./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.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/mix033_tso.oepc.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix033_tso.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-dev-958ec4d-m [2024-02-07 14:48:27,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:48:27,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:48:27,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:48:27,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:48:27,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:48:27,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:48:27,944 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:48:27,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:48:27,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:48:27,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:48:27,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:48:27,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:48:27,949 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:48:27,949 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:48:27,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:48:27,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:48:27,953 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:48:27,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:48:27,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:48:27,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:48:27,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:48:27,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:48:27,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:48:27,955 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:48:27,956 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:48:27,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:48:27,956 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:48:27,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:48:27,957 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:48:27,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:48:27,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:48:27,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:27,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:48:27,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:48:27,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:48:27,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:48:27,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:48:27,960 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:48:27,960 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:48:27,960 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:48:27,960 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:48:27,960 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:48:27,961 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:48:28,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:48:28,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:48:28,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:48:28,207 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:48:28,208 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:48:28,209 INFO L431 ainManager$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/mix033_tso.oepc.yml/witness.yml [2024-02-07 14:48:28,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:48:28,384 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:48:28,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i [2024-02-07 14:48:29,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:48:29,875 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:48:29,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_tso.oepc.i [2024-02-07 14:48:29,890 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93127c21/134a29fbac5f4fea90bdc4e75e4401cc/FLAG6262b0404 [2024-02-07 14:48:29,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d93127c21/134a29fbac5f4fea90bdc4e75e4401cc [2024-02-07 14:48:29,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:48:29,904 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:48:29,909 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:29,909 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:48:29,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:48:29,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:28" (1/2) ... [2024-02-07 14:48:29,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61614abe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:29, skipping insertion in model container [2024-02-07 14:48:29,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:28" (1/2) ... [2024-02-07 14:48:29,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48b916f0 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:29, skipping insertion in model container [2024-02-07 14:48:29,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:29" (2/2) ... [2024-02-07 14:48:29,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61614abe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:29, skipping insertion in model container [2024-02-07 14:48:29,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:29" (2/2) ... [2024-02-07 14:48:29,919 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:48:30,167 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:48:30,169 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:30,169 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] 0 <= __unbuffered_cnt [2024-02-07 14:48:30,169 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,169 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] (x$r_buff1_thd1 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 14:48:30,170 INFO L76 edCorrectnessWitness]: Location invariant before [L854-L854] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 1 <= __unbuffered_cnt [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,171 INFO L76 edCorrectnessWitness]: Location invariant before [L752-L752] b == 1 [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (x$w_buff0 == 2) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:48:30,172 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] x == 1 [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] ((((0 <= x$w_buff0) && (x$w_buff0 <= 2)) && (x$w_buff0 <= 127)) && (x$w_buff0 % 2 == 0)) && (x$w_buff0 == 0 || x$w_buff0 == 2) [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L855-L855] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((((0 <= x$w_buff1) && (x$w_buff1 <= 2)) && (x$w_buff1 <= 127)) && (x$w_buff1 % 2 == 0)) && (x$w_buff1 == 0 || x$w_buff1 == 2) [2024-02-07 14:48:30,173 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 0 <= __unbuffered_cnt [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] x$flush_delayed == (_Bool)0 [2024-02-07 14:48:30,174 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] z == 1 [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (x == 2)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p1_EAX == 1 && ((__unbuffered_p1_EBX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p1_EBX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p1_EBX) && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p1_EBX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-02-07 14:48:30,175 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L856-L856] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,176 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] a == 1 [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] y == 1 [2024-02-07 14:48:30,177 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] 0 <= __unbuffered_cnt [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] 1 <= __unbuffered_cnt [2024-02-07 14:48:30,178 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L860-L860] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((0 <= __unbuffered_p1_EBX) && (__unbuffered_p1_EBX <= 1)) && (__unbuffered_p1_EBX == 0 || __unbuffered_p1_EBX == 1) [2024-02-07 14:48:30,179 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:48:30,180 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:30,181 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] 1 <= __unbuffered_cnt [2024-02-07 14:48:30,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:48:30,426 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/mix033_tso.oepc.i[949,962] [2024-02-07 14:48:30,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:30,705 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:48:30,741 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/mix033_tso.oepc.i[949,962] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:48:30,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:30,918 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:48:30,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30 WrapperNode [2024-02-07 14:48:30,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:30,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:30,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:48:30,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:48:30,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:30,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,000 INFO L138 Inliner]: procedures = 176, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 202 [2024-02-07 14:48:31,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:31,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:48:31,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:48:31,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:48:31,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,018 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,046 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 14:48:31,056 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:48:31,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:48:31,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:48:31,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:48:31,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (1/1) ... [2024-02-07 14:48:31,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:31,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:48:31,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:48:31,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:48:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:48:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:48:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:48:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:48:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:48:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:48:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:48:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:48:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:48:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:48:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:48:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:48:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:48:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:48:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:48:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:48:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:48:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:48:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:48:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:48:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:48:31,257 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:48:31,393 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:48:31,395 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:48:31,902 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:48:31,903 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:48:32,370 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:48:32,370 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:48:32,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:32 BoogieIcfgContainer [2024-02-07 14:48:32,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:48:32,375 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:48:32,375 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:48:32,378 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:48:32,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:28" (1/4) ... [2024-02-07 14:48:32,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d93a0e1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:48:32, skipping insertion in model container [2024-02-07 14:48:32,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:48:29" (2/4) ... [2024-02-07 14:48:32,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d93a0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:32, skipping insertion in model container [2024-02-07 14:48:32,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:30" (3/4) ... [2024-02-07 14:48:32,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d93a0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:32, skipping insertion in model container [2024-02-07 14:48:32,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:32" (4/4) ... [2024-02-07 14:48:32,383 INFO L112 eAbstractionObserver]: Analyzing ICFG mix033_tso.oepc.i [2024-02-07 14:48:32,401 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:48:32,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 74 error locations. [2024-02-07 14:48:32,402 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:48:32,542 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:48:32,585 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 116 transitions, 244 flow [2024-02-07 14:48:32,650 INFO L124 PetriNetUnfolderBase]: 1/113 cut-off events. [2024-02-07 14:48:32,650 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:32,656 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 1/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 613 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 115. Up to 2 conditions per place. [2024-02-07 14:48:32,656 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 116 transitions, 244 flow [2024-02-07 14:48:32,663 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 113 transitions, 235 flow [2024-02-07 14:48:32,678 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:48:32,686 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;@f76597, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:48:32,686 INFO L358 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2024-02-07 14:48:32,694 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:48:32,695 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:48:32,695 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:32,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:32,696 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:48:32,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-02-07 14:48:32,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:32,704 INFO L85 PathProgramCache]: Analyzing trace with hash 23582113, now seen corresponding path program 1 times [2024-02-07 14:48:32,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:32,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986890251] [2024-02-07 14:48:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:32,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:48:32,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:32,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986890251] [2024-02-07 14:48:32,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986890251] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:32,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:32,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:32,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366765854] [2024-02-07 14:48:32,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:32,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:48:32,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:32,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:48:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:48:32,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 116 [2024-02-07 14:48:32,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 113 transitions, 235 flow. Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:32,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:32,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 116 [2024-02-07 14:48:32,984 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:38,910 INFO L124 PetriNetUnfolderBase]: 30769/45998 cut-off events. [2024-02-07 14:48:38,910 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-02-07 14:48:38,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88915 conditions, 45998 events. 30769/45998 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 2882. Compared 362215 event pairs, 30769 based on Foata normal form. 550/21869 useless extension candidates. Maximal degree in co-relation 88904. Up to 42791 conditions per place. [2024-02-07 14:48:39,202 INFO L140 encePairwiseOnDemand]: 80/116 looper letters, 48 selfloop transitions, 0 changer transitions 0/58 dead transitions. [2024-02-07 14:48:39,203 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 58 transitions, 221 flow [2024-02-07 14:48:39,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:48:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:48:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 110 transitions. [2024-02-07 14:48:39,214 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47413793103448276 [2024-02-07 14:48:39,216 INFO L175 Difference]: Start difference. First operand has 122 places, 113 transitions, 235 flow. Second operand 2 states and 110 transitions. [2024-02-07 14:48:39,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 58 transitions, 221 flow [2024-02-07 14:48:39,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 58 transitions, 218 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 14:48:39,222 INFO L231 Difference]: Finished difference. Result has 66 places, 58 transitions, 122 flow [2024-02-07 14:48:39,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=122, PETRI_PLACES=66, PETRI_TRANSITIONS=58} [2024-02-07 14:48:39,227 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -56 predicate places. [2024-02-07 14:48:39,227 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 58 transitions, 122 flow [2024-02-07 14:48:39,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:39,227 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:39,228 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:48:39,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:48:39,228 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-02-07 14:48:39,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:39,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1184605269, now seen corresponding path program 1 times [2024-02-07 14:48:39,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:39,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103246342] [2024-02-07 14:48:39,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:48:39,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:39,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103246342] [2024-02-07 14:48:39,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103246342] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:39,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:39,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:39,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170074545] [2024-02-07 14:48:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:39,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:39,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:39,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:39,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:39,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 116 [2024-02-07 14:48:39,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 58 transitions, 122 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:39,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:39,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 116 [2024-02-07 14:48:39,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:42,843 INFO L124 PetriNetUnfolderBase]: 24139/34404 cut-off events. [2024-02-07 14:48:42,843 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:42,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68269 conditions, 34404 events. 24139/34404 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2142. Compared 223628 event pairs, 4249 based on Foata normal form. 0/16161 useless extension candidates. Maximal degree in co-relation 68266. Up to 27091 conditions per place. [2024-02-07 14:48:43,069 INFO L140 encePairwiseOnDemand]: 111/116 looper letters, 83 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-02-07 14:48:43,070 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 97 transitions, 376 flow [2024-02-07 14:48:43,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:48:43,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:48:43,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 127 transitions. [2024-02-07 14:48:43,074 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3649425287356322 [2024-02-07 14:48:43,074 INFO L175 Difference]: Start difference. First operand has 66 places, 58 transitions, 122 flow. Second operand 3 states and 127 transitions. [2024-02-07 14:48:43,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 97 transitions, 376 flow [2024-02-07 14:48:43,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 97 transitions, 376 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:48:43,079 INFO L231 Difference]: Finished difference. Result has 67 places, 57 transitions, 128 flow [2024-02-07 14:48:43,080 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=128, PETRI_PLACES=67, PETRI_TRANSITIONS=57} [2024-02-07 14:48:43,081 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -55 predicate places. [2024-02-07 14:48:43,081 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 57 transitions, 128 flow [2024-02-07 14:48:43,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:43,082 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:43,082 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:48:43,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:48:43,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-02-07 14:48:43,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:43,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1184605271, now seen corresponding path program 1 times [2024-02-07 14:48:43,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:43,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211238032] [2024-02-07 14:48:43,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:48:43,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:43,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211238032] [2024-02-07 14:48:43,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211238032] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:43,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:43,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:43,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871955387] [2024-02-07 14:48:43,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:43,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:48:43,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:43,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:48:43,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:48:43,425 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 116 [2024-02-07 14:48:43,426 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 57 transitions, 128 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:43,426 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:43,426 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 116 [2024-02-07 14:48:43,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:48:44,077 INFO L124 PetriNetUnfolderBase]: 4890/8237 cut-off events. [2024-02-07 14:48:44,078 INFO L125 PetriNetUnfolderBase]: For 280/280 co-relation queries the response was YES. [2024-02-07 14:48:44,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16145 conditions, 8237 events. 4890/8237 cut-off events. For 280/280 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 56341 event pairs, 1914 based on Foata normal form. 0/4599 useless extension candidates. Maximal degree in co-relation 16141. Up to 6515 conditions per place. [2024-02-07 14:48:44,132 INFO L140 encePairwiseOnDemand]: 105/116 looper letters, 67 selfloop transitions, 3 changer transitions 0/80 dead transitions. [2024-02-07 14:48:44,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 80 transitions, 312 flow [2024-02-07 14:48:44,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:48:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:48:44,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 117 transitions. [2024-02-07 14:48:44,137 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33620689655172414 [2024-02-07 14:48:44,137 INFO L175 Difference]: Start difference. First operand has 67 places, 57 transitions, 128 flow. Second operand 3 states and 117 transitions. [2024-02-07 14:48:44,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 80 transitions, 312 flow [2024-02-07 14:48:44,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 80 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:48:44,140 INFO L231 Difference]: Finished difference. Result has 66 places, 55 transitions, 137 flow [2024-02-07 14:48:44,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=137, PETRI_PLACES=66, PETRI_TRANSITIONS=55} [2024-02-07 14:48:44,142 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -56 predicate places. [2024-02-07 14:48:44,142 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 55 transitions, 137 flow [2024-02-07 14:48:44,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:44,142 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:44,143 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-02-07 14:48:44,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-02-07 14:48:44,143 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 124 more)] === [2024-02-07 14:48:44,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1184605273, now seen corresponding path program 1 times [2024-02-07 14:48:44,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:44,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349508405] [2024-02-07 14:48:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:48:44,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:48:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:48:44,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:48:44,235 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:48:44,239 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (126 of 127 remaining) [2024-02-07 14:48:44,241 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (125 of 127 remaining) [2024-02-07 14:48:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (124 of 127 remaining) [2024-02-07 14:48:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (123 of 127 remaining) [2024-02-07 14:48:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (122 of 127 remaining) [2024-02-07 14:48:44,242 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (121 of 127 remaining) [2024-02-07 14:48:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (120 of 127 remaining) [2024-02-07 14:48:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (119 of 127 remaining) [2024-02-07 14:48:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (118 of 127 remaining) [2024-02-07 14:48:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (117 of 127 remaining) [2024-02-07 14:48:44,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (116 of 127 remaining) [2024-02-07 14:48:44,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 127 remaining) [2024-02-07 14:48:44,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 127 remaining) [2024-02-07 14:48:44,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 127 remaining) [2024-02-07 14:48:44,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 127 remaining) [2024-02-07 14:48:44,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 127 remaining) [2024-02-07 14:48:44,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 127 remaining) [2024-02-07 14:48:44,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (109 of 127 remaining) [2024-02-07 14:48:44,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 127 remaining) [2024-02-07 14:48:44,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 127 remaining) [2024-02-07 14:48:44,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 127 remaining) [2024-02-07 14:48:44,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 127 remaining) [2024-02-07 14:48:44,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 127 remaining) [2024-02-07 14:48:44,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 127 remaining) [2024-02-07 14:48:44,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 127 remaining) [2024-02-07 14:48:44,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 127 remaining) [2024-02-07 14:48:44,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 127 remaining) [2024-02-07 14:48:44,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 127 remaining) [2024-02-07 14:48:44,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 127 remaining) [2024-02-07 14:48:44,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 127 remaining) [2024-02-07 14:48:44,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 127 remaining) [2024-02-07 14:48:44,251 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 127 remaining) [2024-02-07 14:48:44,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 127 remaining) [2024-02-07 14:48:44,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 127 remaining) [2024-02-07 14:48:44,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 127 remaining) [2024-02-07 14:48:44,252 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 127 remaining) [2024-02-07 14:48:44,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 127 remaining) [2024-02-07 14:48:44,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 127 remaining) [2024-02-07 14:48:44,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 127 remaining) [2024-02-07 14:48:44,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 127 remaining) [2024-02-07 14:48:44,253 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 127 remaining) [2024-02-07 14:48:44,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 127 remaining) [2024-02-07 14:48:44,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 127 remaining) [2024-02-07 14:48:44,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 127 remaining) [2024-02-07 14:48:44,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 127 remaining) [2024-02-07 14:48:44,254 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 127 remaining) [2024-02-07 14:48:44,255 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 127 remaining) [2024-02-07 14:48:44,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 127 remaining) [2024-02-07 14:48:44,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 127 remaining) [2024-02-07 14:48:44,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 127 remaining) [2024-02-07 14:48:44,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 127 remaining) [2024-02-07 14:48:44,256 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 127 remaining) [2024-02-07 14:48:44,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 127 remaining) [2024-02-07 14:48:44,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 127 remaining) [2024-02-07 14:48:44,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 127 remaining) [2024-02-07 14:48:44,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 127 remaining) [2024-02-07 14:48:44,257 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 127 remaining) [2024-02-07 14:48:44,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 127 remaining) [2024-02-07 14:48:44,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 127 remaining) [2024-02-07 14:48:44,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 127 remaining) [2024-02-07 14:48:44,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 127 remaining) [2024-02-07 14:48:44,258 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 127 remaining) [2024-02-07 14:48:44,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 127 remaining) [2024-02-07 14:48:44,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 127 remaining) [2024-02-07 14:48:44,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 127 remaining) [2024-02-07 14:48:44,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 127 remaining) [2024-02-07 14:48:44,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 127 remaining) [2024-02-07 14:48:44,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 127 remaining) [2024-02-07 14:48:44,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 127 remaining) [2024-02-07 14:48:44,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (52 of 127 remaining) [2024-02-07 14:48:44,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 127 remaining) [2024-02-07 14:48:44,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 127 remaining) [2024-02-07 14:48:44,261 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 127 remaining) [2024-02-07 14:48:44,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 127 remaining) [2024-02-07 14:48:44,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 127 remaining) [2024-02-07 14:48:44,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 127 remaining) [2024-02-07 14:48:44,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 127 remaining) [2024-02-07 14:48:44,262 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 127 remaining) [2024-02-07 14:48:44,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 127 remaining) [2024-02-07 14:48:44,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 127 remaining) [2024-02-07 14:48:44,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 127 remaining) [2024-02-07 14:48:44,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 127 remaining) [2024-02-07 14:48:44,263 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 127 remaining) [2024-02-07 14:48:44,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (33 of 127 remaining) [2024-02-07 14:48:44,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 127 remaining) [2024-02-07 14:48:44,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 127 remaining) [2024-02-07 14:48:44,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 127 remaining) [2024-02-07 14:48:44,264 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 127 remaining) [2024-02-07 14:48:44,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 127 remaining) [2024-02-07 14:48:44,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 127 remaining) [2024-02-07 14:48:44,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 127 remaining) [2024-02-07 14:48:44,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 127 remaining) [2024-02-07 14:48:44,265 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 127 remaining) [2024-02-07 14:48:44,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 127 remaining) [2024-02-07 14:48:44,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 127 remaining) [2024-02-07 14:48:44,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 127 remaining) [2024-02-07 14:48:44,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 127 remaining) [2024-02-07 14:48:44,266 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err23ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err24ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err25ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 127 remaining) [2024-02-07 14:48:44,267 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 127 remaining) [2024-02-07 14:48:44,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 127 remaining) [2024-02-07 14:48:44,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 127 remaining) [2024-02-07 14:48:44,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 127 remaining) [2024-02-07 14:48:44,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 127 remaining) [2024-02-07 14:48:44,268 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 127 remaining) [2024-02-07 14:48:44,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 127 remaining) [2024-02-07 14:48:44,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 127 remaining) [2024-02-07 14:48:44,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 127 remaining) [2024-02-07 14:48:44,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 127 remaining) [2024-02-07 14:48:44,269 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 127 remaining) [2024-02-07 14:48:44,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 127 remaining) [2024-02-07 14:48:44,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 127 remaining) [2024-02-07 14:48:44,270 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 127 remaining) [2024-02-07 14:48:44,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-02-07 14:48:44,271 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-02-07 14:48:44,281 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:48:44,281 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:48:44,324 INFO L503 ceAbstractionStarter]: Automizer considered 72 witness invariants [2024-02-07 14:48:44,324 INFO L504 ceAbstractionStarter]: WitnessConsidered=72 [2024-02-07 14:48:44,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:48:44 BasicIcfg [2024-02-07 14:48:44,326 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:48:44,326 INFO L158 Benchmark]: Toolchain (without parser) took 14422.84ms. Allocated memory was 153.1MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 77.9MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 872.7MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,326 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 107.0MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:48:44,327 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:48:44,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1010.66ms. Allocated memory is still 153.1MB. Free memory was 77.7MB in the beginning and 82.8MB in the end (delta: -5.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.47ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 79.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,327 INFO L158 Benchmark]: Boogie Preprocessor took 89.38ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,328 INFO L158 Benchmark]: RCFGBuilder took 1280.56ms. Allocated memory is still 153.1MB. Free memory was 75.0MB in the beginning and 45.7MB in the end (delta: 29.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,328 INFO L158 Benchmark]: TraceAbstraction took 11950.68ms. Allocated memory was 153.1MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 44.6MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 836.3MB. Max. memory is 16.1GB. [2024-02-07 14:48:44,331 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 0.19ms. Allocated memory is still 107.0MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 123.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1010.66ms. Allocated memory is still 153.1MB. Free memory was 77.7MB in the beginning and 82.8MB in the end (delta: -5.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.47ms. Allocated memory is still 153.1MB. Free memory was 82.8MB in the beginning and 79.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.38ms. Allocated memory is still 153.1MB. Free memory was 79.2MB in the beginning and 75.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1280.56ms. Allocated memory is still 153.1MB. Free memory was 75.0MB in the beginning and 45.7MB in the end (delta: 29.3MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11950.68ms. Allocated memory was 153.1MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 44.6MB in the beginning and 3.6GB in the end (delta: -3.6GB). Peak memory consumption was 836.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 775]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p1_EBX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L717] 0 int __unbuffered_p2_EBX = 0; [L719] 0 int a = 0; [L721] 0 int b = 0; [L722] 0 _Bool main$tmp_guard0; [L723] 0 _Bool main$tmp_guard1; [L725] 0 int x = 0; [L726] 0 _Bool x$flush_delayed; [L727] 0 int x$mem_tmp; [L728] 0 _Bool x$r_buff0_thd0; [L729] 0 _Bool x$r_buff0_thd1; [L730] 0 _Bool x$r_buff0_thd2; [L731] 0 _Bool x$r_buff0_thd3; [L732] 0 _Bool x$r_buff1_thd0; [L733] 0 _Bool x$r_buff1_thd1; [L734] 0 _Bool x$r_buff1_thd2; [L735] 0 _Bool x$r_buff1_thd3; [L736] 0 _Bool x$read_delayed; [L737] 0 int *x$read_delayed_var; [L738] 0 int x$w_buff0; [L739] 0 _Bool x$w_buff0_used; [L740] 0 int x$w_buff1; [L741] 0 _Bool x$w_buff1_used; [L743] 0 int y = 0; [L745] 0 int z = 0; [L746] 0 _Bool weak$$choice0; [L747] 0 _Bool weak$$choice2; [L840] 0 pthread_t t891; [L841] FCALL, FORK 0 pthread_create(&t891, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t891={5:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L842] 0 pthread_t t892; [L843] FCALL, FORK 0 pthread_create(&t892, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, t891={5:0}, t892={3:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L771] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff0]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[x$w_buff0],IntegerLiteral[2]],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]]]]]] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPLEQ,IntegerLiteral[0],IdentifierExpression[x$w_buff1]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[2]]],BinaryExpression[COMPLEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[127]]],BinaryExpression[COMPEQ,BinaryExpression[ARITHMOD,IdentifierExpression[x$w_buff1],IntegerLiteral[2]],IntegerLiteral[0]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[0]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1],IntegerLiteral[2]]]]]] [L772] 2 x$w_buff0 = 2 [L773] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0],IntegerLiteral[2]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] [L774] 2 x$w_buff0_used = (_Bool)1 [L775] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=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: 755]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 758]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 764]: 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: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 774]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 777]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 780]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 781]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 786]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 787]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: 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: 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: 818]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 822]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 823]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 825]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 826]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 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: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 855]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 860]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 862]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 864]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 866]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 867]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 868]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 869]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 871]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 872]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 873]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 845]: 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: 841]: 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: 843]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 194 locations, 127 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 62 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 0 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=235occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:48:44,375 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