./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix001.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/mix001.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix001.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix001.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:23:23,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:23:23,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:23:23,105 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:23:23,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:23:23,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:23:23,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:23:23,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:23:23,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:23:23,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:23:23,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:23:23,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:23:23,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:23:23,133 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:23:23,134 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:23:23,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:23:23,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:23:23,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:23:23,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:23:23,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:23:23,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:23:23,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:23:23,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:23:23,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:23:23,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:23:23,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:23:23,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:23:23,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:23:23,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:23:23,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:23:23,138 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:23:23,138 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:23:23,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:23:23,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:23:23,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:23:23,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:23:23,139 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:23:23,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:23:23,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:23:23,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:23:23,139 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:23:23,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:23:23,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:23:23,140 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:23:23,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:23:23,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:23:23,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:23:23,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:23:23,385 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:23:23,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix001.opt.i [2024-02-07 19:23:24,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:23:24,637 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:23:24,638 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix001.opt.i [2024-02-07 19:23:24,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28d5eb8e/a6323956395a4ec699f5e54786179bfd/FLAG5a4e4d66b [2024-02-07 19:23:24,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f28d5eb8e/a6323956395a4ec699f5e54786179bfd [2024-02-07 19:23:24,671 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:23:24,671 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:23:24,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix001.opt.yml/witness.yml [2024-02-07 19:23:24,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:23:24,787 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:23:24,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:23:24,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:23:24,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:23:24,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:23:24" (1/2) ... [2024-02-07 19:23:24,793 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378656b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:23:24, skipping insertion in model container [2024-02-07 19:23:24,793 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:23:24" (1/2) ... [2024-02-07 19:23:24,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56d9d767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:23:24, skipping insertion in model container [2024-02-07 19:23:24,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:23:24" (2/2) ... [2024-02-07 19:23:24,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378656b4 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:24, skipping insertion in model container [2024-02-07 19:23:24,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:23:24" (2/2) ... [2024-02-07 19:23:24,795 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:23:24,927 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 0 <= __unbuffered_cnt [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:23:24,928 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:23:24,929 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:23:24,930 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x == 1 [2024-02-07 19:23:24,931 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:23:24,931 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] z == 1 [2024-02-07 19:23:24,931 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] y$flush_delayed == (_Bool)0 [2024-02-07 19:23:24,931 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] 0 <= __unbuffered_cnt [2024-02-07 19:23:24,932 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,933 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,933 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:23:24,933 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 1 <= __unbuffered_cnt [2024-02-07 19:23:24,933 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:23:24,934 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:23:24,934 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:23:24,935 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,935 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,935 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] 1 <= __unbuffered_cnt [2024-02-07 19:23:24,935 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:23:24,935 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,936 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:23:24,936 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:23:24,936 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,936 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] 0 <= __unbuffered_cnt [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,937 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:23:24,938 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:23:24,938 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:23:24,938 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,939 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] 0 <= __unbuffered_cnt [2024-02-07 19:23:24,939 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:23:24,939 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,939 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:23:24,939 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 1 <= __unbuffered_cnt [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p0_EAX == 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p0_EBX == 0 && ((__unbuffered_p1_EAX == 1 && ((__unbuffered_p1_EBX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p1_EBX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((((((((0 <= __unbuffered_p0_EBX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p2_EAX) && __unbuffered_p0_EBX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((0 <= __unbuffered_p0_EBX) && (__unbuffered_p0_EBX <= 1)) && (__unbuffered_p0_EBX == 0 || __unbuffered_p0_EBX == 1) [2024-02-07 19:23:24,940 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:23:24,941 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] y$flush_delayed == (_Bool)0 [2024-02-07 19:23:24,941 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:23:24,941 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:23:24,941 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:23:24,980 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:23:25,113 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/mix001.opt.i[944,957] [2024-02-07 19:23:25,288 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:23:25,298 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:23:25,327 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/mix001.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 [2024-02-07 19:23:25,477 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:23:25,511 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:23:25,512 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25 WrapperNode [2024-02-07 19:23:25,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:23:25,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:23:25,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:23:25,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:23:25,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,593 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 199 [2024-02-07 19:23:25,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:23:25,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:23:25,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:23:25,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:23:25,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,609 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,629 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:23:25,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,647 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:23:25,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:23:25,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:23:25,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:23:25,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (1/1) ... [2024-02-07 19:23:25,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:23:25,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:23:25,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:23:25,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:23:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:23:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:23:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:23:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:23:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:23:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:23:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:23:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:23:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:23:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:23:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:23:25,821 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:23:25,953 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:23:25,956 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:23:26,333 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:23:26,333 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:23:26,734 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:23:26,735 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:23:26,736 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:23:26 BoogieIcfgContainer [2024-02-07 19:23:26,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:23:26,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:23:26,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:23:26,740 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:23:26,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:23:24" (1/4) ... [2024-02-07 19:23:26,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfbc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:23:26, skipping insertion in model container [2024-02-07 19:23:26,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:23:24" (2/4) ... [2024-02-07 19:23:26,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfbc77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:23:26, skipping insertion in model container [2024-02-07 19:23:26,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:23:25" (3/4) ... [2024-02-07 19:23:26,743 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfbc77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:23:26, skipping insertion in model container [2024-02-07 19:23:26,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:23:26" (4/4) ... [2024-02-07 19:23:26,744 INFO L112 eAbstractionObserver]: Analyzing ICFG mix001.opt.i [2024-02-07 19:23:26,758 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:23:26,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2024-02-07 19:23:26,759 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:23:26,859 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:23:26,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 116 transitions, 244 flow [2024-02-07 19:23:26,941 INFO L124 PetriNetUnfolderBase]: 1/113 cut-off events. [2024-02-07 19:23:26,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:23:26,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 1/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 605 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 115. Up to 2 conditions per place. [2024-02-07 19:23:26,946 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 116 transitions, 244 flow [2024-02-07 19:23:26,951 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 113 transitions, 235 flow [2024-02-07 19:23:26,962 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:23:26,968 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;@28675b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:23:26,969 INFO L358 AbstractCegarLoop]: Starting to check reachability of 139 error locations. [2024-02-07 19:23:26,974 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:23:26,974 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 19:23:26,974 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:23:26,975 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:26,975 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:23:26,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:26,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:26,982 INFO L85 PathProgramCache]: Analyzing trace with hash 25230226, now seen corresponding path program 1 times [2024-02-07 19:23:26,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:26,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368848018] [2024-02-07 19:23:26,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:26,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:23:27,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:23:27,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:23:27,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368848018] [2024-02-07 19:23:27,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368848018] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:23:27,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:23:27,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:23:27,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490409874] [2024-02-07 19:23:27,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:23:27,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:23:27,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:23:27,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:23:27,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:23:27,207 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 116 [2024-02-07 19:23:27,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 235 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:27,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:23:27,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 116 [2024-02-07 19:23:27,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:23:29,977 INFO L124 PetriNetUnfolderBase]: 21282/34164 cut-off events. [2024-02-07 19:23:29,977 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2024-02-07 19:23:30,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64184 conditions, 34164 events. 21282/34164 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 2279. Compared 291806 event pairs, 21282 based on Foata normal form. 630/17714 useless extension candidates. Maximal degree in co-relation 64173. Up to 29744 conditions per place. [2024-02-07 19:23:30,269 INFO L140 encePairwiseOnDemand]: 86/116 looper letters, 43 selfloop transitions, 0 changer transitions 0/55 dead transitions. [2024-02-07 19:23:30,269 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 55 transitions, 205 flow [2024-02-07 19:23:30,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:23:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:23:30,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 103 transitions. [2024-02-07 19:23:30,278 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44396551724137934 [2024-02-07 19:23:30,279 INFO L175 Difference]: Start difference. First operand has 122 places, 113 transitions, 235 flow. Second operand 2 states and 103 transitions. [2024-02-07 19:23:30,279 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 55 transitions, 205 flow [2024-02-07 19:23:30,282 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 55 transitions, 202 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:23:30,284 INFO L231 Difference]: Finished difference. Result has 63 places, 55 transitions, 116 flow [2024-02-07 19:23:30,285 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=116, PETRI_PLACES=63, PETRI_TRANSITIONS=55} [2024-02-07 19:23:30,287 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -59 predicate places. [2024-02-07 19:23:30,287 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 55 transitions, 116 flow [2024-02-07 19:23:30,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:30,288 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:30,288 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:23:30,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:23:30,288 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:30,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:30,289 INFO L85 PathProgramCache]: Analyzing trace with hash 782137915, now seen corresponding path program 1 times [2024-02-07 19:23:30,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:30,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995717649] [2024-02-07 19:23:30,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:30,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:23:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:23:30,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:23:30,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995717649] [2024-02-07 19:23:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995717649] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:23:30,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:23:30,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:23:30,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723581394] [2024-02-07 19:23:30,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:23:30,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:23:30,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:23:30,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:23:30,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:23:30,350 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 116 [2024-02-07 19:23:30,350 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 55 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:30,350 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:23:30,350 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 116 [2024-02-07 19:23:30,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:23:32,386 INFO L124 PetriNetUnfolderBase]: 18813/27775 cut-off events. [2024-02-07 19:23:32,386 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:23:32,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54354 conditions, 27775 events. 18813/27775 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1895. Compared 221683 event pairs, 1530 based on Foata normal form. 0/14287 useless extension candidates. Maximal degree in co-relation 54351. Up to 23863 conditions per place. [2024-02-07 19:23:32,505 INFO L140 encePairwiseOnDemand]: 114/116 looper letters, 74 selfloop transitions, 1 changer transitions 0/87 dead transitions. [2024-02-07 19:23:32,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 87 transitions, 334 flow [2024-02-07 19:23:32,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:23:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:23:32,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2024-02-07 19:23:32,507 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34770114942528735 [2024-02-07 19:23:32,507 INFO L175 Difference]: Start difference. First operand has 63 places, 55 transitions, 116 flow. Second operand 3 states and 121 transitions. [2024-02-07 19:23:32,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 87 transitions, 334 flow [2024-02-07 19:23:32,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 87 transitions, 334 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 19:23:32,509 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 116 flow [2024-02-07 19:23:32,509 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-02-07 19:23:32,510 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -58 predicate places. [2024-02-07 19:23:32,510 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 116 flow [2024-02-07 19:23:32,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:32,511 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:32,511 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 19:23:32,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:23:32,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:32,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:32,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1523527468, now seen corresponding path program 1 times [2024-02-07 19:23:32,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:32,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41542818] [2024-02-07 19:23:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:32,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:23:32,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:23:32,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:23:32,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41542818] [2024-02-07 19:23:32,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41542818] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:23:32,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:23:32,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:23:32,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135173515] [2024-02-07 19:23:32,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:23:32,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:23:32,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:23:32,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:23:32,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:23:32,584 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 116 [2024-02-07 19:23:32,585 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 54 transitions, 116 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:32,585 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:23:32,585 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 116 [2024-02-07 19:23:32,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:23:34,451 INFO L124 PetriNetUnfolderBase]: 18630/26804 cut-off events. [2024-02-07 19:23:34,451 INFO L125 PetriNetUnfolderBase]: For 940/940 co-relation queries the response was YES. [2024-02-07 19:23:34,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54068 conditions, 26804 events. 18630/26804 cut-off events. For 940/940 co-relation queries the response was YES. Maximal size of possible extension queue 1828. Compared 203844 event pairs, 1548 based on Foata normal form. 0/13529 useless extension candidates. Maximal degree in co-relation 54064. Up to 24855 conditions per place. [2024-02-07 19:23:34,597 INFO L140 encePairwiseOnDemand]: 113/116 looper letters, 64 selfloop transitions, 2 changer transitions 0/78 dead transitions. [2024-02-07 19:23:34,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 78 transitions, 300 flow [2024-02-07 19:23:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:23:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:23:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-02-07 19:23:34,603 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3218390804597701 [2024-02-07 19:23:34,603 INFO L175 Difference]: Start difference. First operand has 64 places, 54 transitions, 116 flow. Second operand 3 states and 112 transitions. [2024-02-07 19:23:34,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 78 transitions, 300 flow [2024-02-07 19:23:34,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 78 transitions, 298 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:23:34,605 INFO L231 Difference]: Finished difference. Result has 66 places, 54 transitions, 123 flow [2024-02-07 19:23:34,605 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=115, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=123, PETRI_PLACES=66, PETRI_TRANSITIONS=54} [2024-02-07 19:23:34,606 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -56 predicate places. [2024-02-07 19:23:34,606 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 54 transitions, 123 flow [2024-02-07 19:23:34,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:34,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:34,607 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:23:34,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:23:34,607 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:34,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:34,608 INFO L85 PathProgramCache]: Analyzing trace with hash -26498174, now seen corresponding path program 1 times [2024-02-07 19:23:34,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:34,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123405216] [2024-02-07 19:23:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:34,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:23:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:23:34,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:23:34,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123405216] [2024-02-07 19:23:34,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123405216] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:23:34,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:23:34,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-02-07 19:23:34,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031299746] [2024-02-07 19:23:34,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:23:34,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:23:34,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:23:34,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:23:34,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:23:34,687 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 116 [2024-02-07 19:23:34,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 54 transitions, 123 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:34,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:23:34,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 116 [2024-02-07 19:23:34,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:23:36,308 INFO L124 PetriNetUnfolderBase]: 15144/21978 cut-off events. [2024-02-07 19:23:36,308 INFO L125 PetriNetUnfolderBase]: For 1211/1211 co-relation queries the response was YES. [2024-02-07 19:23:36,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45249 conditions, 21978 events. 15144/21978 cut-off events. For 1211/1211 co-relation queries the response was YES. Maximal size of possible extension queue 1443. Compared 164682 event pairs, 1129 based on Foata normal form. 804/12730 useless extension candidates. Maximal degree in co-relation 45244. Up to 20028 conditions per place. [2024-02-07 19:23:36,436 INFO L140 encePairwiseOnDemand]: 113/116 looper letters, 63 selfloop transitions, 1 changer transitions 0/76 dead transitions. [2024-02-07 19:23:36,436 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 76 transitions, 296 flow [2024-02-07 19:23:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:23:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:23:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2024-02-07 19:23:36,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.31896551724137934 [2024-02-07 19:23:36,438 INFO L175 Difference]: Start difference. First operand has 66 places, 54 transitions, 123 flow. Second operand 3 states and 111 transitions. [2024-02-07 19:23:36,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 76 transitions, 296 flow [2024-02-07 19:23:36,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 76 transitions, 290 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:23:36,441 INFO L231 Difference]: Finished difference. Result has 63 places, 52 transitions, 113 flow [2024-02-07 19:23:36,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=113, PETRI_PLACES=63, PETRI_TRANSITIONS=52} [2024-02-07 19:23:36,443 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -59 predicate places. [2024-02-07 19:23:36,443 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 52 transitions, 113 flow [2024-02-07 19:23:36,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:36,443 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:36,444 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:23:36,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 19:23:36,444 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:36,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:36,444 INFO L85 PathProgramCache]: Analyzing trace with hash 473981399, now seen corresponding path program 1 times [2024-02-07 19:23:36,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:36,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514305856] [2024-02-07 19:23:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:36,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:23:36,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:23:36,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:23:36,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514305856] [2024-02-07 19:23:36,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514305856] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:23:36,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:23:36,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:23:36,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351476429] [2024-02-07 19:23:36,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:23:36,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:23:36,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:23:36,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:23:36,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:23:36,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 116 [2024-02-07 19:23:36,490 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 52 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:36,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:23:36,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 116 [2024-02-07 19:23:36,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:23:37,857 INFO L124 PetriNetUnfolderBase]: 11867/18237 cut-off events. [2024-02-07 19:23:37,858 INFO L125 PetriNetUnfolderBase]: For 382/382 co-relation queries the response was YES. [2024-02-07 19:23:37,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36317 conditions, 18237 events. 11867/18237 cut-off events. For 382/382 co-relation queries the response was YES. Maximal size of possible extension queue 1262. Compared 136842 event pairs, 6197 based on Foata normal form. 0/10701 useless extension candidates. Maximal degree in co-relation 36313. Up to 8465 conditions per place. [2024-02-07 19:23:37,943 INFO L140 encePairwiseOnDemand]: 110/116 looper letters, 70 selfloop transitions, 3 changer transitions 0/85 dead transitions. [2024-02-07 19:23:37,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 85 transitions, 332 flow [2024-02-07 19:23:37,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:23:37,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:23:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 121 transitions. [2024-02-07 19:23:37,948 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34770114942528735 [2024-02-07 19:23:37,948 INFO L175 Difference]: Start difference. First operand has 63 places, 52 transitions, 113 flow. Second operand 3 states and 121 transitions. [2024-02-07 19:23:37,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 85 transitions, 332 flow [2024-02-07 19:23:37,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 85 transitions, 330 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 19:23:37,951 INFO L231 Difference]: Finished difference. Result has 65 places, 54 transitions, 135 flow [2024-02-07 19:23:37,951 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=65, PETRI_TRANSITIONS=54} [2024-02-07 19:23:37,954 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -57 predicate places. [2024-02-07 19:23:37,957 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 54 transitions, 135 flow [2024-02-07 19:23:37,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:23:37,957 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:23:37,958 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:23:37,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 19:23:37,958 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 136 more)] === [2024-02-07 19:23:37,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:23:37,961 INFO L85 PathProgramCache]: Analyzing trace with hash -821442437, now seen corresponding path program 1 times [2024-02-07 19:23:37,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:23:37,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952918285] [2024-02-07 19:23:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:23:37,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:23:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:23:37,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:23:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:23:38,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:23:38,059 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:23:38,059 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 139 remaining) [2024-02-07 19:23:38,063 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 139 remaining) [2024-02-07 19:23:38,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 139 remaining) [2024-02-07 19:23:38,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 139 remaining) [2024-02-07 19:23:38,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 139 remaining) [2024-02-07 19:23:38,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 139 remaining) [2024-02-07 19:23:38,064 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 139 remaining) [2024-02-07 19:23:38,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 139 remaining) [2024-02-07 19:23:38,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 139 remaining) [2024-02-07 19:23:38,065 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 139 remaining) [2024-02-07 19:23:38,067 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 139 remaining) [2024-02-07 19:23:38,068 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 139 remaining) [2024-02-07 19:23:38,069 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 139 remaining) [2024-02-07 19:23:38,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 139 remaining) [2024-02-07 19:23:38,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 139 remaining) [2024-02-07 19:23:38,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 139 remaining) [2024-02-07 19:23:38,070 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 139 remaining) [2024-02-07 19:23:38,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 139 remaining) [2024-02-07 19:23:38,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 139 remaining) [2024-02-07 19:23:38,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 139 remaining) [2024-02-07 19:23:38,084 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (106 of 139 remaining) [2024-02-07 19:23:38,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 139 remaining) [2024-02-07 19:23:38,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 139 remaining) [2024-02-07 19:23:38,085 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 139 remaining) [2024-02-07 19:23:38,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 139 remaining) [2024-02-07 19:23:38,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 139 remaining) [2024-02-07 19:23:38,086 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 139 remaining) [2024-02-07 19:23:38,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 139 remaining) [2024-02-07 19:23:38,087 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 139 remaining) [2024-02-07 19:23:38,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 139 remaining) [2024-02-07 19:23:38,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 139 remaining) [2024-02-07 19:23:38,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 139 remaining) [2024-02-07 19:23:38,090 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 139 remaining) [2024-02-07 19:23:38,091 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 139 remaining) [2024-02-07 19:23:38,092 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 139 remaining) [2024-02-07 19:23:38,093 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 139 remaining) [2024-02-07 19:23:38,094 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 139 remaining) [2024-02-07 19:23:38,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 139 remaining) [2024-02-07 19:23:38,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (63 of 139 remaining) [2024-02-07 19:23:38,095 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 139 remaining) [2024-02-07 19:23:38,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 139 remaining) [2024-02-07 19:23:38,097 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 139 remaining) [2024-02-07 19:23:38,098 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 139 remaining) [2024-02-07 19:23:38,099 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 139 remaining) [2024-02-07 19:23:38,100 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 139 remaining) [2024-02-07 19:23:38,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (29 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 139 remaining) [2024-02-07 19:23:38,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 139 remaining) [2024-02-07 19:23:38,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 139 remaining) [2024-02-07 19:23:38,104 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 139 remaining) [2024-02-07 19:23:38,105 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 139 remaining) [2024-02-07 19:23:38,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 139 remaining) [2024-02-07 19:23:38,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 139 remaining) [2024-02-07 19:23:38,106 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 139 remaining) [2024-02-07 19:23:38,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-07 19:23:38,106 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-02-07 19:23:38,117 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:23:38,125 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:23:38,188 INFO L503 ceAbstractionStarter]: Automizer considered 73 witness invariants [2024-02-07 19:23:38,188 INFO L504 ceAbstractionStarter]: WitnessConsidered=73 [2024-02-07 19:23:38,189 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:23:38 BasicIcfg [2024-02-07 19:23:38,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:23:38,190 INFO L158 Benchmark]: Toolchain (without parser) took 13403.23ms. Allocated memory was 190.8MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 151.7MB in the beginning and 4.8GB in the end (delta: -4.7GB). Peak memory consumption was 867.9MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,190 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 94.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,190 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:23:38,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.76ms. Allocated memory is still 190.8MB. Free memory was 151.7MB in the beginning and 92.9MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.82ms. Allocated memory is still 190.8MB. Free memory was 92.9MB in the beginning and 88.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,191 INFO L158 Benchmark]: Boogie Preprocessor took 87.84ms. Allocated memory is still 190.8MB. Free memory was 88.8MB in the beginning and 84.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,191 INFO L158 Benchmark]: RCFGBuilder took 1052.98ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 84.6MB in the beginning and 215.0MB in the end (delta: -130.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,193 INFO L158 Benchmark]: TraceAbstraction took 11451.53ms. Allocated memory was 257.9MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 214.0MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 863.0MB. Max. memory is 16.1GB. [2024-02-07 19:23:38,194 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 115.3MB. Free memory was 87.1MB in the beginning and 87.0MB in the end (delta: 94.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 190.8MB. Free memory is still 159.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.76ms. Allocated memory is still 190.8MB. Free memory was 151.7MB in the beginning and 92.9MB in the end (delta: 58.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.82ms. Allocated memory is still 190.8MB. Free memory was 92.9MB in the beginning and 88.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.84ms. Allocated memory is still 190.8MB. Free memory was 88.8MB in the beginning and 84.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.98ms. Allocated memory was 190.8MB in the beginning and 257.9MB in the end (delta: 67.1MB). Free memory was 84.6MB in the beginning and 215.0MB in the end (delta: -130.4MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11451.53ms. Allocated memory was 257.9MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 214.0MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 863.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 776]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p0_EBX = 0; [L715] 0 int __unbuffered_p1_EAX = 0; [L717] 0 int __unbuffered_p1_EBX = 0; [L719] 0 int __unbuffered_p2_EAX = 0; [L721] 0 int __unbuffered_p2_EBX = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L728] 0 _Bool y$flush_delayed; [L729] 0 int y$mem_tmp; [L730] 0 _Bool y$r_buff0_thd0; [L731] 0 _Bool y$r_buff0_thd1; [L732] 0 _Bool y$r_buff0_thd2; [L733] 0 _Bool y$r_buff0_thd3; [L734] 0 _Bool y$r_buff1_thd0; [L735] 0 _Bool y$r_buff1_thd1; [L736] 0 _Bool y$r_buff1_thd2; [L737] 0 _Bool y$r_buff1_thd3; [L738] 0 _Bool y$read_delayed; [L739] 0 int *y$read_delayed_var; [L740] 0 int y$w_buff0; [L741] 0 _Bool y$w_buff0_used; [L742] 0 int y$w_buff1; [L743] 0 _Bool y$w_buff1_used; [L745] 0 int z = 0; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L853] 0 pthread_t t17; [L854] FCALL, FORK 0 pthread_create(&t17, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t17={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L855] 0 pthread_t t18; [L856] FCALL, FORK 0 pthread_create(&t18, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t17={5:0}, t18={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L769] 2 x = 1 [L770] 2 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[1]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L772] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x]],BinaryExpression[COMPLEQ,IdentifierExpression[x],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[1]]]]]] [L772] 2 __unbuffered_p1_EAX = x [L773] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[__unbuffered_p1_EAX]],BinaryExpression[COMPLEQ,IdentifierExpression[__unbuffered_p1_EAX],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[__unbuffered_p1_EAX],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[__unbuffered_p1_EAX],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] - UnprovableResult [Line: 752]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 758]: 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: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: 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: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 860]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: 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: 873]: 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: 854]: 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: 858]: 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: 856]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 204 locations, 139 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: 11.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 126 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 402 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 0 mSDtfsCounter, 402 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 19:23:38,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE