./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.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/mix026_pso.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_pso.opt_rmo.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-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:26:29,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:26:29,964 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:26:29,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:26:29,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:26:29,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:26:29,995 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:26:29,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:26:29,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:26:29,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:26:29,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:26:29,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:26:30,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:26:30,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:26:30,001 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:26:30,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:26:30,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:26:30,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:26:30,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:26:30,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:26:30,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:26:30,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:26:30,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:26:30,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:26:30,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:26:30,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:26:30,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:26:30,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:26:30,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:26:30,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:26:30,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:26:30,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:26:30,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:30,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:26:30,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:26:30,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:26:30,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:26:30,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:26:30,008 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:26:30,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:26:30,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:26:30,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:26:30,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:26:30,257 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:26:30,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-02-07 19:26:31,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:26:32,010 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:26:32,014 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i [2024-02-07 19:26:32,026 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/877259a3b/f53a77211a5746a0a8101b77e1dd4da5/FLAGf5260dc97 [2024-02-07 19:26:32,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/877259a3b/f53a77211a5746a0a8101b77e1dd4da5 [2024-02-07 19:26:32,038 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:26:32,039 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:26:32,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_pso.opt_rmo.opt.yml/witness.yml [2024-02-07 19:26:32,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:26:32,145 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:26:32,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:32,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:26:32,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:26:32,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:32" (1/2) ... [2024-02-07 19:26:32,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb9eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:26:32" (1/2) ... [2024-02-07 19:26:32,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28364aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:32" (2/2) ... [2024-02-07 19:26:32,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb9eac and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32, skipping insertion in model container [2024-02-07 19:26:32,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:32" (2/2) ... [2024-02-07 19:26:32,154 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:26:32,279 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:26:32,280 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,280 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] 0 <= __unbuffered_cnt [2024-02-07 19:26:32,281 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:26:32,281 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,281 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,282 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (z == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p3_EAX == 2 || (((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || ((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2)))) || (((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 2) && __unbuffered_p3_EAX <= 127) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2))) [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:26:32,283 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:26:32,284 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] z == 2 [2024-02-07 19:26:32,284 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,284 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] 1 <= __unbuffered_cnt [2024-02-07 19:26:32,284 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,284 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] 0 <= __unbuffered_cnt [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,285 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L753-L753] a == 1 [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,286 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:26:32,287 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 19:26:32,287 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:26:32,287 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] 1 <= __unbuffered_cnt [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] 1 <= __unbuffered_cnt [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:32,288 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:26:32,289 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,289 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:26:32,289 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:26:32,289 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] z == 1 [2024-02-07 19:26:32,289 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,290 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] x == 1 [2024-02-07 19:26:32,290 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,290 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] 0 <= __unbuffered_cnt [2024-02-07 19:26:32,291 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (y$r_buff1_thd4 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,291 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] 0 <= __unbuffered_cnt [2024-02-07 19:26:32,291 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:26:32,291 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:26:32,292 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:26:32,292 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] 1 <= __unbuffered_cnt [2024-02-07 19:26:32,292 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:26:32,292 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] y$flush_delayed == (_Bool)0 [2024-02-07 19:26:32,303 INFO L76 edCorrectnessWitness]: Location invariant before [L867-L867] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:26:32,305 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:26:32,305 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] 0 <= __unbuffered_cnt [2024-02-07 19:26:32,306 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:26:32,306 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:26:32,401 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:26:32,534 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.opt.i[956,969] [2024-02-07 19:26:32,694 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:32,702 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:26:32,731 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_pso.opt_rmo.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 Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:26:32,903 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:26:32,994 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:26:32,995 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32 WrapperNode [2024-02-07 19:26:32,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:26:32,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:32,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:26:32,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:26:33,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,066 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 179 [2024-02-07 19:26:33,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:26:33,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:26:33,071 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:26:33,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:26:33,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,114 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 19:26:33,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,128 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:26:33,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:26:33,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:26:33,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:26:33,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (1/1) ... [2024-02-07 19:26:33,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:26:33,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:26:33,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 19:26:33,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 19:26:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:26:33,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:26:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:26:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:26:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:26:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:26:33,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:26:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:26:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:26:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:26:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:26:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:26:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:26:33,213 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:26:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:26:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:26:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:26:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:26:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:26:33,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:26:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:26:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:26:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:26:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:26:33,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:26:33,216 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 19:26:33,364 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:26:33,366 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:26:33,802 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:26:33,802 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:26:34,196 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:26:34,196 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:26:34,197 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:34 BoogieIcfgContainer [2024-02-07 19:26:34,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:26:34,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:26:34,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:26:34,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:26:34,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:26:32" (1/4) ... [2024-02-07 19:26:34,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534c4e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:26:34, skipping insertion in model container [2024-02-07 19:26:34,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:26:32" (2/4) ... [2024-02-07 19:26:34,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534c4e8d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:34, skipping insertion in model container [2024-02-07 19:26:34,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:26:32" (3/4) ... [2024-02-07 19:26:34,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@534c4e8d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:26:34, skipping insertion in model container [2024-02-07 19:26:34,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:26:34" (4/4) ... [2024-02-07 19:26:34,205 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_pso.opt_rmo.opt.i [2024-02-07 19:26:34,222 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:26:34,222 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 71 error locations. [2024-02-07 19:26:34,222 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:26:34,335 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:26:34,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 131 places, 119 transitions, 254 flow [2024-02-07 19:26:34,419 INFO L124 PetriNetUnfolderBase]: 1/115 cut-off events. [2024-02-07 19:26:34,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:34,425 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 115 events. 1/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 556 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 119. Up to 2 conditions per place. [2024-02-07 19:26:34,425 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 119 transitions, 254 flow [2024-02-07 19:26:34,432 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 115 transitions, 242 flow [2024-02-07 19:26:34,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:26:34,449 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;@30c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:26:34,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2024-02-07 19:26:34,454 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:26:34,455 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:26:34,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:26:34,455 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:26:34,456 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:26:34,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 129 more)] === [2024-02-07 19:26:34,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:26:34,462 INFO L85 PathProgramCache]: Analyzing trace with hash 22928377, now seen corresponding path program 1 times [2024-02-07 19:26:34,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:26:34,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345943945] [2024-02-07 19:26:34,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:26:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:26:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:26:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:26:34,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:26:34,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345943945] [2024-02-07 19:26:34,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345943945] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:26:34,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:26:34,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:26:34,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941266920] [2024-02-07 19:26:34,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:26:34,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:26:34,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:26:34,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:26:34,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:26:34,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 119 [2024-02-07 19:26:34,704 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 115 transitions, 242 flow. Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:26:34,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:26:34,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 119 [2024-02-07 19:26:34,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:02,322 INFO L124 PetriNetUnfolderBase]: 245222/347858 cut-off events. [2024-02-07 19:27:02,323 INFO L125 PetriNetUnfolderBase]: For 175/175 co-relation queries the response was YES. [2024-02-07 19:27:03,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 666113 conditions, 347858 events. 245222/347858 cut-off events. For 175/175 co-relation queries the response was YES. Maximal size of possible extension queue 17145. Compared 3036890 event pairs, 245222 based on Foata normal form. 5040/176539 useless extension candidates. Maximal degree in co-relation 666101. Up to 317226 conditions per place. [2024-02-07 19:27:04,749 INFO L140 encePairwiseOnDemand]: 83/119 looper letters, 53 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2024-02-07 19:27:04,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 66 transitions, 250 flow [2024-02-07 19:27:04,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:27:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:27:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 123 transitions. [2024-02-07 19:27:04,759 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5168067226890757 [2024-02-07 19:27:04,760 INFO L175 Difference]: Start difference. First operand has 127 places, 115 transitions, 242 flow. Second operand 2 states and 123 transitions. [2024-02-07 19:27:04,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 66 transitions, 250 flow [2024-02-07 19:27:04,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:27:04,798 INFO L231 Difference]: Finished difference. Result has 76 places, 66 transitions, 140 flow [2024-02-07 19:27:04,800 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=119, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=76, PETRI_TRANSITIONS=66} [2024-02-07 19:27:04,802 INFO L281 CegarLoopForPetriNet]: 127 programPoint places, -51 predicate places. [2024-02-07 19:27:04,803 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 66 transitions, 140 flow [2024-02-07 19:27:04,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:27:04,803 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:04,803 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:27:04,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:27:04,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 129 more)] === [2024-02-07 19:27:04,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:04,804 INFO L85 PathProgramCache]: Analyzing trace with hash 710780528, now seen corresponding path program 1 times [2024-02-07 19:27:04,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:04,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80286292] [2024-02-07 19:27:04,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:04,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:04,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:27:04,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:04,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80286292] [2024-02-07 19:27:04,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80286292] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:04,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:04,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:04,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543831760] [2024-02-07 19:27:04,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:04,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:04,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:04,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:04,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:04,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 119 [2024-02-07 19:27:04,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 66 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:27:04,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:04,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 119 [2024-02-07 19:27:04,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand