./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix043.oepc.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix043.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix043.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix043.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:49:25,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:49:25,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:49:25,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:49:25,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:49:25,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:49:25,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:49:25,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:49:25,160 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:49:25,164 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:49:25,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:49:25,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:49:25,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:49:25,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:49:25,166 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:49:25,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:49:25,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:49:25,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:49:25,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:49:25,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:49:25,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:49:25,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:49:25,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:49:25,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:49:25,169 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:49:25,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:49:25,169 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:49:25,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:49:25,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:49:25,170 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:49:25,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:49:25,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:49:25,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:49:25,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:49:25,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:49:25,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:49:25,172 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:49:25,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:49:25,173 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:49:25,173 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:49:25,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:49:25,173 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:49:25,174 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:49:25,174 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:49:25,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:49:25,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:49:25,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:49:25,447 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:49:25,447 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:49:25,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043.oepc.i [2024-02-07 14:49:26,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:49:26,999 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:49:26,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043.oepc.i [2024-02-07 14:49:27,013 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9c84450/9d559faf73c14e53a4b6acdc64702cd0/FLAG95a805de4 [2024-02-07 14:49:27,024 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f9c84450/9d559faf73c14e53a4b6acdc64702cd0 [2024-02-07 14:49:27,026 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:49:27,027 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:49:27,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix043.oepc.yml/witness.yml [2024-02-07 14:49:27,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:49:27,185 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:49:27,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:49:27,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:49:27,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:49:27,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:27" (1/2) ... [2024-02-07 14:49:27,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3574c651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:27, skipping insertion in model container [2024-02-07 14:49:27,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:27" (1/2) ... [2024-02-07 14:49:27,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76f3ea03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:27, skipping insertion in model container [2024-02-07 14:49:27,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:27" (2/2) ... [2024-02-07 14:49:27,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3574c651 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:27, skipping insertion in model container [2024-02-07 14:49:27,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:27" (2/2) ... [2024-02-07 14:49:27,196 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:49:27,414 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:49:27,416 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (b$r_buff1_thd1 == (_Bool)0 || b$r_buff1_thd1 == (_Bool)1) && (((b$w_buff1_used == (_Bool)1 && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1)) || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) || (b$w_buff0_used == (_Bool)1 && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1))) [2024-02-07 14:49:27,416 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:49:27,416 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,417 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,417 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (b$r_buff1_thd2 == (_Bool)0 && b$w_buff1_used == (_Bool)1) || (b$r_buff0_thd2 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,417 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] (b$r_buff1_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (b$r_buff1_thd2 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd2 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((0 <= b$w_buff1) && (b$w_buff1 <= 1)) && (b$w_buff1 == 0 || b$w_buff1 == 1) [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1 [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] 0 <= __unbuffered_cnt [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] b$r_buff1_thd1 == (_Bool)0 || b$r_buff1_thd1 == (_Bool)1 [2024-02-07 14:49:27,418 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (b$w_buff1_used == (_Bool)1 && (b$r_buff1_thd1 == (_Bool)0 || b$r_buff1_thd1 == (_Bool)1)) || (b$w_buff0_used == (_Bool)1 && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1)) [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L892-L892] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] b$r_buff0_thd1 == (_Bool)1 [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (b$r_buff0_thd2 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,419 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] b$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:49:27,420 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 14:49:27,420 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (b$r_buff1_thd1 == (_Bool)0 || b$r_buff1_thd1 == (_Bool)1) && (((b$w_buff1_used == (_Bool)1 && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1)) || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) || (b$w_buff0_used == (_Bool)1 && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1))) [2024-02-07 14:49:27,420 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] (b$r_buff0_thd0 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,420 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (b$r_buff1_thd3 == (_Bool)0 && b$w_buff1_used == (_Bool)1) || (b$r_buff0_thd3 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,420 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] b$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] (b$r_buff0_thd4 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] 0 <= __unbuffered_cnt [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (b$r_buff0_thd3 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] (b$r_buff1_thd4 == (_Bool)0 && b$w_buff1_used == (_Bool)1) || (b$r_buff0_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (b$w_buff0_used == (_Bool)1) && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1) [2024-02-07 14:49:27,421 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] 0 <= __unbuffered_cnt [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] (b$r_buff1_thd0 == (_Bool)0) && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1) [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] (b$w_buff0 == 1) && (b$w_buff0_used == (_Bool)0 || b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] (b$r_buff0_thd0 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:49:27,422 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (b$w_buff0_used == (_Bool)1) && (b$r_buff0_thd1 == (_Bool)0 || b$r_buff0_thd1 == (_Bool)1) [2024-02-07 14:49:27,423 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] (b$r_buff0_thd4 == (_Bool)0) && (b$r_buff1_thd3 == (_Bool)0) [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] 1 <= __unbuffered_cnt [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 1 <= __unbuffered_cnt [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L893-L893] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (b$r_buff1_thd3 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd3 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,424 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] (b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)1) [2024-02-07 14:49:27,425 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] (b$r_buff1_thd0 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd0 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,425 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] a == 1 [2024-02-07 14:49:27,425 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] 1 <= __unbuffered_cnt [2024-02-07 14:49:27,425 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (((0 <= b) && (b <= 1)) && (b$r_buff1_thd4 == (_Bool)0)) && (b == 0 || b == 1) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] ((0 <= b$w_buff0) && (b$w_buff0 <= 1)) && (b$w_buff0 == 0 || b$w_buff0 == 1) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] (b$r_buff1_thd0 == (_Bool)0 && b$w_buff1_used == (_Bool)1) || (b$r_buff0_thd0 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,426 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] (b$r_buff0_thd2 == (_Bool)0) && (b$r_buff1_thd1 == (_Bool)0 || b$r_buff1_thd1 == (_Bool)1) [2024-02-07 14:49:27,427 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (((0 <= b) && (b <= 1)) && (b == 0 || b == 1)) && (b$flush_delayed == (_Bool)0 || b$flush_delayed == (_Bool)1) [2024-02-07 14:49:27,427 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((((b$r_buff1_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) && b$w_buff1_used == (_Bool)1) || b$r_buff0_thd4 == (_Bool)0) || (((b$r_buff0_thd4 == (_Bool)0 && b$r_buff1_thd4 == (_Bool)0) && b$w_buff0_used == (_Bool)1) && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (b$r_buff0_thd2 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] z == 2 [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] (b$r_buff1_thd4 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd4 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] 0 <= __unbuffered_cnt [2024-02-07 14:49:27,428 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] b$flush_delayed == (_Bool)0 [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] b$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] b$r_buff1_thd2 == (_Bool)0 [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (b$r_buff0_thd3 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] ((((b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1) || (b$r_buff1_thd0 == (_Bool)0 && b$w_buff1_used == (_Bool)1)) || (b$r_buff1_thd0 == (_Bool)0 && (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd0 == (_Bool)0 && b$w_buff0_used == (_Bool)1)) || (b$r_buff0_thd0 == (_Bool)0 && (b$w_buff0_used == (_Bool)0 || b$w_buff0_used == (_Bool)1)) [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 0 <= __unbuffered_cnt [2024-02-07 14:49:27,429 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] 1 <= __unbuffered_cnt [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] (b$r_buff0_thd3 == (_Bool)0) && (b$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L889-L889] b$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (b$r_buff1_thd2 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd2 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] b$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] y == 1 [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] x == 1 [2024-02-07 14:49:27,430 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] (b$r_buff0_thd4 == (_Bool)0) && (b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,431 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] ((((0LL - (long long )b$w_buff0_used) + (long long )b$w_buff1_used >= 0LL) && ((long long )b$w_buff0_used + (long long )b$w_buff1_used >= 0LL)) && ((0LL - (long long )b$w_buff0_used) - (long long )b$w_buff1_used >= 0LL)) && ((long long )b$w_buff0_used - (long long )b$w_buff1_used >= 0LL) [2024-02-07 14:49:27,431 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (b$r_buff1_thd3 == (_Bool)0 && (b$w_buff1_used == (_Bool)1 || (b$w_buff1_used == (_Bool)0 || b$w_buff1_used == (_Bool)1))) || (b$r_buff0_thd3 == (_Bool)0 && b$w_buff0_used == (_Bool)1) [2024-02-07 14:49:27,431 INFO L76 edCorrectnessWitness]: Location invariant before [L891-L891] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (z == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 14:49:27,431 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] z == 1 [2024-02-07 14:49:27,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:49:27,625 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/mix043.oepc.i[945,958] [2024-02-07 14:49:27,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:49:27,816 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:49:27,854 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/mix043.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:49:28,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:49:28,044 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:49:28,044 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28 WrapperNode [2024-02-07 14:49:28,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:49:28,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:49:28,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:49:28,045 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:49:28,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,118 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2024-02-07 14:49:28,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:49:28,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:49:28,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:49:28,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:49:28,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,132 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,146 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:49:28,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,173 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,176 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:49:28,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:49:28,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:49:28,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:49:28,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (1/1) ... [2024-02-07 14:49:28,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:49:28,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:49:28,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:49:28,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:49:28,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:49:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:49:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:49:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:49:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:49:28,279 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:49:28,279 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:49:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:49:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:49:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:49:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:49:28,280 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:49:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:49:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:49:28,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:49:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:49:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:49:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:49:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:49:28,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:49:28,283 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:49:28,427 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:49:28,432 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:49:28,984 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:49:28,984 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:49:29,374 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:49:29,375 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:49:29,375 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:49:29 BoogieIcfgContainer [2024-02-07 14:49:29,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:49:29,379 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:49:29,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:49:29,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:49:29,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:49:27" (1/4) ... [2024-02-07 14:49:29,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224b69aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:49:29, skipping insertion in model container [2024-02-07 14:49:29,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:27" (2/4) ... [2024-02-07 14:49:29,383 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224b69aa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:49:29, skipping insertion in model container [2024-02-07 14:49:29,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:28" (3/4) ... [2024-02-07 14:49:29,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@224b69aa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:49:29, skipping insertion in model container [2024-02-07 14:49:29,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:49:29" (4/4) ... [2024-02-07 14:49:29,385 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.oepc.i [2024-02-07 14:49:29,399 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:49:29,400 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 85 error locations. [2024-02-07 14:49:29,400 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:49:29,488 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:49:29,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 147 places, 135 transitions, 286 flow [2024-02-07 14:49:29,554 INFO L124 PetriNetUnfolderBase]: 1/131 cut-off events. [2024-02-07 14:49:29,555 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:29,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 131 events. 1/131 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 620 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2024-02-07 14:49:29,560 INFO L82 GeneralOperation]: Start removeDead. Operand has 147 places, 135 transitions, 286 flow [2024-02-07 14:49:29,565 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 131 transitions, 274 flow [2024-02-07 14:49:29,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:49:29,576 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;@1cd3532f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:49:29,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 159 error locations. [2024-02-07 14:49:29,578 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:49:29,578 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:49:29,578 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:29,579 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:29,579 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:49:29,579 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 156 more)] === [2024-02-07 14:49:29,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:29,583 INFO L85 PathProgramCache]: Analyzing trace with hash 26507, now seen corresponding path program 1 times [2024-02-07 14:49:29,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:29,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188188854] [2024-02-07 14:49:29,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:29,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:29,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:29,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:29,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188188854] [2024-02-07 14:49:29,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188188854] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:29,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:29,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:29,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444214837] [2024-02-07 14:49:29,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:29,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:29,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:29,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:29,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:29,832 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 135 [2024-02-07 14:49:29,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 274 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 14:49:29,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:29,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 135 [2024-02-07 14:49:29,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:40,968 INFO L124 PetriNetUnfolderBase]: 82970/121947 cut-off events. [2024-02-07 14:49:40,968 INFO L125 PetriNetUnfolderBase]: For 152/152 co-relation queries the response was YES. [2024-02-07 14:49:41,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235673 conditions, 121947 events. 82970/121947 cut-off events. For 152/152 co-relation queries the response was YES. Maximal size of possible extension queue 4598. Compared 967655 event pairs, 38361 based on Foata normal form. 1540/66438 useless extension candidates. Maximal degree in co-relation 235659. Up to 102128 conditions per place. [2024-02-07 14:49:42,000 INFO L140 encePairwiseOnDemand]: 74/135 looper letters, 87 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-02-07 14:49:42,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 399 flow [2024-02-07 14:49:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:42,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 220 transitions. [2024-02-07 14:49:42,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5432098765432098 [2024-02-07 14:49:42,014 INFO L175 Difference]: Start difference. First operand has 143 places, 131 transitions, 274 flow. Second operand 3 states and 220 transitions. [2024-02-07 14:49:42,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 399 flow [2024-02-07 14:49:42,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 100 transitions, 392 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:49:42,024 INFO L231 Difference]: Finished difference. Result has 83 places, 71 transitions, 182 flow [2024-02-07 14:49:42,025 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=182, PETRI_PLACES=83, PETRI_TRANSITIONS=71} [2024-02-07 14:49:42,028 INFO L281 CegarLoopForPetriNet]: 143 programPoint places, -60 predicate places. [2024-02-07 14:49:42,028 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 71 transitions, 182 flow [2024-02-07 14:49:42,029 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 14:49:42,030 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:42,030 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:49:42,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:49:42,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 156 more)] === [2024-02-07 14:49:42,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:42,031 INFO L85 PathProgramCache]: Analyzing trace with hash 790698470, now seen corresponding path program 1 times [2024-02-07 14:49:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:42,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759081633] [2024-02-07 14:49:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:49:42,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:42,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759081633] [2024-02-07 14:49:42,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759081633] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:42,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:42,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:42,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800737312] [2024-02-07 14:49:42,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:42,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:42,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:42,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:42,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:42,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 135 [2024-02-07 14:49:42,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 71 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:42,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:42,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 135 [2024-02-07 14:49:42,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:52,548 INFO L124 PetriNetUnfolderBase]: 78096/115528 cut-off events. [2024-02-07 14:49:52,550 INFO L125 PetriNetUnfolderBase]: For 6095/6095 co-relation queries the response was YES. [2024-02-07 14:49:52,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253502 conditions, 115528 events. 78096/115528 cut-off events. For 6095/6095 co-relation queries the response was YES. Maximal size of possible extension queue 4587. Compared 924017 event pairs, 33487 based on Foata normal form. 1491/72918 useless extension candidates. Maximal degree in co-relation 253489. Up to 102128 conditions per place. [2024-02-07 14:49:53,424 INFO L140 encePairwiseOnDemand]: 132/135 looper letters, 86 selfloop transitions, 2 changer transitions 0/99 dead transitions. [2024-02-07 14:49:53,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 99 transitions, 420 flow [2024-02-07 14:49:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:53,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 137 transitions. [2024-02-07 14:49:53,431 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33827160493827163 [2024-02-07 14:49:53,431 INFO L175 Difference]: Start difference. First operand has 83 places, 71 transitions, 182 flow. Second operand 3 states and 137 transitions. [2024-02-07 14:49:53,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 99 transitions, 420 flow [2024-02-07 14:49:53,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 99 transitions, 416 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:49:53,435 INFO L231 Difference]: Finished difference. Result has 82 places, 70 transitions, 180 flow [2024-02-07 14:49:53,436 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=135, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=82, PETRI_TRANSITIONS=70} [2024-02-07 14:49:53,436 INFO L281 CegarLoopForPetriNet]: 143 programPoint places, -61 predicate places. [2024-02-07 14:49:53,436 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 70 transitions, 180 flow [2024-02-07 14:49:53,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:53,437 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:53,437 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:49:53,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:49:53,437 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 156 more)] === [2024-02-07 14:49:53,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:53,438 INFO L85 PathProgramCache]: Analyzing trace with hash 790698474, now seen corresponding path program 1 times [2024-02-07 14:49:53,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:53,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095155526] [2024-02-07 14:49:53,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:53,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:49:53,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:49:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:49:53,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:49:53,513 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:49:53,514 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (158 of 159 remaining) [2024-02-07 14:49:53,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (157 of 159 remaining) [2024-02-07 14:49:53,518 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 159 remaining) [2024-02-07 14:49:53,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 159 remaining) [2024-02-07 14:49:53,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 159 remaining) [2024-02-07 14:49:53,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 159 remaining) [2024-02-07 14:49:53,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 159 remaining) [2024-02-07 14:49:53,519 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONERROR_FUNCTION (151 of 159 remaining) [2024-02-07 14:49:53,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 159 remaining) [2024-02-07 14:49:53,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (149 of 159 remaining) [2024-02-07 14:49:53,520 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 159 remaining) [2024-02-07 14:49:53,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 159 remaining) [2024-02-07 14:49:53,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 159 remaining) [2024-02-07 14:49:53,523 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 159 remaining) [2024-02-07 14:49:53,524 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 159 remaining) [2024-02-07 14:49:53,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err19ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 159 remaining) [2024-02-07 14:49:53,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err20ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 159 remaining) [2024-02-07 14:49:53,525 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err21ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 159 remaining) [2024-02-07 14:49:53,526 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err22ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 159 remaining) [2024-02-07 14:49:53,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err23ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 159 remaining) [2024-02-07 14:49:53,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 159 remaining) [2024-02-07 14:49:53,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 159 remaining) [2024-02-07 14:49:53,528 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 159 remaining) [2024-02-07 14:49:53,532 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 159 remaining) [2024-02-07 14:49:53,533 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 159 remaining) [2024-02-07 14:49:53,534 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 159 remaining) [2024-02-07 14:49:53,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 159 remaining) [2024-02-07 14:49:53,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 159 remaining) [2024-02-07 14:49:53,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 159 remaining) [2024-02-07 14:49:53,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 159 remaining) [2024-02-07 14:49:53,538 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 159 remaining) [2024-02-07 14:49:53,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 159 remaining) [2024-02-07 14:49:53,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 159 remaining) [2024-02-07 14:49:53,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 159 remaining) [2024-02-07 14:49:53,539 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 159 remaining) [2024-02-07 14:49:53,540 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 159 remaining) [2024-02-07 14:49:53,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 159 remaining) [2024-02-07 14:49:53,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 159 remaining) [2024-02-07 14:49:53,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 159 remaining) [2024-02-07 14:49:53,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 159 remaining) [2024-02-07 14:49:53,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 159 remaining) [2024-02-07 14:49:53,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 159 remaining) [2024-02-07 14:49:53,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 159 remaining) [2024-02-07 14:49:53,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (73 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (69 of 159 remaining) [2024-02-07 14:49:53,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONERROR_FUNCTION (63 of 159 remaining) [2024-02-07 14:49:53,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 159 remaining) [2024-02-07 14:49:53,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 159 remaining) [2024-02-07 14:49:53,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 159 remaining) [2024-02-07 14:49:53,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 159 remaining) [2024-02-07 14:49:53,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 159 remaining) [2024-02-07 14:49:53,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err19ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err20ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err21ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err22ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 159 remaining) [2024-02-07 14:49:53,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err23ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 159 remaining) [2024-02-07 14:49:53,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 159 remaining) [2024-02-07 14:49:53,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 159 remaining) [2024-02-07 14:49:53,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 159 remaining) [2024-02-07 14:49:53,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 159 remaining) [2024-02-07 14:49:53,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 159 remaining) [2024-02-07 14:49:53,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 159 remaining) [2024-02-07 14:49:53,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 159 remaining) [2024-02-07 14:49:53,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 159 remaining) [2024-02-07 14:49:53,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 159 remaining) [2024-02-07 14:49:53,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 159 remaining) [2024-02-07 14:49:53,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 159 remaining) [2024-02-07 14:49:53,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 159 remaining) [2024-02-07 14:49:53,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 159 remaining) [2024-02-07 14:49:53,557 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 159 remaining) [2024-02-07 14:49:53,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 159 remaining) [2024-02-07 14:49:53,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 159 remaining) [2024-02-07 14:49:53,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 159 remaining) [2024-02-07 14:49:53,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err24ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 159 remaining) [2024-02-07 14:49:53,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:49:53,561 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 14:49:53,569 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:49:53,570 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:49:53,600 INFO L503 ceAbstractionStarter]: Automizer considered 83 witness invariants [2024-02-07 14:49:53,600 INFO L504 ceAbstractionStarter]: WitnessConsidered=83 [2024-02-07 14:49:53,601 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:49:53 BasicIcfg [2024-02-07 14:49:53,601 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:49:53,601 INFO L158 Benchmark]: Toolchain (without parser) took 26415.99ms. Allocated memory was 136.3MB in the beginning and 12.2GB in the end (delta: 12.1GB). Free memory was 72.9MB in the beginning and 10.7GB in the end (delta: -10.6GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-02-07 14:49:53,601 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 136.3MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:49:53,601 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:49:53,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 856.81ms. Allocated memory was 136.3MB in the beginning and 203.4MB in the end (delta: 67.1MB). Free memory was 72.6MB in the beginning and 125.5MB in the end (delta: -52.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-02-07 14:49:53,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.74ms. Allocated memory is still 203.4MB. Free memory was 125.5MB in the beginning and 121.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:49:53,602 INFO L158 Benchmark]: Boogie Preprocessor took 61.44ms. Allocated memory is still 203.4MB. Free memory was 121.3MB in the beginning and 117.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:49:53,602 INFO L158 Benchmark]: RCFGBuilder took 1194.20ms. Allocated memory is still 203.4MB. Free memory was 117.1MB in the beginning and 164.9MB in the end (delta: -47.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2024-02-07 14:49:53,603 INFO L158 Benchmark]: TraceAbstraction took 24222.18ms. Allocated memory was 203.4MB in the beginning and 12.2GB in the end (delta: 12.0GB). Free memory was 163.7MB in the beginning and 10.7GB in the end (delta: -10.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-02-07 14:49:53,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 136.3MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 142.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 136.3MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 856.81ms. Allocated memory was 136.3MB in the beginning and 203.4MB in the end (delta: 67.1MB). Free memory was 72.6MB in the beginning and 125.5MB in the end (delta: -52.9MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.74ms. Allocated memory is still 203.4MB. Free memory was 125.5MB in the beginning and 121.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.44ms. Allocated memory is still 203.4MB. Free memory was 121.3MB in the beginning and 117.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1194.20ms. Allocated memory is still 203.4MB. Free memory was 117.1MB in the beginning and 164.9MB in the end (delta: -47.8MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24222.18ms. Allocated memory was 203.4MB in the beginning and 12.2GB in the end (delta: 12.0GB). Free memory was 163.7MB in the beginning and 10.7GB in the end (delta: -10.5GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 758]: 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_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool b$flush_delayed; [L724] 0 int b$mem_tmp; [L725] 0 _Bool b$r_buff0_thd0; [L726] 0 _Bool b$r_buff0_thd1; [L727] 0 _Bool b$r_buff0_thd2; [L728] 0 _Bool b$r_buff0_thd3; [L729] 0 _Bool b$r_buff0_thd4; [L730] 0 _Bool b$r_buff1_thd0; [L731] 0 _Bool b$r_buff1_thd1; [L732] 0 _Bool b$r_buff1_thd2; [L733] 0 _Bool b$r_buff1_thd3; [L734] 0 _Bool b$r_buff1_thd4; [L735] 0 _Bool b$read_delayed; [L736] 0 int *b$read_delayed_var; [L737] 0 int b$w_buff0; [L738] 0 _Bool b$w_buff0_used; [L739] 0 int b$w_buff1; [L740] 0 _Bool b$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t1129; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L872] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff1_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[b$w_buff1_used]]],IntegerLiteral[0LL]]]]] [L872] FCALL, FORK 0 pthread_create(&t1129, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t1129={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[b$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[b$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0],IntegerLiteral[1]]]]]] [L754] 1 b$w_buff1 = b$w_buff0 [L755] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[b$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[b$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff1],IntegerLiteral[1]]]]]] [L755] 1 b$w_buff0 = 1 [L756] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L756] 1 b$w_buff1_used = b$w_buff0_used [L757] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L757] 1 b$w_buff0_used = (_Bool)1 [L758] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[b$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] - 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: 755]: 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: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 759]: 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: 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: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: 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: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 785]: 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: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: 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: 815]: 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: 818]: 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: 828]: 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: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 843]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 854]: 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: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 881]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 885]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 886]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 888]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 889]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 891]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 892]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 893]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 874]: 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: 876]: 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: 872]: 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: 878]: 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 9 procedures, 239 locations, 159 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: 24.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 0 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=274occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:49:53,661 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