./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix043.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/mix043.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/mix043.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix043.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 19:27:59,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:59,836 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:59,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:59,842 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:59,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:59,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:59,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:59,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:59,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:59,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:59,889 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:59,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:59,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:59,891 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:59,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:59,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:59,891 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:59,892 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:59,892 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:59,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:59,893 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:59,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:59,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:59,893 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:59,893 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:59,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:59,894 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:59,894 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:59,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:59,895 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:59,895 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:59,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:59,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:59,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:59,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:59,896 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:59,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:59,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:59,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:59,897 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:59,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:59,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:59,898 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:28:00,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:28:00,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:28:00,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:28:00,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:28:00,155 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:28:00,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043.opt.i [2024-02-07 19:28:01,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:28:01,476 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:28:01,477 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043.opt.i [2024-02-07 19:28:01,489 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c040f3316/08fbcd262dd5415cbf197930069a07c8/FLAGf073674a4 [2024-02-07 19:28:01,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c040f3316/08fbcd262dd5415cbf197930069a07c8 [2024-02-07 19:28:01,502 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:28:01,502 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:28:01,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix043.opt.yml/witness.yml [2024-02-07 19:28:01,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:28:01,608 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:28:01,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:28:01,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:28:01,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:28:01,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:28:01" (1/2) ... [2024-02-07 19:28:01,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ded79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:28:01, skipping insertion in model container [2024-02-07 19:28:01,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:28:01" (1/2) ... [2024-02-07 19:28:01,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1519bb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:28:01, skipping insertion in model container [2024-02-07 19:28:01,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:28:01" (2/2) ... [2024-02-07 19:28:01,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ded79 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:28:01, skipping insertion in model container [2024-02-07 19:28:01,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:28:01" (2/2) ... [2024-02-07 19:28:01,618 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:28:01,751 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:28:01,753 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] 1 <= __unbuffered_cnt [2024-02-07 19:28:01,753 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] y == 1 [2024-02-07 19:28:01,753 INFO L76 edCorrectnessWitness]: Location invariant before [L870-L870] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:28:01,753 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)1) [2024-02-07 19:28:01,753 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] 0 <= __unbuffered_cnt [2024-02-07 19:28:01,754 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:28:01,754 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] 1 <= __unbuffered_cnt [2024-02-07 19:28:01,754 INFO L76 edCorrectnessWitness]: Location invariant before [L859-L859] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:28:01,754 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] (z$r_buff0_thd3 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] (z$r_buff0_thd3 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] a == 1 [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1 [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L863-L863] (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] 1 <= __unbuffered_cnt [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:28:01,755 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] z$r_buff1_thd3 == (_Bool)0 [2024-02-07 19:28:01,756 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] 0 <= __unbuffered_cnt [2024-02-07 19:28:01,756 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] b == 1 [2024-02-07 19:28:01,756 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] 0 <= __unbuffered_cnt [2024-02-07 19:28:01,756 INFO L76 edCorrectnessWitness]: Location invariant before [L858-L858] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:28:01,756 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] z$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] (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 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L864-L864] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L831-L831] z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1 [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L857-L857] 0 <= __unbuffered_cnt [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] ((((0 <= z) && (z <= 2)) && (z <= 127)) && (z$flush_delayed == (_Bool)0 || z$flush_delayed == (_Bool)1)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,757 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (z$r_buff1_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x == 1 [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z$r_buff0_thd4 == (_Bool)1 [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L862-L862] (z$r_buff0_thd0 == (_Bool)0) && (z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,758 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (z$r_buff0_thd3 == (_Bool)0) && (z$r_buff1_thd2 == (_Bool)0) [2024-02-07 19:28:01,759 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (z == 2)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p0_EAX == 0 && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p0_EAX && 0 <= __unbuffered_p1_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p0_EAX <= 1) && __unbuffered_p1_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 19:28:01,759 INFO L76 edCorrectnessWitness]: Location invariant before [L866-L866] z$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (z$r_buff1_thd3 == (_Bool)0 && z$w_buff1_used == (_Bool)1) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L861-L861] (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 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L828-L828] (z$r_buff1_thd4 == (_Bool)0 || z$r_buff1_thd4 == (_Bool)1) && (((z$w_buff1_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1)) || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) || (z$w_buff0_used == (_Bool)1 && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1))) [2024-02-07 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (z$w_buff0 == 2) && (z$w_buff0_used == (_Bool)0 || z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L869-L869] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:28:01,760 INFO L76 edCorrectnessWitness]: Location invariant before [L827-L827] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] ((((0 <= z$w_buff0) && (z$w_buff0 <= 2)) && (z$w_buff0 <= 127)) && (z$w_buff0 % 2 == 0)) && (z$w_buff0 == 0 || z$w_buff0 == 2) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L829-L829] (z$w_buff0_used == (_Bool)1) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (z$r_buff1_thd3 == (_Bool)0 && (z$w_buff1_used == (_Bool)1 || (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd3 == (_Bool)0 && z$w_buff0_used == (_Bool)1) [2024-02-07 19:28:01,761 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] 0 <= __unbuffered_cnt [2024-02-07 19:28:01,762 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,762 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] z == 1 [2024-02-07 19:28:01,762 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (z$r_buff0_thd2 == (_Bool)0) && (z$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:28:01,763 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] (z$r_buff0_thd1 == (_Bool)0) && (z$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:28:01,763 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (z$r_buff1_thd3 == (_Bool)0) && (z$r_buff0_thd4 == (_Bool)0 || z$r_buff0_thd4 == (_Bool)1) [2024-02-07 19:28:01,763 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,763 INFO L76 edCorrectnessWitness]: Location invariant before [L826-L826] (z$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$r_buff0_thd4 == (_Bool)1)) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L865-L865] ((z$r_buff0_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) || (z$r_buff1_thd0 == (_Bool)0 && z$w_buff1_used == (_Bool)1)) || (z$r_buff1_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] z$flush_delayed == (_Bool)0 [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] ((((0 <= z$w_buff1) && (z$w_buff1 <= 2)) && (z$w_buff1 <= 127)) && (z$w_buff1 % 2 == 0)) && (z$w_buff1 == 0 || z$w_buff1 == 2) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] ((((z$r_buff1_thd0 == (_Bool)0 && z$w_buff0_used == (_Bool)1) && z$w_buff1_used == (_Bool)1) || z$r_buff0_thd0 == (_Bool)0) || (((z$r_buff0_thd0 == (_Bool)0 && z$r_buff1_thd0 == (_Bool)0) && z$w_buff0_used == (_Bool)1) && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1))) || (z$r_buff0_thd0 == (_Bool)0 && (z$w_buff1_used == (_Bool)0 || z$w_buff1_used == (_Bool)1)) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:28:01,764 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:28:01,765 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] 1 <= __unbuffered_cnt [2024-02-07 19:28:01,813 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:28:01,932 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/mix043.opt.i[944,957] [2024-02-07 19:28:02,067 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:28:02,097 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:28:02,132 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/mix043.opt.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 19:28:02,303 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:28:02,334 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:28:02,334 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:28:02 WrapperNode [2024-02-07 19:28:02,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:28:02,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:28:02,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:28:02,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:28:02,342 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,376 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,407 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 218 [2024-02-07 19:28:02,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:28:02,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:28:02,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:28:02,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:28:02,417 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,417 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,420 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,454 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 19:28:02,454 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,454 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,466 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,468 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,470 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,471 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:28:02,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:28:02,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:28:02,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:28:02,495 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 07:28:02" (1/1) ... [2024-02-07 19:28:02,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:28:02,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:28:02,554 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 19:28:02,637 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 19:28:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:28:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:28:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:28:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:28:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:28:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:28:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:28:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:28:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:28:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:28:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:28:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:28:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:28:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:28:02,652 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:28:02,652 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:28:02,653 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:28:02,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:28:02,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:28:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:28:02,655 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 19:28:02,777 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:28:02,782 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:28:03,260 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:28:03,260 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:28:03,662 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:28:03,663 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:28:03,663 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:28:03 BoogieIcfgContainer [2024-02-07 19:28:03,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:28:03,666 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:28:03,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:28:03,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:28:03,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:28:01" (1/4) ... [2024-02-07 19:28:03,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbabd05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:28:03, skipping insertion in model container [2024-02-07 19:28:03,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:28:01" (2/4) ... [2024-02-07 19:28:03,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbabd05 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:28:03, skipping insertion in model container [2024-02-07 19:28:03,670 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 07:28:02" (3/4) ... [2024-02-07 19:28:03,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bbabd05 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:28:03, skipping insertion in model container [2024-02-07 19:28:03,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:28:03" (4/4) ... [2024-02-07 19:28:03,672 INFO L112 eAbstractionObserver]: Analyzing ICFG mix043.opt.i [2024-02-07 19:28:03,686 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:28:03,686 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-02-07 19:28:03,686 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:28:03,770 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:28:03,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 19:28:03,856 INFO L124 PetriNetUnfolderBase]: 1/117 cut-off events. [2024-02-07 19:28:03,856 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:28:03,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 1/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 590 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2024-02-07 19:28:03,860 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 19:28:03,866 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 117 transitions, 246 flow [2024-02-07 19:28:03,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:28:03,883 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;@1e8d918d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:28:03,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2024-02-07 19:28:03,887 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:28:03,888 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:28:03,888 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:28:03,888 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:28:03,889 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:28:03,890 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 120 more)] === [2024-02-07 19:28:03,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:28:03,895 INFO L85 PathProgramCache]: Analyzing trace with hash 24227552, now seen corresponding path program 1 times [2024-02-07 19:28:03,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:28:03,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476441354] [2024-02-07 19:28:03,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:28:03,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:28:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:28:04,051 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 19:28:04,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:28:04,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476441354] [2024-02-07 19:28:04,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476441354] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:28:04,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:28:04,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:28:04,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255705449] [2024-02-07 19:28:04,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:28:04,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:28:04,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:28:04,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:28:04,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:28:04,095 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 19:28:04,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 117 transitions, 246 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 19:28:04,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:28:04,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 19:28:04,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:28:21,119 INFO L124 PetriNetUnfolderBase]: 150863/212365 cut-off events. [2024-02-07 19:28:21,119 INFO L125 PetriNetUnfolderBase]: For 508/508 co-relation queries the response was YES. [2024-02-07 19:28:21,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 409521 conditions, 212365 events. 150863/212365 cut-off events. For 508/508 co-relation queries the response was YES. Maximal size of possible extension queue 10850. Compared 1747209 event pairs, 150863 based on Foata normal form. 2450/115037 useless extension candidates. Maximal degree in co-relation 409509. Up to 196057 conditions per place. [2024-02-07 19:28:22,705 INFO L140 encePairwiseOnDemand]: 86/121 looper letters, 50 selfloop transitions, 0 changer transitions 0/63 dead transitions. [2024-02-07 19:28:22,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 63 transitions, 238 flow [2024-02-07 19:28:22,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:28:22,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:28:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 119 transitions. [2024-02-07 19:28:22,715 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49173553719008267 [2024-02-07 19:28:22,717 INFO L175 Difference]: Start difference. First operand has 129 places, 117 transitions, 246 flow. Second operand 2 states and 119 transitions. [2024-02-07 19:28:22,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 63 transitions, 238 flow [2024-02-07 19:28:22,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 63 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:28:22,726 INFO L231 Difference]: Finished difference. Result has 73 places, 63 transitions, 134 flow [2024-02-07 19:28:22,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=134, PETRI_PLACES=73, PETRI_TRANSITIONS=63} [2024-02-07 19:28:22,730 INFO L281 CegarLoopForPetriNet]: 129 programPoint places, -56 predicate places. [2024-02-07 19:28:22,730 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 63 transitions, 134 flow [2024-02-07 19:28:22,730 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 19:28:22,731 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:28:22,731 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:28:22,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:28:22,731 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 120 more)] === [2024-02-07 19:28:22,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:28:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash 751054980, now seen corresponding path program 1 times [2024-02-07 19:28:22,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:28:22,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049464380] [2024-02-07 19:28:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:28:22,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:28:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:28:22,821 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 19:28:22,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:28:22,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049464380] [2024-02-07 19:28:22,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049464380] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:28:22,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:28:22,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:28:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443702412] [2024-02-07 19:28:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:28:22,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:28:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:28:22,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:28:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:28:22,841 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 19:28:22,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 63 transitions, 134 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 19:28:22,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:28:22,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 19:28:22,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand