./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_power.opt_tso.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 958ec4d9 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix026_power.opt_tso.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:47:45,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:47:45,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:47:45,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:47:45,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:47:45,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:47:45,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:47:45,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:47:45,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:47:45,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:47:45,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:47:45,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:47:45,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:47:45,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:47:45,614 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:47:45,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:47:45,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:47:45,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:47:45,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:47:45,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:47:45,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:47:45,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:47:45,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:47:45,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:47:45,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:47:45,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:47:45,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:47:45,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:47:45,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:47:45,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:47:45,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:47:45,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:47:45,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:45,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:47:45,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:47:45,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:47:45,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:47:45,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:47:45,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:47:45,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:47:45,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:47:45,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:47:45,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:47:45,622 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:47:45,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:47:45,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:47:45,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:47:45,895 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:47:45,895 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:47:45,896 INFO L431 ainManager$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_power.opt_tso.opt.yml/witness.yml [2024-02-07 14:47:46,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:47:46,044 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:47:46,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i [2024-02-07 14:47:47,190 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:47:47,499 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:47:47,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix026_power.opt_tso.opt.i [2024-02-07 14:47:47,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217ddc2a0/7f348ba894384473a4316f973007b835/FLAG3f3ae1512 [2024-02-07 14:47:47,529 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/217ddc2a0/7f348ba894384473a4316f973007b835 [2024-02-07 14:47:47,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:47:47,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:47:47,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:47,531 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:47:47,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:47:47,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:46" (1/2) ... [2024-02-07 14:47:47,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caa73cd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:47, skipping insertion in model container [2024-02-07 14:47:47,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:46" (1/2) ... [2024-02-07 14:47:47,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@719d9dde and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:47:47, skipping insertion in model container [2024-02-07 14:47:47,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:47" (2/2) ... [2024-02-07 14:47:47,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caa73cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:47, skipping insertion in model container [2024-02-07 14:47:47,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:47:47" (2/2) ... [2024-02-07 14:47:47,545 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:47:47,729 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:47:47,731 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,732 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:47:47,732 INFO L76 edCorrectnessWitness]: Location invariant before [L882-L882] ((((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 14:47:47,732 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,733 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (x$w_buff1_used == (_Bool)1 && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((0 <= x$w_buff1) && (x$w_buff1 <= 1)) && (x$w_buff1 == 0 || x$w_buff1 == 1) [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] (((0 <= x) && (x <= 1)) && (x == 0 || x == 1)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1) [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] x$flush_delayed == (_Bool)0 [2024-02-07 14:47:47,734 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,735 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:47,736 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] (((0 <= x) && (x <= 1)) && (x$r_buff1_thd1 == (_Bool)0)) && (x == 0 || x == 1) [2024-02-07 14:47:47,736 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:47:47,736 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,736 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] 1 <= __unbuffered_cnt [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] (x$w_buff0 == 1) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L789-L789] (x$r_buff0_thd3 == (_Bool)0) && (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) [2024-02-07 14:47:47,737 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (x$r_buff1_thd3 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L824-L824] 0 <= __unbuffered_cnt [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L786-L786] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L875-L875] (x$r_buff1_thd0 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:47:47,738 INFO L76 edCorrectnessWitness]: Location invariant before [L871-L871] 0 <= __unbuffered_cnt [2024-02-07 14:47:47,739 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,739 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] 1 <= __unbuffered_cnt [2024-02-07 14:47:47,739 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:47,739 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,739 INFO L76 edCorrectnessWitness]: Location invariant before [L834-L834] (((0 <= z) && (z <= 2)) && (z <= 127)) && ((z == 0 || z == 1) || z == 2) [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] y == 1 [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (x$r_buff0_thd4 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((0 <= x$w_buff0) && (x$w_buff0 <= 1)) && (x$w_buff0 == 0 || x$w_buff0 == 1) [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] x$r_buff1_thd3 == (_Bool)0 [2024-02-07 14:47:47,741 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] ((((x$r_buff1_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd1 == (_Bool)0) || (((x$r_buff0_thd1 == (_Bool)0 && x$r_buff1_thd1 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:47:47,742 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:47:47,742 INFO L76 edCorrectnessWitness]: Location invariant before [L832-L832] z == 2 [2024-02-07 14:47:47,742 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] 0 <= __unbuffered_cnt [2024-02-07 14:47:47,743 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] 0 <= __unbuffered_cnt [2024-02-07 14:47:47,743 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,743 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:47:47,743 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] (x$r_buff0_thd4 == (_Bool)0) && (x$r_buff1_thd3 == (_Bool)0) [2024-02-07 14:47:47,743 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (x$r_buff1_thd4 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,744 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] (x$r_buff1_thd4 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd4 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,744 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] ((0 <= __unbuffered_p1_EAX) && (__unbuffered_p1_EAX <= 1)) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1) [2024-02-07 14:47:47,744 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] a == 1 [2024-02-07 14:47:47,745 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (x$r_buff1_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,745 INFO L76 edCorrectnessWitness]: Location invariant before [L837-L837] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] (((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 2)) && (__unbuffered_p3_EAX <= 127)) && ((__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) || __unbuffered_p3_EAX == 2) [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] (x$r_buff0_thd3 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L825-L825] 1 <= __unbuffered_cnt [2024-02-07 14:47:47,746 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] (x$r_buff1_thd3 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd3 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 1 <= __unbuffered_cnt [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L19-L19] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] x$r_buff1_thd4 == (_Bool)0 [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 14:47:47,747 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:47:47,748 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1) && (((x$w_buff1_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1)) || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) || (x$w_buff0_used == (_Bool)1 && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1))) [2024-02-07 14:47:47,748 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:47:47,748 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] z == 1 [2024-02-07 14:47:47,748 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] 0 <= __unbuffered_cnt [2024-02-07 14:47:47,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:47:48,009 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_power.opt_tso.opt.i[1001,1014] [2024-02-07 14:47:48,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:48,198 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:47:48,236 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_power.opt_tso.opt.i[1001,1014] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 14:47:48,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:47:48,377 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:47:48,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48 WrapperNode [2024-02-07 14:47:48,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:47:48,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:48,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:47:48,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:47:48,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,469 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 180 [2024-02-07 14:47:48,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:47:48,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:47:48,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:47:48,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:47:48,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,524 INFO L175 MemorySlicer]: Split 6 memory accesses to 5 slices as follows [2, 1, 1, 1, 1]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 4 writes are split as follows [0, 1, 1, 1, 1]. [2024-02-07 14:47:48,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:47:48,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:47:48,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:47:48,555 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:47:48,556 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (1/1) ... [2024-02-07 14:47:48,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:47:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:47:48,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-02-07 14:47:48,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-02-07 14:47:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:47:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:47:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:47:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:47:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:47:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:47:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:47:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 14:47:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 14:47:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 14:47:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:47:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:47:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:47:48,625 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-07 14:47:48,770 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:47:48,773 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:47:49,441 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:47:49,443 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:47:49,854 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:47:49,854 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:47:49,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:49 BoogieIcfgContainer [2024-02-07 14:47:49,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:47:49,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:47:49,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:47:49,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:47:49,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:47:46" (1/4) ... [2024-02-07 14:47:49,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233707fe and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:47:49, skipping insertion in model container [2024-02-07 14:47:49,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:47:47" (2/4) ... [2024-02-07 14:47:49,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233707fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:49, skipping insertion in model container [2024-02-07 14:47:49,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:47:48" (3/4) ... [2024-02-07 14:47:49,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233707fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:47:49, skipping insertion in model container [2024-02-07 14:47:49,866 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:47:49" (4/4) ... [2024-02-07 14:47:49,867 INFO L112 eAbstractionObserver]: Analyzing ICFG mix026_power.opt_tso.opt.i [2024-02-07 14:47:49,885 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:47:49,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 77 error locations. [2024-02-07 14:47:49,887 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:47:50,004 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:47:50,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 125 transitions, 266 flow [2024-02-07 14:47:50,123 INFO L124 PetriNetUnfolderBase]: 1/121 cut-off events. [2024-02-07 14:47:50,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:50,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134 conditions, 121 events. 1/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 595 event pairs, 0 based on Foata normal form. 0/43 useless extension candidates. Maximal degree in co-relation 125. Up to 2 conditions per place. [2024-02-07 14:47:50,131 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 125 transitions, 266 flow [2024-02-07 14:47:50,140 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 133 places, 121 transitions, 254 flow [2024-02-07 14:47:50,154 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:47:50,162 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;@37efe7ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:47:50,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 144 error locations. [2024-02-07 14:47:50,165 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:47:50,165 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 14:47:50,166 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:47:50,166 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:47:50,166 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 14:47:50,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 141 more)] === [2024-02-07 14:47:50,175 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:47:50,176 INFO L85 PathProgramCache]: Analyzing trace with hash 23709701, now seen corresponding path program 1 times [2024-02-07 14:47:50,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:47:50,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874929264] [2024-02-07 14:47:50,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:47:50,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:47:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:47:50,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 14:47:50,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:47:50,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874929264] [2024-02-07 14:47:50,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874929264] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:47:50,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:47:50,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:47:50,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288096356] [2024-02-07 14:47:50,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:47:50,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 14:47:50,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:47:50,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 14:47:50,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 14:47:50,439 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 125 [2024-02-07 14:47:50,443 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 121 transitions, 254 flow. Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 14:47:50,443 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:47:50,443 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 125 [2024-02-07 14:47:50,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand