finished difference. Result has 67 places, 59 transitions, 124 flow [2024-02-07 19:26:19,113 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=124, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2024-02-07 19:26:19,116 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -48 predicate places. [2024-02-07 19:26:19,116 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 124 flow [2024-02-07 19:26:19,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:19,116 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:19,117 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:26:19,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:26:19,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:26:19,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash -26367070, now seen corresponding path program 1 times [2024-02-07 19:26:19,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:19,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773356772] [2024-02-07 19:26:19,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:19,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:19,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:19,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773356772] [2024-02-07 19:26:19,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773356772] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:19,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:19,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:26:19,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664103629] [2024-02-07 19:26:19,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:19,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:19,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:19,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:19,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:19,191 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 109 [2024-02-07 19:26:19,192 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:19,192 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:19,192 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 109 [2024-02-07 19:26:19,192 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:22,564 INFO L124 PetriNetUnfolderBase]: 30728/44177 cut-off events. [2024-02-07 19:26:22,564 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:22,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87077 conditions, 44177 events. 30728/44177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2776. Compared 351009 event pairs, 3656 based on Foata normal form. 0/20686 useless extension candidates. Maximal degree in co-relation 87074. Up to 37356 conditions per place. [2024-02-07 19:26:22,851 INFO L140 encePairwiseOnDemand]: 107/109 looper letters, 78 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2024-02-07 19:26:22,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 90 transitions, 348 flow [2024-02-07 19:26:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:26:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:26:22,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-02-07 19:26:22,854 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3730886850152905 [2024-02-07 19:26:22,855 INFO L175 Difference]: Start difference. First operand has 67 places, 59 transitions, 124 flow. Second operand 3 states and 122 transitions. [2024-02-07 19:26:22,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 90 transitions, 348 flow [2024-02-07 19:26:22,856 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 90 transitions, 348 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:26:22,857 INFO L231 Difference]: Finished difference. Result has 68 places, 58 transitions, 124 flow [2024-02-07 19:26:22,858 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=68, PETRI_TRANSITIONS=58} [2024-02-07 19:26:22,858 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -47 predicate places. [2024-02-07 19:26:22,858 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 58 transitions, 124 flow [2024-02-07 19:26:22,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:22,859 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:22,859 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:26:22,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:26:22,859 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:26:22,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:22,860 INFO L85 PathProgramCache]: Analyzing trace with hash -26797823, now seen corresponding path program 1 times [2024-02-07 19:26:22,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:22,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528490551] [2024-02-07 19:26:22,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:22,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:22,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:22,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528490551] [2024-02-07 19:26:22,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528490551] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:22,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:22,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:22,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127275132] [2024-02-07 19:26:22,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:22,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:22,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:22,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:22,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:22,975 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 109 [2024-02-07 19:26:22,976 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 58 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:22,976 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:22,976 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 109 [2024-02-07 19:26:22,976 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:26,025 INFO L124 PetriNetUnfolderBase]: 24109/34537 cut-off events. [2024-02-07 19:26:26,025 INFO L125 PetriNetUnfolderBase]: For 685/685 co-relation queries the response was YES. [2024-02-07 19:26:26,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69083 conditions, 34537 events. 24109/34537 cut-off events. For 685/685 co-relation queries the response was YES. Maximal size of possible extension queue 2147. Compared 231669 event pairs, 4252 based on Foata normal form. 0/16323 useless extension candidates. Maximal degree in co-relation 69079. Up to 27040 conditions per place. [2024-02-07 19:26:26,201 INFO L140 encePairwiseOnDemand]: 104/109 looper letters, 81 selfloop transitions, 4 changer transitions 0/96 dead transitions. [2024-02-07 19:26:26,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 96 transitions, 374 flow [2024-02-07 19:26:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:26:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:26:26,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 128 transitions. [2024-02-07 19:26:26,205 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39143730886850153 [2024-02-07 19:26:26,205 INFO L175 Difference]: Start difference. First operand has 68 places, 58 transitions, 124 flow. Second operand 3 states and 128 transitions. [2024-02-07 19:26:26,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 96 transitions, 374 flow [2024-02-07 19:26:26,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 96 transitions, 372 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:26:26,208 INFO L231 Difference]: Finished difference. Result has 68 places, 57 transitions, 129 flow [2024-02-07 19:26:26,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=68, PETRI_TRANSITIONS=57} [2024-02-07 19:26:26,209 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -47 predicate places. [2024-02-07 19:26:26,209 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 57 transitions, 129 flow [2024-02-07 19:26:26,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:26,210 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:26,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:26:26,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:26:26,210 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:26:26,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash -26797821, now seen corresponding path program 1 times [2024-02-07 19:26:26,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:26,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377143616] [2024-02-07 19:26:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:26,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:26,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377143616] [2024-02-07 19:26:26,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377143616] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:26,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:26,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:26,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069014726] [2024-02-07 19:26:26,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:26,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:26,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:26,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:26,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:26,323 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 109 [2024-02-07 19:26:26,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 57 transitions, 129 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:26,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:26,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 109 [2024-02-07 19:26:26,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:27,118 INFO L124 PetriNetUnfolderBase]: 6181/10150 cut-off events. [2024-02-07 19:26:27,118 INFO L125 PetriNetUnfolderBase]: For 754/754 co-relation queries the response was YES. [2024-02-07 19:26:27,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20578 conditions, 10150 events. 6181/10150 cut-off events. For 754/754 co-relation queries the response was YES. Maximal size of possible extension queue 497. Compared 70132 event pairs, 1815 based on Foata normal form. 0/5845 useless extension candidates. Maximal degree in co-relation 20574. Up to 6889 conditions per place. [2024-02-07 19:26:27,153 INFO L140 encePairwiseOnDemand]: 100/109 looper letters, 75 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2024-02-07 19:26:27,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 89 transitions, 348 flow [2024-02-07 19:26:27,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:26:27,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:26:27,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2024-02-07 19:26:27,154 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.38837920489296635 [2024-02-07 19:26:27,155 INFO L175 Difference]: Start difference. First operand has 68 places, 57 transitions, 129 flow. Second operand 3 states and 127 transitions. [2024-02-07 19:26:27,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 89 transitions, 348 flow [2024-02-07 19:26:27,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 89 transitions, 344 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:26:27,156 INFO L231 Difference]: Finished difference. Result has 67 places, 55 transitions, 134 flow [2024-02-07 19:26:27,157 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=67, PETRI_TRANSITIONS=55} [2024-02-07 19:26:27,157 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -48 predicate places. [2024-02-07 19:26:27,157 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 55 transitions, 134 flow [2024-02-07 19:26:27,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:27,158 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:27,158 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:26:27,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 19:26:27,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 122 more)] === [2024-02-07 19:26:27,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:27,159 INFO L85 PathProgramCache]: Analyzing trace with hash -26797819, now seen corresponding path program 1 times [2024-02-07 19:26:27,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:27,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018554771] [2024-02-07 19:26:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:26:27,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:26:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:26:27,224 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:26:27,224 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:26:27,225 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 125 remaining) [2024-02-07 19:26:27,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 125 remaining) [2024-02-07 19:26:27,227 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 125 remaining) [2024-02-07 19:26:27,228 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 125 remaining) [2024-02-07 19:26:27,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 125 remaining) [2024-02-07 19:26:27,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 125 remaining) [2024-02-07 19:26:27,229 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 125 remaining) [2024-02-07 19:26:27,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 125 remaining) [2024-02-07 19:26:27,230 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 125 remaining) [2024-02-07 19:26:27,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 125 remaining) [2024-02-07 19:26:27,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 125 remaining) [2024-02-07 19:26:27,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 125 remaining) [2024-02-07 19:26:27,232 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (98 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 125 remaining) [2024-02-07 19:26:27,234 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 125 remaining) [2024-02-07 19:26:27,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 125 remaining) [2024-02-07 19:26:27,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 125 remaining) [2024-02-07 19:26:27,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 125 remaining) [2024-02-07 19:26:27,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 125 remaining) [2024-02-07 19:26:27,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 125 remaining) [2024-02-07 19:26:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 125 remaining) [2024-02-07 19:26:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 125 remaining) [2024-02-07 19:26:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 125 remaining) [2024-02-07 19:26:27,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 125 remaining) [2024-02-07 19:26:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 125 remaining) [2024-02-07 19:26:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 125 remaining) [2024-02-07 19:26:27,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 125 remaining) [2024-02-07 19:26:27,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 125 remaining) [2024-02-07 19:26:27,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (56 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (54 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (53 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 125 remaining) [2024-02-07 19:26:27,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 125 remaining) [2024-02-07 19:26:27,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 125 remaining) [2024-02-07 19:26:27,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 125 remaining) [2024-02-07 19:26:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 125 remaining) [2024-02-07 19:26:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 125 remaining) [2024-02-07 19:26:27,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 125 remaining) [2024-02-07 19:26:27,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (28 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 125 remaining) [2024-02-07 19:26:27,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 125 remaining) [2024-02-07 19:26:27,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 125 remaining) [2024-02-07 19:26:27,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 125 remaining) [2024-02-07 19:26:27,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 125 remaining) [2024-02-07 19:26:27,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 125 remaining) [2024-02-07 19:26:27,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 125 remaining) [2024-02-07 19:26:27,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 125 remaining) [2024-02-07 19:26:27,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 125 remaining) [2024-02-07 19:26:27,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 125 remaining) [2024-02-07 19:26:27,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 125 remaining) [2024-02-07 19:26:27,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 125 remaining) [2024-02-07 19:26:27,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 125 remaining) [2024-02-07 19:26:27,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 125 remaining) [2024-02-07 19:26:27,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 125 remaining) [2024-02-07 19:26:27,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 19:26:27,259 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 19:26:27,265 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:26:27,266 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:26:27,297 INFO L503 ceAbstractionStarter]: Automizer considered 66 witness invariants [2024-02-07 19:26:27,297 INFO L504 ceAbstractionStarter]: WitnessConsidered=66 [2024-02-07 19:26:27,298 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:26:27 BasicIcfg [2024-02-07 19:26:27,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:26:27,298 INFO L158 Benchmark]: Toolchain (without parser) took 15972.81ms. Allocated memory was 159.4MB in the beginning and 8.6GB in the end (delta: 8.4GB). Free memory was 93.8MB in the beginning and 7.9GB in the end (delta: -7.8GB). Peak memory consumption was 629.2MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,299 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:26:27,299 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:26:27,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.99ms. Allocated memory is still 159.4MB. Free memory was 93.3MB in the beginning and 126.5MB in the end (delta: -33.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.30ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 122.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,300 INFO L158 Benchmark]: Boogie Preprocessor took 97.59ms. Allocated memory is still 159.4MB. Free memory was 122.6MB in the beginning and 119.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,300 INFO L158 Benchmark]: RCFGBuilder took 1069.44ms. Allocated memory was 159.4MB in the beginning and 245.4MB in the end (delta: 86.0MB). Free memory was 119.2MB in the beginning and 205.2MB in the end (delta: -86.0MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,301 INFO L158 Benchmark]: TraceAbstraction took 13934.03ms. Allocated memory was 245.4MB in the beginning and 8.6GB in the end (delta: 8.3GB). Free memory was 205.2MB in the beginning and 7.9GB in the end (delta: -7.7GB). Peak memory consumption was 651.9MB. Max. memory is 16.1GB. [2024-02-07 19:26:27,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 100.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.99ms. Allocated memory is still 159.4MB. Free memory was 93.3MB in the beginning and 126.5MB in the end (delta: -33.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.30ms. Allocated memory is still 159.4MB. Free memory was 126.5MB in the beginning and 122.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.59ms. Allocated memory is still 159.4MB. Free memory was 122.6MB in the beginning and 119.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1069.44ms. Allocated memory was 159.4MB in the beginning and 245.4MB in the end (delta: 86.0MB). Free memory was 119.2MB in the beginning and 205.2MB in the end (delta: -86.0MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13934.03ms. Allocated memory was 245.4MB in the beginning and 8.6GB in the end (delta: 8.3GB). Free memory was 205.2MB in the beginning and 7.9GB in the end (delta: -7.7GB). Peak memory consumption was 651.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 788]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p0_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool main$tmp_guard0; [L722] 0 _Bool main$tmp_guard1; [L724] 0 int x = 0; [L726] 0 int y = 0; [L727] 0 _Bool y$flush_delayed; [L728] 0 int y$mem_tmp; [L729] 0 _Bool y$r_buff0_thd0; [L730] 0 _Bool y$r_buff0_thd1; [L731] 0 _Bool y$r_buff0_thd2; [L732] 0 _Bool y$r_buff0_thd3; [L733] 0 _Bool y$r_buff1_thd0; [L734] 0 _Bool y$r_buff1_thd1; [L735] 0 _Bool y$r_buff1_thd2; [L736] 0 _Bool y$r_buff1_thd3; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L844] 0 pthread_t t636; [L845] FCALL, FORK 0 pthread_create(&t636, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t636={5:0}, 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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L846] 0 pthread_t t637; [L847] FCALL, FORK 0 pthread_create(&t637, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t636={5:0}, t637={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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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, z=0] [L784] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[y$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]]]]]] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[y$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1],IntegerLiteral[1]]]]]] [L785] 2 y$w_buff0 = 1 [L786] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L787] 2 y$w_buff0_used = (_Bool)1 [L788] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[y$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$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_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] - 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: 754]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: 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: 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: 772]: 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: 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: 784]: 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: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: 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: 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: 797]: 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: 800]: 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: 803]: 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: 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: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: 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: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 830]: 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: 858]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 19]: 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: 845]: 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: 849]: 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: 847]: 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 7 procedures, 190 locations, 125 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: 13.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 340 IncrementalHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 0 mSDtfsCounter, 340 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 19:26:27,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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