./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_pso.opt_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_pso.opt_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:48:43,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:48:43,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:48:43,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:48:43,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:48:43,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:48:43,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:48:43,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:48:43,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:48:43,115 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:48:43,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:48:43,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:48:43,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:48:43,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:48:43,121 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:48:43,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:48:43,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:48:43,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:48:43,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:48:43,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:48:43,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:48:43,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:48:43,123 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:48:43,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:48:43,124 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:48:43,124 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:48:43,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:48:43,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:48:43,125 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:48:43,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:43,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:48:43,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:48:43,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:48:43,127 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:48:43,127 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:48:43,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:48:43,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:48:43,127 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:48:43,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:48:43,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:48:43,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:48:43,357 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:48:43,357 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:48:43,358 INFO L431 ainManager$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/mix036_pso.opt_tso.opt.yml/witness.yml [2024-02-07 14:48:43,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:48:43,525 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:48:43,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-02-07 14:48:44,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:48:44,895 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:48:44,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_pso.opt_tso.opt.i [2024-02-07 14:48:44,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f995ce369/361afdff207743ac8e280bda2f6db21f/FLAG1d443c258 [2024-02-07 14:48:44,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f995ce369/361afdff207743ac8e280bda2f6db21f [2024-02-07 14:48:44,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:48:44,930 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:48:44,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:44,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:48:44,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:48:44,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:43" (1/2) ... [2024-02-07 14:48:44,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7b161 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:44, skipping insertion in model container [2024-02-07 14:48:44,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:43" (1/2) ... [2024-02-07 14:48:44,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23003aac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:48:44, skipping insertion in model container [2024-02-07 14:48:44,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:44" (2/2) ... [2024-02-07 14:48:44,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef7b161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:44, skipping insertion in model container [2024-02-07 14:48:44,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:48:44" (2/2) ... [2024-02-07 14:48:44,942 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:48:45,122 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:48:45,125 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,125 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] 0 <= __unbuffered_cnt [2024-02-07 14:48:45,125 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 14:48:45,125 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:48:45,125 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] x == 1 [2024-02-07 14:48:45,126 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 1 <= __unbuffered_cnt [2024-02-07 14:48:45,126 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] 0 <= __unbuffered_cnt [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((0 <= z$w_buff0) && (z$w_buff0 <= 1)) && (z$w_buff0 == 0 || z$w_buff0 == 1) [2024-02-07 14:48:45,127 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (z$w_buff0 == 1) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 14:48:45,128 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:45,129 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (((0 <= z) && (z <= 1)) && (z == 0 || z == 1)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1) [2024-02-07 14:48:45,129 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:48:45,129 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (z$w_buff1_used == (_Bool)1 && (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) [2024-02-07 14:48:45,129 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((0 <= z$w_buff1) && (z$w_buff1 <= 1)) && (z$w_buff1 == 0 || z$w_buff1 == 1) [2024-02-07 14:48:45,130 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] 1 <= __unbuffered_cnt [2024-02-07 14:48:45,130 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:45,130 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:48:45,130 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 14:48:45,130 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] 0 <= __unbuffered_cnt [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] 1 <= __unbuffered_cnt [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (((0 <= z) && (z <= 1)) && (z$r_buff1_thd3 == (_Bool)0)) && (z == 0 || z == 1) [2024-02-07 14:48:45,131 INFO L76 edCorrectnessWitness]: Location invariant before [L868-L868] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:45,132 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:48:45,132 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,132 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 14:48:45,133 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] 0 <= __unbuffered_cnt [2024-02-07 14:48:45,134 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,134 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:48:45,134 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((((z$r_buff1_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd3 == (_Bool)0) || (((z$r_buff0_thd3 == (_Bool)0 && z$r_buff1_thd3 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 14:48:45,134 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:48:45,134 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 14:48:45,135 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:48:45,135 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] z$flush_delayed == (_Bool)0 [2024-02-07 14:48:45,135 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] y == 1 [2024-02-07 14:48:45,135 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 14:48:45,136 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:48:45,136 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 14:48:45,136 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:48:45,136 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] a == 1 [2024-02-07 14:48:45,137 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,137 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:48:45,137 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:48:45,138 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:48:45,138 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] b == 1 [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 14:48:45,139 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] 1 <= __unbuffered_cnt [2024-02-07 14:48:45,140 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:48:45,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:48:45,426 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/mix036_pso.opt_tso.opt.i[956,969] [2024-02-07 14:48:45,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:45,677 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:48:45,710 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/mix036_pso.opt_tso.opt.i[956,969] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:48:45,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:48:45,886 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:48:45,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45 WrapperNode [2024-02-07 14:48:45,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:48:45,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:45,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:48:45,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:48:45,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:45,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:45,963 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 191 [2024-02-07 14:48:45,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:48:45,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:48:45,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:48:45,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:48:45,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:45,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:45,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,022 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:48:46,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:48:46,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:48:46,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:48:46,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:48:46,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (1/1) ... [2024-02-07 14:48:46,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:48:46,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:48:46,086 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 14:48:46,107 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 14:48:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:48:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:48:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:48:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:48:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:48:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:48:46,133 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:48:46,133 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:48:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:48:46,134 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:48:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:48:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:48:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:48:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:48:46,136 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 14:48:46,258 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:48:46,260 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:48:46,763 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:48:46,764 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:48:47,149 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:48:47,149 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:48:47,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:47 BoogieIcfgContainer [2024-02-07 14:48:47,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:48:47,153 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:48:47,153 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:48:47,155 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:48:47,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:48:43" (1/4) ... [2024-02-07 14:48:47,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a606e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:48:47, skipping insertion in model container [2024-02-07 14:48:47,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:48:44" (2/4) ... [2024-02-07 14:48:47,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a606e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:47, skipping insertion in model container [2024-02-07 14:48:47,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:48:45" (3/4) ... [2024-02-07 14:48:47,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a606e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:48:47, skipping insertion in model container [2024-02-07 14:48:47,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:48:47" (4/4) ... [2024-02-07 14:48:47,159 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_pso.opt_tso.opt.i [2024-02-07 14:48:47,175 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:48:47,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 67 error locations. [2024-02-07 14:48:47,175 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:48:47,259 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:48:47,291 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 128 places, 116 transitions, 248 flow [2024-02-07 14:48:47,344 INFO L124 PetriNetUnfolderBase]: 1/112 cut-off events. [2024-02-07 14:48:47,344 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:47,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 112 events. 1/112 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 553 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 116. Up to 2 conditions per place. [2024-02-07 14:48:47,349 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 116 transitions, 248 flow [2024-02-07 14:48:47,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 112 transitions, 236 flow [2024-02-07 14:48:47,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:48:47,375 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;@570b5bb3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:48:47,375 INFO L358 AbstractCegarLoop]: Starting to check reachability of 124 error locations. [2024-02-07 14:48:47,380 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:48:47,380 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:48:47,381 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:48:47,381 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:48:47,381 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:48:47,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 14:48:47,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:48:47,390 INFO L85 PathProgramCache]: Analyzing trace with hash 22252090, now seen corresponding path program 1 times [2024-02-07 14:48:47,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:48:47,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054692592] [2024-02-07 14:48:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:48:47,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:48:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:48:47,603 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 14:48:47,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:48:47,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054692592] [2024-02-07 14:48:47,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054692592] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:48:47,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:48:47,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:48:47,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384348905] [2024-02-07 14:48:47,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:48:47,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:48:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:48:47,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:48:47,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:48:47,661 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 14:48:47,663 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 112 transitions, 236 flow. Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:48:47,663 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:48:47,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 14:48:47,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:03,086 INFO L124 PetriNetUnfolderBase]: 131466/191358 cut-off events. [2024-02-07 14:49:03,087 INFO L125 PetriNetUnfolderBase]: For 606/606 co-relation queries the response was YES. [2024-02-07 14:49:03,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363629 conditions, 191358 events. 131466/191358 cut-off events. For 606/606 co-relation queries the response was YES. Maximal size of possible extension queue 9577. Compared 1657834 event pairs, 131466 based on Foata normal form. 2940/104621 useless extension candidates. Maximal degree in co-relation 363617. Up to 170976 conditions per place. [2024-02-07 14:49:04,284 INFO L140 encePairwiseOnDemand]: 84/116 looper letters, 47 selfloop transitions, 0 changer transitions 0/61 dead transitions. [2024-02-07 14:49:04,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 61 transitions, 228 flow [2024-02-07 14:49:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 14:49:04,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 14:49:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 115 transitions. [2024-02-07 14:49:04,293 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4956896551724138 [2024-02-07 14:49:04,295 INFO L175 Difference]: Start difference. First operand has 124 places, 112 transitions, 236 flow. Second operand 2 states and 115 transitions. [2024-02-07 14:49:04,295 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 61 transitions, 228 flow [2024-02-07 14:49:04,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 61 transitions, 224 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 14:49:04,304 INFO L231 Difference]: Finished difference. Result has 71 places, 61 transitions, 130 flow [2024-02-07 14:49:04,306 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=130, PETRI_PLACES=71, PETRI_TRANSITIONS=61} [2024-02-07 14:49:04,308 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -53 predicate places. [2024-02-07 14:49:04,308 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 61 transitions, 130 flow [2024-02-07 14:49:04,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:04,309 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:04,309 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 14:49:04,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:49:04,309 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 14:49:04,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash 689815609, now seen corresponding path program 1 times [2024-02-07 14:49:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:04,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823822249] [2024-02-07 14:49:04,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:04,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:04,373 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 14:49:04,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:04,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823822249] [2024-02-07 14:49:04,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823822249] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:04,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:04,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:04,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933428252] [2024-02-07 14:49:04,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:04,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:04,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:04,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:04,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:04,376 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 14:49:04,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 61 transitions, 130 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 14:49:04,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:04,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 14:49:04,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:49:17,037 INFO L124 PetriNetUnfolderBase]: 128551/174643 cut-off events. [2024-02-07 14:49:17,037 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:49:17,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 343160 conditions, 174643 events. 128551/174643 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9101. Compared 1375084 event pairs, 15877 based on Foata normal form. 0/92695 useless extension candidates. Maximal degree in co-relation 343157. Up to 150557 conditions per place. [2024-02-07 14:49:18,472 INFO L140 encePairwiseOnDemand]: 113/116 looper letters, 81 selfloop transitions, 2 changer transitions 0/97 dead transitions. [2024-02-07 14:49:18,473 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 97 transitions, 372 flow [2024-02-07 14:49:18,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:49:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:49:18,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 138 transitions. [2024-02-07 14:49:18,478 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39655172413793105 [2024-02-07 14:49:18,478 INFO L175 Difference]: Start difference. First operand has 71 places, 61 transitions, 130 flow. Second operand 3 states and 138 transitions. [2024-02-07 14:49:18,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 97 transitions, 372 flow [2024-02-07 14:49:18,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 97 transitions, 372 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-02-07 14:49:18,481 INFO L231 Difference]: Finished difference. Result has 74 places, 61 transitions, 138 flow [2024-02-07 14:49:18,481 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=116, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=74, PETRI_TRANSITIONS=61} [2024-02-07 14:49:18,482 INFO L281 CegarLoopForPetriNet]: 124 programPoint places, -50 predicate places. [2024-02-07 14:49:18,483 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 61 transitions, 138 flow [2024-02-07 14:49:18,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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 14:49:18,483 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:49:18,483 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:49:18,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:49:18,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 121 more)] === [2024-02-07 14:49:18,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:49:18,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1487863900, now seen corresponding path program 1 times [2024-02-07 14:49:18,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:49:18,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36199299] [2024-02-07 14:49:18,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:49:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:49:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:49:18,562 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 14:49:18,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:49:18,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36199299] [2024-02-07 14:49:18,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36199299] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:49:18,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:49:18,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:49:18,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629486804] [2024-02-07 14:49:18,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:49:18,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:49:18,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:49:18,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:49:18,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:49:18,565 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 116 [2024-02-07 14:49:18,565 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 61 transitions, 138 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:49:18,566 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:49:18,566 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 116 [2024-02-07 14:49:18,566 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand