./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fced0e87 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/weaver/chl-file-item-trans.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.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.extract-columns-fced0e8-m [2024-01-31 16:08:10,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-31 16:08:10,503 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-31 16:08:10,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-31 16:08:10,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-31 16:08:10,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-31 16:08:10,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-31 16:08:10,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-31 16:08:10,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-31 16:08:10,536 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-31 16:08:10,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-31 16:08:10,537 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-31 16:08:10,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-31 16:08:10,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-31 16:08:10,539 INFO L153 SettingsManager]: * Use SBE=true [2024-01-31 16:08:10,539 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-31 16:08:10,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-31 16:08:10,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-31 16:08:10,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-31 16:08:10,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-31 16:08:10,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-31 16:08:10,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-31 16:08:10,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-31 16:08:10,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-31 16:08:10,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-31 16:08:10,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-31 16:08:10,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-31 16:08:10,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-31 16:08:10,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-31 16:08:10,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-31 16:08:10,543 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-31 16:08:10,543 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-31 16:08:10,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:10,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-31 16:08:10,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-31 16:08:10,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-31 16:08:10,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-31 16:08:10,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-31 16:08:10,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-31 16:08:10,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-31 16:08:10,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-31 16:08:10,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-31 16:08:10,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-31 16:08:10,545 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-31 16:08:10,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-31 16:08:10,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-31 16:08:10,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-31 16:08:10,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-31 16:08:10,792 INFO L274 PluginConnector]: CDTParser initialized [2024-01-31 16:08:10,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-01-31 16:08:11,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-31 16:08:11,963 INFO L384 CDTParser]: Found 1 translation units. [2024-01-31 16:08:11,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c [2024-01-31 16:08:11,970 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0844ae09d/fd02d9a7668341d2b8b5dc981436d469/FLAG0c25ee774 [2024-01-31 16:08:11,979 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0844ae09d/fd02d9a7668341d2b8b5dc981436d469 [2024-01-31 16:08:11,981 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-31 16:08:11,982 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-31 16:08:11,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/chl-file-item-trans.wvr.yml/witness.yml [2024-01-31 16:08:12,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-31 16:08:12,092 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-31 16:08:12,093 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:12,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-31 16:08:12,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-31 16:08:12,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:11" (1/2) ... [2024-01-31 16:08:12,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4744826b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:12, skipping insertion in model container [2024-01-31 16:08:12,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 04:08:11" (1/2) ... [2024-01-31 16:08:12,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ff878d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 04:08:12, skipping insertion in model container [2024-01-31 16:08:12,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:12" (2/2) ... [2024-01-31 16:08:12,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4744826b and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12, skipping insertion in model container [2024-01-31 16:08:12,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:12" (2/2) ... [2024-01-31 16:08:12,101 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-31 16:08:12,150 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L89-L89] (1 <= b) && (b != 0) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1)) && (filename_8 == (_Bool)0 || filename_8 == (_Bool)1) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] ((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1)) && (filename_2 == (_Bool)0 || filename_2 == (_Bool)1)) && (filename_5 == (_Bool)0 || filename_5 == (_Bool)1) [2024-01-31 16:08:12,152 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L46] (unsigned long )_argptr == 0UL [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L58-L58] (unsigned long )_argptr == 0UL [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] ((((((((result_9 == 0) && (result_10 == 0)) && (result_11 == 0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1)) && (isNull_6 == (_Bool)0 || isNull_6 == (_Bool)1) [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L90-L90] (b <= -1) && (b != 0) [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L68-L68] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1) [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L65] (((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-31 16:08:12,153 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0)) && (isNull_0 == (_Bool)0 || isNull_0 == (_Bool)1)) && (isNull_3 == (_Bool)0 || isNull_3 == (_Bool)1) [2024-01-31 16:08:12,154 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] ((((((((((((((((0LL - (long long )filename_8) + (long long )isNull_6 >= 0LL) && ((long long )filename_8 + (long long )isNull_6 >= 0LL)) && ((0LL - (long long )filename_8) - (long long )isNull_6 >= 0LL)) && ((long long )filename_8 - (long long )isNull_6 >= 0LL)) && (filename_1 == 0)) && (filename_4 == 0)) && (filename_7 == 0)) && (result_9 == 0)) && (result_10 == 0)) && (result_11 == 0)) && (isNull_0 == (_Bool)0)) && (isNull_3 == (_Bool)0)) && (isNull_6 == (_Bool)0)) && (filename_2 == (_Bool)0)) && (filename_5 == (_Bool)0)) && (filename_8 == (_Bool)0) [2024-01-31 16:08:12,172 INFO L179 MainTranslator]: Built tables and reachable declarations [2024-01-31 16:08:12,332 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] [2024-01-31 16:08:12,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:12,353 INFO L204 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-31 16:08:12,449 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-file-item-trans.wvr.c[2856,2869] Start Parsing Local Start Parsing Local [2024-01-31 16:08:12,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-31 16:08:12,481 INFO L208 MainTranslator]: Completed translation [2024-01-31 16:08:12,482 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12 WrapperNode [2024-01-31 16:08:12,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-31 16:08:12,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:12,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-31 16:08:12,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-31 16:08:12,489 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 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,505 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 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,541 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 223 [2024-01-31 16:08:12,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-31 16:08:12,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-31 16:08:12,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-31 16:08:12,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-31 16:08:12,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,564 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,591 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 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]. [2024-01-31 16:08:12,592 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-31 16:08:12,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-31 16:08:12,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-31 16:08:12,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-31 16:08:12,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (1/1) ... [2024-01-31 16:08:12,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-31 16:08:12,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-31 16:08:12,643 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) [2024-01-31 16:08:12,669 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 [2024-01-31 16:08:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-31 16:08:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-31 16:08:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-31 16:08:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-31 16:08:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-31 16:08:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-31 16:08:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-31 16:08:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-31 16:08:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-31 16:08:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-31 16:08:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-31 16:08:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-31 16:08:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-31 16:08:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-31 16:08:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-31 16:08:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-31 16:08:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-31 16:08:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-31 16:08:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-31 16:08:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-31 16:08:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-31 16:08:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-31 16:08:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-31 16:08:12,692 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-31 16:08:12,808 INFO L244 CfgBuilder]: Building ICFG [2024-01-31 16:08:12,810 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-31 16:08:13,293 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-31 16:08:13,293 INFO L293 CfgBuilder]: Performing block encoding [2024-01-31 16:08:13,475 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-31 16:08:13,476 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-01-31 16:08:13,477 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:13 BoogieIcfgContainer [2024-01-31 16:08:13,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-31 16:08:13,480 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-31 16:08:13,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-31 16:08:13,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-31 16:08:13,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 04:08:11" (1/4) ... [2024-01-31 16:08:13,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f8d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 04:08:13, skipping insertion in model container [2024-01-31 16:08:13,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 31.01 04:08:12" (2/4) ... [2024-01-31 16:08:13,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f8d77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:13, skipping insertion in model container [2024-01-31 16:08:13,484 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 31.01 04:08:12" (3/4) ... [2024-01-31 16:08:13,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622f8d77 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 31.01 04:08:13, skipping insertion in model container [2024-01-31 16:08:13,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 04:08:13" (4/4) ... [2024-01-31 16:08:13,486 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-file-item-trans.wvr.c [2024-01-31 16:08:13,501 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-31 16:08:13,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-01-31 16:08:13,501 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-31 16:08:13,563 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-31 16:08:13,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 95 transitions, 211 flow [2024-01-31 16:08:13,644 INFO L124 PetriNetUnfolderBase]: 12/92 cut-off events. [2024-01-31 16:08:13,644 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-31 16:08:13,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 92 events. 12/92 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 237 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-01-31 16:08:13,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 95 transitions, 211 flow [2024-01-31 16:08:13,651 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 91 transitions, 200 flow [2024-01-31 16:08:13,663 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-31 16:08:13,671 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;@7356288b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-31 16:08:13,671 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-01-31 16:08:13,673 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-31 16:08:13,673 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-31 16:08:13,673 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-31 16:08:13,673 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:13,674 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-31 16:08:13,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:13,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:13,678 INFO L85 PathProgramCache]: Analyzing trace with hash 20302, now seen corresponding path program 1 times [2024-01-31 16:08:13,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:13,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430525945] [2024-01-31 16:08:13,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:13,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:14,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:14,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:14,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430525945] [2024-01-31 16:08:14,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430525945] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:14,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:14,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-31 16:08:14,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303412981] [2024-01-31 16:08:14,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:14,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-31 16:08:14,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:14,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-31 16:08:14,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-31 16:08:14,253 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 34 out of 95 [2024-01-31 16:08:14,256 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 91 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-01-31 16:08:14,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:14,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 34 of 95 [2024-01-31 16:08:14,257 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:14,991 INFO L124 PetriNetUnfolderBase]: 4477/7214 cut-off events. [2024-01-31 16:08:14,991 INFO L125 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2024-01-31 16:08:15,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13662 conditions, 7214 events. 4477/7214 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56519 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 12464. Up to 6170 conditions per place. [2024-01-31 16:08:15,033 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 57 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-31 16:08:15,034 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 90 transitions, 316 flow [2024-01-31 16:08:15,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 162 transitions. [2024-01-31 16:08:15,044 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5684210526315789 [2024-01-31 16:08:15,045 INFO L175 Difference]: Start difference. First operand has 89 places, 91 transitions, 200 flow. Second operand 3 states and 162 transitions. [2024-01-31 16:08:15,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 90 transitions, 316 flow [2024-01-31 16:08:15,057 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 90 transitions, 304 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-31 16:08:15,059 INFO L231 Difference]: Finished difference. Result has 84 places, 90 transitions, 190 flow [2024-01-31 16:08:15,061 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=84, PETRI_TRANSITIONS=90} [2024-01-31 16:08:15,063 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -5 predicate places. [2024-01-31 16:08:15,063 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 190 flow [2024-01-31 16:08:15,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2024-01-31 16:08:15,064 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:15,064 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-31 16:08:15,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-31 16:08:15,064 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:15,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash 630054, now seen corresponding path program 1 times [2024-01-31 16:08:15,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:15,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157224521] [2024-01-31 16:08:15,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:15,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:15,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157224521] [2024-01-31 16:08:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157224521] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:15,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:15,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854100622] [2024-01-31 16:08:15,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:15,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:15,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:15,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:15,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:15,305 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 95 [2024-01-31 16:08:15,306 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 90 transitions, 190 flow. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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) [2024-01-31 16:08:15,308 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:15,309 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 95 [2024-01-31 16:08:15,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:15,819 INFO L124 PetriNetUnfolderBase]: 4477/7213 cut-off events. [2024-01-31 16:08:15,824 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-31 16:08:15,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13478 conditions, 7213 events. 4477/7213 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56585 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 13469. Up to 6168 conditions per place. [2024-01-31 16:08:15,869 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 56 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2024-01-31 16:08:15,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 89 transitions, 304 flow [2024-01-31 16:08:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:15,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 164 transitions. [2024-01-31 16:08:15,872 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5754385964912281 [2024-01-31 16:08:15,872 INFO L175 Difference]: Start difference. First operand has 84 places, 90 transitions, 190 flow. Second operand 3 states and 164 transitions. [2024-01-31 16:08:15,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 89 transitions, 304 flow [2024-01-31 16:08:15,873 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 300 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:15,874 INFO L231 Difference]: Finished difference. Result has 83 places, 89 transitions, 188 flow [2024-01-31 16:08:15,874 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=83, PETRI_TRANSITIONS=89} [2024-01-31 16:08:15,875 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-01-31 16:08:15,875 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 89 transitions, 188 flow [2024-01-31 16:08:15,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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) [2024-01-31 16:08:15,875 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:15,875 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-31 16:08:15,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-31 16:08:15,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:15,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash 19532323, now seen corresponding path program 1 times [2024-01-31 16:08:15,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970125360] [2024-01-31 16:08:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:15,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:16,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:16,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970125360] [2024-01-31 16:08:16,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970125360] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:16,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:16,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:16,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523581840] [2024-01-31 16:08:16,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:16,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:16,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:16,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:16,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:16,071 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 95 [2024-01-31 16:08:16,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 89 transitions, 188 flow. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-01-31 16:08:16,072 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:16,072 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 95 [2024-01-31 16:08:16,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:16,551 INFO L124 PetriNetUnfolderBase]: 4477/7212 cut-off events. [2024-01-31 16:08:16,551 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-01-31 16:08:16,563 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13476 conditions, 7212 events. 4477/7212 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 862. Compared 56612 event pairs, 3768 based on Foata normal form. 0/6220 useless extension candidates. Maximal degree in co-relation 13465. Up to 6166 conditions per place. [2024-01-31 16:08:16,586 INFO L140 encePairwiseOnDemand]: 92/95 looper letters, 55 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-01-31 16:08:16,586 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 88 transitions, 300 flow [2024-01-31 16:08:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-31 16:08:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-31 16:08:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 166 transitions. [2024-01-31 16:08:16,663 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5824561403508772 [2024-01-31 16:08:16,663 INFO L175 Difference]: Start difference. First operand has 83 places, 89 transitions, 188 flow. Second operand 3 states and 166 transitions. [2024-01-31 16:08:16,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 88 transitions, 300 flow [2024-01-31 16:08:16,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 88 transitions, 296 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:16,664 INFO L231 Difference]: Finished difference. Result has 82 places, 88 transitions, 186 flow [2024-01-31 16:08:16,665 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=82, PETRI_TRANSITIONS=88} [2024-01-31 16:08:16,665 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -7 predicate places. [2024-01-31 16:08:16,665 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 88 transitions, 186 flow [2024-01-31 16:08:16,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2024-01-31 16:08:16,666 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:16,666 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-31 16:08:16,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-31 16:08:16,666 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:16,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:16,666 INFO L85 PathProgramCache]: Analyzing trace with hash 605502679, now seen corresponding path program 1 times [2024-01-31 16:08:16,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:16,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840017997] [2024-01-31 16:08:16,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:16,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-31 16:08:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-31 16:08:16,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-31 16:08:16,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840017997] [2024-01-31 16:08:16,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840017997] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-31 16:08:16,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-31 16:08:16,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-01-31 16:08:16,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343136500] [2024-01-31 16:08:16,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-31 16:08:16,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-31 16:08:16,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-31 16:08:16,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-31 16:08:16,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-01-31 16:08:16,846 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 95 [2024-01-31 16:08:16,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 88 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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) [2024-01-31 16:08:16,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-31 16:08:16,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 95 [2024-01-31 16:08:16,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-31 16:08:17,443 INFO L124 PetriNetUnfolderBase]: 4459/7223 cut-off events. [2024-01-31 16:08:17,444 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-01-31 16:08:17,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13486 conditions, 7223 events. 4459/7223 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 872. Compared 57718 event pairs, 1790 based on Foata normal form. 0/6291 useless extension candidates. Maximal degree in co-relation 13473. Up to 3427 conditions per place. [2024-01-31 16:08:17,474 INFO L140 encePairwiseOnDemand]: 89/95 looper letters, 80 selfloop transitions, 5 changer transitions 0/116 dead transitions. [2024-01-31 16:08:17,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 116 transitions, 414 flow [2024-01-31 16:08:17,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-31 16:08:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-31 16:08:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 234 transitions. [2024-01-31 16:08:17,476 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6157894736842106 [2024-01-31 16:08:17,476 INFO L175 Difference]: Start difference. First operand has 82 places, 88 transitions, 186 flow. Second operand 4 states and 234 transitions. [2024-01-31 16:08:17,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 116 transitions, 414 flow [2024-01-31 16:08:17,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 116 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-31 16:08:17,478 INFO L231 Difference]: Finished difference. Result has 83 places, 90 transitions, 206 flow [2024-01-31 16:08:17,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=95, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=206, PETRI_PLACES=83, PETRI_TRANSITIONS=90} [2024-01-31 16:08:17,479 INFO L281 CegarLoopForPetriNet]: 89 programPoint places, -6 predicate places. [2024-01-31 16:08:17,479 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 90 transitions, 206 flow [2024-01-31 16:08:17,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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) [2024-01-31 16:08:17,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-31 16:08:17,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-31 16:08:17,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-31 16:08:17,480 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (and 29 more)] === [2024-01-31 16:08:17,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-31 16:08:17,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1590714540, now seen corresponding path program 1 times [2024-01-31 16:08:17,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-31 16:08:17,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925989712] [2024-01-31 16:08:17,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-31 16:08:17,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-31 16:08:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:17,489 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-31 16:08:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-31 16:08:17,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-31 16:08:17,507 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-31 16:08:17,508 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 32 remaining) [2024-01-31 16:08:17,509 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 32 remaining) [2024-01-31 16:08:17,510 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 32 remaining) [2024-01-31 16:08:17,511 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (12 of 32 remaining) [2024-01-31 16:08:17,512 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 32 remaining) [2024-01-31 16:08:17,513 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 32 remaining) [2024-01-31 16:08:17,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 32 remaining) [2024-01-31 16:08:17,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 32 remaining) [2024-01-31 16:08:17,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 32 remaining) [2024-01-31 16:08:17,514 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 32 remaining) [2024-01-31 16:08:17,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-31 16:08:17,514 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-01-31 16:08:17,519 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-31 16:08:17,519 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-31 16:08:17,534 INFO L503 ceAbstractionStarter]: Automizer considered 19 witness invariants [2024-01-31 16:08:17,535 INFO L504 ceAbstractionStarter]: WitnessConsidered=19 [2024-01-31 16:08:17,535 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 04:08:17 BasicIcfg [2024-01-31 16:08:17,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-31 16:08:17,536 INFO L158 Benchmark]: Toolchain (without parser) took 5444.27ms. Allocated memory was 174.1MB in the beginning and 790.6MB in the end (delta: 616.6MB). Free memory was 112.9MB in the beginning and 577.8MB in the end (delta: -464.8MB). Peak memory consumption was 153.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,536 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:17,536 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-01-31 16:08:17,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.14ms. Allocated memory is still 174.1MB. Free memory was 112.6MB in the beginning and 145.4MB in the end (delta: -32.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,537 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.55ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 141.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,537 INFO L158 Benchmark]: Boogie Preprocessor took 76.67ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 138.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,537 INFO L158 Benchmark]: RCFGBuilder took 858.44ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 136.4MB in the end (delta: 1.7MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,538 INFO L158 Benchmark]: TraceAbstraction took 4055.92ms. Allocated memory was 174.1MB in the beginning and 790.6MB in the end (delta: 616.6MB). Free memory was 135.5MB in the beginning and 577.8MB in the end (delta: -442.3MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. [2024-01-31 16:08:17,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 120.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.14ms. Allocated memory is still 174.1MB. Free memory was 112.6MB in the beginning and 145.4MB in the end (delta: -32.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.55ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 141.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.67ms. Allocated memory is still 174.1MB. Free memory was 141.2MB in the beginning and 138.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 858.44ms. Allocated memory is still 174.1MB. Free memory was 138.1MB in the beginning and 136.4MB in the end (delta: 1.7MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4055.92ms. Allocated memory was 174.1MB in the beginning and 790.6MB in the end (delta: 616.6MB). Free memory was 135.5MB in the beginning and 577.8MB in the end (delta: -442.3MB). Peak memory consumption was 174.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 68]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] int filename_1, filename_4, filename_7, result_9, result_10, result_11; [L39] _Bool isNull_0, isNull_3, isNull_6, filename_2, filename_5, filename_8; [L62] pthread_t t1, t2, t3; VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=0, isNull_3=0, isNull_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] [L64] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_1],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L64] filename_1 = __VERIFIER_nondet_int() [L65] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_4],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L65] filename_4 = __VERIFIER_nondet_int() [L66] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_7],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L66] filename_7 = __VERIFIER_nondet_int() [L67] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]]]] [L67] isNull_0 = __VERIFIER_nondet_bool() [L68] CodeAnnotStmt[Assertion[BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[LOGICAND,BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHPLUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,BinaryExpression[ARITHMINUS,IntegerLiteral[0LL],CastExpression[ACSLType[long long],IdentifierExpression[filename_8]]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPGEQ,BinaryExpression[ARITHMINUS,CastExpression[ACSLType[long long],IdentifierExpression[filename_8]],CastExpression[ACSLType[long long],IdentifierExpression[isNull_6]]],IntegerLiteral[0LL]]],BinaryExpression[COMPEQ,IdentifierExpression[result_9],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_10],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[result_11],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_3],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_6],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_2],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_5],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[COMPEQ,IdentifierExpression[filename_8],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]]],BinaryExpression[LOGICOR,BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[0]]],BinaryExpression[COMPEQ,IdentifierExpression[isNull_0],CastExpression[ACSLType[_Bool],IntegerLiteral[1]]]]]]] VAL [filename_1=0, filename_2=0, filename_4=0, filename_5=0, filename_7=0, filename_8=0, isNull_0=2, isNull_3=0, isNull_6=0, result_10=0, result_11=0, result_9=0, t1={6:0}, t2={3:0}, t3={5:0}] - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: 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: 76]: 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: 77]: 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: 75]: 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, 135 locations, 32 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: 3.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 257 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 642 IncrementalHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 7 mSDtfsCounter, 642 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 0.8s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2024-01-31 16:08:17,562 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