./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix019.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/mix019.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/mix019.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix019.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:46:56,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:46:56,636 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:46:56,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:46:56,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:46:56,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:46:56,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:46:56,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:46:56,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:46:56,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:46:56,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:46:56,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:46:56,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:46:56,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:46:56,790 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:46:56,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:46:56,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:46:56,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:46:56,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:46:56,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:46:56,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:46:56,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:46:56,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:46:56,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:46:56,792 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:46:56,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:46:56,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:46:56,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:46:56,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:46:56,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:46:56,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:46:56,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:46:56,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:46:56,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:46:56,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:46:56,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:46:56,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:46:56,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:46:56,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:46:56,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:46:56,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:46:56,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:46:56,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:46:56,800 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:46:56,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:46:56,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:46:56,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:46:56,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:46:56,993 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:46:56,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019.opt.i [2024-02-07 14:46:58,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:46:58,199 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:46:58,200 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019.opt.i [2024-02-07 14:46:58,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45bd3f83/4a666c82548b4c4283c1cfefb8102779/FLAG0d5acc5bb [2024-02-07 14:46:58,227 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c45bd3f83/4a666c82548b4c4283c1cfefb8102779 [2024-02-07 14:46:58,229 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:46:58,229 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:46:58,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix019.opt.yml/witness.yml [2024-02-07 14:46:58,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:46:58,344 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:46:58,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:58,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:46:58,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:46:58,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:58" (1/2) ... [2024-02-07 14:46:58,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc46ff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:58, skipping insertion in model container [2024-02-07 14:46:58,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:46:58" (1/2) ... [2024-02-07 14:46:58,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cb3946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:46:58, skipping insertion in model container [2024-02-07 14:46:58,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:58" (2/2) ... [2024-02-07 14:46:58,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fc46ff6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:58, skipping insertion in model container [2024-02-07 14:46:58,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:58" (2/2) ... [2024-02-07 14:46:58,353 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:46:58,462 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:46:58,464 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 14:46:58,464 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] 0 <= __unbuffered_cnt [2024-02-07 14:46:58,464 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,464 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,465 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:46:58,465 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (((((((y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) || ((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1)) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff1_thd2 == (_Bool)0 && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1)) || (((0 <= y$w_buff1 && y$w_buff1 <= 1) && (y$w_buff1 == 0 || y$w_buff1 == 1)) && (weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1)) [2024-02-07 14:46:58,465 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,466 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] 1 <= __unbuffered_cnt [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) || (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:58,467 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,468 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (x == 2)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 14:46:58,468 INFO L76 edCorrectnessWitness]: Location invariant before [L749-L749] x == 1 [2024-02-07 14:46:58,468 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 14:46:58,468 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] 0 <= __unbuffered_cnt [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] 1 <= __unbuffered_cnt [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L746-L746] z == 1 [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 14:46:58,469 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:46:58,470 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] 0 <= __unbuffered_cnt [2024-02-07 14:46:58,470 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 14:46:58,470 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] 1 <= __unbuffered_cnt [2024-02-07 14:46:58,470 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 14:46:58,470 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 14:46:58,471 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,471 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L850-L850] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] y$flush_delayed == (_Bool)0 [2024-02-07 14:46:58,472 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 14:46:58,473 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:46:58,473 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 14:46:58,473 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 14:46:58,473 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] 0 <= __unbuffered_cnt [2024-02-07 14:46:58,473 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,474 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 14:46:58,474 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:46:58,474 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 14:46:58,474 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 14:46:58,474 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:46:58,475 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,475 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:46:58,476 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:58,476 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (((y$w_buff0_used == (_Bool)1 && ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) || ((y$r_buff0_thd3 == (_Bool)0 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1))) || (((y$r_buff0_thd3 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || ((y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,476 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 14:46:58,476 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] x == 2 [2024-02-07 14:46:58,476 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:46:58,477 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:46:58,477 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] y$flush_delayed == (_Bool)0 [2024-02-07 14:46:58,477 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 14:46:58,477 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 14:46:58,477 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:46:58,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:46:58,676 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/mix019.opt.i[944,957] [2024-02-07 14:46:58,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:58,865 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:46:58,894 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/mix019.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 [2024-02-07 14:46:59,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:46:59,042 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:46:59,042 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:46:59 WrapperNode [2024-02-07 14:46:59,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:46:59,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:59,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:46:59,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:46:59,050 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,073 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,105 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 196 [2024-02-07 14:46:59,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:46:59,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:46:59,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:46:59,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:46:59,116 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,116 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,121 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,135 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 14:46:59,135 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,136 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,146 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,148 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,150 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,151 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:46:59,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:46:59,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:46:59,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:46:59,157 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 02:46:59" (1/1) ... [2024-02-07 14:46:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:46:59,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:46:59,202 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 14:46:59,221 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 14:46:59,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:46:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:46:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:46:59,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:46:59,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:46:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:46:59,271 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:46:59,272 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:46:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:46:59,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:46:59,274 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 14:46:59,416 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:46:59,418 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:46:59,809 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:46:59,809 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:47:00,290 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:47:00,290 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:47:00,291 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:00 BoogieIcfgContainer [2024-02-07 14:47:00,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:47:00,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:47:00,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:47:00,296 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:47:00,296 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:46:58" (1/4) ... [2024-02-07 14:47:00,297 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7308a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:00, skipping insertion in model container [2024-02-07 14:47:00,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:46:58" (2/4) ... [2024-02-07 14:47:00,298 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7308a3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:00, skipping insertion in model container [2024-02-07 14:47:00,298 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 02:46:59" (3/4) ... [2024-02-07 14:47:00,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7308a3 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:00, skipping insertion in model container [2024-02-07 14:47:00,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:00" (4/4) ... [2024-02-07 14:47:00,300 INFO L112 eAbstractionObserver]: Analyzing ICFG mix019.opt.i [2024-02-07 14:47:00,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:47:00,315 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 70 error locations. [2024-02-07 14:47:00,315 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:47:00,411 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:47:00,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 109 transitions, 230 flow [2024-02-07 14:47:00,495 INFO L124 PetriNetUnfolderBase]: 1/106 cut-off events. [2024-02-07 14:47:00,495 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:00,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 106 events. 1/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 522 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 108. Up to 2 conditions per place. [2024-02-07 14:47:00,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 118 places, 109 transitions, 230 flow [2024-02-07 14:47:00,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 115 places, 106 transitions, 221 flow [2024-02-07 14:47:00,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:47:00,526 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;@1e23b588, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:47:00,526 INFO L358 AbstractCegarLoop]: Starting to check reachability of 129 error locations. [2024-02-07 14:47:00,530 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:47:00,531 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:47:00,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:00,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:00,532 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:47:00,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 126 more)] === [2024-02-07 14:47:00,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:00,539 INFO L85 PathProgramCache]: Analyzing trace with hash 23931628, now seen corresponding path program 1 times [2024-02-07 14:47:00,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:00,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279633960] [2024-02-07 14:47:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:00,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:00,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:00,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279633960] [2024-02-07 14:47:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279633960] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:00,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:00,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:00,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753005372] [2024-02-07 14:47:00,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:00,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:47:00,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:00,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:47:00,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:47:00,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 109 [2024-02-07 14:47:00,777 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 106 transitions, 221 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 14:47:00,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:00,778 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 109 [2024-02-07 14:47:00,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:02,698 INFO L124 PetriNetUnfolderBase]: 11837/19241 cut-off events. [2024-02-07 14:47:02,699 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2024-02-07 14:47:02,728 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36078 conditions, 19241 events. 11837/19241 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 1316. Compared 156539 event pairs, 11837 based on Foata normal form. 360/10586 useless extension candidates. Maximal degree in co-relation 36067. Up to 16675 conditions per place. [2024-02-07 14:47:02,828 INFO L140 encePairwiseOnDemand]: 81/109 looper letters, 38 selfloop transitions, 0 changer transitions 0/50 dead transitions. [2024-02-07 14:47:02,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 50 transitions, 185 flow [2024-02-07 14:47:02,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:47:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:47:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 96 transitions. [2024-02-07 14:47:02,837 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44036697247706424 [2024-02-07 14:47:02,839 INFO L175 Difference]: Start difference. First operand has 115 places, 106 transitions, 221 flow. Second operand 2 states and 96 transitions. [2024-02-07 14:47:02,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 50 transitions, 185 flow [2024-02-07 14:47:02,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 50 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:47:02,844 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 106 flow [2024-02-07 14:47:02,845 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=106, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-02-07 14:47:02,848 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -57 predicate places. [2024-02-07 14:47:02,848 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 106 flow [2024-02-07 14:47:02,848 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 14:47:02,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:02,848 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:02,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:47:02,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 126 more)] === [2024-02-07 14:47:02,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash -16577444, now seen corresponding path program 1 times [2024-02-07 14:47:02,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:02,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562748573] [2024-02-07 14:47:02,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:02,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:02,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:02,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:02,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562748573] [2024-02-07 14:47:02,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562748573] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:02,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:02,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:02,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113043518] [2024-02-07 14:47:02,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:02,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:47:02,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:02,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:47:02,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:47:02,965 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 109 [2024-02-07 14:47:02,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 106 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 14:47:02,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:02,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 109 [2024-02-07 14:47:02,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:47:04,041 INFO L124 PetriNetUnfolderBase]: 9104/13927 cut-off events. [2024-02-07 14:47:04,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:04,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26993 conditions, 13927 events. 9104/13927 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 978. Compared 101554 event pairs, 4138 based on Foata normal form. 0/7884 useless extension candidates. Maximal degree in co-relation 26990. Up to 7483 conditions per place. [2024-02-07 14:47:04,119 INFO L140 encePairwiseOnDemand]: 103/109 looper letters, 66 selfloop transitions, 3 changer transitions 0/81 dead transitions. [2024-02-07 14:47:04,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 81 transitions, 310 flow [2024-02-07 14:47:04,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:47:04,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:47:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2024-02-07 14:47:04,122 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3577981651376147 [2024-02-07 14:47:04,122 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 106 flow. Second operand 3 states and 117 transitions. [2024-02-07 14:47:04,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 81 transitions, 310 flow [2024-02-07 14:47:04,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 81 transitions, 310 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:47:04,124 INFO L231 Difference]: Finished difference. Result has 61 places, 52 transitions, 129 flow [2024-02-07 14:47:04,124 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=129, PETRI_PLACES=61, PETRI_TRANSITIONS=52} [2024-02-07 14:47:04,125 INFO L281 CegarLoopForPetriNet]: 115 programPoint places, -54 predicate places. [2024-02-07 14:47:04,125 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 52 transitions, 129 flow [2024-02-07 14:47:04,125 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 14:47:04,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:04,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:47:04,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:47:04,126 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 126 more)] === [2024-02-07 14:47:04,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:04,126 INFO L85 PathProgramCache]: Analyzing trace with hash -34624800, now seen corresponding path program 1 times [2024-02-07 14:47:04,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:04,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403491925] [2024-02-07 14:47:04,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:04,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:47:04,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:47:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:47:04,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:47:04,172 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:47:04,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 129 remaining) [2024-02-07 14:47:04,174 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 129 remaining) [2024-02-07 14:47:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 129 remaining) [2024-02-07 14:47:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 129 remaining) [2024-02-07 14:47:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 129 remaining) [2024-02-07 14:47:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 129 remaining) [2024-02-07 14:47:04,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 129 remaining) [2024-02-07 14:47:04,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 129 remaining) [2024-02-07 14:47:04,177 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 129 remaining) [2024-02-07 14:47:04,178 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (101 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 129 remaining) [2024-02-07 14:47:04,179 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 129 remaining) [2024-02-07 14:47:04,180 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 129 remaining) [2024-02-07 14:47:04,181 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 129 remaining) [2024-02-07 14:47:04,182 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 129 remaining) [2024-02-07 14:47:04,183 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 129 remaining) [2024-02-07 14:47:04,184 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 129 remaining) [2024-02-07 14:47:04,185 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (58 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (57 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (56 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (55 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 129 remaining) [2024-02-07 14:47:04,186 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 129 remaining) [2024-02-07 14:47:04,187 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 129 remaining) [2024-02-07 14:47:04,188 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 129 remaining) [2024-02-07 14:47:04,189 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (29 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 129 remaining) [2024-02-07 14:47:04,190 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 129 remaining) [2024-02-07 14:47:04,191 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 129 remaining) [2024-02-07 14:47:04,192 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err26ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err27ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 129 remaining) [2024-02-07 14:47:04,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err28ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err29ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err30ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err31ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err32ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err33ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 129 remaining) [2024-02-07 14:47:04,194 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err34ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 129 remaining) [2024-02-07 14:47:04,195 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err35ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 129 remaining) [2024-02-07 14:47:04,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:47:04,195 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 14:47:04,201 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:47:04,201 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:47:04,221 INFO L503 ceAbstractionStarter]: Automizer considered 68 witness invariants [2024-02-07 14:47:04,221 INFO L504 ceAbstractionStarter]: WitnessConsidered=68 [2024-02-07 14:47:04,222 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:47:04 BasicIcfg [2024-02-07 14:47:04,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:47:04,222 INFO L158 Benchmark]: Toolchain (without parser) took 5878.35ms. Allocated memory was 178.3MB in the beginning and 715.1MB in the end (delta: 536.9MB). Free memory was 112.1MB in the beginning and 274.0MB in the end (delta: -161.9MB). Peak memory consumption was 378.0MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,222 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory was 143.5MB in the beginning and 143.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:47:04,222 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 178.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:47:04,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.72ms. Allocated memory is still 178.3MB. Free memory was 111.8MB in the beginning and 57.2MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.33ms. Allocated memory is still 178.3MB. Free memory was 57.2MB in the beginning and 53.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,223 INFO L158 Benchmark]: Boogie Preprocessor took 49.24ms. Allocated memory is still 178.3MB. Free memory was 53.1MB in the beginning and 48.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,223 INFO L158 Benchmark]: RCFGBuilder took 1136.03ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 48.4MB in the beginning and 128.1MB in the end (delta: -79.6MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,224 INFO L158 Benchmark]: TraceAbstraction took 3928.14ms. Allocated memory was 234.9MB in the beginning and 715.1MB in the end (delta: 480.2MB). Free memory was 128.1MB in the beginning and 274.0MB in the end (delta: -146.0MB). Peak memory consumption was 336.4MB. Max. memory is 16.1GB. [2024-02-07 14:47:04,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 178.3MB. Free memory was 143.5MB in the beginning and 143.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 178.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.72ms. Allocated memory is still 178.3MB. Free memory was 111.8MB in the beginning and 57.2MB in the end (delta: 54.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.33ms. Allocated memory is still 178.3MB. Free memory was 57.2MB in the beginning and 53.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.24ms. Allocated memory is still 178.3MB. Free memory was 53.1MB in the beginning and 48.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1136.03ms. Allocated memory was 178.3MB in the beginning and 234.9MB in the end (delta: 56.6MB). Free memory was 48.4MB in the beginning and 128.1MB in the end (delta: -79.6MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3928.14ms. Allocated memory was 234.9MB in the beginning and 715.1MB in the end (delta: 480.2MB). Free memory was 128.1MB in the beginning and 274.0MB in the end (delta: -146.0MB). Peak memory consumption was 336.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 764]: 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_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L841] 0 pthread_t t500; [L842] FCALL, FORK 0 pthread_create(&t500, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t500={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L843] 0 pthread_t t501; [L844] FCALL, FORK 0 pthread_create(&t501, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t500={5:0}, t501={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L760] 2 x = 2 [L761] 2 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L763] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L764] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] - UnprovableResult [Line: 746]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 749]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 753]: 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: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 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: 790]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 798]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 811]: 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: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 850]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 857]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 861]: 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: 844]: 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: 846]: 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: 842]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 190 locations, 129 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: 3.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 0 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:47:04,256 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