./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_power.opt_rmo.opt.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7c74aec Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_power.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.fix-undeclared-acsl-variable-e7c74ae-m [2024-02-07 19:27:19,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:19,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:19,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:19,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:19,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:19,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:19,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:19,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:19,844 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:19,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:19,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:19,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:19,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:19,846 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:19,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:19,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:19,847 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:19,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:19,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:19,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:19,849 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:19,849 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:19,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:19,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:19,850 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:19,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:19,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:19,851 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:19,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:19,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:19,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:19,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:19,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:19,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:19,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:19,853 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:19,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:19,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:19,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:19,854 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:19,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:19,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:19,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:27:20,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:27:20,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:27:20,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:27:20,146 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:27:20,147 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:27:20,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix036_power.opt_rmo.opt.yml/witness.yml [2024-02-07 19:27:20,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:27:20,374 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:27:20,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i [2024-02-07 19:27:21,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:27:21,869 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:27:21,880 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i [2024-02-07 19:27:21,902 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d80f374/1a871bbe844b479a9ec53cd97b428c02/FLAG9e7c570ca [2024-02-07 19:27:21,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d80f374/1a871bbe844b479a9ec53cd97b428c02 [2024-02-07 19:27:21,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:27:21,920 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:27:21,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:21,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:27:21,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:27:21,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (1/2) ... [2024-02-07 19:27:21,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a83b69 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:21, skipping insertion in model container [2024-02-07 19:27:21,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (1/2) ... [2024-02-07 19:27:21,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a5a0fbf and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:21, skipping insertion in model container [2024-02-07 19:27:21,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:21" (2/2) ... [2024-02-07 19:27:21,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26a83b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:21, skipping insertion in model container [2024-02-07 19:27:21,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:21" (2/2) ... [2024-02-07 19:27:21,940 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:27:22,126 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:27:22,127 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] ((0 <= __unbuffered_p0_EAX) && (__unbuffered_p0_EAX <= 1)) && (__unbuffered_p0_EAX == 0 || __unbuffered_p0_EAX == 1) [2024-02-07 19:27:22,128 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:27:22,128 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:27:22,128 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:27:22,128 INFO L76 edCorrectnessWitness]: Location invariant before [L879-L879] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,128 INFO L76 edCorrectnessWitness]: Location invariant before [L873-L873] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] 0 <= __unbuffered_cnt [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L830-L830] z == 1 [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:22,129 INFO L76 edCorrectnessWitness]: Location invariant before [L833-L833] a == 1 [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L881-L881] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L872-L872] 0 <= __unbuffered_cnt [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L843-L843] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,130 INFO L76 edCorrectnessWitness]: Location invariant before [L835-L835] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:27:22,131 INFO L76 edCorrectnessWitness]: Location invariant before [L780-L780] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,131 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:27:22,131 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:22,132 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] (y$r_buff0_thd4 == (_Bool)0) && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) [2024-02-07 19:27:22,132 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,132 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:27:22,132 INFO L76 edCorrectnessWitness]: Location invariant before [L874-L874] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L878-L878] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (y$r_buff1_thd4 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd4 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] b == 1 [2024-02-07 19:27:22,133 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] 1 <= __unbuffered_cnt [2024-02-07 19:27:22,134 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,134 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:27:22,134 INFO L76 edCorrectnessWitness]: Location invariant before [L836-L836] ((0 <= __unbuffered_p3_EAX) && (__unbuffered_p3_EAX <= 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1) [2024-02-07 19:27:22,134 INFO L76 edCorrectnessWitness]: Location invariant before [L764-L764] 0 <= __unbuffered_cnt [2024-02-07 19:27:22,135 INFO L76 edCorrectnessWitness]: Location invariant before [L787-L787] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:27:22,135 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] 1 <= __unbuffered_cnt [2024-02-07 19:27:22,135 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:27:22,136 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L823-L823] 1 <= __unbuffered_cnt [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L822-L822] 0 <= __unbuffered_cnt [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L777-L777] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,137 INFO L76 edCorrectnessWitness]: Location invariant before [L885-L885] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:22,138 INFO L76 edCorrectnessWitness]: Location invariant before [L788-L788] y$flush_delayed == (_Bool)0 [2024-02-07 19:27:22,138 INFO L76 edCorrectnessWitness]: Location invariant before [L880-L880] (y$r_buff1_thd0 == (_Bool)0 && (y$w_buff1_used == (_Bool)1 || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,138 INFO L76 edCorrectnessWitness]: Location invariant before [L765-L765] 1 <= __unbuffered_cnt [2024-02-07 19:27:22,139 INFO L76 edCorrectnessWitness]: Location invariant before [L883-L883] ((((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p0_EAX == 0)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && ((__unbuffered_p2_EAX == 0 && (__unbuffered_p3_EAX == 1 || ((0 <= __unbuffered_p3_EAX && __unbuffered_p3_EAX <= 1) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || (((((0 <= __unbuffered_p2_EAX && 0 <= __unbuffered_p3_EAX) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1)))) || ((((((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && 0 <= __unbuffered_p3_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && __unbuffered_p3_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)) && (__unbuffered_p3_EAX == 0 || __unbuffered_p3_EAX == 1))) [2024-02-07 19:27:22,139 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] y$r_buff1_thd4 == (_Bool)0 [2024-02-07 19:27:22,139 INFO L76 edCorrectnessWitness]: Location invariant before [L781-L781] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,139 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:22,140 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:22,140 INFO L76 edCorrectnessWitness]: Location invariant before [L884-L884] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:22,140 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:27:22,141 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] x == 1 [2024-02-07 19:27:22,141 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,141 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] 0 <= __unbuffered_cnt [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (y$r_buff0_thd4 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L782-L782] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L877-L877] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,142 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] ((0 <= x) && (x <= 1)) && (x == 0 || x == 1) [2024-02-07 19:27:22,143 INFO L76 edCorrectnessWitness]: Location invariant before [L876-L876] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,143 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:22,143 INFO L76 edCorrectnessWitness]: Location invariant before [L838-L838] ((0 <= b) && (b <= 1)) && (b == 0 || b == 1) [2024-02-07 19:27:22,143 INFO L76 edCorrectnessWitness]: Location invariant before [L785-L785] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:27:22,143 INFO L76 edCorrectnessWitness]: Location invariant before [L839-L839] ((0 <= __unbuffered_p3_EBX) && (__unbuffered_p3_EBX <= 1)) && (__unbuffered_p3_EBX == 0 || __unbuffered_p3_EBX == 1) [2024-02-07 19:27:22,192 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:27:22,377 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] [2024-02-07 19:27:22,547 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:22,557 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:27:22,589 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036_power.opt_rmo.opt.i[958,971] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 19:27:22,728 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:22,765 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:27:22,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22 WrapperNode [2024-02-07 19:27:22,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:22,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:22,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:27:22,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:27:22,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,868 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2024-02-07 19:27:22,872 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:22,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:27:22,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:27:22,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:27:22,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,920 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 19:27:22,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,946 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,948 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:27:22,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:27:22,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:27:22,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:27:22,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (1/1) ... [2024-02-07 19:27:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:27:22,991 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 19:27:23,001 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 19:27:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:27:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:27:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:27:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:27:23,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-02-07 19:27:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:27:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:27:23,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:27:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:27:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:27:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:27:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:27:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:27:23,035 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:27:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:27:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-02-07 19:27:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-02-07 19:27:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:27:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:27:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:27:23,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:27:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-02-07 19:27:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:27:23,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:27:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:27:23,039 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 19:27:23,197 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:27:23,199 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:27:23,728 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:27:23,728 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:27:24,135 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:27:24,135 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:27:24,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:24 BoogieIcfgContainer [2024-02-07 19:27:24,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:27:24,139 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:27:24,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:27:24,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:27:24,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:20" (1/4) ... [2024-02-07 19:27:24,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5861f67e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:24, skipping insertion in model container [2024-02-07 19:27:24,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:27:21" (2/4) ... [2024-02-07 19:27:24,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5861f67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:24, skipping insertion in model container [2024-02-07 19:27:24,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:22" (3/4) ... [2024-02-07 19:27:24,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5861f67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:24, skipping insertion in model container [2024-02-07 19:27:24,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:24" (4/4) ... [2024-02-07 19:27:24,146 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036_power.opt_rmo.opt.i [2024-02-07 19:27:24,185 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:27:24,186 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2024-02-07 19:27:24,186 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:27:24,307 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:27:24,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 19:27:24,413 INFO L124 PetriNetUnfolderBase]: 1/117 cut-off events. [2024-02-07 19:27:24,413 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:24,418 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 31. Compared 561 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 19:27:24,418 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 121 transitions, 258 flow [2024-02-07 19:27:24,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 129 places, 117 transitions, 246 flow [2024-02-07 19:27:24,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:27:24,448 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;@4bd5ca83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:27:24,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 134 error locations. [2024-02-07 19:27:24,455 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:27:24,455 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:27:24,455 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:24,456 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:24,457 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:27:24,457 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 19:27:24,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 23516124, now seen corresponding path program 1 times [2024-02-07 19:27:24,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:24,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297876918] [2024-02-07 19:27:24,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:24,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:27:24,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:24,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297876918] [2024-02-07 19:27:24,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297876918] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:24,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:24,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:24,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053601262] [2024-02-07 19:27:24,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:24,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:27:24,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:24,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:27:24,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:27:24,844 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 19:27:24,847 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 19:27:24,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:24,848 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 19:27:24,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:53,651 INFO L124 PetriNetUnfolderBase]: 245222/335218 cut-off events. [2024-02-07 19:27:53,651 INFO L125 PetriNetUnfolderBase]: For 445/445 co-relation queries the response was YES. [2024-02-07 19:27:54,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 653473 conditions, 335218 events. 245222/335218 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 15966. Compared 2695470 event pairs, 245222 based on Foata normal form. 3360/169921 useless extension candidates. Maximal degree in co-relation 653461. Up to 317226 conditions per place. [2024-02-07 19:27:56,091 INFO L140 encePairwiseOnDemand]: 84/121 looper letters, 53 selfloop transitions, 0 changer transitions 0/66 dead transitions. [2024-02-07 19:27:56,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 66 transitions, 250 flow [2024-02-07 19:27:56,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:27:56,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:27:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 124 transitions. [2024-02-07 19:27:56,101 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.512396694214876 [2024-02-07 19:27:56,103 INFO L175 Difference]: Start difference. First operand has 129 places, 117 transitions, 246 flow. Second operand 2 states and 124 transitions. [2024-02-07 19:27:56,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 66 transitions, 250 flow [2024-02-07 19:27:56,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 66 transitions, 246 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-02-07 19:27:56,119 INFO L231 Difference]: Finished difference. Result has 76 places, 66 transitions, 140 flow [2024-02-07 19:27:56,121 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=121, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=140, PETRI_PLACES=76, PETRI_TRANSITIONS=66} [2024-02-07 19:27:56,124 INFO L281 CegarLoopForPetriNet]: 129 programPoint places, -53 predicate places. [2024-02-07 19:27:56,124 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 66 transitions, 140 flow [2024-02-07 19:27:56,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:27:56,125 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:56,125 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-02-07 19:27:56,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:27:56,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 131 more)] === [2024-02-07 19:27:56,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:56,126 INFO L85 PathProgramCache]: Analyzing trace with hash 729000703, now seen corresponding path program 1 times [2024-02-07 19:27:56,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:56,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462426148] [2024-02-07 19:27:56,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:56,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-02-07 19:27:56,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:56,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462426148] [2024-02-07 19:27:56,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462426148] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:56,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:56,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:56,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34862629] [2024-02-07 19:27:56,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:56,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 19:27:56,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:56,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 19:27:56,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 19:27:56,209 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 121 [2024-02-07 19:27:56,209 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 66 transitions, 140 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-02-07 19:27:56,209 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:56,209 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 121 [2024-02-07 19:27:56,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand