./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:53:22,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:53:22,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:53:22,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:53:22,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:53:22,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:53:22,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:53:22,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:53:22,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:53:22,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:53:22,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:53:22,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:53:22,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:53:22,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:53:22,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:53:22,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:53:22,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:53:22,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:53:22,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:53:22,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:53:22,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:53:22,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:53:22,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:53:22,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:53:22,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:53:22,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:53:22,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:53:22,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:53:22,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:53:22,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:53:22,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:53:22,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:53:22,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:53:22,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:53:22,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:53:22,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:53:22,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:53:22,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:53:22,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:53:22,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:53:22,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:53:22,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-13 17:53:22,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:53:22,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:53:22,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:53:22,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:53:22,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 17:53:22,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 17:53:22,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:53:22,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:53:22,594 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:53:22,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:53:22,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 17:53:22,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:53:22,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 17:53:22,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:53:22,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 17:53:22,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 17:53:22,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 17:53:22,598 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 17:53:22,598 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:53:22,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:53:22,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 17:53:22,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:53:22,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:53:22,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 17:53:22,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:53:22,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:53:22,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 17:53:22,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 17:53:22,601 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:53:22,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 17:53:22,602 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 17:53:22,602 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 17:53:22,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 17:53:22,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:53:22,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7e9feb6929ab81158cc9d6731414a71af210f92cb571da2954e02689fee6d2b [2021-11-13 17:53:22,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:53:22,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:53:22,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:53:22,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:53:22,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:53:22,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2021-11-13 17:53:23,062 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/data/77e74fcd1/487aa2a5b85a4f87ba2ad13f97a070c1/FLAG74d8ab6d5 [2021-11-13 17:53:23,790 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:53:23,791 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i [2021-11-13 17:53:23,818 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/data/77e74fcd1/487aa2a5b85a4f87ba2ad13f97a070c1/FLAG74d8ab6d5 [2021-11-13 17:53:24,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/data/77e74fcd1/487aa2a5b85a4f87ba2ad13f97a070c1 [2021-11-13 17:53:24,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:53:24,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:53:24,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:53:24,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:53:24,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:53:24,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7c9eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24, skipping insertion in model container [2021-11-13 17:53:24,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:53:24,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:53:24,377 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 17:53:24,633 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-11-13 17:53:24,638 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-11-13 17:53:24,639 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-11-13 17:53:24,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:53:24,659 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:53:24,677 WARN L612 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-13 17:53:24,712 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39095,39108] [2021-11-13 17:53:24,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39180,39193] [2021-11-13 17:53:24,714 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/sv-benchmarks/c/pthread-divine/ring_1w1r-2.i[39232,39245] [2021-11-13 17:53:24,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:53:24,782 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:53:24,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24 WrapperNode [2021-11-13 17:53:24,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:53:24,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:53:24,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:53:24,784 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:53:24,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:53:24,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:53:24,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:53:24,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:53:24,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:53:24,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:53:24,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:53:24,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:53:24,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (1/1) ... [2021-11-13 17:53:24,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 17:53:24,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:53:24,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 17:53:24,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478e87b7-dd5c-4d47-8a0f-d095df78fde1/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 17:53:25,016 INFO L130 BoogieDeclarations]: Found specification of procedure reader_fn [2021-11-13 17:53:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure reader_fn [2021-11-13 17:53:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 17:53:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 17:53:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 17:53:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 17:53:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 17:53:25,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:53:25,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:53:25,023 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 17:53:25,523 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:53:25,524 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 17:53:25,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:53:25 BoogieIcfgContainer [2021-11-13 17:53:25,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:53:25,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 17:53:25,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 17:53:25,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 17:53:25,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:53:24" (1/3) ... [2021-11-13 17:53:25,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66258326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:53:25, skipping insertion in model container [2021-11-13 17:53:25,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:53:24" (2/3) ... [2021-11-13 17:53:25,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66258326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:53:25, skipping insertion in model container [2021-11-13 17:53:25,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:53:25" (3/3) ... [2021-11-13 17:53:25,538 INFO L111 eAbstractionObserver]: Analyzing ICFG ring_1w1r-2.i [2021-11-13 17:53:25,545 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-13 17:53:25,545 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 17:53:25,545 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-13 17:53:25,546 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-13 17:53:25,593 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,593 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,594 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,594 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,594 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,595 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,595 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,602 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,603 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,603 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,604 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,604 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,604 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,605 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,605 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,605 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,606 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,606 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,606 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,607 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,607 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,607 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,608 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,608 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,608 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,609 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,609 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,609 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,610 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,610 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,610 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,611 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,614 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,615 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,615 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,616 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,616 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,616 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,617 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,617 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,617 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,617 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,618 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,618 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,623 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,623 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,624 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,624 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,624 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,624 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,625 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,625 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,625 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,625 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,625 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,626 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,626 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,626 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,627 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,627 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,627 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,628 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,628 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,628 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,628 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,628 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,629 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,629 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,629 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,629 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,630 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,630 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,630 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,630 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,631 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,631 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,631 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,631 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,632 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,632 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,632 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,632 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,633 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,633 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,633 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,634 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,634 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,634 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,634 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,635 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,635 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,635 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,635 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,636 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,636 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,636 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,636 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,637 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,637 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,637 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,638 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,638 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,638 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,638 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,638 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,639 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,639 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,639 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,639 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,640 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,640 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,640 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,641 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,641 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,641 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,641 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,642 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,642 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,642 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,642 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,643 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,643 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,643 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,644 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,645 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,645 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,645 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,646 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,646 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,646 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,647 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,647 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,647 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,647 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,648 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,648 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,648 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,648 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,649 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,649 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,649 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,649 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,650 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,650 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,650 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,651 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,652 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,653 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,654 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,655 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,656 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,657 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,658 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,659 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,660 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,661 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,662 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,663 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,663 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,663 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,664 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,665 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,665 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,665 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,665 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,666 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,666 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,666 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,667 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,667 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,667 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,667 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,668 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,668 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,668 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,668 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,669 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,669 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,669 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,669 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,670 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,670 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,670 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,670 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,671 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,671 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,671 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,671 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,672 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,673 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,674 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,674 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,674 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,674 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,675 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,675 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,675 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,675 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,676 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,677 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,681 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,682 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,682 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,682 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,682 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~x~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,683 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~val~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,683 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,683 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~last~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,683 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,684 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,684 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,684 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~r~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,684 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,685 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,685 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#t~mem13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,685 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,685 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#res#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,686 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,686 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,686 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,686 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#t~mem10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,687 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~pre17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,693 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_#in~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,693 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,694 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_dequeue_~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,694 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_#t~ret16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,694 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_ring_empty_#in~r#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,694 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,695 WARN L322 ript$VariableManager]: TermVariabe |reader_fnThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-13 17:53:25,700 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-13 17:53:25,786 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 17:53:25,808 INFO L339 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=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 17:53:25,809 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-13 17:53:25,845 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 158 transitions, 324 flow [2021-11-13 17:53:25,943 INFO L129 PetriNetUnfolder]: 10/157 cut-off events. [2021-11-13 17:53:25,943 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 17:53:25,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 162 conditions, 157 events. 10/157 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 270 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 116. Up to 2 conditions per place. [2021-11-13 17:53:25,952 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 158 transitions, 324 flow [2021-11-13 17:53:25,960 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 142 places, 148 transitions, 299 flow [2021-11-13 17:53:25,977 INFO L129 PetriNetUnfolder]: 2/51 cut-off events. [2021-11-13 17:53:25,977 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:53:25,977 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:25,978 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:25,979 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:25,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:25,986 INFO L85 PathProgramCache]: Analyzing trace with hash 847621616, now seen corresponding path program 1 times [2021-11-13 17:53:25,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:25,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831381765] [2021-11-13 17:53:25,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:26,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:26,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:26,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831381765] [2021-11-13 17:53:26,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831381765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:26,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:26,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 17:53:26,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144584848] [2021-11-13 17:53:26,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:26,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 17:53:26,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:26,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 17:53:26,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 17:53:26,335 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 158 [2021-11-13 17:53:26,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 148 transitions, 299 flow. Second operand has 2 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 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) [2021-11-13 17:53:26,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:26,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 158 [2021-11-13 17:53:26,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:53:26,414 INFO L129 PetriNetUnfolder]: 4/142 cut-off events. [2021-11-13 17:53:26,414 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-13 17:53:26,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 142 events. 4/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 213 event pairs, 0 based on Foata normal form. 6/141 useless extension candidates. Maximal degree in co-relation 110. Up to 2 conditions per place. [2021-11-13 17:53:26,419 INFO L132 encePairwiseOnDemand]: 152/158 looper letters, 1 selfloop transitions, 0 changer transitions 0/142 dead transitions. [2021-11-13 17:53:26,420 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 142 transitions, 289 flow [2021-11-13 17:53:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 17:53:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2021-11-13 17:53:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 307 transitions. [2021-11-13 17:53:26,447 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9715189873417721 [2021-11-13 17:53:26,449 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 307 transitions. [2021-11-13 17:53:26,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 307 transitions. [2021-11-13 17:53:26,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:53:26,454 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 307 transitions. [2021-11-13 17:53:26,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 153.5) internal successors, (307), 2 states have internal predecessors, (307), 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) [2021-11-13 17:53:26,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2021-11-13 17:53:26,467 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 158.0) internal successors, (474), 3 states have internal predecessors, (474), 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) [2021-11-13 17:53:26,470 INFO L186 Difference]: Start difference. First operand has 142 places, 148 transitions, 299 flow. Second operand 2 states and 307 transitions. [2021-11-13 17:53:26,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 142 transitions, 289 flow [2021-11-13 17:53:26,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 142 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 17:53:26,485 INFO L242 Difference]: Finished difference. Result has 142 places, 142 transitions, 286 flow [2021-11-13 17:53:26,488 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=286, PETRI_PLACES=142, PETRI_TRANSITIONS=142} [2021-11-13 17:53:26,493 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 0 predicate places. [2021-11-13 17:53:26,493 INFO L470 AbstractCegarLoop]: Abstraction has has 142 places, 142 transitions, 286 flow [2021-11-13 17:53:26,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 151.0) internal successors, (302), 2 states have internal predecessors, (302), 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) [2021-11-13 17:53:26,494 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:26,494 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:26,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 17:53:26,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash 506434889, now seen corresponding path program 1 times [2021-11-13 17:53:26,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:26,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221281278] [2021-11-13 17:53:26,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:26,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:26,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:26,638 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221281278] [2021-11-13 17:53:26,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221281278] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:26,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:26,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 17:53:26,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625461634] [2021-11-13 17:53:26,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:26,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 17:53:26,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:26,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 17:53:26,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 17:53:26,645 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 158 [2021-11-13 17:53:26,646 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 142 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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) [2021-11-13 17:53:26,646 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:26,647 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 158 [2021-11-13 17:53:26,647 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:53:26,726 INFO L129 PetriNetUnfolder]: 5/185 cut-off events. [2021-11-13 17:53:26,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-13 17:53:26,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 199 conditions, 185 events. 5/185 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 161 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 196. Up to 7 conditions per place. [2021-11-13 17:53:26,730 INFO L132 encePairwiseOnDemand]: 155/158 looper letters, 7 selfloop transitions, 2 changer transitions 0/145 dead transitions. [2021-11-13 17:53:26,731 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 145 transitions, 310 flow [2021-11-13 17:53:26,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 17:53:26,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-13 17:53:26,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2021-11-13 17:53:26,736 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9388185654008439 [2021-11-13 17:53:26,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 445 transitions. [2021-11-13 17:53:26,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 445 transitions. [2021-11-13 17:53:26,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:53:26,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 445 transitions. [2021-11-13 17:53:26,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.33333333333334) internal successors, (445), 3 states have internal predecessors, (445), 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) [2021-11-13 17:53:26,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-11-13 17:53:26,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 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) [2021-11-13 17:53:26,746 INFO L186 Difference]: Start difference. First operand has 142 places, 142 transitions, 286 flow. Second operand 3 states and 445 transitions. [2021-11-13 17:53:26,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 145 transitions, 310 flow [2021-11-13 17:53:26,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 145 transitions, 310 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-13 17:53:26,753 INFO L242 Difference]: Finished difference. Result has 145 places, 143 transitions, 298 flow [2021-11-13 17:53:26,754 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=142, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=298, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2021-11-13 17:53:26,755 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 3 predicate places. [2021-11-13 17:53:26,755 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 298 flow [2021-11-13 17:53:26,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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) [2021-11-13 17:53:26,756 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:26,756 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:26,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 17:53:26,757 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:26,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:26,758 INFO L85 PathProgramCache]: Analyzing trace with hash -654644372, now seen corresponding path program 1 times [2021-11-13 17:53:26,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:26,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696664900] [2021-11-13 17:53:26,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:26,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:27,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:27,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696664900] [2021-11-13 17:53:27,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696664900] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:27,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:27,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-11-13 17:53:27,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10445894] [2021-11-13 17:53:27,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:27,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-13 17:53:27,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:27,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-13 17:53:27,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2021-11-13 17:53:27,749 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 158 [2021-11-13 17:53:27,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 298 flow. Second operand has 19 states, 19 states have (on average 86.21052631578948) internal successors, (1638), 19 states have internal predecessors, (1638), 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) [2021-11-13 17:53:27,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:27,754 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 158 [2021-11-13 17:53:27,754 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:53:31,273 INFO L129 PetriNetUnfolder]: 599/2024 cut-off events. [2021-11-13 17:53:31,273 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-11-13 17:53:31,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3188 conditions, 2024 events. 599/2024 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 12844 event pairs, 252 based on Foata normal form. 0/1917 useless extension candidates. Maximal degree in co-relation 3183. Up to 766 conditions per place. [2021-11-13 17:53:31,306 INFO L132 encePairwiseOnDemand]: 137/158 looper letters, 140 selfloop transitions, 34 changer transitions 10/264 dead transitions. [2021-11-13 17:53:31,306 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 264 transitions, 908 flow [2021-11-13 17:53:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 17:53:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2021-11-13 17:53:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 2034 transitions. [2021-11-13 17:53:31,317 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5851553509781358 [2021-11-13 17:53:31,318 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 2034 transitions. [2021-11-13 17:53:31,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 2034 transitions. [2021-11-13 17:53:31,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:53:31,322 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 2034 transitions. [2021-11-13 17:53:31,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 92.45454545454545) internal successors, (2034), 22 states have internal predecessors, (2034), 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) [2021-11-13 17:53:31,347 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 158.0) internal successors, (3634), 23 states have internal predecessors, (3634), 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) [2021-11-13 17:53:31,352 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 158.0) internal successors, (3634), 23 states have internal predecessors, (3634), 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) [2021-11-13 17:53:31,352 INFO L186 Difference]: Start difference. First operand has 145 places, 143 transitions, 298 flow. Second operand 22 states and 2034 transitions. [2021-11-13 17:53:31,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 264 transitions, 908 flow [2021-11-13 17:53:31,359 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 264 transitions, 906 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-11-13 17:53:31,369 INFO L242 Difference]: Finished difference. Result has 175 places, 174 transitions, 503 flow [2021-11-13 17:53:31,369 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=144, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=503, PETRI_PLACES=175, PETRI_TRANSITIONS=174} [2021-11-13 17:53:31,373 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 33 predicate places. [2021-11-13 17:53:31,373 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 174 transitions, 503 flow [2021-11-13 17:53:31,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 86.21052631578948) internal successors, (1638), 19 states have internal predecessors, (1638), 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) [2021-11-13 17:53:31,377 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:31,377 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:31,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 17:53:31,378 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:31,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:31,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1302281113, now seen corresponding path program 1 times [2021-11-13 17:53:31,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:31,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785906186] [2021-11-13 17:53:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:31,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:32,881 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:32,881 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785906186] [2021-11-13 17:53:32,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785906186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:32,882 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:32,882 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:53:32,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938413164] [2021-11-13 17:53:32,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:32,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:53:32,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:32,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:53:32,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:53:32,892 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:53:32,896 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 174 transitions, 503 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:53:32,896 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:32,896 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:53:32,897 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:53:41,157 INFO L129 PetriNetUnfolder]: 1834/5196 cut-off events. [2021-11-13 17:53:41,158 INFO L130 PetriNetUnfolder]: For 1777/1777 co-relation queries the response was YES. [2021-11-13 17:53:41,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10562 conditions, 5196 events. 1834/5196 cut-off events. For 1777/1777 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 36324 event pairs, 668 based on Foata normal form. 18/4976 useless extension candidates. Maximal degree in co-relation 10547. Up to 1893 conditions per place. [2021-11-13 17:53:41,219 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 353 selfloop transitions, 104 changer transitions 1/527 dead transitions. [2021-11-13 17:53:41,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 527 transitions, 2844 flow [2021-11-13 17:53:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-13 17:53:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-13 17:53:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 3149 transitions. [2021-11-13 17:53:41,235 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5244836775483012 [2021-11-13 17:53:41,235 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 3149 transitions. [2021-11-13 17:53:41,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 3149 transitions. [2021-11-13 17:53:41,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:53:41,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 3149 transitions. [2021-11-13 17:53:41,251 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 82.86842105263158) internal successors, (3149), 38 states have internal predecessors, (3149), 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) [2021-11-13 17:53:41,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 158.0) internal successors, (6162), 39 states have internal predecessors, (6162), 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) [2021-11-13 17:53:41,273 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 158.0) internal successors, (6162), 39 states have internal predecessors, (6162), 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) [2021-11-13 17:53:41,274 INFO L186 Difference]: Start difference. First operand has 175 places, 174 transitions, 503 flow. Second operand 38 states and 3149 transitions. [2021-11-13 17:53:41,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 527 transitions, 2844 flow [2021-11-13 17:53:41,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 527 transitions, 2833 flow, removed 0 selfloop flow, removed 6 redundant places. [2021-11-13 17:53:41,311 INFO L242 Difference]: Finished difference. Result has 230 places, 266 transitions, 1346 flow [2021-11-13 17:53:41,311 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=492, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=1346, PETRI_PLACES=230, PETRI_TRANSITIONS=266} [2021-11-13 17:53:41,313 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 88 predicate places. [2021-11-13 17:53:41,314 INFO L470 AbstractCegarLoop]: Abstraction has has 230 places, 266 transitions, 1346 flow [2021-11-13 17:53:41,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:53:41,316 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:41,316 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:41,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 17:53:41,318 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:41,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1986305697, now seen corresponding path program 2 times [2021-11-13 17:53:41,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:41,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503806930] [2021-11-13 17:53:41,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:41,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:42,719 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:42,719 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503806930] [2021-11-13 17:53:42,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503806930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:42,719 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:42,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:53:42,720 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787022751] [2021-11-13 17:53:42,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:42,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:53:42,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:42,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:53:42,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:53:42,728 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:53:42,732 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 266 transitions, 1346 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:53:42,732 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:42,732 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:53:42,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:53:54,370 INFO L129 PetriNetUnfolder]: 2085/5882 cut-off events. [2021-11-13 17:53:54,370 INFO L130 PetriNetUnfolder]: For 7250/7262 co-relation queries the response was YES. [2021-11-13 17:53:54,433 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15662 conditions, 5882 events. 2085/5882 cut-off events. For 7250/7262 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 42880 event pairs, 707 based on Foata normal form. 24/5659 useless extension candidates. Maximal degree in co-relation 15623. Up to 2080 conditions per place. [2021-11-13 17:53:54,540 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 406 selfloop transitions, 169 changer transitions 13/657 dead transitions. [2021-11-13 17:53:54,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 657 transitions, 4273 flow [2021-11-13 17:53:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-11-13 17:53:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-11-13 17:53:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 4164 transitions. [2021-11-13 17:53:54,563 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5167535368577811 [2021-11-13 17:53:54,563 INFO L72 ComplementDD]: Start complementDD. Operand 51 states and 4164 transitions. [2021-11-13 17:53:54,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 4164 transitions. [2021-11-13 17:53:54,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:53:54,568 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 51 states and 4164 transitions. [2021-11-13 17:53:54,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 52 states, 51 states have (on average 81.6470588235294) internal successors, (4164), 51 states have internal predecessors, (4164), 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) [2021-11-13 17:53:54,602 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 52 states, 52 states have (on average 158.0) internal successors, (8216), 52 states have internal predecessors, (8216), 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) [2021-11-13 17:53:54,606 INFO L81 ComplementDD]: Finished complementDD. Result has 52 states, 52 states have (on average 158.0) internal successors, (8216), 52 states have internal predecessors, (8216), 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) [2021-11-13 17:53:54,606 INFO L186 Difference]: Start difference. First operand has 230 places, 266 transitions, 1346 flow. Second operand 51 states and 4164 transitions. [2021-11-13 17:53:54,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 280 places, 657 transitions, 4273 flow [2021-11-13 17:53:54,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 272 places, 657 transitions, 4196 flow, removed 4 selfloop flow, removed 8 redundant places. [2021-11-13 17:53:54,688 INFO L242 Difference]: Finished difference. Result has 302 places, 354 transitions, 2468 flow [2021-11-13 17:53:54,689 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=1323, PETRI_DIFFERENCE_MINUEND_PLACES=222, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=266, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=51, PETRI_FLOW=2468, PETRI_PLACES=302, PETRI_TRANSITIONS=354} [2021-11-13 17:53:54,690 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 160 predicate places. [2021-11-13 17:53:54,691 INFO L470 AbstractCegarLoop]: Abstraction has has 302 places, 354 transitions, 2468 flow [2021-11-13 17:53:54,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:53:54,693 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:53:54,693 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:53:54,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 17:53:54,694 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:53:54,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:53:54,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1295747015, now seen corresponding path program 3 times [2021-11-13 17:53:54,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:53:54,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928073135] [2021-11-13 17:53:54,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:53:54,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:53:54,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:53:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:53:55,847 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:53:55,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928073135] [2021-11-13 17:53:55,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928073135] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:53:55,847 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:53:55,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:53:55,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633094199] [2021-11-13 17:53:55,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:53:55,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:53:55,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:53:55,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:53:55,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:53:55,854 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:53:55,858 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 354 transitions, 2468 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:53:55,858 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:53:55,858 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:53:55,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:54:03,924 INFO L129 PetriNetUnfolder]: 2767/7580 cut-off events. [2021-11-13 17:54:03,925 INFO L130 PetriNetUnfolder]: For 24892/24899 co-relation queries the response was YES. [2021-11-13 17:54:04,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 24889 conditions, 7580 events. 2767/7580 cut-off events. For 24892/24899 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 58409 event pairs, 1070 based on Foata normal form. 22/7277 useless extension candidates. Maximal degree in co-relation 24820. Up to 2960 conditions per place. [2021-11-13 17:54:04,112 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 454 selfloop transitions, 164 changer transitions 3/690 dead transitions. [2021-11-13 17:54:04,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 690 transitions, 6224 flow [2021-11-13 17:54:04,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 17:54:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-13 17:54:04,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 3067 transitions. [2021-11-13 17:54:04,123 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5246322271638727 [2021-11-13 17:54:04,124 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 3067 transitions. [2021-11-13 17:54:04,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 3067 transitions. [2021-11-13 17:54:04,130 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:04,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 3067 transitions. [2021-11-13 17:54:04,141 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 82.89189189189189) internal successors, (3067), 37 states have internal predecessors, (3067), 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) [2021-11-13 17:54:04,155 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 158.0) internal successors, (6004), 38 states have internal predecessors, (6004), 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) [2021-11-13 17:54:04,159 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 158.0) internal successors, (6004), 38 states have internal predecessors, (6004), 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) [2021-11-13 17:54:04,159 INFO L186 Difference]: Start difference. First operand has 302 places, 354 transitions, 2468 flow. Second operand 37 states and 3067 transitions. [2021-11-13 17:54:04,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 690 transitions, 6224 flow [2021-11-13 17:54:04,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 323 places, 690 transitions, 5760 flow, removed 66 selfloop flow, removed 15 redundant places. [2021-11-13 17:54:04,381 INFO L242 Difference]: Finished difference. Result has 350 places, 443 transitions, 3716 flow [2021-11-13 17:54:04,382 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=2195, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=3716, PETRI_PLACES=350, PETRI_TRANSITIONS=443} [2021-11-13 17:54:04,387 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 208 predicate places. [2021-11-13 17:54:04,388 INFO L470 AbstractCegarLoop]: Abstraction has has 350 places, 443 transitions, 3716 flow [2021-11-13 17:54:04,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:04,390 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:54:04,390 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:04,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 17:54:04,391 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:54:04,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:04,394 INFO L85 PathProgramCache]: Analyzing trace with hash -548491573, now seen corresponding path program 4 times [2021-11-13 17:54:04,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:04,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604220350] [2021-11-13 17:54:04,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:04,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:05,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:05,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604220350] [2021-11-13 17:54:05,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604220350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:05,656 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:05,656 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:54:05,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932383650] [2021-11-13 17:54:05,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:05,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:54:05,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:05,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:54:05,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:54:05,662 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:54:05,664 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 443 transitions, 3716 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:05,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:54:05,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:54:05,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:54:16,957 INFO L129 PetriNetUnfolder]: 3693/9862 cut-off events. [2021-11-13 17:54:16,957 INFO L130 PetriNetUnfolder]: For 55058/55069 co-relation queries the response was YES. [2021-11-13 17:54:17,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37388 conditions, 9862 events. 3693/9862 cut-off events. For 55058/55069 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 80874 event pairs, 1271 based on Foata normal form. 26/9424 useless extension candidates. Maximal degree in co-relation 37292. Up to 3965 conditions per place. [2021-11-13 17:54:17,192 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 587 selfloop transitions, 186 changer transitions 2/844 dead transitions. [2021-11-13 17:54:17,192 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 844 transitions, 8736 flow [2021-11-13 17:54:17,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-13 17:54:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-11-13 17:54:17,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 3576 transitions. [2021-11-13 17:54:17,203 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5263467765675596 [2021-11-13 17:54:17,204 INFO L72 ComplementDD]: Start complementDD. Operand 43 states and 3576 transitions. [2021-11-13 17:54:17,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 3576 transitions. [2021-11-13 17:54:17,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:17,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 43 states and 3576 transitions. [2021-11-13 17:54:17,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 44 states, 43 states have (on average 83.16279069767442) internal successors, (3576), 43 states have internal predecessors, (3576), 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) [2021-11-13 17:54:17,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 44 states, 44 states have (on average 158.0) internal successors, (6952), 44 states have internal predecessors, (6952), 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) [2021-11-13 17:54:17,236 INFO L81 ComplementDD]: Finished complementDD. Result has 44 states, 44 states have (on average 158.0) internal successors, (6952), 44 states have internal predecessors, (6952), 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) [2021-11-13 17:54:17,236 INFO L186 Difference]: Start difference. First operand has 350 places, 443 transitions, 3716 flow. Second operand 43 states and 3576 transitions. [2021-11-13 17:54:17,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 392 places, 844 transitions, 8736 flow [2021-11-13 17:54:17,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 844 transitions, 8079 flow, removed 320 selfloop flow, removed 6 redundant places. [2021-11-13 17:54:17,773 INFO L242 Difference]: Finished difference. Result has 417 places, 555 transitions, 5493 flow [2021-11-13 17:54:17,774 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=3472, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=443, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=5493, PETRI_PLACES=417, PETRI_TRANSITIONS=555} [2021-11-13 17:54:17,776 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 275 predicate places. [2021-11-13 17:54:17,776 INFO L470 AbstractCegarLoop]: Abstraction has has 417 places, 555 transitions, 5493 flow [2021-11-13 17:54:17,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:17,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:54:17,778 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:17,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-13 17:54:17,779 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:54:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1678509911, now seen corresponding path program 5 times [2021-11-13 17:54:17,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:17,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659992583] [2021-11-13 17:54:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:17,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:18,844 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:18,844 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659992583] [2021-11-13 17:54:18,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659992583] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:18,845 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:18,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:54:18,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100041711] [2021-11-13 17:54:18,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:18,846 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:54:18,846 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:54:18,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:54:18,849 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:54:18,851 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 417 places, 555 transitions, 5493 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:18,851 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:54:18,851 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:54:18,851 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:54:32,409 INFO L129 PetriNetUnfolder]: 4095/10925 cut-off events. [2021-11-13 17:54:32,409 INFO L130 PetriNetUnfolder]: For 88419/88450 co-relation queries the response was YES. [2021-11-13 17:54:32,566 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46399 conditions, 10925 events. 4095/10925 cut-off events. For 88419/88450 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 92468 event pairs, 897 based on Foata normal form. 36/10493 useless extension candidates. Maximal degree in co-relation 46272. Up to 3039 conditions per place. [2021-11-13 17:54:32,622 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 656 selfloop transitions, 370 changer transitions 19/1114 dead transitions. [2021-11-13 17:54:32,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 1114 transitions, 12968 flow [2021-11-13 17:54:32,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-13 17:54:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2021-11-13 17:54:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 4475 transitions. [2021-11-13 17:54:32,631 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5244960150023441 [2021-11-13 17:54:32,632 INFO L72 ComplementDD]: Start complementDD. Operand 54 states and 4475 transitions. [2021-11-13 17:54:32,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 4475 transitions. [2021-11-13 17:54:32,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:32,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 54 states and 4475 transitions. [2021-11-13 17:54:32,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 55 states, 54 states have (on average 82.87037037037037) internal successors, (4475), 54 states have internal predecessors, (4475), 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) [2021-11-13 17:54:32,656 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 55 states, 55 states have (on average 158.0) internal successors, (8690), 55 states have internal predecessors, (8690), 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) [2021-11-13 17:54:32,659 INFO L81 ComplementDD]: Finished complementDD. Result has 55 states, 55 states have (on average 158.0) internal successors, (8690), 55 states have internal predecessors, (8690), 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) [2021-11-13 17:54:32,659 INFO L186 Difference]: Start difference. First operand has 417 places, 555 transitions, 5493 flow. Second operand 54 states and 4475 transitions. [2021-11-13 17:54:32,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 1114 transitions, 12968 flow [2021-11-13 17:54:33,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 462 places, 1114 transitions, 12405 flow, removed 223 selfloop flow, removed 8 redundant places. [2021-11-13 17:54:33,319 INFO L242 Difference]: Finished difference. Result has 496 places, 652 transitions, 7894 flow [2021-11-13 17:54:33,321 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=5064, PETRI_DIFFERENCE_MINUEND_PLACES=409, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=555, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=274, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=258, PETRI_DIFFERENCE_SUBTRAHEND_STATES=54, PETRI_FLOW=7894, PETRI_PLACES=496, PETRI_TRANSITIONS=652} [2021-11-13 17:54:33,322 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 354 predicate places. [2021-11-13 17:54:33,322 INFO L470 AbstractCegarLoop]: Abstraction has has 496 places, 652 transitions, 7894 flow [2021-11-13 17:54:33,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:33,323 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:54:33,323 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:33,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 17:54:33,323 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:54:33,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:33,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1900744409, now seen corresponding path program 6 times [2021-11-13 17:54:33,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:33,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838399667] [2021-11-13 17:54:33,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:33,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:34,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:34,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838399667] [2021-11-13 17:54:34,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838399667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:34,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:34,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:54:34,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138358311] [2021-11-13 17:54:34,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:34,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:54:34,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:34,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:54:34,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:54:34,157 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:54:34,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 496 places, 652 transitions, 7894 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:34,160 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:54:34,160 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:54:34,160 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:54:43,412 INFO L129 PetriNetUnfolder]: 4693/12355 cut-off events. [2021-11-13 17:54:43,412 INFO L130 PetriNetUnfolder]: For 151086/151115 co-relation queries the response was YES. [2021-11-13 17:54:43,689 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58771 conditions, 12355 events. 4693/12355 cut-off events. For 151086/151115 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 107444 event pairs, 1850 based on Foata normal form. 29/11813 useless extension candidates. Maximal degree in co-relation 58610. Up to 5145 conditions per place. [2021-11-13 17:54:43,753 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 743 selfloop transitions, 240 changer transitions 3/1055 dead transitions. [2021-11-13 17:54:43,753 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 533 places, 1055 transitions, 14964 flow [2021-11-13 17:54:43,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-11-13 17:54:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-11-13 17:54:43,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 3169 transitions. [2021-11-13 17:54:43,760 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5278147901399067 [2021-11-13 17:54:43,760 INFO L72 ComplementDD]: Start complementDD. Operand 38 states and 3169 transitions. [2021-11-13 17:54:43,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 3169 transitions. [2021-11-13 17:54:43,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:43,762 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 38 states and 3169 transitions. [2021-11-13 17:54:43,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 39 states, 38 states have (on average 83.39473684210526) internal successors, (3169), 38 states have internal predecessors, (3169), 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) [2021-11-13 17:54:43,778 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 39 states, 39 states have (on average 158.0) internal successors, (6162), 39 states have internal predecessors, (6162), 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) [2021-11-13 17:54:43,780 INFO L81 ComplementDD]: Finished complementDD. Result has 39 states, 39 states have (on average 158.0) internal successors, (6162), 39 states have internal predecessors, (6162), 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) [2021-11-13 17:54:43,781 INFO L186 Difference]: Start difference. First operand has 496 places, 652 transitions, 7894 flow. Second operand 38 states and 3169 transitions. [2021-11-13 17:54:43,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 533 places, 1055 transitions, 14964 flow [2021-11-13 17:54:44,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 521 places, 1055 transitions, 13632 flow, removed 477 selfloop flow, removed 12 redundant places. [2021-11-13 17:54:44,792 INFO L242 Difference]: Finished difference. Result has 545 places, 730 transitions, 9279 flow [2021-11-13 17:54:44,794 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=7109, PETRI_DIFFERENCE_MINUEND_PLACES=484, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=652, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=167, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=455, PETRI_DIFFERENCE_SUBTRAHEND_STATES=38, PETRI_FLOW=9279, PETRI_PLACES=545, PETRI_TRANSITIONS=730} [2021-11-13 17:54:44,794 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 403 predicate places. [2021-11-13 17:54:44,795 INFO L470 AbstractCegarLoop]: Abstraction has has 545 places, 730 transitions, 9279 flow [2021-11-13 17:54:44,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:44,796 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:54:44,796 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:44,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 17:54:44,796 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:54:44,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:44,797 INFO L85 PathProgramCache]: Analyzing trace with hash 316491459, now seen corresponding path program 7 times [2021-11-13 17:54:44,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:44,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807028712] [2021-11-13 17:54:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:44,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:45,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:54:45,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807028712] [2021-11-13 17:54:45,484 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807028712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:54:45,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:54:45,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:54:45,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414921750] [2021-11-13 17:54:45,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:54:45,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:54:45,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:54:45,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:54:45,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=681, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:54:45,489 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:54:45,491 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 730 transitions, 9279 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:45,491 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:54:45,491 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:54:45,492 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:54:57,639 INFO L129 PetriNetUnfolder]: 5273/13813 cut-off events. [2021-11-13 17:54:57,639 INFO L130 PetriNetUnfolder]: For 218625/218667 co-relation queries the response was YES. [2021-11-13 17:54:58,007 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71479 conditions, 13813 events. 5273/13813 cut-off events. For 218625/218667 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 123697 event pairs, 1249 based on Foata normal form. 35/13263 useless extension candidates. Maximal degree in co-relation 71294. Up to 5923 conditions per place. [2021-11-13 17:54:58,078 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 818 selfloop transitions, 243 changer transitions 14/1144 dead transitions. [2021-11-13 17:54:58,078 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 593 places, 1144 transitions, 16980 flow [2021-11-13 17:54:58,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-13 17:54:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-11-13 17:54:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 4033 transitions. [2021-11-13 17:54:58,085 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5209248256264531 [2021-11-13 17:54:58,085 INFO L72 ComplementDD]: Start complementDD. Operand 49 states and 4033 transitions. [2021-11-13 17:54:58,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 4033 transitions. [2021-11-13 17:54:58,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:58,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 49 states and 4033 transitions. [2021-11-13 17:54:58,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 50 states, 49 states have (on average 82.3061224489796) internal successors, (4033), 49 states have internal predecessors, (4033), 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) [2021-11-13 17:54:58,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 50 states, 50 states have (on average 158.0) internal successors, (7900), 50 states have internal predecessors, (7900), 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) [2021-11-13 17:54:58,109 INFO L81 ComplementDD]: Finished complementDD. Result has 50 states, 50 states have (on average 158.0) internal successors, (7900), 50 states have internal predecessors, (7900), 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) [2021-11-13 17:54:58,109 INFO L186 Difference]: Start difference. First operand has 545 places, 730 transitions, 9279 flow. Second operand 49 states and 4033 transitions. [2021-11-13 17:54:58,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 593 places, 1144 transitions, 16980 flow [2021-11-13 17:54:59,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 581 places, 1144 transitions, 15437 flow, removed 626 selfloop flow, removed 12 redundant places. [2021-11-13 17:54:59,582 INFO L242 Difference]: Finished difference. Result has 617 places, 834 transitions, 11544 flow [2021-11-13 17:54:59,583 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=8559, PETRI_DIFFERENCE_MINUEND_PLACES=533, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=730, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=148, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=49, PETRI_FLOW=11544, PETRI_PLACES=617, PETRI_TRANSITIONS=834} [2021-11-13 17:54:59,584 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 475 predicate places. [2021-11-13 17:54:59,584 INFO L470 AbstractCegarLoop]: Abstraction has has 617 places, 834 transitions, 11544 flow [2021-11-13 17:54:59,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:54:59,585 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:54:59,585 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:59,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-13 17:54:59,585 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:54:59,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:59,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1253928961, now seen corresponding path program 8 times [2021-11-13 17:54:59,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:59,586 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390871634] [2021-11-13 17:54:59,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:59,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:00,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:00,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390871634] [2021-11-13 17:55:00,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390871634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:00,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:00,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:55:00,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432519732] [2021-11-13 17:55:00,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:00,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:55:00,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:00,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:55:00,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=690, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:55:00,368 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 158 [2021-11-13 17:55:00,370 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 617 places, 834 transitions, 11544 flow. Second operand has 28 states, 28 states have (on average 74.03571428571429) internal successors, (2073), 28 states have internal predecessors, (2073), 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) [2021-11-13 17:55:00,371 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:00,371 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 158 [2021-11-13 17:55:00,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-13 17:55:13,668 INFO L129 PetriNetUnfolder]: 6398/16713 cut-off events. [2021-11-13 17:55:13,668 INFO L130 PetriNetUnfolder]: For 287861/287912 co-relation queries the response was YES. [2021-11-13 17:55:14,107 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89578 conditions, 16713 events. 6398/16713 cut-off events. For 287861/287912 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 152795 event pairs, 1834 based on Foata normal form. 38/16105 useless extension candidates. Maximal degree in co-relation 89357. Up to 6348 conditions per place. [2021-11-13 17:55:14,186 INFO L132 encePairwiseOnDemand]: 125/158 looper letters, 909 selfloop transitions, 359 changer transitions 4/1340 dead transitions. [2021-11-13 17:55:14,186 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 653 places, 1340 transitions, 21675 flow [2021-11-13 17:55:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-13 17:55:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-11-13 17:55:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 3046 transitions. [2021-11-13 17:55:14,191 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.5210400273691413 [2021-11-13 17:55:14,192 INFO L72 ComplementDD]: Start complementDD. Operand 37 states and 3046 transitions. [2021-11-13 17:55:14,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 3046 transitions. [2021-11-13 17:55:14,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:55:14,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 37 states and 3046 transitions. [2021-11-13 17:55:14,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 38 states, 37 states have (on average 82.32432432432432) internal successors, (3046), 37 states have internal predecessors, (3046), 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) [2021-11-13 17:55:14,206 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 38 states, 38 states have (on average 158.0) internal successors, (6004), 38 states have internal predecessors, (6004), 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) [2021-11-13 17:55:14,207 INFO L81 ComplementDD]: Finished complementDD. Result has 38 states, 38 states have (on average 158.0) internal successors, (6004), 38 states have internal predecessors, (6004), 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) [2021-11-13 17:55:14,207 INFO L186 Difference]: Start difference. First operand has 617 places, 834 transitions, 11544 flow. Second operand 37 states and 3046 transitions. [2021-11-13 17:55:14,207 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 653 places, 1340 transitions, 21675 flow [2021-11-13 17:55:16,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 645 places, 1340 transitions, 19935 flow, removed 840 selfloop flow, removed 8 redundant places. [2021-11-13 17:55:16,857 INFO L242 Difference]: Finished difference. Result has 673 places, 947 transitions, 14444 flow [2021-11-13 17:55:16,860 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=10560, PETRI_DIFFERENCE_MINUEND_PLACES=609, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=834, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=253, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=530, PETRI_DIFFERENCE_SUBTRAHEND_STATES=37, PETRI_FLOW=14444, PETRI_PLACES=673, PETRI_TRANSITIONS=947} [2021-11-13 17:55:16,860 INFO L334 CegarLoopForPetriNet]: 142 programPoint places, 531 predicate places. [2021-11-13 17:55:16,861 INFO L470 AbstractCegarLoop]: Abstraction has has 673 places, 947 transitions, 14444 flow [2021-11-13 17:55:16,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 74.03571428571429) internal successors, (2073), 28 states have internal predecessors, (2073), 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) [2021-11-13 17:55:16,861 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-13 17:55:16,861 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:55:16,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 17:55:16,862 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION === [reader_fnErr1ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr2ASSERT_VIOLATIONERROR_FUNCTION, reader_fnErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-13 17:55:16,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:55:16,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1084924805, now seen corresponding path program 9 times [2021-11-13 17:55:16,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:55:16,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473637428] [2021-11-13 17:55:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:55:16,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:55:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:55:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:55:17,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 17:55:17,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473637428] [2021-11-13 17:55:17,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473637428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 17:55:17,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 17:55:17,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-11-13 17:55:17,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086049292] [2021-11-13 17:55:17,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 17:55:17,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 17:55:17,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 17:55:17,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 17:55:17,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=691, Unknown=0, NotChecked=0, Total=756 [2021-11-13 17:55:17,824 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 158 [2021-11-13 17:55:17,826 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 673 places, 947 transitions, 14444 flow. Second operand has 28 states, 28 states have (on average 75.0) internal successors, (2100), 28 states have internal predecessors, (2100), 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) [2021-11-13 17:55:17,827 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-13 17:55:17,827 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 158 [2021-11-13 17:55:17,830 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand