./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix038.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/mix038.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/mix038.opt.i ./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix038.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 19:27:23,350 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-07 19:27:23,405 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-02-07 19:27:23,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-07 19:27:23,408 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-07 19:27:23,421 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-07 19:27:23,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-07 19:27:23,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-07 19:27:23,422 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-02-07 19:27:23,422 INFO L153 SettingsManager]: * Use memory slicer=true [2024-02-07 19:27:23,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-02-07 19:27:23,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-02-07 19:27:23,423 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-07 19:27:23,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-07 19:27:23,424 INFO L153 SettingsManager]: * Use SBE=true [2024-02-07 19:27:23,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-07 19:27:23,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-02-07 19:27:23,425 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-07 19:27:23,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-07 19:27:23,425 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-07 19:27:23,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-07 19:27:23,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-02-07 19:27:23,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-02-07 19:27:23,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-02-07 19:27:23,427 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-02-07 19:27:23,427 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-07 19:27:23,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-07 19:27:23,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-07 19:27:23,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-07 19:27:23,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-07 19:27:23,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-02-07 19:27:23,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-02-07 19:27:23,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:23,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-07 19:27:23,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-02-07 19:27:23,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-02-07 19:27:23,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-07 19:27:23,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-02-07 19:27:23,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-07 19:27:23,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-02-07 19:27:23,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-02-07 19:27:23,431 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-02-07 19:27:23,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-02-07 19:27:23,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-02-07 19:27:23,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-07 19:27:23,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-07 19:27:23,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-07 19:27:23,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-02-07 19:27:23,632 INFO L274 PluginConnector]: CDTParser initialized [2024-02-07 19:27:23,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix038.opt.i [2024-02-07 19:27:24,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-02-07 19:27:24,953 INFO L384 CDTParser]: Found 1 translation units. [2024-02-07 19:27:24,953 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix038.opt.i [2024-02-07 19:27:24,966 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b41286d9/ed0aa3ca280343b4862d3212e8a5d1cb/FLAG5ab37b95d [2024-02-07 19:27:24,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b41286d9/ed0aa3ca280343b4862d3212e8a5d1cb [2024-02-07 19:27:24,982 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-02-07 19:27:24,984 INFO L274 PluginConnector]: Witness Parser initialized [2024-02-07 19:27:24,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2024-02-07_10-47-16.files/SV-COMP24_unreach-call/mix038.opt.yml/witness.yml [2024-02-07 19:27:25,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-07 19:27:25,125 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-02-07 19:27:25,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:25,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-02-07 19:27:25,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-02-07 19:27:25,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:24" (1/2) ... [2024-02-07 19:27:25,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173f5dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:25, skipping insertion in model container [2024-02-07 19:27:25,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 07:27:24" (1/2) ... [2024-02-07 19:27:25,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b5c568c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 07:27:25, skipping insertion in model container [2024-02-07 19:27:25,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:25" (2/2) ... [2024-02-07 19:27:25,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173f5dd2 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25, skipping insertion in model container [2024-02-07 19:27:25,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:25" (2/2) ... [2024-02-07 19:27:25,137 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-02-07 19:27:25,282 INFO L74 edCorrectnessWitness]: Found the following entries in the witness: [2024-02-07 19:27:25,284 INFO L76 edCorrectnessWitness]: Location invariant before [L779-L779] y$flush_delayed == (_Bool)0 [2024-02-07 19:27:25,284 INFO L76 edCorrectnessWitness]: Location invariant before [L811-L811] (y$w_buff1_used == (_Bool)1 && (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) [2024-02-07 19:27:25,284 INFO L76 edCorrectnessWitness]: Location invariant before [L844-L844] (y$r_buff1_thd0 == (_Bool)0 && y$w_buff1_used == (_Bool)1) || (y$r_buff0_thd0 == (_Bool)0 && y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,284 INFO L76 edCorrectnessWitness]: Location invariant before [L845-L845] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,285 INFO L76 edCorrectnessWitness]: Location invariant before [L798-L798] (y$r_buff1_thd2 == (_Bool)0) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:25,285 INFO L76 edCorrectnessWitness]: Location invariant before [L815-L815] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:25,285 INFO L76 edCorrectnessWitness]: Location invariant before [L792-L792] (y$w_buff0 == 1) && (y$w_buff0_used == (_Bool)0 || y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L797-L797] (y$r_buff0_thd2 == (_Bool)0) && (y$r_buff1_thd1 == (_Bool)0) [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L778-L778] ((0 <= y) && (y <= 1)) && (y == 0 || y == 1) [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L853-L853] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L748-L748] a == 1 [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L818-L818] 0 <= __unbuffered_cnt [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L769-L769] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L776-L776] (((0 <= y) && (y <= 1)) && (y$r_buff1_thd2 == (_Bool)0)) && (y == 0 || y == 1) [2024-02-07 19:27:25,286 INFO L76 edCorrectnessWitness]: Location invariant before [L756-L756] 1 <= __unbuffered_cnt [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L795-L795] y$r_buff0_thd0 == (_Bool)0 [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L799-L799] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L771-L771] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L755-L755] 0 <= __unbuffered_cnt [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L796-L796] (y$r_buff0_thd1 == (_Bool)0) && (y$r_buff1_thd0 == (_Bool)0) [2024-02-07 19:27:25,287 INFO L76 edCorrectnessWitness]: Location invariant before [L812-L812] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L784-L784] 1 <= __unbuffered_cnt [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L809-L809] ((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1) [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L794-L794] (y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)1) [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L816-L816] y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1 [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L767-L767] weak$$choice2 == (_Bool)0 || weak$$choice2 == (_Bool)1 [2024-02-07 19:27:25,288 INFO L76 edCorrectnessWitness]: Location invariant before [L849-L849] y$r_buff1_thd0 == (_Bool)0 [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L790-L790] ((0 <= y$w_buff0) && (y$w_buff0 <= 1)) && (y$w_buff0 == 0 || y$w_buff0 == 1) [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L793-L793] y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1 [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L846-L846] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L840-L840] 0 <= __unbuffered_cnt [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L852-L852] main$tmp_guard1 == (_Bool)0 || main$tmp_guard1 == (_Bool)1 [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L768-L768] (((0 <= y) && (y <= 1)) && (y == 0 || y == 1)) && (y$flush_delayed == (_Bool)0 || y$flush_delayed == (_Bool)1) [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L772-L772] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,289 INFO L76 edCorrectnessWitness]: Location invariant before [L819-L819] 1 <= __unbuffered_cnt [2024-02-07 19:27:25,290 INFO L76 edCorrectnessWitness]: Location invariant before [L805-L805] ((0 <= z) && (z <= 1)) && (z == 0 || z == 1) [2024-02-07 19:27:25,290 INFO L76 edCorrectnessWitness]: Location invariant before [L770-L770] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,290 INFO L76 edCorrectnessWitness]: Location invariant before [L814-L814] (y$w_buff0_used == (_Bool)1) && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1) [2024-02-07 19:27:25,291 INFO L76 edCorrectnessWitness]: Location invariant before [L842-L842] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:25,291 INFO L76 edCorrectnessWitness]: Location invariant before [L803-L803] z == 1 [2024-02-07 19:27:25,291 INFO L76 edCorrectnessWitness]: Location invariant before [L800-L800] y$r_buff0_thd3 == (_Bool)1 [2024-02-07 19:27:25,291 INFO L76 edCorrectnessWitness]: Location invariant before [L848-L848] (y$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$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,291 INFO L76 edCorrectnessWitness]: Location invariant before [L851-L851] ((((0 <= __unbuffered_p2_EBX) && (__unbuffered_p2_EBX <= 1)) && (x == 2)) && (__unbuffered_p2_EBX == 0 || __unbuffered_p2_EBX == 1)) && ((__unbuffered_p1_EAX == 0 && (__unbuffered_p2_EAX == 1 || ((0 <= __unbuffered_p2_EAX && __unbuffered_p2_EAX <= 1) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1)))) || (((((0 <= __unbuffered_p1_EAX && 0 <= __unbuffered_p2_EAX) && __unbuffered_p1_EAX <= 1) && __unbuffered_p2_EAX <= 1) && (__unbuffered_p1_EAX == 0 || __unbuffered_p1_EAX == 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1))) [2024-02-07 19:27:25,292 INFO L76 edCorrectnessWitness]: Location invariant before [L773-L773] ((((y$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$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,292 INFO L76 edCorrectnessWitness]: Location invariant before [L806-L806] ((0 <= __unbuffered_p2_EAX) && (__unbuffered_p2_EAX <= 1)) && (__unbuffered_p2_EAX == 0 || __unbuffered_p2_EAX == 1) [2024-02-07 19:27:25,292 INFO L76 edCorrectnessWitness]: Location invariant before [L774-L774] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,292 INFO L76 edCorrectnessWitness]: Location invariant before [L775-L775] ((((y$r_buff1_thd2 == (_Bool)0 && y$w_buff0_used == (_Bool)1) && y$w_buff1_used == (_Bool)1) || y$r_buff0_thd2 == (_Bool)0) || (((y$r_buff0_thd2 == (_Bool)0 && y$r_buff1_thd2 == (_Bool)0) && y$w_buff0_used == (_Bool)1) && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1))) || (y$r_buff0_thd2 == (_Bool)0 && (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L751-L751] x == 1 [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L808-L808] ((0 <= a) && (a <= 1)) && (a == 0 || a == 1) [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L813-L813] (y$r_buff1_thd3 == (_Bool)0 || y$r_buff1_thd3 == (_Bool)1) && (((y$w_buff1_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1)) || (y$w_buff1_used == (_Bool)0 || y$w_buff1_used == (_Bool)1)) || (y$w_buff0_used == (_Bool)1 && (y$r_buff0_thd3 == (_Bool)0 || y$r_buff0_thd3 == (_Bool)1))) [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L783-L783] 0 <= __unbuffered_cnt [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L847-L847] (y$r_buff0_thd0 == (_Bool)0) && (y$w_buff0_used == (_Bool)1) [2024-02-07 19:27:25,293 INFO L76 edCorrectnessWitness]: Location invariant before [L766-L766] weak$$choice0 == (_Bool)0 || weak$$choice0 == (_Bool)1 [2024-02-07 19:27:25,294 INFO L76 edCorrectnessWitness]: Location invariant before [L763-L763] x == 2 [2024-02-07 19:27:25,294 INFO L76 edCorrectnessWitness]: Location invariant before [L791-L791] ((0 <= y$w_buff1) && (y$w_buff1 <= 1)) && (y$w_buff1 == 0 || y$w_buff1 == 1) [2024-02-07 19:27:25,294 INFO L76 edCorrectnessWitness]: Location invariant before [L841-L841] main$tmp_guard0 == (_Bool)0 || main$tmp_guard0 == (_Bool)1 [2024-02-07 19:27:25,295 INFO L76 edCorrectnessWitness]: Location invariant before [L18-L18] ((0 <= expression) && (expression <= 1)) && (expression == 0 || expression == 1) [2024-02-07 19:27:25,337 INFO L181 MainTranslator]: Built tables and reachable declarations [2024-02-07 19:27:25,495 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/mix038.opt.i[944,957] [2024-02-07 19:27:25,654 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:25,664 INFO L206 MainTranslator]: Completed pre-run Start Parsing Local [2024-02-07 19:27:25,700 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/mix038.opt.i[944,957] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-02-07 19:27:25,808 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-02-07 19:27:25,849 INFO L211 MainTranslator]: Completed translation [2024-02-07 19:27:25,849 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25 WrapperNode [2024-02-07 19:27:25,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-02-07 19:27:25,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:25,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-07 19:27:25,851 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-07 19:27:25,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,935 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-02-07 19:27:25,936 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-07 19:27:25,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-07 19:27:25,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-07 19:27:25,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-07 19:27:25,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,976 INFO L175 MemorySlicer]: Split 5 memory accesses to 4 slices as follows [2, 1, 1, 1]. 40 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-02-07 19:27:25,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:25,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,024 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-07 19:27:26,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-07 19:27:26,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-07 19:27:26,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-07 19:27:26,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (1/1) ... [2024-02-07 19:27:26,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-02-07 19:27:26,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-07 19:27:26,101 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 19:27:26,104 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 19:27:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-02-07 19:27:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-02-07 19:27:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-02-07 19:27:26,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-02-07 19:27:26,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-02-07 19:27:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-02-07 19:27:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-02-07 19:27:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-02-07 19:27:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-02-07 19:27:26,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-02-07 19:27:26,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-02-07 19:27:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-02-07 19:27:26,152 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-02-07 19:27:26,152 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-02-07 19:27:26,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-07 19:27:26,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-07 19:27:26,155 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 19:27:26,290 INFO L244 CfgBuilder]: Building ICFG [2024-02-07 19:27:26,291 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-07 19:27:26,730 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-02-07 19:27:26,730 INFO L293 CfgBuilder]: Performing block encoding [2024-02-07 19:27:27,097 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-07 19:27:27,098 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-02-07 19:27:27,099 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:27 BoogieIcfgContainer [2024-02-07 19:27:27,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-07 19:27:27,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-02-07 19:27:27,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-02-07 19:27:27,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-02-07 19:27:27,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 07:27:24" (1/4) ... [2024-02-07 19:27:27,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5533274d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 07:27:27, skipping insertion in model container [2024-02-07 19:27:27,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 07.02 07:27:25" (2/4) ... [2024-02-07 19:27:27,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5533274d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:27, skipping insertion in model container [2024-02-07 19:27:27,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 07.02 07:27:25" (3/4) ... [2024-02-07 19:27:27,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5533274d and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 07.02 07:27:27, skipping insertion in model container [2024-02-07 19:27:27,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.02 07:27:27" (4/4) ... [2024-02-07 19:27:27,109 INFO L112 eAbstractionObserver]: Analyzing ICFG mix038.opt.i [2024-02-07 19:27:27,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-02-07 19:27:27,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-02-07 19:27:27,126 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-02-07 19:27:27,221 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-02-07 19:27:27,253 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 100 transitions, 212 flow [2024-02-07 19:27:27,306 INFO L124 PetriNetUnfolderBase]: 1/97 cut-off events. [2024-02-07 19:27:27,306 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:27,311 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 1/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 442 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 99. Up to 2 conditions per place. [2024-02-07 19:27:27,312 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 100 transitions, 212 flow [2024-02-07 19:27:27,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 97 transitions, 203 flow [2024-02-07 19:27:27,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-02-07 19:27:27,335 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;@adacfc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-02-07 19:27:27,335 INFO L358 AbstractCegarLoop]: Starting to check reachability of 109 error locations. [2024-02-07 19:27:27,338 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-02-07 19:27:27,339 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-02-07 19:27:27,339 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-02-07 19:27:27,340 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:27,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-02-07 19:27:27,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 106 more)] === [2024-02-07 19:27:27,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:27,408 INFO L85 PathProgramCache]: Analyzing trace with hash 20044067, now seen corresponding path program 1 times [2024-02-07 19:27:27,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:27,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666222825] [2024-02-07 19:27:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:27,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-02-07 19:27:27,625 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 19:27:27,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-02-07 19:27:27,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666222825] [2024-02-07 19:27:27,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666222825] provided 1 perfect and 0 imperfect interpolant sequences [2024-02-07 19:27:27,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-02-07 19:27:27,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-02-07 19:27:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429387668] [2024-02-07 19:27:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-02-07 19:27:27,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-02-07 19:27:27,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-02-07 19:27:27,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-02-07 19:27:27,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-02-07 19:27:27,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 100 [2024-02-07 19:27:27,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 97 transitions, 203 flow. Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 19:27:27,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-02-07 19:27:27,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 100 [2024-02-07 19:27:27,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-02-07 19:27:29,417 INFO L124 PetriNetUnfolderBase]: 11837/19188 cut-off events. [2024-02-07 19:27:29,418 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2024-02-07 19:27:29,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36025 conditions, 19188 events. 11837/19188 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 1320. Compared 155222 event pairs, 11837 based on Foata normal form. 360/10535 useless extension candidates. Maximal degree in co-relation 36014. Up to 16675 conditions per place. [2024-02-07 19:27:29,532 INFO L140 encePairwiseOnDemand]: 72/100 looper letters, 38 selfloop transitions, 0 changer transitions 0/50 dead transitions. [2024-02-07 19:27:29,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 50 transitions, 185 flow [2024-02-07 19:27:29,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-02-07 19:27:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-02-07 19:27:29,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 96 transitions. [2024-02-07 19:27:29,542 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48 [2024-02-07 19:27:29,543 INFO L175 Difference]: Start difference. First operand has 106 places, 97 transitions, 203 flow. Second operand 2 states and 96 transitions. [2024-02-07 19:27:29,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 50 transitions, 185 flow [2024-02-07 19:27:29,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 50 transitions, 182 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-02-07 19:27:29,547 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 106 flow [2024-02-07 19:27:29,549 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=106, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-02-07 19:27:29,551 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -48 predicate places. [2024-02-07 19:27:29,551 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 106 flow [2024-02-07 19:27:29,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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 19:27:29,552 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-02-07 19:27:29,552 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-02-07 19:27:29,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-02-07 19:27:29,552 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT === [P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT, P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 106 more)] === [2024-02-07 19:27:29,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-02-07 19:27:29,553 INFO L85 PathProgramCache]: Analyzing trace with hash 45441575, now seen corresponding path program 1 times [2024-02-07 19:27:29,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-07 19:27:29,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526750161] [2024-02-07 19:27:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-07 19:27:29,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-07 19:27:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:27:29,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-07 19:27:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-07 19:27:29,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-07 19:27:29,601 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-02-07 19:27:29,603 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 109 remaining) [2024-02-07 19:27:29,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 109 remaining) [2024-02-07 19:27:29,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 109 remaining) [2024-02-07 19:27:29,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 109 remaining) [2024-02-07 19:27:29,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 109 remaining) [2024-02-07 19:27:29,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 109 remaining) [2024-02-07 19:27:29,607 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 109 remaining) [2024-02-07 19:27:29,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (81 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 109 remaining) [2024-02-07 19:27:29,609 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 109 remaining) [2024-02-07 19:27:29,610 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 109 remaining) [2024-02-07 19:27:29,611 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 109 remaining) [2024-02-07 19:27:29,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 109 remaining) [2024-02-07 19:27:29,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 109 remaining) [2024-02-07 19:27:29,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 109 remaining) [2024-02-07 19:27:29,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 109 remaining) [2024-02-07 19:27:29,612 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 109 remaining) [2024-02-07 19:27:29,613 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (51 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (50 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (49 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (48 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (47 of 109 remaining) [2024-02-07 19:27:29,614 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (46 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err1ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err2ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err3ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 109 remaining) [2024-02-07 19:27:29,615 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 109 remaining) [2024-02-07 19:27:29,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 109 remaining) [2024-02-07 19:27:29,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 109 remaining) [2024-02-07 19:27:29,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 109 remaining) [2024-02-07 19:27:29,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 109 remaining) [2024-02-07 19:27:29,616 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 109 remaining) [2024-02-07 19:27:29,617 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 109 remaining) [2024-02-07 19:27:29,618 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err6ASSERT_VIOLATIONERROR_FUNCTION (19 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 109 remaining) [2024-02-07 19:27:29,619 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 109 remaining) [2024-02-07 19:27:29,620 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 109 remaining) [2024-02-07 19:27:29,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 109 remaining) [2024-02-07 19:27:29,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 109 remaining) [2024-02-07 19:27:29,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 109 remaining) [2024-02-07 19:27:29,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 109 remaining) [2024-02-07 19:27:29,621 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err19ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err20ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err21ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err22ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err23ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err24ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 109 remaining) [2024-02-07 19:27:29,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err25ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 109 remaining) [2024-02-07 19:27:29,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-02-07 19:27:29,623 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-02-07 19:27:29,628 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-02-07 19:27:29,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-02-07 19:27:29,647 INFO L503 ceAbstractionStarter]: Automizer considered 58 witness invariants [2024-02-07 19:27:29,647 INFO L504 ceAbstractionStarter]: WitnessConsidered=58 [2024-02-07 19:27:29,648 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 07:27:29 BasicIcfg [2024-02-07 19:27:29,648 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-02-07 19:27:29,649 INFO L158 Benchmark]: Toolchain (without parser) took 4523.36ms. Allocated memory was 176.2MB in the beginning and 390.1MB in the end (delta: 213.9MB). Free memory was 97.2MB in the beginning and 100.9MB in the end (delta: -3.7MB). Peak memory consumption was 212.9MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,649 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:27:29,649 INFO L158 Benchmark]: Witness Parser took 0.49ms. Allocated memory is still 176.2MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-02-07 19:27:29,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.68ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 105.7MB in the end (delta: -8.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.87ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 102.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,650 INFO L158 Benchmark]: Boogie Preprocessor took 90.96ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 98.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,650 INFO L158 Benchmark]: RCFGBuilder took 1071.32ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 98.8MB in the beginning and 205.1MB in the end (delta: -106.3MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,651 INFO L158 Benchmark]: TraceAbstraction took 2546.57ms. Allocated memory was 245.4MB in the beginning and 390.1MB in the end (delta: 144.7MB). Free memory was 204.0MB in the beginning and 100.9MB in the end (delta: 103.1MB). Peak memory consumption was 247.9MB. Max. memory is 16.1GB. [2024-02-07 19:27:29,652 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.49ms. Allocated memory is still 176.2MB. Free memory was 103.1MB in the beginning and 103.0MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.68ms. Allocated memory is still 176.2MB. Free memory was 97.0MB in the beginning and 105.7MB in the end (delta: -8.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.87ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 102.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.96ms. Allocated memory is still 176.2MB. Free memory was 102.7MB in the beginning and 98.8MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1071.32ms. Allocated memory was 176.2MB in the beginning and 245.4MB in the end (delta: 69.2MB). Free memory was 98.8MB in the beginning and 205.1MB in the end (delta: -106.3MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2546.57ms. Allocated memory was 245.4MB in the beginning and 390.1MB in the end (delta: 144.7MB). Free memory was 204.0MB in the beginning and 100.9MB in the end (delta: 103.1MB). Peak memory consumption was 247.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 766]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L717] 0 int a = 0; [L718] 0 _Bool main$tmp_guard0; [L719] 0 _Bool main$tmp_guard1; [L721] 0 int x = 0; [L723] 0 int y = 0; [L724] 0 _Bool y$flush_delayed; [L725] 0 int y$mem_tmp; [L726] 0 _Bool y$r_buff0_thd0; [L727] 0 _Bool y$r_buff0_thd1; [L728] 0 _Bool y$r_buff0_thd2; [L729] 0 _Bool y$r_buff0_thd3; [L730] 0 _Bool y$r_buff1_thd0; [L731] 0 _Bool y$r_buff1_thd1; [L732] 0 _Bool y$r_buff1_thd2; [L733] 0 _Bool y$r_buff1_thd3; [L734] 0 _Bool y$read_delayed; [L735] 0 int *y$read_delayed_var; [L736] 0 int y$w_buff0; [L737] 0 _Bool y$w_buff0_used; [L738] 0 int y$w_buff1; [L739] 0 _Bool y$w_buff1_used; [L741] 0 int z = 0; [L742] 0 _Bool weak$$choice0; [L743] 0 _Bool weak$$choice2; [L833] 0 pthread_t t1004; [L834] FCALL, FORK 0 pthread_create(&t1004, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1004={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L835] 0 pthread_t t1005; [L836] FCALL, FORK 0 pthread_create(&t1005, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1004={5:0}, t1005={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L762] 2 x = 2 [L763] 2 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[x],IntegerLiteral[2]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L765] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L766] 2 CodeAnnotStmt[Assertion[BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[weak$$choice0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]] VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] - 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: 751]: 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: 763]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 767]: 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: 774]: 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: 778]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 783]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 784]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 790]: 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: 792]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 794]: 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: 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: 798]: 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: 803]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 805]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 806]: 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: 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: 818]: 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: 840]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 841]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 842]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 844]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 845]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 846]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 847]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 848]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 849]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 851]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 852]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 853]: 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: 834]: 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: 838]: 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: 836]: 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 7 procedures, 172 locations, 109 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: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 0 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=203occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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 19:27:29,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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