./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF --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 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:13:13,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:13:13,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:13:13,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:13:13,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:13:13,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:13:13,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:13:13,401 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:13:13,404 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:13:13,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:13:13,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:13:13,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:13:13,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:13:13,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:13:13,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:13:13,427 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:13:13,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:13:13,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:13:13,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:13:13,441 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:13:13,443 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:13:13,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:13:13,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:13:13,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:13:13,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:13:13,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:13:13,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:13:13,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:13:13,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:13:13,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:13:13,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:13:13,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:13:13,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:13:13,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:13:13,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:13:13,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:13:13,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:13:13,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:13:13,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:13:13,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:13:13,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:13:13,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 07:13:13,514 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:13:13,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:13:13,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:13:13,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:13:13,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:13:13,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:13:13,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:13:13,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:13:13,524 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:13:13,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:13:13,525 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:13:13,525 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:13:13,526 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:13:13,526 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:13:13,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:13:13,526 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:13:13,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:13:13,527 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:13:13,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:13:13,527 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:13:13,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:13:13,527 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:13:13,528 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:13:13,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:13:13,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:13:13,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:13:13,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:13:13,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:13:13,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:13:13,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:13:13,531 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:13:13,531 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:13:13,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:13:13,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:13:13,532 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_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65bf47faf943da19c0d2d15e35f35ceed9dd68ed50ac4355a0589bd57bf3d155 [2021-11-20 07:13:13,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:13:13,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:13:13,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:13:13,815 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:13:13,816 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:13:13,818 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-20 07:13:13,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/data/2c7025ca9/d1f1c4faf4f04d4ea212ca59fecde051/FLAG79d4de40a [2021-11-20 07:13:14,321 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:13:14,321 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c [2021-11-20 07:13:14,329 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/data/2c7025ca9/d1f1c4faf4f04d4ea212ca59fecde051/FLAG79d4de40a [2021-11-20 07:13:14,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/data/2c7025ca9/d1f1c4faf4f04d4ea212ca59fecde051 [2021-11-20 07:13:14,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:13:14,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:13:14,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:13:14,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:13:14,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:13:14,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:13:14" (1/1) ... [2021-11-20 07:13:14,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ab14ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:14, skipping insertion in model container [2021-11-20 07:13:14,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:13:14" (1/1) ... [2021-11-20 07:13:14,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:13:14,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:13:14,971 WARN L230 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_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-20 07:13:14,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:13:14,983 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:13:15,005 WARN L230 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_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/sv-benchmarks/c/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2021-11-20 07:13:15,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:13:15,029 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:13:15,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15 WrapperNode [2021-11-20 07:13:15,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:13:15,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:13:15,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:13:15,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:13:15,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,081 INFO L137 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 116 [2021-11-20 07:13:15,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:13:15,082 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:13:15,082 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:13:15,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:13:15,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:13:15,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:13:15,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:13:15,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:13:15,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (1/1) ... [2021-11-20 07:13:15,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:13:15,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:13:15,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:13:15,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:13:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:13:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-20 07:13:15,198 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-20 07:13:15,198 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-20 07:13:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-20 07:13:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-20 07:13:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-20 07:13:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-20 07:13:15,199 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-20 07:13:15,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:13:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:13:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:13:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 07:13:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 07:13:15,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:13:15,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:13:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:13:15,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:13:15,202 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:13:15,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:13:15,282 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:13:15,556 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:13:15,624 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:13:15,624 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-20 07:13:15,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:13:15 BoogieIcfgContainer [2021-11-20 07:13:15,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:13:15,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:13:15,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:13:15,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:13:15,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:13:14" (1/3) ... [2021-11-20 07:13:15,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c413134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:13:15, skipping insertion in model container [2021-11-20 07:13:15,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:13:15" (2/3) ... [2021-11-20 07:13:15,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c413134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:13:15, skipping insertion in model container [2021-11-20 07:13:15,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:13:15" (3/3) ... [2021-11-20 07:13:15,635 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2021-11-20 07:13:15,640 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:13:15,641 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:13:15,641 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:13:15,641 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:13:15,678 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,678 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,678 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,678 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,679 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,679 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,679 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,680 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,680 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,681 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,681 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,681 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,682 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,682 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,683 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,684 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,685 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,686 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,687 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,688 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,688 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,689 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,689 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,689 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,689 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,689 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,690 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,691 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,691 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,691 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,692 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,692 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,692 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,693 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,693 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,694 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,694 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,694 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,694 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,694 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,695 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,696 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,697 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,698 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,698 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,698 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,701 WARN L322 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,701 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,702 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,702 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,703 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,703 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,704 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_~i~3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,705 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,706 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,707 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,707 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,707 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,707 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,708 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_~i~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,708 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,708 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:13:15,717 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-11-20 07:13:15,782 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:13:15,789 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 [2021-11-20 07:13:15,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-20 07:13:15,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 124 transitions, 280 flow [2021-11-20 07:13:15,916 INFO L129 PetriNetUnfolder]: 9/120 cut-off events. [2021-11-20 07:13:15,917 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 07:13:15,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 120 events. 9/120 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 97 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 79. Up to 2 conditions per place. [2021-11-20 07:13:15,925 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 124 transitions, 280 flow [2021-11-20 07:13:15,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 111 places, 107 transitions, 238 flow [2021-11-20 07:13:15,988 INFO L129 PetriNetUnfolder]: 9/106 cut-off events. [2021-11-20 07:13:15,988 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-11-20 07:13:15,989 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:15,990 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] [2021-11-20 07:13:15,990 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:15,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:15,997 INFO L85 PathProgramCache]: Analyzing trace with hash -835718213, now seen corresponding path program 1 times [2021-11-20 07:13:16,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:16,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149703362] [2021-11-20 07:13:16,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:16,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:16,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:16,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:16,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149703362] [2021-11-20 07:13:16,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149703362] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:16,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:16,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:13:16,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241405234] [2021-11-20 07:13:16,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:16,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:13:16,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:16,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:13:16,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:13:16,596 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 124 [2021-11-20 07:13:16,604 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 107 transitions, 238 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2021-11-20 07:13:16,604 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:16,604 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 124 [2021-11-20 07:13:16,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:16,933 INFO L129 PetriNetUnfolder]: 107/494 cut-off events. [2021-11-20 07:13:16,933 INFO L130 PetriNetUnfolder]: For 115/116 co-relation queries the response was YES. [2021-11-20 07:13:16,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 494 events. 107/494 cut-off events. For 115/116 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2247 event pairs, 24 based on Foata normal form. 136/564 useless extension candidates. Maximal degree in co-relation 525. Up to 124 conditions per place. [2021-11-20 07:13:16,946 INFO L132 encePairwiseOnDemand]: 109/124 looper letters, 32 selfloop transitions, 5 changer transitions 8/128 dead transitions. [2021-11-20 07:13:16,946 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 128 transitions, 406 flow [2021-11-20 07:13:16,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 07:13:16,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-20 07:13:16,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 856 transitions. [2021-11-20 07:13:16,969 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629032258064516 [2021-11-20 07:13:16,972 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 856 transitions. [2021-11-20 07:13:16,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 856 transitions. [2021-11-20 07:13:16,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:16,979 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 856 transitions. [2021-11-20 07:13:16,984 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 107.0) internal successors, (856), 8 states have internal predecessors, (856), 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) [2021-11-20 07:13:16,992 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 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) [2021-11-20 07:13:16,993 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 124.0) internal successors, (1116), 9 states have internal predecessors, (1116), 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) [2021-11-20 07:13:16,994 INFO L186 Difference]: Start difference. First operand has 111 places, 107 transitions, 238 flow. Second operand 8 states and 856 transitions. [2021-11-20 07:13:16,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 128 transitions, 406 flow [2021-11-20 07:13:17,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 128 transitions, 366 flow, removed 0 selfloop flow, removed 8 redundant places. [2021-11-20 07:13:17,005 INFO L242 Difference]: Finished difference. Result has 114 places, 104 transitions, 249 flow [2021-11-20 07:13:17,007 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=249, PETRI_PLACES=114, PETRI_TRANSITIONS=104} [2021-11-20 07:13:17,011 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 3 predicate places. [2021-11-20 07:13:17,011 INFO L470 AbstractCegarLoop]: Abstraction has has 114 places, 104 transitions, 249 flow [2021-11-20 07:13:17,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2021-11-20 07:13:17,012 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:17,012 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] [2021-11-20 07:13:17,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:13:17,013 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:17,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:17,013 INFO L85 PathProgramCache]: Analyzing trace with hash 365170717, now seen corresponding path program 1 times [2021-11-20 07:13:17,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:17,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099773290] [2021-11-20 07:13:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:17,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:17,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:17,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:17,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099773290] [2021-11-20 07:13:17,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099773290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:17,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:17,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:17,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294486787] [2021-11-20 07:13:17,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:17,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:17,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:17,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:17,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:17,156 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:17,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 104 transitions, 249 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:17,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:17,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:17,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:19,093 INFO L129 PetriNetUnfolder]: 6233/11726 cut-off events. [2021-11-20 07:13:19,093 INFO L130 PetriNetUnfolder]: For 1563/1563 co-relation queries the response was YES. [2021-11-20 07:13:19,142 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22312 conditions, 11726 events. 6233/11726 cut-off events. For 1563/1563 co-relation queries the response was YES. Maximal size of possible extension queue 611. Compared 96468 event pairs, 2937 based on Foata normal form. 0/9031 useless extension candidates. Maximal degree in co-relation 22289. Up to 3632 conditions per place. [2021-11-20 07:13:19,262 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 83 selfloop transitions, 6 changer transitions 0/162 dead transitions. [2021-11-20 07:13:19,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 162 transitions, 602 flow [2021-11-20 07:13:19,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:13:19,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:13:19,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 620 transitions. [2021-11-20 07:13:19,338 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8333333333333334 [2021-11-20 07:13:19,338 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 620 transitions. [2021-11-20 07:13:19,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 620 transitions. [2021-11-20 07:13:19,339 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:19,339 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 620 transitions. [2021-11-20 07:13:19,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 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) [2021-11-20 07:13:19,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:19,346 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:19,346 INFO L186 Difference]: Start difference. First operand has 114 places, 104 transitions, 249 flow. Second operand 6 states and 620 transitions. [2021-11-20 07:13:19,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 162 transitions, 602 flow [2021-11-20 07:13:19,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 162 transitions, 598 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-11-20 07:13:19,357 INFO L242 Difference]: Finished difference. Result has 115 places, 107 transitions, 277 flow [2021-11-20 07:13:19,358 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=277, PETRI_PLACES=115, PETRI_TRANSITIONS=107} [2021-11-20 07:13:19,359 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 4 predicate places. [2021-11-20 07:13:19,359 INFO L470 AbstractCegarLoop]: Abstraction has has 115 places, 107 transitions, 277 flow [2021-11-20 07:13:19,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:19,360 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:19,361 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] [2021-11-20 07:13:19,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:13:19,361 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:19,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1177269511, now seen corresponding path program 2 times [2021-11-20 07:13:19,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:19,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374384580] [2021-11-20 07:13:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:19,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:19,516 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:19,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374384580] [2021-11-20 07:13:19,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374384580] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:13:19,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199823255] [2021-11-20 07:13:19,518 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:13:19,519 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:13:19,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:13:19,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:13:19,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:13:19,641 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 07:13:19,641 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:13:19,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:13:19,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:13:19,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:19,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:13:20,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:20,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199823255] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:13:20,143 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:13:20,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2021-11-20 07:13:20,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985035202] [2021-11-20 07:13:20,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:13:20,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 07:13:20,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:20,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 07:13:20,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:13:20,150 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:20,151 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 107 transitions, 277 flow. Second operand has 9 states, 9 states have (on average 93.11111111111111) internal successors, (838), 9 states have internal predecessors, (838), 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) [2021-11-20 07:13:20,151 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:20,152 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:20,152 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:22,553 INFO L129 PetriNetUnfolder]: 10141/15803 cut-off events. [2021-11-20 07:13:22,555 INFO L130 PetriNetUnfolder]: For 5123/5155 co-relation queries the response was YES. [2021-11-20 07:13:22,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 35365 conditions, 15803 events. 10141/15803 cut-off events. For 5123/5155 co-relation queries the response was YES. Maximal size of possible extension queue 846. Compared 113133 event pairs, 1088 based on Foata normal form. 192/13136 useless extension candidates. Maximal degree in co-relation 29374. Up to 2334 conditions per place. [2021-11-20 07:13:22,747 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 177 selfloop transitions, 28 changer transitions 1/279 dead transitions. [2021-11-20 07:13:22,747 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 279 transitions, 1237 flow [2021-11-20 07:13:22,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 07:13:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-20 07:13:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1452 transitions. [2021-11-20 07:13:22,754 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.836405529953917 [2021-11-20 07:13:22,754 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1452 transitions. [2021-11-20 07:13:22,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1452 transitions. [2021-11-20 07:13:22,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:22,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1452 transitions. [2021-11-20 07:13:22,761 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 103.71428571428571) internal successors, (1452), 14 states have internal predecessors, (1452), 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) [2021-11-20 07:13:22,767 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 124.0) internal successors, (1860), 15 states have internal predecessors, (1860), 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) [2021-11-20 07:13:22,768 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 124.0) internal successors, (1860), 15 states have internal predecessors, (1860), 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) [2021-11-20 07:13:22,768 INFO L186 Difference]: Start difference. First operand has 115 places, 107 transitions, 277 flow. Second operand 14 states and 1452 transitions. [2021-11-20 07:13:22,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 279 transitions, 1237 flow [2021-11-20 07:13:22,785 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 279 transitions, 1222 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 07:13:22,790 INFO L242 Difference]: Finished difference. Result has 133 places, 135 transitions, 470 flow [2021-11-20 07:13:22,791 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=271, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=107, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=470, PETRI_PLACES=133, PETRI_TRANSITIONS=135} [2021-11-20 07:13:22,792 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 22 predicate places. [2021-11-20 07:13:22,792 INFO L470 AbstractCegarLoop]: Abstraction has has 133 places, 135 transitions, 470 flow [2021-11-20 07:13:22,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 93.11111111111111) internal successors, (838), 9 states have internal predecessors, (838), 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) [2021-11-20 07:13:22,793 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:22,793 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] [2021-11-20 07:13:22,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:13:23,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:13:23,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:23,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:23,010 INFO L85 PathProgramCache]: Analyzing trace with hash -290999237, now seen corresponding path program 3 times [2021-11-20 07:13:23,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:23,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065621546] [2021-11-20 07:13:23,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:23,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:23,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:23,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065621546] [2021-11-20 07:13:23,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065621546] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:23,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:23,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:23,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924898173] [2021-11-20 07:13:23,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:23,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:23,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:23,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:23,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:23,086 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:23,087 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 135 transitions, 470 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:23,087 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:23,087 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:23,087 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:26,514 INFO L129 PetriNetUnfolder]: 13768/22840 cut-off events. [2021-11-20 07:13:26,514 INFO L130 PetriNetUnfolder]: For 26912/28031 co-relation queries the response was YES. [2021-11-20 07:13:26,665 INFO L84 FinitePrefix]: Finished finitePrefix Result has 58648 conditions, 22840 events. 13768/22840 cut-off events. For 26912/28031 co-relation queries the response was YES. Maximal size of possible extension queue 1310. Compared 188633 event pairs, 4285 based on Foata normal form. 1060/20635 useless extension candidates. Maximal degree in co-relation 43866. Up to 9840 conditions per place. [2021-11-20 07:13:26,820 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 115 selfloop transitions, 21 changer transitions 1/222 dead transitions. [2021-11-20 07:13:26,820 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 222 transitions, 1098 flow [2021-11-20 07:13:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:13:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:13:26,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 642 transitions. [2021-11-20 07:13:26,823 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8629032258064516 [2021-11-20 07:13:26,823 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 642 transitions. [2021-11-20 07:13:26,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 642 transitions. [2021-11-20 07:13:26,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:26,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 642 transitions. [2021-11-20 07:13:26,827 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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) [2021-11-20 07:13:26,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:26,830 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:26,830 INFO L186 Difference]: Start difference. First operand has 133 places, 135 transitions, 470 flow. Second operand 6 states and 642 transitions. [2021-11-20 07:13:26,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 222 transitions, 1098 flow [2021-11-20 07:13:26,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 222 transitions, 1092 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-11-20 07:13:26,967 INFO L242 Difference]: Finished difference. Result has 140 places, 149 transitions, 594 flow [2021-11-20 07:13:26,968 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=594, PETRI_PLACES=140, PETRI_TRANSITIONS=149} [2021-11-20 07:13:26,969 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 29 predicate places. [2021-11-20 07:13:26,969 INFO L470 AbstractCegarLoop]: Abstraction has has 140 places, 149 transitions, 594 flow [2021-11-20 07:13:26,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:26,969 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:26,970 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] [2021-11-20 07:13:26,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:13:26,970 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:26,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:26,971 INFO L85 PathProgramCache]: Analyzing trace with hash -551484583, now seen corresponding path program 1 times [2021-11-20 07:13:26,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:26,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665722050] [2021-11-20 07:13:26,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:26,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:27,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:27,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665722050] [2021-11-20 07:13:27,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665722050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:27,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:27,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:27,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046580825] [2021-11-20 07:13:27,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:27,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:27,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:27,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:27,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:27,052 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:27,053 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 149 transitions, 594 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:27,053 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:27,053 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:27,053 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:30,510 INFO L129 PetriNetUnfolder]: 16121/28229 cut-off events. [2021-11-20 07:13:30,511 INFO L130 PetriNetUnfolder]: For 39584/41423 co-relation queries the response was YES. [2021-11-20 07:13:30,659 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77396 conditions, 28229 events. 16121/28229 cut-off events. For 39584/41423 co-relation queries the response was YES. Maximal size of possible extension queue 1663. Compared 256255 event pairs, 7338 based on Foata normal form. 1500/28138 useless extension candidates. Maximal degree in co-relation 58149. Up to 11933 conditions per place. [2021-11-20 07:13:30,834 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 74 selfloop transitions, 19 changer transitions 13/195 dead transitions. [2021-11-20 07:13:30,834 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 195 transitions, 985 flow [2021-11-20 07:13:30,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:13:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:13:30,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 617 transitions. [2021-11-20 07:13:30,837 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8293010752688172 [2021-11-20 07:13:30,837 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 617 transitions. [2021-11-20 07:13:30,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 617 transitions. [2021-11-20 07:13:30,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:30,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 617 transitions. [2021-11-20 07:13:30,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 102.83333333333333) internal successors, (617), 6 states have internal predecessors, (617), 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) [2021-11-20 07:13:30,842 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:30,843 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:30,843 INFO L186 Difference]: Start difference. First operand has 140 places, 149 transitions, 594 flow. Second operand 6 states and 617 transitions. [2021-11-20 07:13:30,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 195 transitions, 985 flow [2021-11-20 07:13:31,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 195 transitions, 983 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-11-20 07:13:31,100 INFO L242 Difference]: Finished difference. Result has 147 places, 149 transitions, 639 flow [2021-11-20 07:13:31,101 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=592, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=147, PETRI_TRANSITIONS=149} [2021-11-20 07:13:31,104 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 36 predicate places. [2021-11-20 07:13:31,104 INFO L470 AbstractCegarLoop]: Abstraction has has 147 places, 149 transitions, 639 flow [2021-11-20 07:13:31,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:31,105 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:31,105 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] [2021-11-20 07:13:31,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:13:31,105 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:31,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:31,106 INFO L85 PathProgramCache]: Analyzing trace with hash -453112731, now seen corresponding path program 4 times [2021-11-20 07:13:31,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:31,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559127715] [2021-11-20 07:13:31,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:31,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:31,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:31,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559127715] [2021-11-20 07:13:31,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559127715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 07:13:31,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335194186] [2021-11-20 07:13:31,235 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 07:13:31,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:13:31,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:13:31,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:13:31,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:13:31,313 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 07:13:31,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 07:13:31,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 07:13:31,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:13:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:31,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 07:13:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:31,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335194186] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 07:13:31,770 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 07:13:31,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2021-11-20 07:13:31,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757562032] [2021-11-20 07:13:31,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 07:13:31,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 07:13:31,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:31,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 07:13:31,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:13:31,778 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:31,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 149 transitions, 639 flow. Second operand has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 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) [2021-11-20 07:13:31,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:31,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:31,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:35,797 INFO L129 PetriNetUnfolder]: 18450/33118 cut-off events. [2021-11-20 07:13:35,797 INFO L130 PetriNetUnfolder]: For 49627/50222 co-relation queries the response was YES. [2021-11-20 07:13:35,973 INFO L84 FinitePrefix]: Finished finitePrefix Result has 90983 conditions, 33118 events. 18450/33118 cut-off events. For 49627/50222 co-relation queries the response was YES. Maximal size of possible extension queue 1889. Compared 309695 event pairs, 4958 based on Foata normal form. 668/32188 useless extension candidates. Maximal degree in co-relation 69617. Up to 7001 conditions per place. [2021-11-20 07:13:36,156 INFO L132 encePairwiseOnDemand]: 116/124 looper letters, 176 selfloop transitions, 46 changer transitions 0/299 dead transitions. [2021-11-20 07:13:36,156 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 299 transitions, 1847 flow [2021-11-20 07:13:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:13:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 07:13:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 956 transitions. [2021-11-20 07:13:36,161 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8566308243727598 [2021-11-20 07:13:36,161 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 956 transitions. [2021-11-20 07:13:36,161 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 956 transitions. [2021-11-20 07:13:36,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:36,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 956 transitions. [2021-11-20 07:13:36,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 106.22222222222223) internal successors, (956), 9 states have internal predecessors, (956), 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) [2021-11-20 07:13:36,168 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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) [2021-11-20 07:13:36,169 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 124.0) internal successors, (1240), 10 states have internal predecessors, (1240), 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) [2021-11-20 07:13:36,169 INFO L186 Difference]: Start difference. First operand has 147 places, 149 transitions, 639 flow. Second operand 9 states and 956 transitions. [2021-11-20 07:13:36,169 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 299 transitions, 1847 flow [2021-11-20 07:13:36,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 299 transitions, 1799 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-11-20 07:13:36,454 INFO L242 Difference]: Finished difference. Result has 156 places, 171 transitions, 954 flow [2021-11-20 07:13:36,455 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=621, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=954, PETRI_PLACES=156, PETRI_TRANSITIONS=171} [2021-11-20 07:13:36,455 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 45 predicate places. [2021-11-20 07:13:36,456 INFO L470 AbstractCegarLoop]: Abstraction has has 156 places, 171 transitions, 954 flow [2021-11-20 07:13:36,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 93.36363636363636) internal successors, (1027), 11 states have internal predecessors, (1027), 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) [2021-11-20 07:13:36,456 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:36,456 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] [2021-11-20 07:13:36,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:13:36,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63e1322-1b9e-48d5-9694-2b6b868f4fb6/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-11-20 07:13:36,661 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:36,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:36,662 INFO L85 PathProgramCache]: Analyzing trace with hash -584767227, now seen corresponding path program 2 times [2021-11-20 07:13:36,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:36,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76542246] [2021-11-20 07:13:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:36,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:36,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:36,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76542246] [2021-11-20 07:13:36,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76542246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:36,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:36,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:36,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967697853] [2021-11-20 07:13:36,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:36,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:36,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:36,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:36,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:36,726 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:36,727 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 171 transitions, 954 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:36,727 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:36,727 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:36,728 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:44,537 INFO L129 PetriNetUnfolder]: 36954/61959 cut-off events. [2021-11-20 07:13:44,537 INFO L130 PetriNetUnfolder]: For 183796/188821 co-relation queries the response was YES. [2021-11-20 07:13:45,253 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192980 conditions, 61959 events. 36954/61959 cut-off events. For 183796/188821 co-relation queries the response was YES. Maximal size of possible extension queue 3160. Compared 589323 event pairs, 14655 based on Foata normal form. 4613/63292 useless extension candidates. Maximal degree in co-relation 142433. Up to 25194 conditions per place. [2021-11-20 07:13:45,579 INFO L132 encePairwiseOnDemand]: 118/124 looper letters, 224 selfloop transitions, 23 changer transitions 4/344 dead transitions. [2021-11-20 07:13:45,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 344 transitions, 2927 flow [2021-11-20 07:13:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:13:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-11-20 07:13:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 530 transitions. [2021-11-20 07:13:45,581 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8548387096774194 [2021-11-20 07:13:45,581 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 530 transitions. [2021-11-20 07:13:45,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 530 transitions. [2021-11-20 07:13:45,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:45,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 530 transitions. [2021-11-20 07:13:45,584 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 106.0) internal successors, (530), 5 states have internal predecessors, (530), 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) [2021-11-20 07:13:45,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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) [2021-11-20 07:13:45,587 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 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) [2021-11-20 07:13:45,587 INFO L186 Difference]: Start difference. First operand has 156 places, 171 transitions, 954 flow. Second operand 5 states and 530 transitions. [2021-11-20 07:13:45,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 344 transitions, 2927 flow [2021-11-20 07:13:46,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 344 transitions, 2911 flow, removed 8 selfloop flow, removed 0 redundant places. [2021-11-20 07:13:46,252 INFO L242 Difference]: Finished difference. Result has 163 places, 192 transitions, 1297 flow [2021-11-20 07:13:46,253 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=944, PETRI_DIFFERENCE_MINUEND_PLACES=156, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=149, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1297, PETRI_PLACES=163, PETRI_TRANSITIONS=192} [2021-11-20 07:13:46,253 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 52 predicate places. [2021-11-20 07:13:46,254 INFO L470 AbstractCegarLoop]: Abstraction has has 163 places, 192 transitions, 1297 flow [2021-11-20 07:13:46,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:46,254 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:46,254 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] [2021-11-20 07:13:46,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:13:46,255 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:46,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:46,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1402727025, now seen corresponding path program 3 times [2021-11-20 07:13:46,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:46,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795734105] [2021-11-20 07:13:46,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:46,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:46,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:46,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795734105] [2021-11-20 07:13:46,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795734105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:46,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:46,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:46,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184516538] [2021-11-20 07:13:46,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:46,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:46,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:46,310 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:46,310 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 192 transitions, 1297 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:46,310 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:46,311 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:46,311 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:13:54,989 INFO L129 PetriNetUnfolder]: 34646/62394 cut-off events. [2021-11-20 07:13:54,990 INFO L130 PetriNetUnfolder]: For 158440/160141 co-relation queries the response was YES. [2021-11-20 07:13:55,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 197837 conditions, 62394 events. 34646/62394 cut-off events. For 158440/160141 co-relation queries the response was YES. Maximal size of possible extension queue 3110. Compared 649967 event pairs, 11610 based on Foata normal form. 1033/62297 useless extension candidates. Maximal degree in co-relation 175462. Up to 24446 conditions per place. [2021-11-20 07:13:55,691 INFO L132 encePairwiseOnDemand]: 117/124 looper letters, 136 selfloop transitions, 18 changer transitions 3/271 dead transitions. [2021-11-20 07:13:55,691 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 271 transitions, 2059 flow [2021-11-20 07:13:55,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:13:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-11-20 07:13:55,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 619 transitions. [2021-11-20 07:13:55,695 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.831989247311828 [2021-11-20 07:13:55,695 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 619 transitions. [2021-11-20 07:13:55,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 619 transitions. [2021-11-20 07:13:55,696 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:13:55,696 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 619 transitions. [2021-11-20 07:13:55,698 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 103.16666666666667) internal successors, (619), 6 states have internal predecessors, (619), 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) [2021-11-20 07:13:55,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:55,700 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 124.0) internal successors, (868), 7 states have internal predecessors, (868), 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) [2021-11-20 07:13:55,701 INFO L186 Difference]: Start difference. First operand has 163 places, 192 transitions, 1297 flow. Second operand 6 states and 619 transitions. [2021-11-20 07:13:55,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 271 transitions, 2059 flow [2021-11-20 07:13:57,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 271 transitions, 2059 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-11-20 07:13:57,831 INFO L242 Difference]: Finished difference. Result has 170 places, 193 transitions, 1347 flow [2021-11-20 07:13:57,832 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=124, PETRI_DIFFERENCE_MINUEND_FLOW=1297, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1347, PETRI_PLACES=170, PETRI_TRANSITIONS=193} [2021-11-20 07:13:57,832 INFO L334 CegarLoopForPetriNet]: 111 programPoint places, 59 predicate places. [2021-11-20 07:13:57,833 INFO L470 AbstractCegarLoop]: Abstraction has has 170 places, 193 transitions, 1347 flow [2021-11-20 07:13:57,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:57,833 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 07:13:57,834 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] [2021-11-20 07:13:57,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 07:13:57,834 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2021-11-20 07:13:57,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:13:57,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1376975019, now seen corresponding path program 4 times [2021-11-20 07:13:57,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:13:57,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561501138] [2021-11-20 07:13:57,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:13:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:13:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:13:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:13:57,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:13:57,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561501138] [2021-11-20 07:13:57,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561501138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:13:57,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:13:57,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:13:57,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058923917] [2021-11-20 07:13:57,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:13:57,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:13:57,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:13:57,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:13:57,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:13:57,887 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 124 [2021-11-20 07:13:57,887 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 193 transitions, 1347 flow. Second operand has 5 states, 5 states have (on average 94.0) internal successors, (470), 5 states have internal predecessors, (470), 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) [2021-11-20 07:13:57,888 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 07:13:57,888 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 124 [2021-11-20 07:13:57,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 07:14:00,561 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:00,561 INFO L384 tUnfolder$Statistics]: this new event has 56 ancestors and is cut-off event [2021-11-20 07:14:00,561 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:00,561 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:00,561 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:01,016 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:01,016 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,017 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,017 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,017 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,020 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:01,021 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,021 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,021 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,021 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,021 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, 40#L41-3true, 25#L65true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:01,022 INFO L384 tUnfolder$Statistics]: this new event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,022 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,022 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,022 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:01,948 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 33#L73true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:01,949 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,949 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,949 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,949 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,949 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, 25#L65true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:01,949 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,949 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,950 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,950 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,953 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:01,953 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,953 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,953 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,953 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,953 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), 705#true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:01,953 INFO L384 tUnfolder$Statistics]: this new event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,954 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,954 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:01,954 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:02,433 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:02,433 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,433 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,434 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,434 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,434 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 25#L65true, 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:02,435 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,435 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,435 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,435 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,438 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([351] L51-4-->L52: Formula: (< |v_thread2Thread1of1ForFork3_~i~1#1_5| v_~N~0_4) InVars {thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} OutVars{thread2Thread1of1ForFork3_~i~1#1=|v_thread2Thread1of1ForFork3_~i~1#1_5|, ~N~0=v_~N~0_4} AuxVars[] AssignedVars[][211], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 32#L52true, 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 40#L41-3true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0))]) [2021-11-20 07:14:02,438 INFO L384 tUnfolder$Statistics]: this new event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,438 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,438 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,438 INFO L387 tUnfolder$Statistics]: existing Event has 59 ancestors and is cut-off event [2021-11-20 07:14:02,560 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1260#true, Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 82#thread3ENTRYtrue, Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:02,560 INFO L384 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2021-11-20 07:14:02,560 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-20 07:14:02,560 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-20 07:14:02,561 INFO L387 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2021-11-20 07:14:03,431 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 83#L62-2true, Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:03,431 INFO L384 tUnfolder$Statistics]: this new event has 60 ancestors and is cut-off event [2021-11-20 07:14:03,431 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-20 07:14:03,431 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-20 07:14:03,431 INFO L387 tUnfolder$Statistics]: existing Event has 60 ancestors and is cut-off event [2021-11-20 07:14:03,539 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 56#L62-4true, 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:03,539 INFO L384 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2021-11-20 07:14:03,539 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:03,539 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:03,539 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:03,540 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 111#L51-4true, Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1260#true, Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 82#thread3ENTRYtrue, Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:03,540 INFO L384 tUnfolder$Statistics]: this new event has 61 ancestors and is cut-off event [2021-11-20 07:14:03,540 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:03,540 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:03,540 INFO L387 tUnfolder$Statistics]: existing Event has 56 ancestors and is cut-off event [2021-11-20 07:14:04,034 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 11#L62-5true, Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:04,034 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-20 07:14:04,034 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,034 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,034 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,035 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 131#true, Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 52#L63true, 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 116#L76true, Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:04,035 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-20 07:14:04,035 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,035 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,035 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,035 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 56#L62-4true, 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 705#true, 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:04,035 INFO L384 tUnfolder$Statistics]: this new event has 62 ancestors and is cut-off event [2021-11-20 07:14:04,036 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,036 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,036 INFO L387 tUnfolder$Statistics]: existing Event has 57 ancestors and is cut-off event [2021-11-20 07:14:04,581 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), Black: 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, 11#L62-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:04,581 INFO L384 tUnfolder$Statistics]: this new event has 63 ancestors and is cut-off event [2021-11-20 07:14:04,581 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:04,582 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:04,582 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:04,582 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([340] L41-4-->L41-5: Formula: (not (< v_thread1Thread1of1ForFork1_~i~0_3 v_~N~0_1)) InVars {thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} OutVars{thread1Thread1of1ForFork1_~i~0=v_thread1Thread1of1ForFork1_~i~0_3, ~N~0=v_~N~0_1} AuxVars[] AssignedVars[][212], [Black: 166#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), 111#L51-4true, Black: 1275#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), Black: 1278#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), 20#L72-2true, 729#(= |thread2Thread1of1ForFork3_~i~1#1| 0), 1271#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 708#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 131#true, Black: 711#(and (= |thread4Thread1of1ForFork2_~i~3#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), 152#(= |thread2Thread1of1ForFork3_~i~1#1| 0), Black: 138#(and (= ~counter2~0 ~counter1~0) (= ~counter1~0 0)), Black: 133#(= ~counter1~0 0), Black: 721#(and (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 156#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0)), 8#L91-4true, Black: 158#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= ~N~0 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 732#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0)), Black: 730#(and (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 1249#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), Black: 731#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), 52#L63true, 1263#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1264#(and (<= (+ thread3Thread1of1ForFork0_~i~2 1) ~N~0) (= thread1Thread1of1ForFork1_~i~0 0) (= thread3Thread1of1ForFork0_~i~2 0)), Black: 1262#(= thread3Thread1of1ForFork0_~i~2 0), 1285#(= |thread4Thread1of1ForFork2_~i~3#1| 0), 705#true, 694#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (<= 0 thread1Thread1of1ForFork1_~i~0)), 12#L41-5true, Black: 690#(and (<= (+ thread1Thread1of1ForFork1_~i~0 1) ~N~0) (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 686#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 165#(= thread1Thread1of1ForFork1_~i~0 0), Black: 688#(and (< |thread2Thread1of1ForFork3_~i~1#1| ~N~0) (= thread1Thread1of1ForFork1_~i~0 0)), Black: 168#(and (<= 1 ~N~0) (= |thread2Thread1of1ForFork3_~i~1#1| 0))]) [2021-11-20 07:14:04,583 INFO L384 tUnfolder$Statistics]: this new event has 63 ancestors and is cut-off event [2021-11-20 07:14:04,583 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:04,583 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event [2021-11-20 07:14:04,583 INFO L387 tUnfolder$Statistics]: existing Event has 58 ancestors and is cut-off event