./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe029_power.opt_pso.opt_rmo.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/safe029_power.opt_pso.opt_rmo.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/safe029_power.opt_pso.opt_rmo.opt.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-958ec4d-m [2024-02-07 14:52:56,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 14:52:56,388 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 14:52:56,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 14:52:56,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 14:52:56,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 14:52:56,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 14:52:56,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 14:52:56,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 14:52:56,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 14:52:56,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 14:52:56,410 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 14:52:56,410 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 14:52:56,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 14:52:56,411 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 14:52:56,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 14:52:56,412 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 14:52:56,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 14:52:56,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 14:52:56,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 14:52:56,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 14:52:56,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 14:52:56,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 14:52:56,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 14:52:56,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 14:52:56,414 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 14:52:56,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 14:52:56,414 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 14:52:56,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 14:52:56,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 14:52:56,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 14:52:56,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 14:52:56,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:56,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 14:52:56,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 14:52:56,418 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 14:52:56,418 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 14:52:56,418 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 14:52:56,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 14:52:56,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 14:52:56,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 14:52:56,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 14:52:56,634 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 14:52:56,634 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 14:52:56,635 INFO L431 ainManager$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/safe029_power.opt_pso.opt_rmo.opt.yml/witness.yml [2024-02-07 14:52:56,786 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 14:52:56,786 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 14:52:56,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:52:57,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 14:52:58,070 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 14:52:58,071 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:52:58,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73152c0d/e8abf85420d641d8a5a58b206c1257ab/FLAGce9bbcb04 [2024-02-07 14:52:58,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c73152c0d/e8abf85420d641d8a5a58b206c1257ab [2024-02-07 14:52:58,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 14:52:58,102 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 14:52:58,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:58,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 14:52:58,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 14:52:58,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:56" (1/2) ... [2024-02-07 14:52:58,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6c8eeb and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:58, skipping insertion in model container [2024-02-07 14:52:58,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:56" (1/2) ... [2024-02-07 14:52:58,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4041cf32 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 02:52:58, skipping insertion in model container [2024-02-07 14:52:58,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:58" (2/2) ... [2024-02-07 14:52:58,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6c8eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58, skipping insertion in model container [2024-02-07 14:52:58,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 02:52:58" (2/2) ... [2024-02-07 14:52:58,111 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 14:52:58,237 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 14:52:58,239 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] y == 1 [2024-02-07 14:52:58,239 INFO L76 edCorrectnessWitness]: Location invariant before [L762-L762] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:52:58,239 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,239 INFO L76 edCorrectnessWitness]: Location invariant before [L810-L810] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,239 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 14:52:58,240 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] (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 14:52:58,240 INFO L76 edCorrectnessWitness]: Location invariant before [L821-L821] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 14:52:58,240 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] 1 <= __unbuffered_cnt [2024-02-07 14:52:58,240 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] 0 <= __unbuffered_cnt [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] (((0 <= x) && (x <= 2)) && (x <= 127)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L758-L758] (x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)1) [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L759-L759] x$r_buff0_thd0 == (_Bool)0 [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L760-L760] (x$r_buff0_thd1 == (_Bool)0) && (x$r_buff1_thd0 == (_Bool)0) [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L738-L738] x == 1 [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,241 INFO L76 edCorrectnessWitness]: Location invariant before [L742-L742] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,242 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,242 INFO L76 edCorrectnessWitness]: Location invariant before [L745-L745] x$r_buff1_thd1 == (_Bool)0 [2024-02-07 14:52:58,242 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:58,242 INFO L76 edCorrectnessWitness]: Location invariant before [L741-L741] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,242 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] (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 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L807-L807] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] x$r_buff0_thd2 == (_Bool)1 [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L801-L801] (x$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$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] 0 <= __unbuffered_cnt [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L748-L748] 1 <= __unbuffered_cnt [2024-02-07 14:52:58,243 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] (x$w_buff0 == 2) && (x$w_buff0_used == (_Bool)0 || x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L761-L761] (x$r_buff1_thd1 == (_Bool)0) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L804-L804] x$r_buff1_thd0 == (_Bool)0 [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L735-L735] y == 2 [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L757-L757] x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1 [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((((0 <= x) && (x <= 2)) && (x <= 127)) && (x$flush_delayed == (_Bool)0 || x$flush_delayed == (_Bool)1)) && ((x == 0 || x == 1) || x == 2) [2024-02-07 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] (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 14:52:58,244 INFO L76 edCorrectnessWitness]: Location invariant before [L817-L817] ((((0 <= y) && (y <= 2)) && (y <= 127)) && (x == 2)) && ((y == 0 || y == 1) || y == 2) [2024-02-07 14:52:58,245 INFO L76 edCorrectnessWitness]: Location invariant before [L740-L740] (x$r_buff1_thd1 == (_Bool)0 && x$w_buff1_used == (_Bool)1) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,245 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:58,246 INFO L76 edCorrectnessWitness]: Location invariant before [L744-L744] (x$r_buff1_thd1 == (_Bool)0 && (x$w_buff1_used == (_Bool)1 || (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd1 == (_Bool)0 && x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,246 INFO L76 edCorrectnessWitness]: Location invariant before [L747-L747] 0 <= __unbuffered_cnt [2024-02-07 14:52:58,246 INFO L76 edCorrectnessWitness]: Location invariant before [L754-L754] ((((0 <= x$w_buff0) && (x$w_buff0 <= 2)) && (x$w_buff0 <= 127)) && (x$w_buff0 % 2 == 0)) && (x$w_buff0 == 0 || x$w_buff0 == 2) [2024-02-07 14:52:58,246 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 14:52:58,246 INFO L76 edCorrectnessWitness]: Location invariant before [L820-L820] x$flush_delayed == (_Bool)0 [2024-02-07 14:52:58,247 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,247 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] (x$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$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,247 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] (x$w_buff0_used == (_Bool)1) && (x$r_buff0_thd2 == (_Bool)0 || x$r_buff0_thd2 == (_Bool)1) [2024-02-07 14:52:58,247 INFO L76 edCorrectnessWitness]: Location invariant before [L743-L743] (x$r_buff0_thd1 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,247 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,248 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] ((((x$r_buff1_thd0 == (_Bool)0 && x$w_buff0_used == (_Bool)1) && x$w_buff1_used == (_Bool)1) || x$r_buff0_thd0 == (_Bool)0) || (((x$r_buff0_thd0 == (_Bool)0 && x$r_buff1_thd0 == (_Bool)0) && x$w_buff0_used == (_Bool)1) && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1))) || (x$r_buff0_thd0 == (_Bool)0 && (x$w_buff1_used == (_Bool)0 || x$w_buff1_used == (_Bool)1)) [2024-02-07 14:52:58,248 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] x$r_buff1_thd2 == (_Bool)0 || x$r_buff1_thd2 == (_Bool)1 [2024-02-07 14:52:58,248 INFO L76 edCorrectnessWitness]: Location invariant before [L802-L802] (x$r_buff0_thd0 == (_Bool)0) && (x$w_buff0_used == (_Bool)1) [2024-02-07 14:52:58,248 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((((0LL - (long long )x$r_buff0_thd0) + (long long )x$w_buff0_used >= 0LL) && ((long long )x$r_buff0_thd0 + (long long )x$w_buff0_used >= 0LL)) && ((0LL - (long long )x$r_buff0_thd0) - (long long )x$w_buff0_used >= 0LL)) && ((long long )x$r_buff0_thd0 - (long long )x$w_buff0_used >= 0LL) [2024-02-07 14:52:58,248 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] (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 14:52:58,249 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] ((((0 <= x$w_buff1) && (x$w_buff1 <= 2)) && (x$w_buff1 <= 127)) && (x$w_buff1 % 2 == 0)) && (x$w_buff1 == 0 || x$w_buff1 == 2) [2024-02-07 14:52:58,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2024-02-07 14:52:58,434 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/safe029_power.opt_pso.opt_rmo.opt.i[967,980] [2024-02-07 14:52:58,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:58,580 INFO L203 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 14:52:58,620 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/safe029_power.opt_pso.opt_rmo.opt.i[967,980] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local 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 14:52:58,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-02-07 14:52:58,764 INFO L207 MainTranslator]: Completed translation [2024-02-07 14:52:58,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58 WrapperNode [2024-02-07 14:52:58,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 14:52:58,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:58,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 14:52:58,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 14:52:58,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,820 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2024-02-07 14:52:58,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 14:52:58,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 14:52:58,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 14:52:58,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 14:52:58,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,832 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,845 INFO L175 MemorySlicer]: Split 4 memory accesses to 3 slices as follows [2, 1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-02-07 14:52:58,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 14:52:58,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 14:52:58,861 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 14:52:58,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 14:52:58,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (1/1) ... [2024-02-07 14:52:58,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 14:52:58,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 14:52:58,913 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 14:52:58,932 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 14:52:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 14:52:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 14:52:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 14:52:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 14:52:58,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 14:52:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 14:52:58,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 14:52:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 14:52:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 14:52:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 14:52:58,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 14:52:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 14:52:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 14:52:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 14:52:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 14:52:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 14:52:58,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 14:52:58,948 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 14:52:59,078 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 14:52:59,079 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 14:52:59,457 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 14:52:59,457 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 14:52:59,804 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 14:52:59,804 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 14:52:59,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:59 BoogieIcfgContainer [2024-02-07 14:52:59,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 14:52:59,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 14:52:59,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 14:52:59,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 14:52:59,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 02:52:56" (1/4) ... [2024-02-07 14:52:59,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292d6e39 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 02:52:58" (2/4) ... [2024-02-07 14:52:59,812 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292d6e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 02:52:58" (3/4) ... [2024-02-07 14:52:59,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@292d6e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 02:52:59, skipping insertion in model container [2024-02-07 14:52:59,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 02:52:59" (4/4) ... [2024-02-07 14:52:59,814 INFO L112 eAbstractionObserver]: Analyzing ICFG safe029_power.opt_pso.opt_rmo.opt.i [2024-02-07 14:52:59,828 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 14:52:59,828 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 57 error locations. [2024-02-07 14:52:59,828 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 14:52:59,892 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 14:52:59,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 87 transitions, 182 flow [2024-02-07 14:52:59,963 INFO L124 PetriNetUnfolderBase]: 1/85 cut-off events. [2024-02-07 14:52:59,964 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:59,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 85 events. 1/85 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 420 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2024-02-07 14:52:59,967 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 87 transitions, 182 flow [2024-02-07 14:52:59,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 85 transitions, 176 flow [2024-02-07 14:52:59,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 14:52:59,994 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;@2e22b62c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 14:52:59,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 90 error locations. [2024-02-07 14:52:59,996 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 14:52:59,996 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-02-07 14:52:59,996 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 14:52:59,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:52:59,997 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-02-07 14:52:59,997 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-07 14:53:00,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:00,001 INFO L85 PathProgramCache]: Analyzing trace with hash 19176, now seen corresponding path program 1 times [2024-02-07 14:53:00,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:00,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580438923] [2024-02-07 14:53:00,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:00,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 14:53:00,354 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 14:53:00,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 14:53:00,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580438923] [2024-02-07 14:53:00,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580438923] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 14:53:00,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 14:53:00,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 14:53:00,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360750644] [2024-02-07 14:53:00,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 14:53:00,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-02-07 14:53:00,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 14:53:00,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-02-07 14:53:00,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-02-07 14:53:00,399 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 87 [2024-02-07 14:53:00,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 85 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 14:53:00,401 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 14:53:00,401 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 87 [2024-02-07 14:53:00,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 14:53:00,676 INFO L124 PetriNetUnfolderBase]: 277/611 cut-off events. [2024-02-07 14:53:00,677 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-02-07 14:53:00,678 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1166 conditions, 611 events. 277/611 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 3232 event pairs, 145 based on Foata normal form. 10/355 useless extension candidates. Maximal degree in co-relation 1154. Up to 368 conditions per place. [2024-02-07 14:53:00,682 INFO L140 encePairwiseOnDemand]: 51/87 looper letters, 41 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2024-02-07 14:53:00,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 52 transitions, 196 flow [2024-02-07 14:53:00,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-02-07 14:53:00,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-02-07 14:53:00,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 119 transitions. [2024-02-07 14:53:00,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4559386973180077 [2024-02-07 14:53:00,693 INFO L175 Difference]: Start difference. First operand has 91 places, 85 transitions, 176 flow. Second operand 3 states and 119 transitions. [2024-02-07 14:53:00,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 52 transitions, 196 flow [2024-02-07 14:53:00,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-02-07 14:53:00,699 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 102 flow [2024-02-07 14:53:00,701 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2024-02-07 14:53:00,703 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -41 predicate places. [2024-02-07 14:53:00,703 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 102 flow [2024-02-07 14:53:00,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 14:53:00,704 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 14:53:00,704 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 14:53:00,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 14:53:00,704 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 87 more)] === [2024-02-07 14:53:00,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 14:53:00,705 INFO L85 PathProgramCache]: Analyzing trace with hash -86055901, now seen corresponding path program 1 times [2024-02-07 14:53:00,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 14:53:00,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182065885] [2024-02-07 14:53:00,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 14:53:00,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 14:53:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:00,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 14:53:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 14:53:00,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 14:53:00,741 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 14:53:00,742 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 90 remaining) [2024-02-07 14:53:00,743 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 90 remaining) [2024-02-07 14:53:00,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 90 remaining) [2024-02-07 14:53:00,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 90 remaining) [2024-02-07 14:53:00,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 90 remaining) [2024-02-07 14:53:00,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 90 remaining) [2024-02-07 14:53:00,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 90 remaining) [2024-02-07 14:53:00,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 90 remaining) [2024-02-07 14:53:00,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 90 remaining) [2024-02-07 14:53:00,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 90 remaining) [2024-02-07 14:53:00,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 90 remaining) [2024-02-07 14:53:00,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 90 remaining) [2024-02-07 14:53:00,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (72 of 90 remaining) [2024-02-07 14:53:00,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 90 remaining) [2024-02-07 14:53:00,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 90 remaining) [2024-02-07 14:53:00,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 90 remaining) [2024-02-07 14:53:00,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 90 remaining) [2024-02-07 14:53:00,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 90 remaining) [2024-02-07 14:53:00,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 90 remaining) [2024-02-07 14:53:00,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 90 remaining) [2024-02-07 14:53:00,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 90 remaining) [2024-02-07 14:53:00,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 90 remaining) [2024-02-07 14:53:00,748 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 90 remaining) [2024-02-07 14:53:00,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 90 remaining) [2024-02-07 14:53:00,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 90 remaining) [2024-02-07 14:53:00,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 90 remaining) [2024-02-07 14:53:00,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 90 remaining) [2024-02-07 14:53:00,749 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 90 remaining) [2024-02-07 14:53:00,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 90 remaining) [2024-02-07 14:53:00,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 90 remaining) [2024-02-07 14:53:00,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 90 remaining) [2024-02-07 14:53:00,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 90 remaining) [2024-02-07 14:53:00,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 90 remaining) [2024-02-07 14:53:00,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 90 remaining) [2024-02-07 14:53:00,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 90 remaining) [2024-02-07 14:53:00,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 90 remaining) [2024-02-07 14:53:00,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (48 of 90 remaining) [2024-02-07 14:53:00,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 90 remaining) [2024-02-07 14:53:00,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 90 remaining) [2024-02-07 14:53:00,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 90 remaining) [2024-02-07 14:53:00,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 90 remaining) [2024-02-07 14:53:00,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 90 remaining) [2024-02-07 14:53:00,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 90 remaining) [2024-02-07 14:53:00,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 90 remaining) [2024-02-07 14:53:00,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 90 remaining) [2024-02-07 14:53:00,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 90 remaining) [2024-02-07 14:53:00,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 90 remaining) [2024-02-07 14:53:00,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 90 remaining) [2024-02-07 14:53:00,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 90 remaining) [2024-02-07 14:53:00,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 90 remaining) [2024-02-07 14:53:00,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 90 remaining) [2024-02-07 14:53:00,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 90 remaining) [2024-02-07 14:53:00,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (32 of 90 remaining) [2024-02-07 14:53:00,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 90 remaining) [2024-02-07 14:53:00,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 90 remaining) [2024-02-07 14:53:00,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 90 remaining) [2024-02-07 14:53:00,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 90 remaining) [2024-02-07 14:53:00,755 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 90 remaining) [2024-02-07 14:53:00,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err4ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 90 remaining) [2024-02-07 14:53:00,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err5ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 90 remaining) [2024-02-07 14:53:00,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err6ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 90 remaining) [2024-02-07 14:53:00,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err7ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 90 remaining) [2024-02-07 14:53:00,756 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err8ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 90 remaining) [2024-02-07 14:53:00,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err9ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 90 remaining) [2024-02-07 14:53:00,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 90 remaining) [2024-02-07 14:53:00,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 90 remaining) [2024-02-07 14:53:00,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 90 remaining) [2024-02-07 14:53:00,757 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 90 remaining) [2024-02-07 14:53:00,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 90 remaining) [2024-02-07 14:53:00,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 90 remaining) [2024-02-07 14:53:00,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONERROR_FUNCTION (14 of 90 remaining) [2024-02-07 14:53:00,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 90 remaining) [2024-02-07 14:53:00,758 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 90 remaining) [2024-02-07 14:53:00,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 90 remaining) [2024-02-07 14:53:00,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 90 remaining) [2024-02-07 14:53:00,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 90 remaining) [2024-02-07 14:53:00,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 90 remaining) [2024-02-07 14:53:00,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 90 remaining) [2024-02-07 14:53:00,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 90 remaining) [2024-02-07 14:53:00,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 90 remaining) [2024-02-07 14:53:00,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 90 remaining) [2024-02-07 14:53:00,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 90 remaining) [2024-02-07 14:53:00,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 90 remaining) [2024-02-07 14:53:00,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 90 remaining) [2024-02-07 14:53:00,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 90 remaining) [2024-02-07 14:53:00,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 14:53:00,761 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 14:53:00,766 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 14:53:00,767 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 14:53:00,785 INFO L503 ceAbstractionStarter]: Automizer considered 55 witness invariants [2024-02-07 14:53:00,785 INFO L504 ceAbstractionStarter]: WitnessConsidered=55 [2024-02-07 14:53:00,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 02:53:00 BasicIcfg [2024-02-07 14:53:00,786 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 14:53:00,786 INFO L158 Benchmark]: Toolchain (without parser) took 2684.30ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 155.7MB in the beginning and 146.9MB in the end (delta: 8.8MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,786 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:00,787 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 14:53:00,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 661.70ms. Allocated memory is still 184.5MB. Free memory was 155.5MB in the beginning and 110.6MB in the end (delta: 44.9MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.84ms. Allocated memory is still 184.5MB. Free memory was 110.6MB in the beginning and 107.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,787 INFO L158 Benchmark]: Boogie Preprocessor took 40.23ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,788 INFO L158 Benchmark]: RCFGBuilder took 944.20ms. Allocated memory is still 184.5MB. Free memory was 103.3MB in the beginning and 145.4MB in the end (delta: -42.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,788 INFO L158 Benchmark]: TraceAbstraction took 977.26ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 144.3MB in the beginning and 146.9MB in the end (delta: -2.6MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2024-02-07 14:53:00,789 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 90.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 661.70ms. Allocated memory is still 184.5MB. Free memory was 155.5MB in the beginning and 110.6MB in the end (delta: 44.9MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.84ms. Allocated memory is still 184.5MB. Free memory was 110.6MB in the beginning and 107.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.23ms. Allocated memory is still 184.5MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 944.20ms. Allocated memory is still 184.5MB. Free memory was 103.3MB in the beginning and 145.4MB in the end (delta: -42.1MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * TraceAbstraction took 977.26ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 144.3MB in the beginning and 146.9MB in the end (delta: -2.6MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 740]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L713] 0 _Bool x$flush_delayed; [L714] 0 int x$mem_tmp; [L715] 0 _Bool x$r_buff0_thd0; [L716] 0 _Bool x$r_buff0_thd1; [L717] 0 _Bool x$r_buff0_thd2; [L718] 0 _Bool x$r_buff1_thd0; [L719] 0 _Bool x$r_buff1_thd1; [L720] 0 _Bool x$r_buff1_thd2; [L721] 0 _Bool x$read_delayed; [L722] 0 int *x$read_delayed_var; [L723] 0 int x$w_buff0; [L724] 0 _Bool x$w_buff0_used; [L725] 0 int x$w_buff1; [L726] 0 _Bool x$w_buff1_used; [L728] 0 int y = 0; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L790] 0 pthread_t t2475; VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475={3:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L791] 0 CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[x$r_buff0_thd0]],CastExpression[ACSLType[long long],IdentifierExpression[x$w_buff0_used]]],IntegerLiteral[0LL]]]]] [L791] FCALL, FORK 0 pthread_create(&t2475, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2475={3:0}, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L734] 1 y = 2 [L735] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[y],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L737] 1 x = 1 [L738] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[1]]]] VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L740] 1 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$r_buff1_thd1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff1_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]],BinaryExpression[LOGICAND,BinaryExpression[COMPEQ,IdentifierExpression[x$r_buff0_thd1],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[x$w_buff0_used],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [__unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] - UnprovableResult [Line: 735]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 738]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 741]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 742]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 743]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 744]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 745]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 747]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 748]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 754]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 755]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 756]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 757]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 758]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 759]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 760]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 761]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 762]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 766]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 768]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 769]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 770]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 771]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 772]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 773]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 775]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 776]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 795]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 796]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 797]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 799]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 800]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 801]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 802]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 804]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 807]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 808]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 809]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 810]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 812]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 815]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 134 locations, 90 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 0 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=176occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-02-07 14:53:00,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE