./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix018.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix018.opt.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/mix018.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix018.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:46:49,491 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:46:49,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:46:49,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:46:49,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:46:49,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:46:49,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:46:49,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:46:49,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:46:49,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:46:49,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:46:49,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:46:49,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:46:49,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:46:49,555 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:46:49,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:46:49,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:46:49,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:46:49,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:46:49,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:46:49,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:46:49,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:46:49,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:46:49,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:46:49,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:46:49,557 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:46:49,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:46:49,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:46:49,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:46:49,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:46:49,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:46:49,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:46:49,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:46:49,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:46:49,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:46:49,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:46:49,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:46:49,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:46:49,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:46:49,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:46:49,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:46:49,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:46:49,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:46:49,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:46:49,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:46:49,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:46:49,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:46:49,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:46:49,821 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:46:49,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix018.opt.i [2024-02-07 14:46:50,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:46:51,186 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:46:51,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix018.opt.i [2024-02-07 14:46:51,205 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f1e711d/adccb24eca93421d87e429af63e67124/FLAGb32dd3347 [2024-02-07 14:46:51,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2f1e711d/adccb24eca93421d87e429af63e67124 [2024-02-07 14:46:51,219 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:46:51,219 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:46:51,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix018.opt.yml/witness.yml [2024-02-07 14:46:51,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:46:51,332 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:46:51,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:51,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:46:51,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:46:51,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:51" (1/2) ... [2024-02-07 14:46:51,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb2faa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:51, skipping insertion in model container [2024-02-07 14:46:51,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:51" (1/2) ... [2024-02-07 14:46:51,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@17280ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:51, skipping insertion in model container [2024-02-07 14:46:51,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:51" (2/2) ... [2024-02-07 14:46:51,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb2faa6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:51, skipping insertion in model container [2024-02-07 14:46:51,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:51" (2/2) ... [2024-02-07 14:46:51,341 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:46:51,466 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:46:51,467 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 14:46:51,467 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,468 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] a == 1 [2024-02-07 14:46:51,468 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] x == 1 [2024-02-07 14:46:51,468 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:46:51,468 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] 0 <= __unbuffered_cnt [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 1 <= __unbuffered_cnt [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] z$flush_delayed == (_Bool)0 [2024-02-07 14:46:51,469 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] 0 <= __unbuffered_cnt [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 2 [2024-02-07 14:46:51,470 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] 1 <= __unbuffered_cnt [2024-02-07 14:46:51,471 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:46:51,471 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:51,471 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:46:51,471 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] z$flush_delayed == (_Bool)0 [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] 0 <= __unbuffered_cnt [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,472 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:46:51,473 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,473 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:46:51,473 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,473 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,474 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,474 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:51,474 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:46:51,475 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:46:51,475 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,475 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (x == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 14:46:51,475 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:46:51,475 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] y == 1 [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:46:51,476 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,477 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:46:51,477 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:46:51,477 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:51,477 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:46:51,477 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 14:46:51,478 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) || ((z$r_buff0_thd4 == (_Bool)0 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1))) || (((z$r_buff0_thd4 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:51,479 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:46:51,480 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:46:51,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:46:51,661 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/mix018.opt.i[944,957] [2024-02-07 14:46:51,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:51,851 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:46:51,881 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/mix018.opt.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:46:52,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:52,069 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:46:52,069 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:52 WrapperNode [2024-02-07 14:46:52,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:52,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:52,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:46:52,070 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:46:52,075 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,133 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,165 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 213 [2024-02-07 14:46:52,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:52,170 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:46:52,170 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:46:52,170 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:46:52,181 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,182 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,185 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,200 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 14:46:52,200 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,200 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,211 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,212 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,214 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,216 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:46:52,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:46:52,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:46:52,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:46:52,221 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 02:46:52" (1/1) ... [2024-02-07 14:46:52,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:46:52,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:46:52,242 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 14:46:52,278 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 14:46:52,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:46:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:46:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:46:52,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:46:52,292 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:46:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:46:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:46:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:46:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:46:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:46:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:46:52,293 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:46:52,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:46:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:46:52,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:46:52,296 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 14:46:52,425 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:46:52,426 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:46:52,945 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:46:52,945 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:46:53,395 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:46:53,397 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:46:53,398 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:46:53 BoogieIcfgContainer [2024-02-07 14:46:53,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:46:53,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:46:53,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:46:53,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:46:53,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:46:51" (1/4) ... [2024-02-07 14:46:53,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a6c4af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:46:53, skipping insertion in model container [2024-02-07 14:46:53,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:51" (2/4) ... [2024-02-07 14:46:53,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a6c4af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:46:53, skipping insertion in model container [2024-02-07 14:46:53,420 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 02:46:52" (3/4) ... [2024-02-07 14:46:53,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23a6c4af and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:46:53, skipping insertion in model container [2024-02-07 14:46:53,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:46:53" (4/4) ... [2024-02-07 14:46:53,421 INFO L112 eAbstractionObserver]: Analyzing ICFG mix018.opt.i [2024-02-07 14:46:53,436 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:46:53,436 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2024-02-07 14:46:53,436 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:46:53,560 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:46:53,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 14:46:53,658 INFO L124 PetriNetUnfolderBase]: 1/120 cut-off events. [2024-02-07 14:46:53,659 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:53,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 133 conditions, 120 events. 1/120 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 641 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2024-02-07 14:46:53,663 INFO L82 GeneralOperation]: Start removeDead. Operand has 136 places, 124 transitions, 264 flow [2024-02-07 14:46:53,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 132 places, 120 transitions, 252 flow [2024-02-07 14:46:53,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:46:53,688 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;@2aa26b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:46:53,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 142 error locations. [2024-02-07 14:46:53,692 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:46:53,692 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:46:53,692 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:53,693 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:53,693 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:46:53,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 139 more)] === [2024-02-07 14:46:53,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:53,700 INFO L85 PathProgramCache]: Analyzing trace with hash 25436552, now seen corresponding path program 1 times [2024-02-07 14:46:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:53,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312816475] [2024-02-07 14:46:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:53,887 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 14:46:53,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:53,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312816475] [2024-02-07 14:46:53,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312816475] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:53,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:53,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:53,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100361393] [2024-02-07 14:46:53,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:53,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:46:53,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:53,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:46:53,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:46:53,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 124 [2024-02-07 14:46:53,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 120 transitions, 252 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 14:46:53,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:53,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 124 [2024-02-07 14:46:53,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:06,187 INFO L124 PetriNetUnfolderBase]: 111879/163395 cut-off events. [2024-02-07 14:47:06,188 INFO L125 PetriNetUnfolderBase]: For 520/520 co-relation queries the response was YES. [2024-02-07 14:47:06,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310251 conditions, 163395 events. 111879/163395 cut-off events. For 520/520 co-relation queries the response was YES. Maximal size of possible extension queue 8187. Compared 1400584 event pairs, 111879 based on Foata normal form. 2520/93142 useless extension candidates. Maximal degree in co-relation 310239. Up to 145745 conditions per place. [2024-02-07 14:47:07,447 INFO L140 encePairwiseOnDemand]: 92/124 looper letters, 46 selfloop transitions, 0 changer transitions 0/60 dead transitions. [2024-02-07 14:47:07,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 60 transitions, 224 flow [2024-02-07 14:47:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:47:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:47:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 114 transitions. [2024-02-07 14:47:07,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4596774193548387 [2024-02-07 14:47:07,457 INFO L175 Difference]: Start difference. First operand has 132 places, 120 transitions, 252 flow. Second operand 2 states and 114 transitions. [2024-02-07 14:47:07,458 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 60 transitions, 224 flow [2024-02-07 14:47:07,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:47:07,468 INFO L231 Difference]: Finished difference. Result has 70 places, 60 transitions, 128 flow [2024-02-07 14:47:07,470 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=128, PETRI_PLACES=70, PETRI_TRANSITIONS=60} [2024-02-07 14:47:07,472 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -62 predicate places. [2024-02-07 14:47:07,472 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 128 flow [2024-02-07 14:47:07,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:07,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:07,473 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:07,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:47:07,473 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 139 more)] === [2024-02-07 14:47:07,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:07,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1867000060, now seen corresponding path program 1 times [2024-02-07 14:47:07,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:07,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284409541] [2024-02-07 14:47:07,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:07,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:07,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:07,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:07,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284409541] [2024-02-07 14:47:07,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284409541] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:07,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:07,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:07,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793758372] [2024-02-07 14:47:07,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:07,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:07,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:07,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:07,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:07,535 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 124 [2024-02-07 14:47:07,535 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:07,535 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:07,535 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 124 [2024-02-07 14:47:07,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:15,434 INFO L124 PetriNetUnfolderBase]: 86977/118099 cut-off events. [2024-02-07 14:47:15,434 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:15,708 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233126 conditions, 118099 events. 86977/118099 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5872. Compared 854889 event pairs, 28175 based on Foata normal form. 0/68299 useless extension candidates. Maximal degree in co-relation 233123. Up to 87273 conditions per place. [2024-02-07 14:47:16,204 INFO L140 encePairwiseOnDemand]: 116/124 looper letters, 79 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-02-07 14:47:16,205 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 97 transitions, 374 flow [2024-02-07 14:47:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:47:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:47:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-02-07 14:47:16,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3790322580645161 [2024-02-07 14:47:16,209 INFO L175 Difference]: Start difference. First operand has 70 places, 60 transitions, 128 flow. Second operand 3 states and 141 transitions. [2024-02-07 14:47:16,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 97 transitions, 374 flow [2024-02-07 14:47:16,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:47:16,212 INFO L231 Difference]: Finished difference. Result has 73 places, 63 transitions, 160 flow [2024-02-07 14:47:16,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=73, PETRI_TRANSITIONS=63} [2024-02-07 14:47:16,213 INFO L281 CegarLoopForPetriNet]: 132 programPoint places, -59 predicate places. [2024-02-07 14:47:16,213 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 63 transitions, 160 flow [2024-02-07 14:47:16,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:16,214 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:16,214 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:16,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:47:16,214 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 139 more)] === [2024-02-07 14:47:16,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:16,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1768904287, now seen corresponding path program 1 times [2024-02-07 14:47:16,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:16,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398780280] [2024-02-07 14:47:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:16,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:16,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398780280] [2024-02-07 14:47:16,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398780280] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:16,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:16,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:16,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430422494] [2024-02-07 14:47:16,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:16,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:16,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:16,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:16,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:16,310 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 124 [2024-02-07 14:47:16,310 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 63 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:16,310 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:16,310 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 124 [2024-02-07 14:47:16,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand