./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix026.oepc.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/mix026.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix026.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026.oepc.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:26:23,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:26:23,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:26:23,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:26:23,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:26:23,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:26:23,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:26:23,404 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:26:23,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:26:23,408 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:26:23,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:26:23,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:26:23,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:26:23,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:26:23,411 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:26:23,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:26:23,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:26:23,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:26:23,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:26:23,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:26:23,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:26:23,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:26:23,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:26:23,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:26:23,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:26:23,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:26:23,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:26:23,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:26:23,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:26:23,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:26:23,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:26:23,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:26:23,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:23,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:26:23,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:26:23,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:26:23,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:26:23,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:26:23,418 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:26:23,418 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:26:23,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:26:23,419 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:26:23,419 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:26:23,419 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:26:23,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:26:23,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:26:23,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:26:23,710 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:26:23,711 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:26:23,712 INFO L431 ainManager$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/mix026.oepc.yml/witness.yml [2024-02-07 19:26:23,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:26:23,870 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:26:23,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026.oepc.i [2024-02-07 19:26:25,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:26:25,681 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:26:25,681 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026.oepc.i [2024-02-07 19:26:25,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02392be14/b2b577db9f1841069575302da9da1220/FLAG9d5a39fa2 [2024-02-07 19:26:25,705 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02392be14/b2b577db9f1841069575302da9da1220 [2024-02-07 19:26:25,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:26:25,707 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:26:25,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:25,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:26:25,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:26:25,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:23" (1/2) ... [2024-02-07 19:26:25,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f29d7aa and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:25, skipping insertion in model container [2024-02-07 19:26:25,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:23" (1/2) ... [2024-02-07 19:26:25,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@267f4419 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:25, skipping insertion in model container [2024-02-07 19:26:25,715 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:25" (2/2) ... [2024-02-07 19:26:25,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f29d7aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:25, skipping insertion in model container [2024-02-07 19:26:25,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:25" (2/2) ... [2024-02-07 19:26:25,716 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:26:25,934 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:26:25,935 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (a$r_buff0_thd2 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,935 INFO L76 edCorrectnessWitness]: Location invariant before [L886-L886] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (z == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p3_EAX == 2 || (((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || ((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || (((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2))) [2024-02-07 19:26:25,935 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:26:25,936 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] 0 <= __unbuffered_cnt [2024-02-07 19:26:25,936 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] a$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:26:25,936 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] (a$r_buff1_thd0 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd0 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,936 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] a$r_buff0_thd1 == (_Bool)1 [2024-02-07 19:26:25,936 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] 0 <= __unbuffered_cnt [2024-02-07 19:26:25,962 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] 0 <= __unbuffered_cnt [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] a$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (a$r_buff0_thd4 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] (a$r_buff0_thd2 == (_Bool)0) && (a$r_buff1_thd1 == (_Bool)0 || a$r_buff1_thd1 == (_Bool)1) [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (a$r_buff1_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L887-L887] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:25,968 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (a$r_buff0_thd4 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (((0 <= a) && (a <= 1)) && (a$r_buff1_thd4 == (_Bool)0)) && (a == 0 || a == 1) [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (a$r_buff1_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] a$flush_delayed == (_Bool)0 [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] (a$r_buff0_thd0 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,969 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] (a$r_buff1_thd0 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd0 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] (a$w_buff1_used == (_Bool)1 && (a$r_buff1_thd1 == (_Bool)0 || a$r_buff1_thd1 == (_Bool)1)) || (a$w_buff0_used == (_Bool)1 && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1)) [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (a$r_buff0_thd2 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] a$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (a$r_buff1_thd3 == (_Bool)0 && a$w_buff1_used == (_Bool)1) || (a$r_buff0_thd3 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] 0 <= __unbuffered_cnt [2024-02-07 19:26:25,970 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] z == 1 [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] ((0 <= a$w_buff1) && (a$w_buff1 <= 1)) && (a$w_buff1 == 0 || a$w_buff1 == 1) [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (a$w_buff0_used == (_Bool)1) && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1) [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] (((0 <= a) && (a <= 1)) && (a == 0 || a == 1)) && (a$flush_delayed == (_Bool)0 || a$flush_delayed == (_Bool)1) [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] x == 1 [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] z == 2 [2024-02-07 19:26:25,971 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] (a$r_buff0_thd4 == (_Bool)0) && (a$r_buff1_thd3 == (_Bool)0) [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] a$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] (a$r_buff0_thd3 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L888-L888] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:25,972 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] ((((0LL - (long long )a$w_buff0_used) + (long long )a$w_buff1_used >= 0LL) && ((long long )a$w_buff0_used + (long long )a$w_buff1_used >= 0LL)) && ((0LL - (long long )a$w_buff0_used) - (long long )a$w_buff1_used >= 0LL)) && ((long long )a$w_buff0_used - (long long )a$w_buff1_used >= 0LL) [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] (a$r_buff0_thd3 == (_Bool)0) && (a$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (a$r_buff0_thd3 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] y == 1 [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:25,973 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] ((0 <= a$w_buff0) && (a$w_buff0 <= 1)) && (a$w_buff0 == 0 || a$w_buff0 == 1) [2024-02-07 19:26:25,974 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (a$r_buff1_thd3 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd3 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,974 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:26:25,974 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] (a$r_buff1_thd0 == (_Bool)0) && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1) [2024-02-07 19:26:25,974 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] a$r_buff1_thd1 == (_Bool)0 || a$r_buff1_thd1 == (_Bool)1 [2024-02-07 19:26:25,975 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,975 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:26:25,975 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (a$r_buff1_thd3 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd3 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,975 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] a$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:25,976 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,976 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,976 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (a$r_buff1_thd4 == (_Bool)0 && a$w_buff1_used == (_Bool)1) || (a$r_buff0_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,977 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] (a$w_buff0_used == (_Bool)1) && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1) [2024-02-07 19:26:25,977 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] 1 <= __unbuffered_cnt [2024-02-07 19:26:25,977 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] (a$r_buff0_thd0 == (_Bool)0) && (a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (a$r_buff1_thd1 == (_Bool)0 || a$r_buff1_thd1 == (_Bool)1) && (((a$w_buff1_used == (_Bool)1 && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1)) || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) || (a$w_buff0_used == (_Bool)1 && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1))) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (a$r_buff1_thd2 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd2 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] (a$w_buff0 == 1) && (a$w_buff0_used == (_Bool)0 || a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] 1 <= __unbuffered_cnt [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (a$r_buff1_thd0 == (_Bool)0 && a$w_buff1_used == (_Bool)1) || (a$r_buff0_thd0 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:26:25,978 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (a$r_buff1_thd2 == (_Bool)0 && a$w_buff1_used == (_Bool)1) || (a$r_buff0_thd2 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] (a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)1) [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] a$r_buff1_thd2 == (_Bool)0 [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (a$r_buff1_thd1 == (_Bool)0 || a$r_buff1_thd1 == (_Bool)1) && (((a$w_buff1_used == (_Bool)1 && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1)) || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) || (a$w_buff0_used == (_Bool)1 && (a$r_buff0_thd1 == (_Bool)0 || a$r_buff0_thd1 == (_Bool)1))) [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1 [2024-02-07 19:26:25,979 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,980 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (a$r_buff1_thd2 == (_Bool)0 && (a$w_buff1_used == (_Bool)1 || (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd2 == (_Bool)0 && a$w_buff0_used == (_Bool)1) [2024-02-07 19:26:25,980 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:26:25,980 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,981 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] ((((a$r_buff1_thd4 == (_Bool)0 && a$w_buff0_used == (_Bool)1) && a$w_buff1_used == (_Bool)1) || a$r_buff0_thd4 == (_Bool)0) || (((a$r_buff0_thd4 == (_Bool)0 && a$r_buff1_thd4 == (_Bool)0) && a$w_buff0_used == (_Bool)1) && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1))) || (a$r_buff0_thd4 == (_Bool)0 && (a$w_buff1_used == (_Bool)0 || a$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:25,981 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 19:26:25,981 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:26:25,981 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] 1 <= __unbuffered_cnt [2024-02-07 19:26:26,039 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:26:26,222 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/mix026.oepc.i[945,958] [2024-02-07 19:26:26,413 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:26,428 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:26:26,463 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/mix026.oepc.i[945,958] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:26:26,627 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:26,681 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:26:26,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26 WrapperNode [2024-02-07 19:26:26,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:26,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:26,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:26:26,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:26:26,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,712 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,744 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2024-02-07 19:26:26,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:26,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:26:26,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:26:26,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:26:26,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,798 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 19:26:26,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:26:26,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:26:26,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:26:26,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:26:26,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (1/1) ... [2024-02-07 19:26:26,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:26,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:26:26,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:26:26,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:26:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:26:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:26:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:26:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:26:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:26:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:26:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:26:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:26:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:26:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:26:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:26:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:26:26,939 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:26:27,128 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:26:27,130 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:26:27,739 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:26:27,739 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:26:28,201 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:26:28,202 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:26:28,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:28 BoogieIcfgContainer [2024-02-07 19:26:28,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:26:28,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:26:28,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:26:28,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:26:28,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:23" (1/4) ... [2024-02-07 19:26:28,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555bed9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:28, skipping insertion in model container [2024-02-07 19:26:28,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:26:25" (2/4) ... [2024-02-07 19:26:28,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555bed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:28, skipping insertion in model container [2024-02-07 19:26:28,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:26" (3/4) ... [2024-02-07 19:26:28,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@555bed9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:28, skipping insertion in model container [2024-02-07 19:26:28,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:28" (4/4) ... [2024-02-07 19:26:28,217 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026.oepc.i [2024-02-07 19:26:28,234 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:26:28,234 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2024-02-07 19:26:28,235 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:26:28,364 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:26:28,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 133 transitions, 282 flow [2024-02-07 19:26:28,503 INFO L124 PetriNetUnfolderBase]: 1/129 cut-off events. [2024-02-07 19:26:28,503 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:28,508 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 1/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 623 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 131. Up to 2 conditions per place. [2024-02-07 19:26:28,508 INFO L82 GeneralOperation]: Start removeDead. Operand has 145 places, 133 transitions, 282 flow [2024-02-07 19:26:28,513 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 129 transitions, 270 flow [2024-02-07 19:26:28,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:26:28,527 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;@72f2e07e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:26:28,527 INFO L358 AbstractCegarLoop]: Starting to check reachability of 157 error locations. [2024-02-07 19:26:28,529 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:26:28,529 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 19:26:28,529 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:28,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:28,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 19:26:28,531 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 154 more)] === [2024-02-07 19:26:28,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:28,535 INFO L85 PathProgramCache]: Analyzing trace with hash 26255, now seen corresponding path program 1 times [2024-02-07 19:26:28,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575865904] [2024-02-07 19:26:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:28,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:28,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:28,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575865904] [2024-02-07 19:26:28,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575865904] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:28,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:28,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:28,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98219952] [2024-02-07 19:26:28,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:28,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:28,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:28,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:28,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 133 [2024-02-07 19:26:28,886 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 129 transitions, 270 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:28,886 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:28,886 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 133 [2024-02-07 19:26:28,887 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:40,103 INFO L124 PetriNetUnfolderBase]: 78251/116654 cut-off events. [2024-02-07 19:26:40,104 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2024-02-07 19:26:40,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223991 conditions, 116654 events. 78251/116654 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 4487. Compared 942291 event pairs, 36571 based on Foata normal form. 1650/63019 useless extension candidates. Maximal degree in co-relation 223977. Up to 96671 conditions per place. [2024-02-07 19:26:40,990 INFO L140 encePairwiseOnDemand]: 73/133 looper letters, 85 selfloop transitions, 2 changer transitions 0/98 dead transitions. [2024-02-07 19:26:40,990 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 98 transitions, 391 flow [2024-02-07 19:26:40,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:26:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:26:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 216 transitions. [2024-02-07 19:26:41,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5413533834586466 [2024-02-07 19:26:41,004 INFO L175 Difference]: Start difference. First operand has 141 places, 129 transitions, 270 flow. Second operand 3 states and 216 transitions. [2024-02-07 19:26:41,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 98 transitions, 391 flow [2024-02-07 19:26:41,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 98 transitions, 384 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:26:41,012 INFO L231 Difference]: Finished difference. Result has 82 places, 70 transitions, 180 flow [2024-02-07 19:26:41,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=82, PETRI_TRANSITIONS=70} [2024-02-07 19:26:41,018 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -59 predicate places. [2024-02-07 19:26:41,018 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 70 transitions, 180 flow [2024-02-07 19:26:41,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:41,018 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:41,019 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:26:41,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:26:41,019 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 154 more)] === [2024-02-07 19:26:41,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:41,020 INFO L85 PathProgramCache]: Analyzing trace with hash 783189280, now seen corresponding path program 1 times [2024-02-07 19:26:41,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:41,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685121465] [2024-02-07 19:26:41,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:41,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:41,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:41,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:41,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685121465] [2024-02-07 19:26:41,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685121465] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:41,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:41,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:41,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765935572] [2024-02-07 19:26:41,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:41,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:26:41,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:41,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:26:41,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:26:41,112 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 133 [2024-02-07 19:26:41,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 70 transitions, 180 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:41,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:41,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 133 [2024-02-07 19:26:41,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:26:50,342 INFO L124 PetriNetUnfolderBase]: 73783/110763 cut-off events. [2024-02-07 19:26:50,342 INFO L125 PetriNetUnfolderBase]: For 6047/6047 co-relation queries the response was YES. [2024-02-07 19:26:50,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241485 conditions, 110763 events. 73783/110763 cut-off events. For 6047/6047 co-relation queries the response was YES. Maximal size of possible extension queue 4478. Compared 901268 event pairs, 32103 based on Foata normal form. 1371/69248 useless extension candidates. Maximal degree in co-relation 241472. Up to 96671 conditions per place. [2024-02-07 19:26:51,243 INFO L140 encePairwiseOnDemand]: 130/133 looper letters, 84 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-07 19:26:51,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 97 transitions, 412 flow [2024-02-07 19:26:51,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 19:26:51,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 19:26:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 135 transitions. [2024-02-07 19:26:51,250 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3383458646616541 [2024-02-07 19:26:51,251 INFO L175 Difference]: Start difference. First operand has 82 places, 70 transitions, 180 flow. Second operand 3 states and 135 transitions. [2024-02-07 19:26:51,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 97 transitions, 412 flow [2024-02-07 19:26:51,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 97 transitions, 408 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 19:26:51,257 INFO L231 Difference]: Finished difference. Result has 81 places, 69 transitions, 178 flow [2024-02-07 19:26:51,257 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=133, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=81, PETRI_TRANSITIONS=69} [2024-02-07 19:26:51,258 INFO L281 CegarLoopForPetriNet]: 141 programPoint places, -60 predicate places. [2024-02-07 19:26:51,258 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 69 transitions, 178 flow [2024-02-07 19:26:51,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:51,259 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:51,259 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:26:51,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:26:51,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 154 more)] === [2024-02-07 19:26:51,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:51,262 INFO L85 PathProgramCache]: Analyzing trace with hash 783189284, now seen corresponding path program 1 times [2024-02-07 19:26:51,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:51,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156560354] [2024-02-07 19:26:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:26:51,300 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:26:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:26:51,346 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:26:51,349 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:26:51,350 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (156 of 157 remaining) [2024-02-07 19:26:51,355 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (155 of 157 remaining) [2024-02-07 19:26:51,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (154 of 157 remaining) [2024-02-07 19:26:51,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (153 of 157 remaining) [2024-02-07 19:26:51,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (152 of 157 remaining) [2024-02-07 19:26:51,356 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (151 of 157 remaining) [2024-02-07 19:26:51,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (150 of 157 remaining) [2024-02-07 19:26:51,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONERROR_FUNCTION (149 of 157 remaining) [2024-02-07 19:26:51,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (148 of 157 remaining) [2024-02-07 19:26:51,357 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (147 of 157 remaining) [2024-02-07 19:26:51,358 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (146 of 157 remaining) [2024-02-07 19:26:51,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (145 of 157 remaining) [2024-02-07 19:26:51,361 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (144 of 157 remaining) [2024-02-07 19:26:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (143 of 157 remaining) [2024-02-07 19:26:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (142 of 157 remaining) [2024-02-07 19:26:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (141 of 157 remaining) [2024-02-07 19:26:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (140 of 157 remaining) [2024-02-07 19:26:51,362 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (139 of 157 remaining) [2024-02-07 19:26:51,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (138 of 157 remaining) [2024-02-07 19:26:51,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (137 of 157 remaining) [2024-02-07 19:26:51,363 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err19ASSERT_VIOLATIONWITNESS_INVARIANT (136 of 157 remaining) [2024-02-07 19:26:51,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err20ASSERT_VIOLATIONWITNESS_INVARIANT (135 of 157 remaining) [2024-02-07 19:26:51,364 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err21ASSERT_VIOLATIONWITNESS_INVARIANT (134 of 157 remaining) [2024-02-07 19:26:51,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err22ASSERT_VIOLATIONWITNESS_INVARIANT (133 of 157 remaining) [2024-02-07 19:26:51,365 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err23ASSERT_VIOLATIONWITNESS_INVARIANT (132 of 157 remaining) [2024-02-07 19:26:51,367 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (131 of 157 remaining) [2024-02-07 19:26:51,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (130 of 157 remaining) [2024-02-07 19:26:51,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (129 of 157 remaining) [2024-02-07 19:26:51,368 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (128 of 157 remaining) [2024-02-07 19:26:51,370 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (127 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 157 remaining) [2024-02-07 19:26:51,371 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 157 remaining) [2024-02-07 19:26:51,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 157 remaining) [2024-02-07 19:26:51,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 157 remaining) [2024-02-07 19:26:51,374 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 157 remaining) [2024-02-07 19:26:51,375 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 157 remaining) [2024-02-07 19:26:51,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 157 remaining) [2024-02-07 19:26:51,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 157 remaining) [2024-02-07 19:26:51,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 157 remaining) [2024-02-07 19:26:51,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 157 remaining) [2024-02-07 19:26:51,376 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 157 remaining) [2024-02-07 19:26:51,377 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 157 remaining) [2024-02-07 19:26:51,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 157 remaining) [2024-02-07 19:26:51,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 157 remaining) [2024-02-07 19:26:51,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 157 remaining) [2024-02-07 19:26:51,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 157 remaining) [2024-02-07 19:26:51,378 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 157 remaining) [2024-02-07 19:26:51,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 157 remaining) [2024-02-07 19:26:51,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 157 remaining) [2024-02-07 19:26:51,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 157 remaining) [2024-02-07 19:26:51,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 157 remaining) [2024-02-07 19:26:51,379 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 157 remaining) [2024-02-07 19:26:51,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 157 remaining) [2024-02-07 19:26:51,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (72 of 157 remaining) [2024-02-07 19:26:51,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 157 remaining) [2024-02-07 19:26:51,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 157 remaining) [2024-02-07 19:26:51,380 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (69 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (68 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 157 remaining) [2024-02-07 19:26:51,381 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 157 remaining) [2024-02-07 19:26:51,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONERROR_FUNCTION (62 of 157 remaining) [2024-02-07 19:26:51,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 157 remaining) [2024-02-07 19:26:51,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 157 remaining) [2024-02-07 19:26:51,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 157 remaining) [2024-02-07 19:26:51,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err10ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 157 remaining) [2024-02-07 19:26:51,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err11ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 157 remaining) [2024-02-07 19:26:51,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err12ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 157 remaining) [2024-02-07 19:26:51,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err13ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 157 remaining) [2024-02-07 19:26:51,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err14ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 157 remaining) [2024-02-07 19:26:51,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err15ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err16ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err17ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err18ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err19ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err20ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 157 remaining) [2024-02-07 19:26:51,384 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err21ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 157 remaining) [2024-02-07 19:26:51,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err22ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 157 remaining) [2024-02-07 19:26:51,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err23ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 157 remaining) [2024-02-07 19:26:51,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 157 remaining) [2024-02-07 19:26:51,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 157 remaining) [2024-02-07 19:26:51,385 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 157 remaining) [2024-02-07 19:26:51,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 157 remaining) [2024-02-07 19:26:51,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 157 remaining) [2024-02-07 19:26:51,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 157 remaining) [2024-02-07 19:26:51,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 157 remaining) [2024-02-07 19:26:51,386 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 157 remaining) [2024-02-07 19:26:51,387 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 157 remaining) [2024-02-07 19:26:51,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 157 remaining) [2024-02-07 19:26:51,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 157 remaining) [2024-02-07 19:26:51,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 157 remaining) [2024-02-07 19:26:51,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 157 remaining) [2024-02-07 19:26:51,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 157 remaining) [2024-02-07 19:26:51,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 157 remaining) [2024-02-07 19:26:51,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 157 remaining) [2024-02-07 19:26:51,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 157 remaining) [2024-02-07 19:26:51,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 157 remaining) [2024-02-07 19:26:51,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err7ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 157 remaining) [2024-02-07 19:26:51,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err8ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 157 remaining) [2024-02-07 19:26:51,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err9ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 157 remaining) [2024-02-07 19:26:51,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err10ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 157 remaining) [2024-02-07 19:26:51,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err11ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 157 remaining) [2024-02-07 19:26:51,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err12ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 157 remaining) [2024-02-07 19:26:51,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err13ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err14ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err15ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err16ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err17ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err18ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 157 remaining) [2024-02-07 19:26:51,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err19ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 157 remaining) [2024-02-07 19:26:51,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err20ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 157 remaining) [2024-02-07 19:26:51,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err21ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 157 remaining) [2024-02-07 19:26:51,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err22ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 157 remaining) [2024-02-07 19:26:51,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err23ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 157 remaining) [2024-02-07 19:26:51,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 19:26:51,394 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-02-07 19:26:51,404 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:26:51,404 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:26:51,442 INFO L503 ceAbstractionStarter]: Automizer considered 82 witness invariants [2024-02-07 19:26:51,442 INFO L504 ceAbstractionStarter]: WitnessConsidered=82 [2024-02-07 19:26:51,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:26:51 BasicIcfg [2024-02-07 19:26:51,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:26:51,443 INFO L158 Benchmark]: Toolchain (without parser) took 25736.68ms. Allocated memory was 142.6MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 89.0MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-02-07 19:26:51,444 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:26:51,444 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:26:51,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.03ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 78.3MB in the end (delta: 10.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-02-07 19:26:51,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.26ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:26:51,446 INFO L158 Benchmark]: Boogie Preprocessor took 113.30ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 74.7MB in the beginning and 155.2MB in the end (delta: -80.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-02-07 19:26:51,446 INFO L158 Benchmark]: RCFGBuilder took 1343.49ms. Allocated memory is still 190.8MB. Free memory was 155.1MB in the beginning and 124.1MB in the end (delta: 31.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. [2024-02-07 19:26:51,448 INFO L158 Benchmark]: TraceAbstraction took 23237.16ms. Allocated memory was 190.8MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 123.0MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-02-07 19:26:51,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 111.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.03ms. Allocated memory is still 142.6MB. Free memory was 89.0MB in the beginning and 78.3MB in the end (delta: 10.7MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.26ms. Allocated memory is still 142.6MB. Free memory was 78.3MB in the beginning and 74.7MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 113.30ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 74.7MB in the beginning and 155.2MB in the end (delta: -80.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1343.49ms. Allocated memory is still 190.8MB. Free memory was 155.1MB in the beginning and 124.1MB in the end (delta: 31.0MB). Peak memory consumption was 88.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23237.16ms. Allocated memory was 190.8MB in the beginning and 12.5GB in the end (delta: 12.3GB). Free memory was 123.0MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 756]: 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_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L721] 0 _Bool a$flush_delayed; [L722] 0 int a$mem_tmp; [L723] 0 _Bool a$r_buff0_thd0; [L724] 0 _Bool a$r_buff0_thd1; [L725] 0 _Bool a$r_buff0_thd2; [L726] 0 _Bool a$r_buff0_thd3; [L727] 0 _Bool a$r_buff0_thd4; [L728] 0 _Bool a$r_buff1_thd0; [L729] 0 _Bool a$r_buff1_thd1; [L730] 0 _Bool a$r_buff1_thd2; [L731] 0 _Bool a$r_buff1_thd3; [L732] 0 _Bool a$r_buff1_thd4; [L733] 0 _Bool a$read_delayed; [L734] 0 int *a$read_delayed_var; [L735] 0 int a$w_buff0; [L736] 0 _Bool a$w_buff0_used; [L737] 0 int a$w_buff1; [L738] 0 _Bool a$w_buff1_used; [L739] 0 _Bool main$tmp_guard0; [L740] 0 _Bool main$tmp_guard1; [L742] 0 int x = 0; [L744] 0 int y = 0; [L746] 0 int z = 0; [L747] 0 _Bool weak$$choice0; [L748] 0 _Bool weak$$choice2; [L866] 0 pthread_t t681; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t681={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L867] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff0_used]],CastExpression[ACSLType[long long],IdentifierExpression[a$w_buff1_used]]],IntegerLiteral[0LL]]]]] [L867] FCALL, FORK 0 pthread_create(&t681, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t681={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L752] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[a$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[a$w_buff0],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0],IntegerLiteral[1]]]]]] [L752] 1 a$w_buff1 = a$w_buff0 [L753] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[a$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[a$w_buff1],IntegerLiteral[1]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff1],IntegerLiteral[1]]]]]] [L753] 1 a$w_buff0 = 1 [L754] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0],IntegerLiteral[1]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L754] 1 a$w_buff1_used = a$w_buff0_used [L755] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L755] 1 a$w_buff0_used = (_Bool)1 [L756] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[a$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] - UnprovableResult [Line: 752]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 753]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 754]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 755]: 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: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 758]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 765]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 785]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 789]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 813]: 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: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 830]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 831]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 833]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 835]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 837]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 838]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 839]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 875]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 877]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 879]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 881]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 882]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 883]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 884]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 886]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 887]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 888]: 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: 869]: 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: 867]: 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: 873]: 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: 871]: 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, 235 locations, 157 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: 23.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 228 IncrementalHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 1 mSDtfsCounter, 228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 19:26:51,499 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