./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix010.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/mix010.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix010.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix010.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:45:59,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:45:59,531 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:45:59,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:45:59,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:45:59,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:45:59,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:45:59,575 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:45:59,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:45:59,577 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:45:59,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:45:59,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:45:59,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:45:59,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:45:59,582 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:45:59,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:45:59,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:45:59,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:45:59,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:45:59,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:45:59,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:45:59,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:45:59,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:45:59,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:45:59,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:45:59,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:45:59,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:45:59,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:45:59,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:45:59,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:45:59,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:45:59,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:45:59,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:45:59,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:45:59,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:45:59,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:45:59,587 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:45:59,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:45:59,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:45:59,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:45:59,588 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:45:59,588 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:45:59,588 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:45:59,589 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:45:59,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:45:59,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:45:59,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:45:59,924 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:45:59,924 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:45:59,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix010.opt.i [2024-02-07 14:46:01,089 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:46:01,429 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:46:01,430 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix010.opt.i [2024-02-07 14:46:01,455 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92561edea/9d1f236fb8d94d5baee67028509095f8/FLAG3bf12cb15 [2024-02-07 14:46:01,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92561edea/9d1f236fb8d94d5baee67028509095f8 [2024-02-07 14:46:01,477 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:46:01,478 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:46:01,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix010.opt.yml/witness.yml [2024-02-07 14:46:01,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:46:01,641 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:46:01,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:01,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:46:01,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:46:01,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:01" (1/2) ... [2024-02-07 14:46:01,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558e5b71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:01, skipping insertion in model container [2024-02-07 14:46:01,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:01" (1/2) ... [2024-02-07 14:46:01,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79249934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:01, skipping insertion in model container [2024-02-07 14:46:01,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:01" (2/2) ... [2024-02-07 14:46:01,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558e5b71 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:01, skipping insertion in model container [2024-02-07 14:46:01,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:01" (2/2) ... [2024-02-07 14:46:01,651 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:46:01,817 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:46:01,819 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd2 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:46:01,819 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,819 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] z$flush_delayed == (_Bool)0 [2024-02-07 14:46:01,819 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] 0 <= __unbuffered_cnt [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] x == 1 [2024-02-07 14:46:01,820 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] 0 <= __unbuffered_cnt [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,821 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:46:01,822 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,822 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,822 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:46:01,822 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,822 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (z$r_buff1_thd2 == (_Bool)0) && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:01,823 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 0 <= __unbuffered_cnt [2024-02-07 14:46:01,823 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,823 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,824 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] a == 1 [2024-02-07 14:46:01,824 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:46:01,824 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,824 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:46:01,824 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] 1 <= __unbuffered_cnt [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1) [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:46:01,825 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:46:01,826 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] 0 <= __unbuffered_cnt [2024-02-07 14:46:01,826 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 14:46:01,827 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:01,828 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 14:46:01,828 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:01,828 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1)) [2024-02-07 14:46:01,829 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:46:01,829 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:01,829 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:01,829 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,830 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,830 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:46:01,830 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:01,830 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] z$flush_delayed == (_Bool)0 [2024-02-07 14:46:01,830 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:46:01,831 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,831 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,831 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,832 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,832 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] y == 1 [2024-02-07 14:46:01,832 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((z$r_buff1_thd2 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd2 == (_Bool)0) || (((z$r_buff0_thd2 == (_Bool)0 && z$r_buff1_thd2 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd2 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,833 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:01,833 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] z$r_buff0_thd3 == (_Bool)1 [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] 1 <= __unbuffered_cnt [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:46:01,834 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (((z$w_buff0_used == (_Bool)1 && ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) || ((z$r_buff0_thd3 == (_Bool)0 && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1))) || (((z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1)) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || ((z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (z$r_buff1_thd3 == (_Bool)0 || z$r_buff1_thd3 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd3 == (_Bool)0 || z$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 1 <= __unbuffered_cnt [2024-02-07 14:46:01,835 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__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))) [2024-02-07 14:46:01,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:46:02,090 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/mix010.opt.i[944,957] [2024-02-07 14:46:02,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:02,323 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:46:02,362 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/mix010.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 [2024-02-07 14:46:02,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:02,560 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:46:02,561 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02 WrapperNode [2024-02-07 14:46:02,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:02,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:02,562 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:46:02,562 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:46:02,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,632 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 199 [2024-02-07 14:46:02,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:02,634 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:46:02,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:46:02,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:46:02,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,663 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,682 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 14:46:02,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,692 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:46:02,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:46:02,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:46:02,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:46:02,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (1/1) ... [2024-02-07 14:46:02,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:46:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:46:02,772 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:46:02,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:46:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:46:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:46:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:46:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:46:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:46:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:46:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:46:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:46:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:46:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:46:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:46:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:46:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:46:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:46:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:46:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:46:02,818 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:46:02,990 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:46:02,991 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:46:03,606 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:46:03,606 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:46:04,114 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:46:04,114 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:46:04,116 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:46:04 BoogieIcfgContainer [2024-02-07 14:46:04,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:46:04,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:46:04,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:46:04,122 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:46:04,122 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:46:01" (1/4) ... [2024-02-07 14:46:04,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c23859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:46:04, skipping insertion in model container [2024-02-07 14:46:04,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:01" (2/4) ... [2024-02-07 14:46:04,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c23859 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:46:04, skipping insertion in model container [2024-02-07 14:46:04,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:02" (3/4) ... [2024-02-07 14:46:04,124 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45c23859 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:46:04, skipping insertion in model container [2024-02-07 14:46:04,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:46:04" (4/4) ... [2024-02-07 14:46:04,126 INFO L112 eAbstractionObserver]: Analyzing ICFG mix010.opt.i [2024-02-07 14:46:04,145 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:46:04,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-02-07 14:46:04,146 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:46:04,266 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:46:04,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 115 transitions, 242 flow [2024-02-07 14:46:04,365 INFO L124 PetriNetUnfolderBase]: 1/112 cut-off events. [2024-02-07 14:46:04,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:04,370 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122 conditions, 112 events. 1/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 663 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 114. Up to 2 conditions per place. [2024-02-07 14:46:04,370 INFO L82 GeneralOperation]: Start removeDead. Operand has 124 places, 115 transitions, 242 flow [2024-02-07 14:46:04,377 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 121 places, 112 transitions, 233 flow [2024-02-07 14:46:04,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:46:04,397 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;@1c1399e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:46:04,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 137 error locations. [2024-02-07 14:46:04,408 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:46:04,415 INFO L124 PetriNetUnfolderBase]: 0/4 cut-off events. [2024-02-07 14:46:04,415 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:04,416 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:04,416 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:46:04,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:04,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:04,421 INFO L85 PathProgramCache]: Analyzing trace with hash 24983922, now seen corresponding path program 1 times [2024-02-07 14:46:04,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:04,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325397645] [2024-02-07 14:46:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:04,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:04,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:04,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325397645] [2024-02-07 14:46:04,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325397645] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:04,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:04,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:04,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547869284] [2024-02-07 14:46:04,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:04,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:46:04,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:04,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:46:04,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:46:04,662 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 115 [2024-02-07 14:46:04,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 112 transitions, 233 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 14:46:04,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:04,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 115 [2024-02-07 14:46:04,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:07,979 INFO L124 PetriNetUnfolderBase]: 17544/27847 cut-off events. [2024-02-07 14:46:07,979 INFO L125 PetriNetUnfolderBase]: For 98/98 co-relation queries the response was YES. [2024-02-07 14:46:08,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52672 conditions, 27847 events. 17544/27847 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 1787. Compared 228853 event pairs, 17544 based on Foata normal form. 490/14690 useless extension candidates. Maximal degree in co-relation 52661. Up to 24595 conditions per place. [2024-02-07 14:46:08,225 INFO L140 encePairwiseOnDemand]: 85/115 looper letters, 42 selfloop transitions, 0 changer transitions 0/54 dead transitions. [2024-02-07 14:46:08,225 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 54 transitions, 201 flow [2024-02-07 14:46:08,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:46:08,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:46:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 102 transitions. [2024-02-07 14:46:08,237 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4434782608695652 [2024-02-07 14:46:08,239 INFO L175 Difference]: Start difference. First operand has 121 places, 112 transitions, 233 flow. Second operand 2 states and 102 transitions. [2024-02-07 14:46:08,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 54 transitions, 201 flow [2024-02-07 14:46:08,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 54 transitions, 198 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:46:08,248 INFO L231 Difference]: Finished difference. Result has 62 places, 54 transitions, 114 flow [2024-02-07 14:46:08,250 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=114, PETRI_PLACES=62, PETRI_TRANSITIONS=54} [2024-02-07 14:46:08,254 INFO L281 CegarLoopForPetriNet]: 121 programPoint places, -59 predicate places. [2024-02-07 14:46:08,254 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 54 transitions, 114 flow [2024-02-07 14:46:08,254 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 14:46:08,254 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:08,255 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:46:08,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:46:08,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:08,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:08,257 INFO L85 PathProgramCache]: Analyzing trace with hash 774502482, now seen corresponding path program 1 times [2024-02-07 14:46:08,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:08,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146382358] [2024-02-07 14:46:08,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:08,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:08,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146382358] [2024-02-07 14:46:08,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146382358] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:08,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:08,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:08,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618999827] [2024-02-07 14:46:08,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:08,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:08,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:08,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:08,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:08,375 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 115 [2024-02-07 14:46:08,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 54 transitions, 114 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 14:46:08,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:08,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 115 [2024-02-07 14:46:08,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:10,899 INFO L124 PetriNetUnfolderBase]: 17361/25032 cut-off events. [2024-02-07 14:46:10,899 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:46:10,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49599 conditions, 25032 events. 17361/25032 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1660. Compared 185381 event pairs, 1499 based on Foata normal form. 0/12615 useless extension candidates. Maximal degree in co-relation 49596. Up to 23300 conditions per place. [2024-02-07 14:46:11,077 INFO L140 encePairwiseOnDemand]: 112/115 looper letters, 63 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2024-02-07 14:46:11,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 77 transitions, 292 flow [2024-02-07 14:46:11,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 111 transitions. [2024-02-07 14:46:11,080 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3217391304347826 [2024-02-07 14:46:11,080 INFO L175 Difference]: Start difference. First operand has 62 places, 54 transitions, 114 flow. Second operand 3 states and 111 transitions. [2024-02-07 14:46:11,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 77 transitions, 292 flow [2024-02-07 14:46:11,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 77 transitions, 292 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:46:11,083 INFO L231 Difference]: Finished difference. Result has 65 places, 54 transitions, 122 flow [2024-02-07 14:46:11,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=62, 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=122, PETRI_PLACES=65, PETRI_TRANSITIONS=54} [2024-02-07 14:46:11,084 INFO L281 CegarLoopForPetriNet]: 121 programPoint places, -56 predicate places. [2024-02-07 14:46:11,084 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 54 transitions, 122 flow [2024-02-07 14:46:11,085 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 14:46:11,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:11,085 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:11,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:46:11,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:11,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1267572821, now seen corresponding path program 1 times [2024-02-07 14:46:11,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:11,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101570557] [2024-02-07 14:46:11,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101570557] [2024-02-07 14:46:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101570557] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623886444] [2024-02-07 14:46:11,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:11,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:11,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:11,189 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 115 [2024-02-07 14:46:11,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 54 transitions, 122 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 14:46:11,191 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:11,191 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 115 [2024-02-07 14:46:11,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:12,925 INFO L124 PetriNetUnfolderBase]: 13624/20785 cut-off events. [2024-02-07 14:46:12,925 INFO L125 PetriNetUnfolderBase]: For 1135/1135 co-relation queries the response was YES. [2024-02-07 14:46:12,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41662 conditions, 20785 events. 13624/20785 cut-off events. For 1135/1135 co-relation queries the response was YES. Maximal size of possible extension queue 1433. Compared 157349 event pairs, 7250 based on Foata normal form. 0/12091 useless extension candidates. Maximal degree in co-relation 41657. Up to 9783 conditions per place. [2024-02-07 14:46:13,083 INFO L140 encePairwiseOnDemand]: 109/115 looper letters, 74 selfloop transitions, 3 changer transitions 0/89 dead transitions. [2024-02-07 14:46:13,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 89 transitions, 355 flow [2024-02-07 14:46:13,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 125 transitions. [2024-02-07 14:46:13,086 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.36231884057971014 [2024-02-07 14:46:13,086 INFO L175 Difference]: Start difference. First operand has 65 places, 54 transitions, 122 flow. Second operand 3 states and 125 transitions. [2024-02-07 14:46:13,086 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 89 transitions, 355 flow [2024-02-07 14:46:13,088 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 89 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:46:13,089 INFO L231 Difference]: Finished difference. Result has 66 places, 56 transitions, 141 flow [2024-02-07 14:46:13,089 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=141, PETRI_PLACES=66, PETRI_TRANSITIONS=56} [2024-02-07 14:46:13,090 INFO L281 CegarLoopForPetriNet]: 121 programPoint places, -55 predicate places. [2024-02-07 14:46:13,090 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 56 transitions, 141 flow [2024-02-07 14:46:13,090 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 14:46:13,090 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:13,091 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:13,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:46:13,091 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:13,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:13,092 INFO L85 PathProgramCache]: Analyzing trace with hash -662035999, now seen corresponding path program 1 times [2024-02-07 14:46:13,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:13,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063878008] [2024-02-07 14:46:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:13,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:13,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:13,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063878008] [2024-02-07 14:46:13,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063878008] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:13,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:13,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:13,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165310722] [2024-02-07 14:46:13,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:13,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:13,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:13,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:13,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:13,176 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 115 [2024-02-07 14:46:13,176 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 56 transitions, 141 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:13,176 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:13,176 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 115 [2024-02-07 14:46:13,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:14,451 INFO L124 PetriNetUnfolderBase]: 10745/15806 cut-off events. [2024-02-07 14:46:14,451 INFO L125 PetriNetUnfolderBase]: For 1813/1813 co-relation queries the response was YES. [2024-02-07 14:46:14,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34377 conditions, 15806 events. 10745/15806 cut-off events. For 1813/1813 co-relation queries the response was YES. Maximal size of possible extension queue 1063. Compared 100967 event pairs, 2078 based on Foata normal form. 0/9522 useless extension candidates. Maximal degree in co-relation 34371. Up to 11890 conditions per place. [2024-02-07 14:46:14,539 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 73 selfloop transitions, 4 changer transitions 0/89 dead transitions. [2024-02-07 14:46:14,540 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 89 transitions, 380 flow [2024-02-07 14:46:14,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:14,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:14,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-02-07 14:46:14,544 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34492753623188405 [2024-02-07 14:46:14,544 INFO L175 Difference]: Start difference. First operand has 66 places, 56 transitions, 141 flow. Second operand 3 states and 119 transitions. [2024-02-07 14:46:14,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 89 transitions, 380 flow [2024-02-07 14:46:14,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 89 transitions, 375 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:46:14,551 INFO L231 Difference]: Finished difference. Result has 66 places, 55 transitions, 144 flow [2024-02-07 14:46:14,551 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=66, PETRI_TRANSITIONS=55} [2024-02-07 14:46:14,553 INFO L281 CegarLoopForPetriNet]: 121 programPoint places, -55 predicate places. [2024-02-07 14:46:14,553 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 144 flow [2024-02-07 14:46:14,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:14,553 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:14,553 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:14,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:46:14,554 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:14,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:14,555 INFO L85 PathProgramCache]: Analyzing trace with hash -662035997, now seen corresponding path program 1 times [2024-02-07 14:46:14,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:14,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189175293] [2024-02-07 14:46:14,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:14,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:46:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:46:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:46:14,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189175293] [2024-02-07 14:46:14,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189175293] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:46:14,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:46:14,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:46:14,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667334168] [2024-02-07 14:46:14,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:46:14,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:46:14,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:46:14,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:46:14,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:46:14,658 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 115 [2024-02-07 14:46:14,658 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 55 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:14,658 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:46:14,658 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 115 [2024-02-07 14:46:14,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:46:15,168 INFO L124 PetriNetUnfolderBase]: 3418/5751 cut-off events. [2024-02-07 14:46:15,168 INFO L125 PetriNetUnfolderBase]: For 1237/1237 co-relation queries the response was YES. [2024-02-07 14:46:15,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12584 conditions, 5751 events. 3418/5751 cut-off events. For 1237/1237 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 37422 event pairs, 1186 based on Foata normal form. 0/4249 useless extension candidates. Maximal degree in co-relation 12578. Up to 3201 conditions per place. [2024-02-07 14:46:15,197 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 69 selfloop transitions, 3 changer transitions 0/84 dead transitions. [2024-02-07 14:46:15,198 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 84 transitions, 359 flow [2024-02-07 14:46:15,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:46:15,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:46:15,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2024-02-07 14:46:15,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34202898550724636 [2024-02-07 14:46:15,199 INFO L175 Difference]: Start difference. First operand has 66 places, 55 transitions, 144 flow. Second operand 3 states and 118 transitions. [2024-02-07 14:46:15,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 84 transitions, 359 flow [2024-02-07 14:46:15,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 84 transitions, 355 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:46:15,204 INFO L231 Difference]: Finished difference. Result has 65 places, 53 transitions, 145 flow [2024-02-07 14:46:15,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=145, PETRI_PLACES=65, PETRI_TRANSITIONS=53} [2024-02-07 14:46:15,205 INFO L281 CegarLoopForPetriNet]: 121 programPoint places, -56 predicate places. [2024-02-07 14:46:15,205 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 53 transitions, 145 flow [2024-02-07 14:46:15,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:46:15,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:46:15,205 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:46:15,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 14:46:15,206 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 134 more)] === [2024-02-07 14:46:15,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:46:15,206 INFO L85 PathProgramCache]: Analyzing trace with hash -662035995, now seen corresponding path program 1 times [2024-02-07 14:46:15,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:46:15,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124179086] [2024-02-07 14:46:15,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:46:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:46:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:46:15,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:46:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:46:15,287 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:46:15,287 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:46:15,288 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 137 remaining) [2024-02-07 14:46:15,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 137 remaining) [2024-02-07 14:46:15,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 137 remaining) [2024-02-07 14:46:15,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 137 remaining) [2024-02-07 14:46:15,290 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 137 remaining) [2024-02-07 14:46:15,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 137 remaining) [2024-02-07 14:46:15,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 137 remaining) [2024-02-07 14:46:15,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 137 remaining) [2024-02-07 14:46:15,291 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 137 remaining) [2024-02-07 14:46:15,293 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 137 remaining) [2024-02-07 14:46:15,295 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 137 remaining) [2024-02-07 14:46:15,296 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 137 remaining) [2024-02-07 14:46:15,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 137 remaining) [2024-02-07 14:46:15,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 137 remaining) [2024-02-07 14:46:15,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 137 remaining) [2024-02-07 14:46:15,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 137 remaining) [2024-02-07 14:46:15,297 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 137 remaining) [2024-02-07 14:46:15,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 137 remaining) [2024-02-07 14:46:15,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 137 remaining) [2024-02-07 14:46:15,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 137 remaining) [2024-02-07 14:46:15,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 137 remaining) [2024-02-07 14:46:15,298 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (105 of 137 remaining) [2024-02-07 14:46:15,299 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 137 remaining) [2024-02-07 14:46:15,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 137 remaining) [2024-02-07 14:46:15,300 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 137 remaining) [2024-02-07 14:46:15,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 137 remaining) [2024-02-07 14:46:15,301 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 137 remaining) [2024-02-07 14:46:15,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 137 remaining) [2024-02-07 14:46:15,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 137 remaining) [2024-02-07 14:46:15,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 137 remaining) [2024-02-07 14:46:15,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 137 remaining) [2024-02-07 14:46:15,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 137 remaining) [2024-02-07 14:46:15,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 137 remaining) [2024-02-07 14:46:15,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 137 remaining) [2024-02-07 14:46:15,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 137 remaining) [2024-02-07 14:46:15,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 137 remaining) [2024-02-07 14:46:15,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 137 remaining) [2024-02-07 14:46:15,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 137 remaining) [2024-02-07 14:46:15,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 137 remaining) [2024-02-07 14:46:15,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 137 remaining) [2024-02-07 14:46:15,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 137 remaining) [2024-02-07 14:46:15,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 137 remaining) [2024-02-07 14:46:15,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 137 remaining) [2024-02-07 14:46:15,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 137 remaining) [2024-02-07 14:46:15,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (62 of 137 remaining) [2024-02-07 14:46:15,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (61 of 137 remaining) [2024-02-07 14:46:15,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (60 of 137 remaining) [2024-02-07 14:46:15,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (59 of 137 remaining) [2024-02-07 14:46:15,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 137 remaining) [2024-02-07 14:46:15,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 137 remaining) [2024-02-07 14:46:15,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 137 remaining) [2024-02-07 14:46:15,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 137 remaining) [2024-02-07 14:46:15,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 137 remaining) [2024-02-07 14:46:15,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 137 remaining) [2024-02-07 14:46:15,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 137 remaining) [2024-02-07 14:46:15,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 137 remaining) [2024-02-07 14:46:15,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 137 remaining) [2024-02-07 14:46:15,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 137 remaining) [2024-02-07 14:46:15,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 137 remaining) [2024-02-07 14:46:15,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 137 remaining) [2024-02-07 14:46:15,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 137 remaining) [2024-02-07 14:46:15,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 137 remaining) [2024-02-07 14:46:15,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (29 of 137 remaining) [2024-02-07 14:46:15,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 137 remaining) [2024-02-07 14:46:15,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 137 remaining) [2024-02-07 14:46:15,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 137 remaining) [2024-02-07 14:46:15,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 137 remaining) [2024-02-07 14:46:15,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 137 remaining) [2024-02-07 14:46:15,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 137 remaining) [2024-02-07 14:46:15,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 137 remaining) [2024-02-07 14:46:15,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 137 remaining) [2024-02-07 14:46:15,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 137 remaining) [2024-02-07 14:46:15,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 137 remaining) [2024-02-07 14:46:15,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 137 remaining) [2024-02-07 14:46:15,326 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 137 remaining) [2024-02-07 14:46:15,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 137 remaining) [2024-02-07 14:46:15,327 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 137 remaining) [2024-02-07 14:46:15,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-02-07 14:46:15,327 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-02-07 14:46:15,336 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:46:15,336 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:46:15,387 INFO L503 ceAbstractionStarter]: Automizer considered 72 witness invariants [2024-02-07 14:46:15,388 INFO L504 ceAbstractionStarter]: WitnessConsidered=72 [2024-02-07 14:46:15,388 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:46:15 BasicIcfg [2024-02-07 14:46:15,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:46:15,389 INFO L158 Benchmark]: Toolchain (without parser) took 13748.54ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 130.6MB in the beginning and 960.5MB in the end (delta: -829.9MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-02-07 14:46:15,389 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:46:15,390 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:46:15,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 919.52ms. Allocated memory is still 172.0MB. Free memory was 130.6MB in the beginning and 73.2MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-02-07 14:46:15,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.15ms. Allocated memory is still 172.0MB. Free memory was 73.2MB in the beginning and 69.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:46:15,390 INFO L158 Benchmark]: Boogie Preprocessor took 105.91ms. Allocated memory is still 172.0MB. Free memory was 69.0MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:46:15,391 INFO L158 Benchmark]: RCFGBuilder took 1375.61ms. Allocated memory is still 172.0MB. Free memory was 64.1MB in the beginning and 125.0MB in the end (delta: -60.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-02-07 14:46:15,391 INFO L158 Benchmark]: TraceAbstraction took 11269.86ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 124.0MB in the beginning and 960.5MB in the end (delta: -836.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-02-07 14:46:15,392 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 137.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 919.52ms. Allocated memory is still 172.0MB. Free memory was 130.6MB in the beginning and 73.2MB in the end (delta: 57.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.15ms. Allocated memory is still 172.0MB. Free memory was 73.2MB in the beginning and 69.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.91ms. Allocated memory is still 172.0MB. Free memory was 69.0MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1375.61ms. Allocated memory is still 172.0MB. Free memory was 64.1MB in the beginning and 125.0MB in the end (delta: -60.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11269.86ms. Allocated memory was 172.0MB in the beginning and 2.1GB in the end (delta: 2.0GB). Free memory was 124.0MB in the beginning and 960.5MB in the end (delta: -836.5MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 804]: 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_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L717] 0 int __unbuffered_p2_EAX = 0; [L719] 0 int __unbuffered_p2_EBX = 0; [L721] 0 int a = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L727] 0 int y = 0; [L729] 0 int z = 0; [L730] 0 _Bool z$flush_delayed; [L731] 0 int z$mem_tmp; [L732] 0 _Bool z$r_buff0_thd0; [L733] 0 _Bool z$r_buff0_thd1; [L734] 0 _Bool z$r_buff0_thd2; [L735] 0 _Bool z$r_buff0_thd3; [L736] 0 _Bool z$r_buff1_thd0; [L737] 0 _Bool z$r_buff1_thd1; [L738] 0 _Bool z$r_buff1_thd2; [L739] 0 _Bool z$r_buff1_thd3; [L740] 0 _Bool z$read_delayed; [L741] 0 int *z$read_delayed_var; [L742] 0 int z$w_buff0; [L743] 0 _Bool z$w_buff0_used; [L744] 0 int z$w_buff1; [L745] 0 _Bool z$w_buff1_used; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L853] 0 pthread_t t260; [L854] FCALL, FORK 0 pthread_create(&t260, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L855] 0 pthread_t t261; [L856] FCALL, FORK 0 pthread_create(&t261, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L857] 0 pthread_t t262; [L858] FCALL, FORK 0 pthread_create(&t262, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t260={5:0}, t261={6:0}, t262={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L800] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[z$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[z$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0],IntegerLiteral[1]]]]]] [L800] 3 z$w_buff1 = z$w_buff0 [L801] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[z$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[z$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff1],IntegerLiteral[1]]]]]] [L801] 3 z$w_buff0 = 1 [L802] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L802] 3 z$w_buff1_used = z$w_buff0_used [L803] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L803] 3 z$w_buff0_used = (_Bool)1 [L804] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[z$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=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: 759]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: 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: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 782]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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, 202 locations, 137 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: 11.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 111 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 355 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 0 mSDtfsCounter, 355 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred 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, 0.3s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 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 14:46:15,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE