./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.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/mix051_pso.opt_rmo.opt_tso.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/mix051_pso.opt_rmo.opt_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix051_pso.opt_rmo.opt_tso.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 14:49:57,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:49:57,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:49:57,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:49:57,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:49:57,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:49:57,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:49:57,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:49:57,984 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:49:57,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:49:57,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:49:57,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:49:57,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:49:57,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:49:57,988 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:49:57,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:49:57,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:49:57,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:49:57,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:49:57,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:49:57,990 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:49:57,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:49:57,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:49:57,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:49:57,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:49:57,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:49:57,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:49:57,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:49:57,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:49:57,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:49:57,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:49:57,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:49:57,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:49:57,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:49:57,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:49:57,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:49:57,994 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:49:57,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:49:57,994 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:49:57,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:49:57,995 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:49:57,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:49:57,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:49:57,996 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:49:58,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:49:58,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:49:58,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:49:58,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:49:58,232 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:49:58,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2024-02-07 14:49:59,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:49:59,550 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:49:59,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2024-02-07 14:49:59,574 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733762fd4/bc32a16e9e724b2897a4b428ec3447e7/FLAG9ff18878d [2024-02-07 14:49:59,586 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/733762fd4/bc32a16e9e724b2897a4b428ec3447e7 [2024-02-07 14:49:59,588 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:49:59,588 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:49:59,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix051_pso.opt_rmo.opt_tso.opt.yml/witness.yml [2024-02-07 14:49:59,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:49:59,703 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:49:59,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:49:59,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:49:59,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:49:59,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:59" (1/2) ... [2024-02-07 14:49:59,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b086616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:59, skipping insertion in model container [2024-02-07 14:49:59,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:49:59" (1/2) ... [2024-02-07 14:49:59,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@689e2a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:49:59, skipping insertion in model container [2024-02-07 14:49:59,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:59" (2/2) ... [2024-02-07 14:49:59,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b086616 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:49:59, skipping insertion in model container [2024-02-07 14:49:59,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:59" (2/2) ... [2024-02-07 14:49:59,713 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:49:59,832 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:49:59,833 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,833 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:49:59,833 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:49:59,834 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] 0 <= __unbuffered_cnt [2024-02-07 14:49:59,834 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] 1 <= __unbuffered_cnt [2024-02-07 14:49:59,834 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] 0 <= __unbuffered_cnt [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:59,835 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] 0 <= __unbuffered_cnt [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,836 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:49:59,837 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] y == 1 [2024-02-07 14:49:59,837 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,837 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,837 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] x == 2 [2024-02-07 14:49:59,837 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] ((((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (x == 2)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)) && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p2_EAX == 0 || ((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 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:49:59,838 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] 0 <= __unbuffered_cnt [2024-02-07 14:49:59,839 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:49:59,839 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:59,839 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:49:59,839 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:49:59,839 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] x == 1 [2024-02-07 14:49:59,840 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] 1 <= __unbuffered_cnt [2024-02-07 14:49:59,840 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] 1 <= __unbuffered_cnt [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] a == 1 [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] z$flush_delayed == (_Bool)0 [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:49:59,841 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:49:59,842 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:49:59,842 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:49:59,842 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:49:59,842 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:49:59,842 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] 0 <= __unbuffered_cnt [2024-02-07 14:49:59,843 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:49:59,843 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:49:59,843 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:49:59,843 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,844 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 14:49:59,844 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] 1 <= __unbuffered_cnt [2024-02-07 14:49:59,845 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:49:59,845 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:49:59,845 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:49:59,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:50:00,035 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/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] [2024-02-07 14:50:00,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:50:00,230 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:50:00,308 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/mix051_pso.opt_rmo.opt_tso.opt.i[964,977] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:50:00,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:50:00,451 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:50:00,451 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:50:00 WrapperNode [2024-02-07 14:50:00,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:50:00,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:50:00,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:50:00,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:50:00,458 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,477 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,503 INFO L138 Inliner]: procedures = 177, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2024-02-07 14:50:00,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:50:00,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:50:00,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:50:00,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:50:00,518 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,518 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,522 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,554 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:50:00,556 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,556 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,568 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,582 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,584 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,585 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:50:00,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:50:00,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:50:00,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:50:00,590 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 02:50:00" (1/1) ... [2024-02-07 14:50:00,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:50:00,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:50:00,634 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 14:50:00,686 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 14:50:00,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:50:00,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:50:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:50:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:50:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:50:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:50:00,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:50:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:50:00,716 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:50:00,716 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:50:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:50:00,717 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:50:00,717 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:50:00,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:50:00,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:50:00,720 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 14:50:00,871 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:50:00,873 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:50:01,301 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:50:01,301 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:50:01,598 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:50:01,598 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:50:01,599 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:50:01 BoogieIcfgContainer [2024-02-07 14:50:01,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:50:01,601 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:50:01,601 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:50:01,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:50:01,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:49:59" (1/4) ... [2024-02-07 14:50:01,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1ff583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:50:01, skipping insertion in model container [2024-02-07 14:50:01,605 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:49:59" (2/4) ... [2024-02-07 14:50:01,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1ff583 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:50:01, skipping insertion in model container [2024-02-07 14:50:01,606 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 02:50:00" (3/4) ... [2024-02-07 14:50:01,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a1ff583 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:50:01, skipping insertion in model container [2024-02-07 14:50:01,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:50:01" (4/4) ... [2024-02-07 14:50:01,608 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_pso.opt_rmo.opt_tso.opt.i [2024-02-07 14:50:01,627 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:50:01,627 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 63 error locations. [2024-02-07 14:50:01,627 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:50:01,717 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:50:01,756 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 110 transitions, 236 flow [2024-02-07 14:50:01,804 INFO L124 PetriNetUnfolderBase]: 1/106 cut-off events. [2024-02-07 14:50:01,805 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:50:01,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 106 events. 1/106 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 544 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2024-02-07 14:50:01,808 INFO L82 GeneralOperation]: Start removeDead. Operand has 122 places, 110 transitions, 236 flow [2024-02-07 14:50:01,812 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 106 transitions, 224 flow [2024-02-07 14:50:01,822 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:50:01,827 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;@5aa9d040, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:50:01,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2024-02-07 14:50:01,831 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:50:01,831 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:50:01,832 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:50:01,832 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:01,832 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:50:01,833 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-02-07 14:50:01,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:01,839 INFO L85 PathProgramCache]: Analyzing trace with hash 21579007, now seen corresponding path program 1 times [2024-02-07 14:50:01,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:01,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495863858] [2024-02-07 14:50:01,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:01,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:50:02,024 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 14:50:02,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:50:02,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495863858] [2024-02-07 14:50:02,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495863858] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:50:02,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:50:02,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:50:02,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980489246] [2024-02-07 14:50:02,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:50:02,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:50:02,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:50:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:50:02,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:50:02,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 110 [2024-02-07 14:50:02,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 106 transitions, 224 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:02,062 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:50:02,062 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 110 [2024-02-07 14:50:02,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:50:14,463 INFO L124 PetriNetUnfolderBase]: 111879/163395 cut-off events. [2024-02-07 14:50:14,464 INFO L125 PetriNetUnfolderBase]: For 520/520 co-relation queries the response was YES. [2024-02-07 14:50:14,817 INFO L83 FinitePrefix]: Finished finitePrefix Result has 310251 conditions, 163395 events. 111879/163395 cut-off events. For 520/520 co-relation queries the response was YES. Maximal size of possible extension queue 8238. Compared 1401369 event pairs, 111879 based on Foata normal form. 2520/93142 useless extension candidates. Maximal degree in co-relation 310239. Up to 145745 conditions per place. [2024-02-07 14:50:15,688 INFO L140 encePairwiseOnDemand]: 78/110 looper letters, 46 selfloop transitions, 0 changer transitions 0/60 dead transitions. [2024-02-07 14:50:15,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 60 transitions, 224 flow [2024-02-07 14:50:15,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:50:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:50:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 114 transitions. [2024-02-07 14:50:15,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5181818181818182 [2024-02-07 14:50:15,699 INFO L175 Difference]: Start difference. First operand has 118 places, 106 transitions, 224 flow. Second operand 2 states and 114 transitions. [2024-02-07 14:50:15,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 60 transitions, 224 flow [2024-02-07 14:50:15,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 220 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:50:15,706 INFO L231 Difference]: Finished difference. Result has 70 places, 60 transitions, 128 flow [2024-02-07 14:50:15,708 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=128, PETRI_PLACES=70, PETRI_TRANSITIONS=60} [2024-02-07 14:50:15,710 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -48 predicate places. [2024-02-07 14:50:15,711 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 60 transitions, 128 flow [2024-02-07 14:50:15,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:15,711 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:15,711 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:50:15,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:50:15,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-02-07 14:50:15,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:15,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1384125268, now seen corresponding path program 1 times [2024-02-07 14:50:15,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:15,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535655468] [2024-02-07 14:50:15,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:15,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:50:15,778 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 14:50:15,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:50:15,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535655468] [2024-02-07 14:50:15,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535655468] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:50:15,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:50:15,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:50:15,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029262029] [2024-02-07 14:50:15,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:50:15,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:50:15,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:50:15,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:50:15,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:50:15,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 110 [2024-02-07 14:50:15,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 60 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:15,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:50:15,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 110 [2024-02-07 14:50:15,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:50:23,834 INFO L124 PetriNetUnfolderBase]: 86977/118099 cut-off events. [2024-02-07 14:50:23,835 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:50:24,104 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233126 conditions, 118099 events. 86977/118099 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5939. Compared 855932 event pairs, 28175 based on Foata normal form. 0/68299 useless extension candidates. Maximal degree in co-relation 233123. Up to 87273 conditions per place. [2024-02-07 14:50:24,563 INFO L140 encePairwiseOnDemand]: 102/110 looper letters, 79 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-02-07 14:50:24,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 97 transitions, 374 flow [2024-02-07 14:50:24,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:50:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:50:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 141 transitions. [2024-02-07 14:50:24,569 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42727272727272725 [2024-02-07 14:50:24,569 INFO L175 Difference]: Start difference. First operand has 70 places, 60 transitions, 128 flow. Second operand 3 states and 141 transitions. [2024-02-07 14:50:24,569 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 97 transitions, 374 flow [2024-02-07 14:50:24,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 97 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:50:24,572 INFO L231 Difference]: Finished difference. Result has 73 places, 63 transitions, 160 flow [2024-02-07 14:50:24,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=160, PETRI_PLACES=73, PETRI_TRANSITIONS=63} [2024-02-07 14:50:24,573 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -45 predicate places. [2024-02-07 14:50:24,573 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 63 transitions, 160 flow [2024-02-07 14:50:24,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:24,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:24,574 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:50:24,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:50:24,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-02-07 14:50:24,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1452102340, now seen corresponding path program 1 times [2024-02-07 14:50:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:24,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531687920] [2024-02-07 14:50:24,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:50:24,691 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 14:50:24,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:50:24,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531687920] [2024-02-07 14:50:24,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531687920] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:50:24,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:50:24,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:50:24,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815277076] [2024-02-07 14:50:24,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:50:24,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:50:24,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:50:24,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:50:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:50:24,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 110 [2024-02-07 14:50:24,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 63 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:24,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:50:24,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 110 [2024-02-07 14:50:24,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:50:32,691 INFO L124 PetriNetUnfolderBase]: 85843/115587 cut-off events. [2024-02-07 14:50:32,692 INFO L125 PetriNetUnfolderBase]: For 10346/10346 co-relation queries the response was YES. [2024-02-07 14:50:33,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 251655 conditions, 115587 events. 85843/115587 cut-off events. For 10346/10346 co-relation queries the response was YES. Maximal size of possible extension queue 5772. Compared 858280 event pairs, 10015 based on Foata normal form. 0/68846 useless extension candidates. Maximal degree in co-relation 251650. Up to 106270 conditions per place. [2024-02-07 14:50:33,445 INFO L140 encePairwiseOnDemand]: 107/110 looper letters, 77 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-02-07 14:50:33,445 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 93 transitions, 396 flow [2024-02-07 14:50:33,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:50:33,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:50:33,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 129 transitions. [2024-02-07 14:50:33,446 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-02-07 14:50:33,447 INFO L175 Difference]: Start difference. First operand has 73 places, 63 transitions, 160 flow. Second operand 3 states and 129 transitions. [2024-02-07 14:50:33,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 93 transitions, 396 flow [2024-02-07 14:50:33,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 93 transitions, 390 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-02-07 14:50:33,452 INFO L231 Difference]: Finished difference. Result has 75 places, 63 transitions, 164 flow [2024-02-07 14:50:33,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=75, PETRI_TRANSITIONS=63} [2024-02-07 14:50:33,453 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -43 predicate places. [2024-02-07 14:50:33,453 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 63 transitions, 164 flow [2024-02-07 14:50:33,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:50:33,453 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:33,453 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:50:33,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:50:33,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-02-07 14:50:33,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:33,454 INFO L85 PathProgramCache]: Analyzing trace with hash 305515819, now seen corresponding path program 1 times [2024-02-07 14:50:33,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:33,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069188377] [2024-02-07 14:50:33,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:33,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:50:33,691 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 14:50:33,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:50:33,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069188377] [2024-02-07 14:50:33,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069188377] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:50:33,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:50:33,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:50:33,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118661986] [2024-02-07 14:50:33,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:50:33,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:50:33,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:50:33,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:50:33,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:50:33,694 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 110 [2024-02-07 14:50:33,694 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 63 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 14:50:33,694 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:50:33,694 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 110 [2024-02-07 14:50:33,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:50:36,365 INFO L124 PetriNetUnfolderBase]: 27911/40899 cut-off events. [2024-02-07 14:50:36,365 INFO L125 PetriNetUnfolderBase]: For 6364/6364 co-relation queries the response was YES. [2024-02-07 14:50:36,464 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89549 conditions, 40899 events. 27911/40899 cut-off events. For 6364/6364 co-relation queries the response was YES. Maximal size of possible extension queue 1963. Compared 294533 event pairs, 13287 based on Foata normal form. 0/29158 useless extension candidates. Maximal degree in co-relation 89543. Up to 19843 conditions per place. [2024-02-07 14:50:36,603 INFO L140 encePairwiseOnDemand]: 101/110 looper letters, 73 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-02-07 14:50:36,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 89 transitions, 391 flow [2024-02-07 14:50:36,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:50:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:50:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 130 transitions. [2024-02-07 14:50:36,605 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3939393939393939 [2024-02-07 14:50:36,605 INFO L175 Difference]: Start difference. First operand has 75 places, 63 transitions, 164 flow. Second operand 3 states and 130 transitions. [2024-02-07 14:50:36,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 89 transitions, 391 flow [2024-02-07 14:50:36,609 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 89 transitions, 385 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:50:36,610 INFO L231 Difference]: Finished difference. Result has 74 places, 61 transitions, 172 flow [2024-02-07 14:50:36,610 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=110, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=172, PETRI_PLACES=74, PETRI_TRANSITIONS=61} [2024-02-07 14:50:36,611 INFO L281 CegarLoopForPetriNet]: 118 programPoint places, -44 predicate places. [2024-02-07 14:50:36,611 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 61 transitions, 172 flow [2024-02-07 14:50:36,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 14:50:36,611 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:50:36,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:50:36,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:50:36,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-02-07 14:50:36,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:50:36,612 INFO L85 PathProgramCache]: Analyzing trace with hash 305515809, now seen corresponding path program 1 times [2024-02-07 14:50:36,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:50:36,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483421978] [2024-02-07 14:50:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:50:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:50:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:50:36,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:50:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:50:36,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:50:36,653 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:50:36,654 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 116 remaining) [2024-02-07 14:50:36,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 116 remaining) [2024-02-07 14:50:36,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 116 remaining) [2024-02-07 14:50:36,656 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 116 remaining) [2024-02-07 14:50:36,657 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 116 remaining) [2024-02-07 14:50:36,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 116 remaining) [2024-02-07 14:50:36,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 116 remaining) [2024-02-07 14:50:36,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 116 remaining) [2024-02-07 14:50:36,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 116 remaining) [2024-02-07 14:50:36,658 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 116 remaining) [2024-02-07 14:50:36,659 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 116 remaining) [2024-02-07 14:50:36,660 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 116 remaining) [2024-02-07 14:50:36,661 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (83 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 116 remaining) [2024-02-07 14:50:36,662 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 116 remaining) [2024-02-07 14:50:36,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 116 remaining) [2024-02-07 14:50:36,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 116 remaining) [2024-02-07 14:50:36,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 116 remaining) [2024-02-07 14:50:36,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 116 remaining) [2024-02-07 14:50:36,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 116 remaining) [2024-02-07 14:50:36,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 116 remaining) [2024-02-07 14:50:36,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 116 remaining) [2024-02-07 14:50:36,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (52 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 116 remaining) [2024-02-07 14:50:36,667 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 116 remaining) [2024-02-07 14:50:36,668 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 116 remaining) [2024-02-07 14:50:36,669 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 116 remaining) [2024-02-07 14:50:36,670 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 116 remaining) [2024-02-07 14:50:36,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONERROR_FUNCTION (17 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 116 remaining) [2024-02-07 14:50:36,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 116 remaining) [2024-02-07 14:50:36,673 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 116 remaining) [2024-02-07 14:50:36,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 116 remaining) [2024-02-07 14:50:36,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 116 remaining) [2024-02-07 14:50:36,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 116 remaining) [2024-02-07 14:50:36,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 116 remaining) [2024-02-07 14:50:36,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 116 remaining) [2024-02-07 14:50:36,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-02-07 14:50:36,675 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-02-07 14:50:36,697 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:50:36,698 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:50:36,738 INFO L503 ceAbstractionStarter]: Automizer considered 61 witness invariants [2024-02-07 14:50:36,738 INFO L504 ceAbstractionStarter]: WitnessConsidered=61 [2024-02-07 14:50:36,740 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:50:36 BasicIcfg [2024-02-07 14:50:36,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:50:36,740 INFO L158 Benchmark]: Toolchain (without parser) took 37037.21ms. Allocated memory was 161.5MB in the beginning and 14.9GB in the end (delta: 14.7GB). Free memory was 96.9MB in the beginning and 12.4GB in the end (delta: -12.3GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-02-07 14:50:36,740 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:50:36,740 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:50:36,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.74ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 96.9MB in the beginning and 207.2MB in the end (delta: -110.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-02-07 14:50:36,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.91ms. Allocated memory is still 251.7MB. Free memory was 207.2MB in the beginning and 204.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:50:36,741 INFO L158 Benchmark]: Boogie Preprocessor took 80.88ms. Allocated memory is still 251.7MB. Free memory was 204.0MB in the beginning and 199.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:50:36,741 INFO L158 Benchmark]: RCFGBuilder took 1010.26ms. Allocated memory is still 251.7MB. Free memory was 199.8MB in the beginning and 208.0MB in the end (delta: -8.2MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. [2024-02-07 14:50:36,743 INFO L158 Benchmark]: TraceAbstraction took 35138.51ms. Allocated memory was 251.7MB in the beginning and 14.9GB in the end (delta: 14.6GB). Free memory was 208.0MB in the beginning and 12.4GB in the end (delta: -12.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-02-07 14:50:36,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 161.5MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.74ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 96.9MB in the beginning and 207.2MB in the end (delta: -110.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.91ms. Allocated memory is still 251.7MB. Free memory was 207.2MB in the beginning and 204.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.88ms. Allocated memory is still 251.7MB. Free memory was 204.0MB in the beginning and 199.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.26ms. Allocated memory is still 251.7MB. Free memory was 199.8MB in the beginning and 208.0MB in the end (delta: -8.2MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB. * TraceAbstraction took 35138.51ms. Allocated memory was 251.7MB in the beginning and 14.9GB in the end (delta: 14.6GB). Free memory was 208.0MB in the beginning and 12.4GB in the end (delta: -12.2GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 784]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L726] 0 int z = 0; [L727] 0 _Bool z$flush_delayed; [L728] 0 int z$mem_tmp; [L729] 0 _Bool z$r_buff0_thd0; [L730] 0 _Bool z$r_buff0_thd1; [L731] 0 _Bool z$r_buff0_thd2; [L732] 0 _Bool z$r_buff0_thd3; [L733] 0 _Bool z$r_buff0_thd4; [L734] 0 _Bool z$r_buff1_thd0; [L735] 0 _Bool z$r_buff1_thd1; [L736] 0 _Bool z$r_buff1_thd2; [L737] 0 _Bool z$r_buff1_thd3; [L738] 0 _Bool z$r_buff1_thd4; [L739] 0 _Bool z$read_delayed; [L740] 0 int *z$read_delayed_var; [L741] 0 int z$w_buff0; [L742] 0 _Bool z$w_buff0_used; [L743] 0 int z$w_buff1; [L744] 0 _Bool z$w_buff1_used; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1365; [L847] FCALL, FORK 0 pthread_create(&t1365, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1365={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L848] 0 pthread_t t1366; [L849] FCALL, FORK 0 pthread_create(&t1366, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1365={5:0}, t1366={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L850] 0 pthread_t t1367; [L851] FCALL, FORK 0 pthread_create(&t1367, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1365={5:0}, t1366={6:0}, t1367={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L780] 3 y = 1 [L781] 3 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[1]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L783] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L784] 3 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=0, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] - UnprovableResult [Line: 751]: 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: 758]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: 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: 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: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 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: 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: 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: 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: 812]: 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: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 824]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 827]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 828]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 847]: 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: 851]: 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: 853]: 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: 849]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 191 locations, 116 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: 34.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 34.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 86 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 302 IncrementalHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 0 mSDtfsCounter, 302 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 119 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 14:50:36,788 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