./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i --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_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/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_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/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_7f30ae81-f5f7-465f-8145-b26eddfd4280/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 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:52:22,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:52:22,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:52:22,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:52:22,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:52:22,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:52:22,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:52:22,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:52:22,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:52:22,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:52:22,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:52:22,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:52:22,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:52:22,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:52:22,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:52:22,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:52:22,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:52:22,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:52:22,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:52:22,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:52:22,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:52:22,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:52:22,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:52:22,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:52:22,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:52:22,485 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:52:22,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:52:22,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:52:22,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:52:22,491 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:52:22,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:52:22,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:52:22,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:52:22,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:52:22,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:52:22,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:52:22,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:52:22,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:52:22,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:52:22,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:52:22,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:52:22,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:52:22,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:52:22,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:52:22,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:52:22,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:52:22,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:52:22,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:52:22,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:52:22,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:52:22,563 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:52:22,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:52:22,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:52:22,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:52:22,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:52:22,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:52:22,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:52:22,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:52:22,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:52:22,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:52:22,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:52:22,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:52:22,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:52:22,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:52:22,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:52:22,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:52:22,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:52:22,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:52:22,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:52:22,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:52:22,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:52:22,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:52:22,572 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:52:22,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:52:22,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:52:22,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:52:22,574 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_7f30ae81-f5f7-465f-8145-b26eddfd4280/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81dfcecae183e47a2274a923e55daf761c46d6146ab2c58970ae115599afe231 [2021-11-20 06:52:22,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:52:22,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:52:22,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:52:22,917 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:52:22,918 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:52:22,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2021-11-20 06:52:23,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/data/43d554609/204ab3bd5d6249db8183636104a590c2/FLAG3eb13d9e2 [2021-11-20 06:52:23,821 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:52:23,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/sv-benchmarks/c/pthread-wmm/mix004.oepc.i [2021-11-20 06:52:23,861 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/data/43d554609/204ab3bd5d6249db8183636104a590c2/FLAG3eb13d9e2 [2021-11-20 06:52:24,011 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/data/43d554609/204ab3bd5d6249db8183636104a590c2 [2021-11-20 06:52:24,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:52:24,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:52:24,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:52:24,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:52:24,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:52:24,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:24,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ffc7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24, skipping insertion in model container [2021-11-20 06:52:24,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:24,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:52:24,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:52:24,366 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_7f30ae81-f5f7-465f-8145-b26eddfd4280/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2021-11-20 06:52:24,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:52:24,731 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:52:24,751 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_7f30ae81-f5f7-465f-8145-b26eddfd4280/sv-benchmarks/c/pthread-wmm/mix004.oepc.i[945,958] [2021-11-20 06:52:24,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:52:24,915 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:52:24,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24 WrapperNode [2021-11-20 06:52:24,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:52:24,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:52:24,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:52:24,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:52:24,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:24,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,032 INFO L137 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 195 [2021-11-20 06:52:25,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:52:25,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:52:25,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:52:25,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:52:25,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:52:25,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:52:25,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:52:25,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:52:25,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (1/1) ... [2021-11-20 06:52:25,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:52:25,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:52:25,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:52:25,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:52:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:52:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-20 06:52:25,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:52:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:52:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:52:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-11-20 06:52:25,221 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-11-20 06:52:25,221 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-11-20 06:52:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-11-20 06:52:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-11-20 06:52:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-11-20 06:52:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-11-20 06:52:25,222 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-11-20 06:52:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:52:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-20 06:52:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:52:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:52:25,226 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 06:52:25,382 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:52:25,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:52:26,229 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:52:26,716 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:52:26,716 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 06:52:26,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:26 BoogieIcfgContainer [2021-11-20 06:52:26,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:52:26,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:52:26,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:52:26,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:52:26,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:52:24" (1/3) ... [2021-11-20 06:52:26,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89ac8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:26, skipping insertion in model container [2021-11-20 06:52:26,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:52:24" (2/3) ... [2021-11-20 06:52:26,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89ac8cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:52:26, skipping insertion in model container [2021-11-20 06:52:26,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:26" (3/3) ... [2021-11-20 06:52:26,731 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004.oepc.i [2021-11-20 06:52:26,738 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 06:52:26,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:52:26,738 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-11-20 06:52:26,738 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 06:52:26,818 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,818 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,819 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,820 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,820 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,820 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,821 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,821 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,822 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,822 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,822 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,822 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,823 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,823 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,824 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,824 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,824 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,825 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,826 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,826 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,826 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,827 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,827 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,828 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,831 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,831 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,832 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,832 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,832 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,833 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,833 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,833 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,833 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,834 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,834 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,835 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,836 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,837 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,838 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,839 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,840 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,840 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,841 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,841 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,841 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,842 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,842 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,842 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,843 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,844 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,845 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,846 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,849 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,850 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,850 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,852 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,853 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,853 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,853 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,854 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,861 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,861 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,861 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,861 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,862 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,862 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,862 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,862 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,862 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,863 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,864 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,865 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,866 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,867 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,868 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,872 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,872 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,872 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,872 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,873 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,874 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,874 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,874 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,875 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,875 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,875 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,876 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,876 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,878 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,879 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,880 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,881 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,883 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,883 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,883 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,884 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,884 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,884 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,884 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,885 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,886 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,886 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,887 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,887 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,887 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,893 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,894 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,894 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,894 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,894 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,894 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,895 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,895 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,895 WARN L322 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,895 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,895 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,897 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,897 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,898 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,898 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,899 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,900 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,906 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,906 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,907 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,907 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,912 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,913 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,913 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,913 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,913 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,913 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,914 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,914 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,914 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,914 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,914 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,915 WARN L322 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,916 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,916 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,916 WARN L322 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,917 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,918 WARN L322 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,918 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,919 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,920 WARN L322 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,921 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,921 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,921 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3___VERIFIER_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,922 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,923 WARN L322 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#t~ite6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 06:52:26,924 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 06:52:27,024 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:52:27,033 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 06:52:27,034 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-20 06:52:27,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 152 places, 141 transitions, 302 flow [2021-11-20 06:52:27,121 INFO L129 PetriNetUnfolder]: 2/137 cut-off events. [2021-11-20 06:52:27,121 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:52:27,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 79 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 93. Up to 2 conditions per place. [2021-11-20 06:52:27,125 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 141 transitions, 302 flow [2021-11-20 06:52:27,130 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 137 transitions, 286 flow [2021-11-20 06:52:27,141 INFO L129 PetriNetUnfolder]: 0/54 cut-off events. [2021-11-20 06:52:27,141 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-20 06:52:27,141 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:27,142 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] [2021-11-20 06:52:27,142 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:27,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:27,148 INFO L85 PathProgramCache]: Analyzing trace with hash 765515669, now seen corresponding path program 1 times [2021-11-20 06:52:27,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:27,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410145041] [2021-11-20 06:52:27,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:27,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:27,541 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 06:52:27,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:27,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410145041] [2021-11-20 06:52:27,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410145041] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:27,543 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:27,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:52:27,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864576976] [2021-11-20 06:52:27,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:27,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:52:27,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:27,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:52:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:52:27,614 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 141 [2021-11-20 06:52:27,619 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 137 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 06:52:27,619 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:27,619 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 141 [2021-11-20 06:52:27,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:27,914 INFO L129 PetriNetUnfolder]: 162/551 cut-off events. [2021-11-20 06:52:27,914 INFO L130 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2021-11-20 06:52:27,921 INFO L84 FinitePrefix]: Finished finitePrefix Result has 857 conditions, 551 events. 162/551 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2886 event pairs, 34 based on Foata normal form. 53/575 useless extension candidates. Maximal degree in co-relation 797. Up to 191 conditions per place. [2021-11-20 06:52:27,929 INFO L132 encePairwiseOnDemand]: 136/141 looper letters, 18 selfloop transitions, 2 changer transitions 0/141 dead transitions. [2021-11-20 06:52:27,929 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 141 transitions, 343 flow [2021-11-20 06:52:27,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:52:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-11-20 06:52:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 400 transitions. [2021-11-20 06:52:27,949 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9456264775413712 [2021-11-20 06:52:27,950 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 400 transitions. [2021-11-20 06:52:27,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 400 transitions. [2021-11-20 06:52:27,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:27,956 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 400 transitions. [2021-11-20 06:52:27,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 133.33333333333334) internal successors, (400), 3 states have internal predecessors, (400), 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 06:52:27,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 06:52:27,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 141.0) internal successors, (564), 4 states have internal predecessors, (564), 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 06:52:27,973 INFO L186 Difference]: Start difference. First operand has 148 places, 137 transitions, 286 flow. Second operand 3 states and 400 transitions. [2021-11-20 06:52:27,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 141 transitions, 343 flow [2021-11-20 06:52:27,979 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 141 transitions, 336 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-11-20 06:52:27,984 INFO L242 Difference]: Finished difference. Result has 144 places, 133 transitions, 278 flow [2021-11-20 06:52:27,987 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=144, PETRI_TRANSITIONS=133} [2021-11-20 06:52:27,991 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2021-11-20 06:52:27,992 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 133 transitions, 278 flow [2021-11-20 06:52:27,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.0) internal successors, (378), 3 states have internal predecessors, (378), 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 06:52:27,993 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:27,993 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:27,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:52:27,993 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:27,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:27,994 INFO L85 PathProgramCache]: Analyzing trace with hash 513982915, now seen corresponding path program 1 times [2021-11-20 06:52:27,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:27,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242274943] [2021-11-20 06:52:27,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:27,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:28,391 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 06:52:28,391 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:28,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242274943] [2021-11-20 06:52:28,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242274943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:28,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:28,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:52:28,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614550938] [2021-11-20 06:52:28,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:28,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:52:28,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:28,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:52:28,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:52:28,402 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 141 [2021-11-20 06:52:28,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 133 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 06:52:28,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:28,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 141 [2021-11-20 06:52:28,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:29,834 INFO L129 PetriNetUnfolder]: 1262/3312 cut-off events. [2021-11-20 06:52:29,835 INFO L130 PetriNetUnfolder]: For 191/191 co-relation queries the response was YES. [2021-11-20 06:52:29,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5388 conditions, 3312 events. 1262/3312 cut-off events. For 191/191 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 27081 event pairs, 202 based on Foata normal form. 0/3236 useless extension candidates. Maximal degree in co-relation 5329. Up to 949 conditions per place. [2021-11-20 06:52:29,871 INFO L132 encePairwiseOnDemand]: 135/141 looper letters, 22 selfloop transitions, 2 changer transitions 56/180 dead transitions. [2021-11-20 06:52:29,872 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 180 transitions, 520 flow [2021-11-20 06:52:29,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:52:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:52:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1122 transitions. [2021-11-20 06:52:29,879 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8841607565011821 [2021-11-20 06:52:29,879 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1122 transitions. [2021-11-20 06:52:29,879 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1122 transitions. [2021-11-20 06:52:29,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:29,881 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1122 transitions. [2021-11-20 06:52:29,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 124.66666666666667) internal successors, (1122), 9 states have internal predecessors, (1122), 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 06:52:29,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 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 06:52:29,893 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 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 06:52:29,894 INFO L186 Difference]: Start difference. First operand has 144 places, 133 transitions, 278 flow. Second operand 9 states and 1122 transitions. [2021-11-20 06:52:29,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 180 transitions, 520 flow [2021-11-20 06:52:29,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 180 transitions, 502 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-11-20 06:52:29,901 INFO L242 Difference]: Finished difference. Result has 157 places, 119 transitions, 266 flow [2021-11-20 06:52:29,902 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=266, PETRI_PLACES=157, PETRI_TRANSITIONS=119} [2021-11-20 06:52:29,903 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 9 predicate places. [2021-11-20 06:52:29,903 INFO L470 AbstractCegarLoop]: Abstraction has has 157 places, 119 transitions, 266 flow [2021-11-20 06:52:29,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 06:52:29,904 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:29,905 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:29,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:52:29,905 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:29,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:29,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1524511064, now seen corresponding path program 1 times [2021-11-20 06:52:29,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:29,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096346543] [2021-11-20 06:52:29,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:29,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:30,148 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 06:52:30,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:30,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096346543] [2021-11-20 06:52:30,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096346543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:30,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:30,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:52:30,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785471420] [2021-11-20 06:52:30,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:30,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:52:30,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:30,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:52:30,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:52:30,160 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 141 [2021-11-20 06:52:30,162 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 119 transitions, 266 flow. Second operand has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 06:52:30,162 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:30,162 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 141 [2021-11-20 06:52:30,163 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:31,379 INFO L129 PetriNetUnfolder]: 1183/2297 cut-off events. [2021-11-20 06:52:31,379 INFO L130 PetriNetUnfolder]: For 497/497 co-relation queries the response was YES. [2021-11-20 06:52:31,394 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4582 conditions, 2297 events. 1183/2297 cut-off events. For 497/497 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 14754 event pairs, 335 based on Foata normal form. 54/2281 useless extension candidates. Maximal degree in co-relation 4516. Up to 879 conditions per place. [2021-11-20 06:52:31,411 INFO L132 encePairwiseOnDemand]: 135/141 looper letters, 24 selfloop transitions, 2 changer transitions 43/169 dead transitions. [2021-11-20 06:52:31,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 169 transitions, 524 flow [2021-11-20 06:52:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:52:31,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-11-20 06:52:31,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1124 transitions. [2021-11-20 06:52:31,417 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8857368006304176 [2021-11-20 06:52:31,417 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1124 transitions. [2021-11-20 06:52:31,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1124 transitions. [2021-11-20 06:52:31,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:31,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1124 transitions. [2021-11-20 06:52:31,423 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 124.88888888888889) internal successors, (1124), 9 states have internal predecessors, (1124), 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 06:52:31,428 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 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 06:52:31,429 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 141.0) internal successors, (1410), 10 states have internal predecessors, (1410), 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 06:52:31,430 INFO L186 Difference]: Start difference. First operand has 157 places, 119 transitions, 266 flow. Second operand 9 states and 1124 transitions. [2021-11-20 06:52:31,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 169 transitions, 524 flow [2021-11-20 06:52:31,452 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 169 transitions, 492 flow, removed 14 selfloop flow, removed 8 redundant places. [2021-11-20 06:52:31,456 INFO L242 Difference]: Finished difference. Result has 144 places, 119 transitions, 270 flow [2021-11-20 06:52:31,457 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=270, PETRI_PLACES=144, PETRI_TRANSITIONS=119} [2021-11-20 06:52:31,458 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2021-11-20 06:52:31,458 INFO L470 AbstractCegarLoop]: Abstraction has has 144 places, 119 transitions, 270 flow [2021-11-20 06:52:31,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.0) internal successors, (714), 6 states have internal predecessors, (714), 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 06:52:31,459 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:31,460 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:31,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:52:31,460 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:31,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1297802821, now seen corresponding path program 1 times [2021-11-20 06:52:31,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:31,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824624798] [2021-11-20 06:52:31,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:31,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:31,695 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 06:52:31,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:31,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824624798] [2021-11-20 06:52:31,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824624798] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:31,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:31,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:52:31,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464578797] [2021-11-20 06:52:31,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:31,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:52:31,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:31,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:52:31,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:52:31,700 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2021-11-20 06:52:31,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 119 transitions, 270 flow. Second operand has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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 06:52:31,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:31,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2021-11-20 06:52:31,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:34,087 INFO L129 PetriNetUnfolder]: 4140/7475 cut-off events. [2021-11-20 06:52:34,087 INFO L130 PetriNetUnfolder]: For 433/433 co-relation queries the response was YES. [2021-11-20 06:52:34,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14274 conditions, 7475 events. 4140/7475 cut-off events. For 433/433 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 57492 event pairs, 187 based on Foata normal form. 0/7341 useless extension candidates. Maximal degree in co-relation 14207. Up to 2233 conditions per place. [2021-11-20 06:52:34,180 INFO L132 encePairwiseOnDemand]: 130/141 looper letters, 38 selfloop transitions, 7 changer transitions 60/201 dead transitions. [2021-11-20 06:52:34,181 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 201 transitions, 650 flow [2021-11-20 06:52:34,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:52:34,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:52:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1247 transitions. [2021-11-20 06:52:34,186 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8843971631205674 [2021-11-20 06:52:34,187 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1247 transitions. [2021-11-20 06:52:34,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1247 transitions. [2021-11-20 06:52:34,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:34,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1247 transitions. [2021-11-20 06:52:34,193 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 124.7) internal successors, (1247), 10 states have internal predecessors, (1247), 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 06:52:34,199 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 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 06:52:34,200 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 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 06:52:34,200 INFO L186 Difference]: Start difference. First operand has 144 places, 119 transitions, 270 flow. Second operand 10 states and 1247 transitions. [2021-11-20 06:52:34,200 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 201 transitions, 650 flow [2021-11-20 06:52:34,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 201 transitions, 634 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-11-20 06:52:34,254 INFO L242 Difference]: Finished difference. Result has 145 places, 122 transitions, 320 flow [2021-11-20 06:52:34,255 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=320, PETRI_PLACES=145, PETRI_TRANSITIONS=122} [2021-11-20 06:52:34,257 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, -3 predicate places. [2021-11-20 06:52:34,257 INFO L470 AbstractCegarLoop]: Abstraction has has 145 places, 122 transitions, 320 flow [2021-11-20 06:52:34,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 116.0) internal successors, (696), 6 states have internal predecessors, (696), 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 06:52:34,258 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:34,258 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:34,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:52:34,259 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:34,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:34,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1526092245, now seen corresponding path program 1 times [2021-11-20 06:52:34,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:34,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775085343] [2021-11-20 06:52:34,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:34,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:34,556 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 06:52:34,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:34,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775085343] [2021-11-20 06:52:34,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775085343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:34,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:34,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:52:34,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106505878] [2021-11-20 06:52:34,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:34,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:52:34,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:34,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:52:34,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:52:34,563 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2021-11-20 06:52:34,564 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 122 transitions, 320 flow. Second operand has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 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 06:52:34,565 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:34,565 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2021-11-20 06:52:34,565 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:35,806 INFO L129 PetriNetUnfolder]: 1872/3806 cut-off events. [2021-11-20 06:52:35,807 INFO L130 PetriNetUnfolder]: For 3750/3766 co-relation queries the response was YES. [2021-11-20 06:52:35,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10210 conditions, 3806 events. 1872/3806 cut-off events. For 3750/3766 co-relation queries the response was YES. Maximal size of possible extension queue 263. Compared 27619 event pairs, 144 based on Foata normal form. 108/3886 useless extension candidates. Maximal degree in co-relation 10142. Up to 1002 conditions per place. [2021-11-20 06:52:35,861 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 46 selfloop transitions, 11 changer transitions 47/200 dead transitions. [2021-11-20 06:52:35,861 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 200 transitions, 857 flow [2021-11-20 06:52:35,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:52:35,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-11-20 06:52:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1246 transitions. [2021-11-20 06:52:35,868 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8836879432624114 [2021-11-20 06:52:35,868 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1246 transitions. [2021-11-20 06:52:35,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1246 transitions. [2021-11-20 06:52:35,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:35,870 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1246 transitions. [2021-11-20 06:52:35,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 124.6) internal successors, (1246), 10 states have internal predecessors, (1246), 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 06:52:35,880 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 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 06:52:35,881 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 141.0) internal successors, (1551), 11 states have internal predecessors, (1551), 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 06:52:35,882 INFO L186 Difference]: Start difference. First operand has 145 places, 122 transitions, 320 flow. Second operand 10 states and 1246 transitions. [2021-11-20 06:52:35,882 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 200 transitions, 857 flow [2021-11-20 06:52:35,909 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 200 transitions, 832 flow, removed 7 selfloop flow, removed 5 redundant places. [2021-11-20 06:52:35,914 INFO L242 Difference]: Finished difference. Result has 149 places, 126 transitions, 408 flow [2021-11-20 06:52:35,915 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=134, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=408, PETRI_PLACES=149, PETRI_TRANSITIONS=126} [2021-11-20 06:52:35,916 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 1 predicate places. [2021-11-20 06:52:35,916 INFO L470 AbstractCegarLoop]: Abstraction has has 149 places, 126 transitions, 408 flow [2021-11-20 06:52:35,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 116.0) internal successors, (812), 7 states have internal predecessors, (812), 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 06:52:35,917 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:35,917 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:35,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:52:35,918 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash -973685617, now seen corresponding path program 1 times [2021-11-20 06:52:35,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:35,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601734523] [2021-11-20 06:52:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:35,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:36,223 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 06:52:36,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:36,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601734523] [2021-11-20 06:52:36,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601734523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:36,225 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:36,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:52:36,226 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679509360] [2021-11-20 06:52:36,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:36,227 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:52:36,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:36,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:52:36,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:52:36,230 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 141 [2021-11-20 06:52:36,234 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 126 transitions, 408 flow. Second operand has 7 states, 7 states have (on average 109.57142857142857) internal successors, (767), 7 states have internal predecessors, (767), 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 06:52:36,234 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:36,235 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 141 [2021-11-20 06:52:36,235 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:38,116 INFO L129 PetriNetUnfolder]: 2469/6090 cut-off events. [2021-11-20 06:52:38,117 INFO L130 PetriNetUnfolder]: For 9855/10828 co-relation queries the response was YES. [2021-11-20 06:52:38,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15668 conditions, 6090 events. 2469/6090 cut-off events. For 9855/10828 co-relation queries the response was YES. Maximal size of possible extension queue 260. Compared 52599 event pairs, 457 based on Foata normal form. 164/6102 useless extension candidates. Maximal degree in co-relation 15590. Up to 1707 conditions per place. [2021-11-20 06:52:38,240 INFO L132 encePairwiseOnDemand]: 127/141 looper letters, 84 selfloop transitions, 24 changer transitions 0/204 dead transitions. [2021-11-20 06:52:38,240 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 204 transitions, 786 flow [2021-11-20 06:52:38,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:52:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 06:52:38,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1276 transitions. [2021-11-20 06:52:38,248 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8226950354609929 [2021-11-20 06:52:38,248 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1276 transitions. [2021-11-20 06:52:38,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1276 transitions. [2021-11-20 06:52:38,250 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:38,250 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1276 transitions. [2021-11-20 06:52:38,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.0) internal successors, (1276), 11 states have internal predecessors, (1276), 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 06:52:38,261 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:38,262 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:38,263 INFO L186 Difference]: Start difference. First operand has 149 places, 126 transitions, 408 flow. Second operand 11 states and 1276 transitions. [2021-11-20 06:52:38,263 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 204 transitions, 786 flow [2021-11-20 06:52:38,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 204 transitions, 717 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-11-20 06:52:38,381 INFO L242 Difference]: Finished difference. Result has 154 places, 145 transitions, 511 flow [2021-11-20 06:52:38,382 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=511, PETRI_PLACES=154, PETRI_TRANSITIONS=145} [2021-11-20 06:52:38,383 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 6 predicate places. [2021-11-20 06:52:38,383 INFO L470 AbstractCegarLoop]: Abstraction has has 154 places, 145 transitions, 511 flow [2021-11-20 06:52:38,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 109.57142857142857) internal successors, (767), 7 states have internal predecessors, (767), 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 06:52:38,384 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:38,385 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:38,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 06:52:38,385 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:38,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:38,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1964083595, now seen corresponding path program 2 times [2021-11-20 06:52:38,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:38,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140209218] [2021-11-20 06:52:38,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:38,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:38,657 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 06:52:38,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:38,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140209218] [2021-11-20 06:52:38,658 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140209218] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:38,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:38,659 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:52:38,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404215484] [2021-11-20 06:52:38,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:38,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:52:38,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:38,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:52:38,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:52:38,669 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2021-11-20 06:52:38,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 145 transitions, 511 flow. Second operand has 8 states, 8 states have (on average 116.125) internal successors, (929), 8 states have internal predecessors, (929), 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 06:52:38,672 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:38,672 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2021-11-20 06:52:38,672 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:39,282 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][122], [Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 8#L880-3true, Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 185#(= ~__unbuffered_p2_EAX~0 0), 56#L790true, 66#L820true, 108#L849true, Black: 161#(= ~__unbuffered_p3_EAX~0 0), 297#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 258#(= ~z~0 1)]) [2021-11-20 06:52:39,283 INFO L384 tUnfolder$Statistics]: this new event has 88 ancestors and is cut-off event [2021-11-20 06:52:39,283 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 06:52:39,284 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 06:52:39,284 INFO L387 tUnfolder$Statistics]: existing Event has 88 ancestors and is cut-off event [2021-11-20 06:52:39,371 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][133], [299#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 185#(= ~__unbuffered_p2_EAX~0 0), 56#L790true, 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 126#L823true, 258#(= ~z~0 1), Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 8#L880-3true, Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 108#L849true, 234#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 161#(= ~__unbuffered_p3_EAX~0 0), Black: 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0))]) [2021-11-20 06:52:39,372 INFO L384 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2021-11-20 06:52:39,372 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 06:52:39,373 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 06:52:39,373 INFO L387 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2021-11-20 06:52:39,570 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][133], [Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 299#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 185#(= ~__unbuffered_p2_EAX~0 0), 56#L790true, 108#L849true, Black: 161#(= ~__unbuffered_p3_EAX~0 0), 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 35#L883true, Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 126#L823true, 258#(= ~z~0 1)]) [2021-11-20 06:52:39,571 INFO L384 tUnfolder$Statistics]: this new event has 92 ancestors and is cut-off event [2021-11-20 06:52:39,571 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 06:52:39,571 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 06:52:39,572 INFO L387 tUnfolder$Statistics]: existing Event has 92 ancestors and is cut-off event [2021-11-20 06:52:39,816 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][144], [Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 72#L884-1true, Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 185#(= ~__unbuffered_p2_EAX~0 0), 56#L790true, 108#L849true, Black: 161#(= ~__unbuffered_p3_EAX~0 0), 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, 301#(and (<= ~__unbuffered_cnt~0 2) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 126#L823true, 258#(= ~z~0 1)]) [2021-11-20 06:52:39,817 INFO L384 tUnfolder$Statistics]: this new event has 94 ancestors and is cut-off event [2021-11-20 06:52:39,817 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 06:52:39,817 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 06:52:39,818 INFO L387 tUnfolder$Statistics]: existing Event has 94 ancestors and is cut-off event [2021-11-20 06:52:39,887 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][144], [Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 73#L2true, Black: 185#(= ~__unbuffered_p2_EAX~0 0), 56#L790true, 108#L849true, Black: 161#(= ~__unbuffered_p3_EAX~0 0), 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 301#(and (<= ~__unbuffered_cnt~0 2) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 126#L823true, 258#(= ~z~0 1)]) [2021-11-20 06:52:39,887 INFO L384 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2021-11-20 06:52:39,888 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 06:52:39,888 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 06:52:39,888 INFO L387 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2021-11-20 06:52:39,970 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([1141] L833-->L849: Formula: (let ((.cse31 (= (mod v_~a$w_buff1_used~0_356 256) 0)) (.cse8 (= (mod v_~a$r_buff1_thd4~0_179 256) 0)) (.cse19 (= (mod v_~a$r_buff0_thd4~0_234 256) 0))) (let ((.cse13 (not .cse19)) (.cse1 (not .cse8)) (.cse20 (and .cse8 .cse19)) (.cse30 (= (mod v_~a$w_buff0_used~0_490 256) 0)) (.cse23 (and .cse19 .cse31)) (.cse10 (= (mod v_~weak$$choice2~0_86 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_489 256) 0)) (.cse7 (= (mod v_~a$w_buff1_used~0_355 256) 0))) (let ((.cse6 (not .cse7)) (.cse21 (or .cse4 .cse19)) (.cse5 (not .cse4)) (.cse11 (not .cse10)) (.cse17 (or .cse20 .cse30 .cse23)) (.cse12 (or .cse13 .cse1)) (.cse16 (or .cse13 (not .cse31))) (.cse15 (or .cse30 .cse19)) (.cse14 (not .cse30))) (and (let ((.cse9 (= |v_P3_#t~ite40_69| |v_P3Thread1of1ForFork0_#t~ite40_1|))) (or (and (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_178) (let ((.cse3 (= (mod v_~a$r_buff0_thd4~0_233 256) 0))) (or (let ((.cse0 (not .cse3))) (and (or .cse0 .cse1) (let ((.cse2 (= |v_P3_#t~ite40_69| 0))) (or (and .cse2 (or .cse3 .cse4)) (and .cse2 .cse0 .cse5))) .cse5 (or .cse0 .cse6) (= |v_P3_#t~ite40_69| |v_P3_#t~ite41_61|))) (and (or (and .cse3 .cse7) (and .cse3 .cse8) .cse4) .cse9 (= |v_P3_#t~ite41_61| v_~a$r_buff1_thd4~0_179)))) .cse10) (and .cse9 (= |v_P3_#t~ite41_61| |v_P3Thread1of1ForFork0_#t~ite41_1|) .cse11 (= v_~a$r_buff1_thd4~0_178 v_~a$r_buff1_thd4~0_179)))) (or (and .cse12 (= |v_P3_#t~ite23_57| v_~__unbuffered_p3_EBX~0_16) (or (and .cse13 (= |v_P3_#t~ite23_57| v_~a$w_buff0~0_112) .cse14) (and .cse15 (= |v_P3_#t~ite23_57| v_~a$w_buff1~0_121))) .cse16 .cse14) (and (= v_~a~0_186 v_~__unbuffered_p3_EBX~0_16) .cse17 (= |v_P3_#t~ite23_57| |v_P3Thread1of1ForFork0_#t~ite23_1|))) (= v_~a$flush_delayed~0_44 0) (let ((.cse18 (= |v_P3_#t~ite37_67| |v_P3Thread1of1ForFork0_#t~ite37_1|))) (or (and (or (and .cse18 (or (and .cse19 .cse7) .cse20 .cse4) (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_234)) (and (or (and .cse21 (= |v_P3_#t~ite37_67| v_~a$r_buff0_thd4~0_234)) (and .cse13 .cse5 (= |v_P3_#t~ite37_67| 0))) .cse12 .cse5 (or .cse13 .cse6) (= |v_P3_#t~ite37_67| |v_P3_#t~ite38_61|))) .cse10 (= |v_P3_#t~ite38_61| v_~a$r_buff0_thd4~0_233)) (and (= |v_P3_#t~ite38_61| |v_P3Thread1of1ForFork0_#t~ite38_1|) .cse18 .cse11 (= v_~a$r_buff0_thd4~0_234 v_~a$r_buff0_thd4~0_233)))) (let ((.cse24 (= |v_P3_#t~ite34_47| |v_P3Thread1of1ForFork0_#t~ite34_1|))) (or (and .cse10 (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_355) (or (and .cse12 (let ((.cse22 (= |v_P3_#t~ite34_47| 0))) (or (and .cse22 .cse13 .cse5) (and .cse22 .cse21))) .cse5 .cse16 (= |v_P3_#t~ite34_47| |v_P3_#t~ite35_41|)) (and (= |v_P3_#t~ite35_41| v_~a$w_buff1_used~0_356) (or .cse20 .cse4 .cse23) .cse24))) (and (= v_~a$w_buff1_used~0_356 v_~a$w_buff1_used~0_355) (= |v_P3_#t~ite35_41| |v_P3Thread1of1ForFork0_#t~ite35_1|) .cse11 .cse24))) (let ((.cse25 (= |v_P3Thread1of1ForFork0_#t~ite31_1| |v_P3_#t~ite31_49|))) (or (and .cse10 (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_489) (or (and .cse12 (or (and (= |v_P3_#t~ite31_49| v_~a$w_buff0_used~0_490) .cse15) (and .cse13 (= |v_P3_#t~ite31_49| 0) .cse14)) .cse16 (= |v_P3_#t~ite32_45| |v_P3_#t~ite31_49|) .cse14) (and (= |v_P3_#t~ite32_45| v_~a$w_buff0_used~0_490) .cse17 .cse25))) (and (= |v_P3_#t~ite32_45| |v_P3Thread1of1ForFork0_#t~ite32_1|) .cse11 (= v_~a$w_buff0_used~0_489 v_~a$w_buff0_used~0_490) .cse25))) (= v_~a~0_186 v_~a$mem_tmp~0_26) (let ((.cse26 (= |v_P3_#t~ite25_55| |v_P3Thread1of1ForFork0_#t~ite25_1|))) (or (and .cse10 (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_111) (or (and (= |v_P3_#t~ite26_47| v_~a$w_buff0~0_112) .cse26 .cse17) (and (let ((.cse27 (= |v_P3_#t~ite25_55| v_~a$w_buff0~0_112))) (or (and .cse15 .cse27) (and .cse13 .cse27 .cse14))) .cse12 (= |v_P3_#t~ite25_55| |v_P3_#t~ite26_47|) .cse16 .cse14))) (and (= v_~a$w_buff0~0_112 v_~a$w_buff0~0_111) .cse26 .cse11 (= |v_P3_#t~ite26_47| |v_P3Thread1of1ForFork0_#t~ite26_1|)))) (or (and (= v_~a~0_184 v_~__unbuffered_p3_EBX~0_16) .cse10) (and .cse11 (= v_~a~0_184 v_~a$mem_tmp~0_26))) (let ((.cse28 (= |v_P3_#t~ite28_47| |v_P3Thread1of1ForFork0_#t~ite28_1|))) (or (and (= |v_P3_#t~ite29_41| |v_P3Thread1of1ForFork0_#t~ite29_1|) (= v_~a$w_buff1~0_121 v_~a$w_buff1~0_120) .cse11 .cse28) (and (or (and (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_121) .cse17 .cse28) (and .cse12 (= |v_P3_#t~ite28_47| |v_P3_#t~ite29_41|) .cse16 (let ((.cse29 (= |v_P3_#t~ite28_47| v_~a$w_buff1~0_121))) (or (and .cse29 .cse15) (and .cse29 .cse13 .cse14))) .cse14)) (= |v_P3_#t~ite29_41| v_~a$w_buff1~0_120) .cse10))) (= |v_P3Thread1of1ForFork0_#t~nondet21_1| v_~weak$$choice0~0_19) (= |v_P3Thread1of1ForFork0_#t~nondet22_1| v_~weak$$choice2~0_86))))) InVars {P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_179, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_1|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_1|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_490, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_234, ~a~0=v_~a~0_186, ~a$w_buff1~0=v_~a$w_buff1~0_121, ~a$w_buff0~0=v_~a$w_buff0~0_112, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_1|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_1|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_1|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_356, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_1|, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_1|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_1|} OutVars{P3Thread1of1ForFork0_#t~ite30=|v_P3Thread1of1ForFork0_#t~ite30_1|, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_178, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_233, ~a~0=v_~a~0_184, ~a$mem_tmp~0=v_~a$mem_tmp~0_26, ~a$w_buff1~0=v_~a$w_buff1~0_120, P3Thread1of1ForFork0_#t~ite39=|v_P3Thread1of1ForFork0_#t~ite39_1|, P3Thread1of1ForFork0_#t~ite38=|v_P3Thread1of1ForFork0_#t~ite38_2|, P3Thread1of1ForFork0_#t~ite37=|v_P3Thread1of1ForFork0_#t~ite37_2|, P3Thread1of1ForFork0_#t~ite36=|v_P3Thread1of1ForFork0_#t~ite36_1|, P3Thread1of1ForFork0_#t~ite35=|v_P3Thread1of1ForFork0_#t~ite35_2|, P3Thread1of1ForFork0_#t~ite34=|v_P3Thread1of1ForFork0_#t~ite34_2|, P3Thread1of1ForFork0_#t~ite33=|v_P3Thread1of1ForFork0_#t~ite33_1|, P3Thread1of1ForFork0_#t~ite32=|v_P3Thread1of1ForFork0_#t~ite32_2|, P3Thread1of1ForFork0_#t~ite31=|v_P3Thread1of1ForFork0_#t~ite31_2|, P3Thread1of1ForFork0_#t~ite42=|v_P3Thread1of1ForFork0_#t~ite42_1|, P3Thread1of1ForFork0_#t~ite41=|v_P3Thread1of1ForFork0_#t~ite41_2|, P3Thread1of1ForFork0_#t~ite43=|v_P3Thread1of1ForFork0_#t~ite43_1|, P3Thread1of1ForFork0_#t~ite40=|v_P3Thread1of1ForFork0_#t~ite40_2|, P3Thread1of1ForFork0_#t~nondet22=|v_P3Thread1of1ForFork0_#t~nondet22_2|, P3Thread1of1ForFork0_#t~nondet21=|v_P3Thread1of1ForFork0_#t~nondet21_2|, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_489, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_16, ~weak$$choice0~0=v_~weak$$choice0~0_19, ~a$flush_delayed~0=v_~a$flush_delayed~0_44, ~a$w_buff0~0=v_~a$w_buff0~0_111, P3Thread1of1ForFork0_#t~ite29=|v_P3Thread1of1ForFork0_#t~ite29_2|, P3Thread1of1ForFork0_#t~ite28=|v_P3Thread1of1ForFork0_#t~ite28_2|, P3Thread1of1ForFork0_#t~ite27=|v_P3Thread1of1ForFork0_#t~ite27_1|, P3Thread1of1ForFork0_#t~ite26=|v_P3Thread1of1ForFork0_#t~ite26_2|, P3Thread1of1ForFork0_#t~ite25=|v_P3Thread1of1ForFork0_#t~ite25_2|, P3Thread1of1ForFork0_#t~ite24=|v_P3Thread1of1ForFork0_#t~ite24_1|, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_355, P3Thread1of1ForFork0_#t~ite23=|v_P3Thread1of1ForFork0_#t~ite23_2|, ~weak$$choice2~0=v_~weak$$choice2~0_86} AuxVars[|v_P3_#t~ite29_41|, |v_P3_#t~ite34_47|, |v_P3_#t~ite41_61|, |v_P3_#t~ite25_55|, |v_P3_#t~ite32_45|, |v_P3_#t~ite28_47|, |v_P3_#t~ite26_47|, |v_P3_#t~ite31_49|, |v_P3_#t~ite38_61|, |v_P3_#t~ite23_57|, |v_P3_#t~ite37_67|, |v_P3_#t~ite35_41|, |v_P3_#t~ite40_69|] AssignedVars[P3Thread1of1ForFork0_#t~ite30, ~a$r_buff1_thd4~0, ~a$r_buff0_thd4~0, ~a~0, ~a$mem_tmp~0, ~a$w_buff1~0, P3Thread1of1ForFork0_#t~ite39, P3Thread1of1ForFork0_#t~ite38, P3Thread1of1ForFork0_#t~ite37, P3Thread1of1ForFork0_#t~ite36, P3Thread1of1ForFork0_#t~ite35, P3Thread1of1ForFork0_#t~ite34, P3Thread1of1ForFork0_#t~ite33, P3Thread1of1ForFork0_#t~ite32, P3Thread1of1ForFork0_#t~ite31, P3Thread1of1ForFork0_#t~ite42, P3Thread1of1ForFork0_#t~ite41, P3Thread1of1ForFork0_#t~ite43, P3Thread1of1ForFork0_#t~ite40, P3Thread1of1ForFork0_#t~nondet22, P3Thread1of1ForFork0_#t~nondet21, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~weak$$choice0~0, ~a$flush_delayed~0, ~a$w_buff0~0, P3Thread1of1ForFork0_#t~ite29, P3Thread1of1ForFork0_#t~ite28, P3Thread1of1ForFork0_#t~ite27, P3Thread1of1ForFork0_#t~ite26, P3Thread1of1ForFork0_#t~ite25, P3Thread1of1ForFork0_#t~ite24, ~a$w_buff1_used~0, P3Thread1of1ForFork0_#t~ite23, ~weak$$choice2~0][151], [Black: 214#(and (= ~__unbuffered_cnt~0 0) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 218#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 216#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 185#(= ~__unbuffered_p2_EAX~0 0), 63#L3true, 56#L790true, 108#L849true, Black: 161#(= ~__unbuffered_p3_EAX~0 0), 101#L780true, P1Thread1of1ForFork1InUse, Black: 268#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0)), P0Thread1of1ForFork3InUse, 303#(and (<= ~__unbuffered_cnt~0 2) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), Black: 274#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), P2Thread1of1ForFork2InUse, Black: 276#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (or (<= 1 |ULTIMATE.start___VERIFIER_assert_~expression#1|) (<= (+ |ULTIMATE.start___VERIFIER_assert_~expression#1| 255) 0)) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 266#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), P3Thread1of1ForFork0InUse, Black: 264#(and (= ~z~0 1) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)))), Black: 272#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), Black: 240#(and (<= ~__unbuffered_cnt~0 1) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), Black: 270#(and (= ~z~0 1) (<= 1 ~main$tmp_guard1~0) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= ~__unbuffered_p1_EAX~0 0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0))) (or (<= (+ |ULTIMATE.start___VERIFIER_assert_#in~expression#1| 255) 0) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~expression#1|))), 126#L823true, 258#(= ~z~0 1)]) [2021-11-20 06:52:39,971 INFO L384 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2021-11-20 06:52:39,971 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 06:52:39,971 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 06:52:39,971 INFO L387 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2021-11-20 06:52:40,203 INFO L129 PetriNetUnfolder]: 2204/5087 cut-off events. [2021-11-20 06:52:40,204 INFO L130 PetriNetUnfolder]: For 7183/7583 co-relation queries the response was YES. [2021-11-20 06:52:40,260 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14310 conditions, 5087 events. 2204/5087 cut-off events. For 7183/7583 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 41303 event pairs, 293 based on Foata normal form. 159/5061 useless extension candidates. Maximal degree in co-relation 14233. Up to 970 conditions per place. [2021-11-20 06:52:40,290 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 77 selfloop transitions, 27 changer transitions 31/238 dead transitions. [2021-11-20 06:52:40,291 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 238 transitions, 1264 flow [2021-11-20 06:52:40,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:52:40,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 06:52:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1371 transitions. [2021-11-20 06:52:40,298 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8839458413926499 [2021-11-20 06:52:40,298 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1371 transitions. [2021-11-20 06:52:40,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1371 transitions. [2021-11-20 06:52:40,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:40,300 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1371 transitions. [2021-11-20 06:52:40,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 124.63636363636364) internal successors, (1371), 11 states have internal predecessors, (1371), 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 06:52:40,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:40,313 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:40,313 INFO L186 Difference]: Start difference. First operand has 154 places, 145 transitions, 511 flow. Second operand 11 states and 1371 transitions. [2021-11-20 06:52:40,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 238 transitions, 1264 flow [2021-11-20 06:52:40,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 238 transitions, 1253 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-11-20 06:52:40,360 INFO L242 Difference]: Finished difference. Result has 165 places, 155 transitions, 713 flow [2021-11-20 06:52:40,361 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=713, PETRI_PLACES=165, PETRI_TRANSITIONS=155} [2021-11-20 06:52:40,362 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 17 predicate places. [2021-11-20 06:52:40,363 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 155 transitions, 713 flow [2021-11-20 06:52:40,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 116.125) internal successors, (929), 8 states have internal predecessors, (929), 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 06:52:40,364 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:40,364 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:40,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 06:52:40,364 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:40,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:40,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1646089348, now seen corresponding path program 1 times [2021-11-20 06:52:40,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:40,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491049265] [2021-11-20 06:52:40,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:40,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:40,773 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 06:52:40,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:40,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491049265] [2021-11-20 06:52:40,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491049265] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:40,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:40,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-20 06:52:40,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915361657] [2021-11-20 06:52:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:40,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-20 06:52:40,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:40,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-20 06:52:40,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-20 06:52:40,778 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 141 [2021-11-20 06:52:40,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 155 transitions, 713 flow. Second operand has 8 states, 8 states have (on average 107.75) internal successors, (862), 8 states have internal predecessors, (862), 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 06:52:40,780 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:40,780 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 141 [2021-11-20 06:52:40,781 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:42,427 INFO L129 PetriNetUnfolder]: 1840/5905 cut-off events. [2021-11-20 06:52:42,427 INFO L130 PetriNetUnfolder]: For 11852/12201 co-relation queries the response was YES. [2021-11-20 06:52:42,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17574 conditions, 5905 events. 1840/5905 cut-off events. For 11852/12201 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 59598 event pairs, 284 based on Foata normal form. 14/5800 useless extension candidates. Maximal degree in co-relation 17487. Up to 1288 conditions per place. [2021-11-20 06:52:42,543 INFO L132 encePairwiseOnDemand]: 123/141 looper letters, 68 selfloop transitions, 27 changer transitions 35/245 dead transitions. [2021-11-20 06:52:42,543 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 245 transitions, 1389 flow [2021-11-20 06:52:42,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:52:42,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-20 06:52:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1360 transitions. [2021-11-20 06:52:42,550 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8037825059101655 [2021-11-20 06:52:42,551 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1360 transitions. [2021-11-20 06:52:42,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1360 transitions. [2021-11-20 06:52:42,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:42,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1360 transitions. [2021-11-20 06:52:42,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 113.33333333333333) internal successors, (1360), 12 states have internal predecessors, (1360), 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 06:52:42,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 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 06:52:42,564 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 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 06:52:42,565 INFO L186 Difference]: Start difference. First operand has 165 places, 155 transitions, 713 flow. Second operand 12 states and 1360 transitions. [2021-11-20 06:52:42,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 245 transitions, 1389 flow [2021-11-20 06:52:43,030 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 245 transitions, 1165 flow, removed 98 selfloop flow, removed 9 redundant places. [2021-11-20 06:52:43,036 INFO L242 Difference]: Finished difference. Result has 174 places, 177 transitions, 741 flow [2021-11-20 06:52:43,037 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=741, PETRI_PLACES=174, PETRI_TRANSITIONS=177} [2021-11-20 06:52:43,042 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 26 predicate places. [2021-11-20 06:52:43,042 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 177 transitions, 741 flow [2021-11-20 06:52:43,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 107.75) internal successors, (862), 8 states have internal predecessors, (862), 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 06:52:43,043 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:43,043 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:43,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 06:52:43,045 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:43,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1718388908, now seen corresponding path program 2 times [2021-11-20 06:52:43,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:43,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767973353] [2021-11-20 06:52:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:43,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:43,471 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 06:52:43,471 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:43,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767973353] [2021-11-20 06:52:43,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767973353] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:43,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:43,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-20 06:52:43,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704545716] [2021-11-20 06:52:43,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:43,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-20 06:52:43,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:43,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:52:43,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:52:43,475 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 141 [2021-11-20 06:52:43,477 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 177 transitions, 741 flow. Second operand has 11 states, 11 states have (on average 112.27272727272727) internal successors, (1235), 11 states have internal predecessors, (1235), 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 06:52:43,478 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:43,478 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 141 [2021-11-20 06:52:43,478 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:45,242 INFO L129 PetriNetUnfolder]: 2171/7868 cut-off events. [2021-11-20 06:52:45,242 INFO L130 PetriNetUnfolder]: For 7235/7931 co-relation queries the response was YES. [2021-11-20 06:52:45,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17842 conditions, 7868 events. 2171/7868 cut-off events. For 7235/7931 co-relation queries the response was YES. Maximal size of possible extension queue 676. Compared 92348 event pairs, 192 based on Foata normal form. 146/7735 useless extension candidates. Maximal degree in co-relation 17747. Up to 673 conditions per place. [2021-11-20 06:52:45,335 INFO L132 encePairwiseOnDemand]: 130/141 looper letters, 65 selfloop transitions, 22 changer transitions 15/233 dead transitions. [2021-11-20 06:52:45,335 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 233 transitions, 1256 flow [2021-11-20 06:52:45,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 06:52:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-11-20 06:52:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1285 transitions. [2021-11-20 06:52:45,342 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8284977433913604 [2021-11-20 06:52:45,342 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1285 transitions. [2021-11-20 06:52:45,342 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1285 transitions. [2021-11-20 06:52:45,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:45,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1285 transitions. [2021-11-20 06:52:45,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.81818181818181) internal successors, (1285), 11 states have internal predecessors, (1285), 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 06:52:45,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:45,355 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 141.0) internal successors, (1692), 12 states have internal predecessors, (1692), 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 06:52:45,355 INFO L186 Difference]: Start difference. First operand has 174 places, 177 transitions, 741 flow. Second operand 11 states and 1285 transitions. [2021-11-20 06:52:45,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 233 transitions, 1256 flow [2021-11-20 06:52:45,806 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 233 transitions, 1218 flow, removed 19 selfloop flow, removed 3 redundant places. [2021-11-20 06:52:45,810 INFO L242 Difference]: Finished difference. Result has 178 places, 188 transitions, 878 flow [2021-11-20 06:52:45,811 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=878, PETRI_PLACES=178, PETRI_TRANSITIONS=188} [2021-11-20 06:52:45,812 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 30 predicate places. [2021-11-20 06:52:45,812 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 188 transitions, 878 flow [2021-11-20 06:52:45,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 112.27272727272727) internal successors, (1235), 11 states have internal predecessors, (1235), 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 06:52:45,813 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:45,814 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:45,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 06:52:45,814 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:45,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1531636398, now seen corresponding path program 3 times [2021-11-20 06:52:45,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:45,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075844686] [2021-11-20 06:52:45,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:45,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:46,085 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 06:52:46,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:46,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075844686] [2021-11-20 06:52:46,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075844686] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:46,092 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:46,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-20 06:52:46,093 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616350973] [2021-11-20 06:52:46,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:46,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-20 06:52:46,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:46,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-20 06:52:46,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:52:46,099 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 141 [2021-11-20 06:52:46,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 188 transitions, 878 flow. Second operand has 9 states, 9 states have (on average 116.22222222222223) internal successors, (1046), 9 states have internal predecessors, (1046), 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 06:52:46,102 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:46,102 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 141 [2021-11-20 06:52:46,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:49,469 INFO L129 PetriNetUnfolder]: 5753/14204 cut-off events. [2021-11-20 06:52:49,469 INFO L130 PetriNetUnfolder]: For 24977/26737 co-relation queries the response was YES. [2021-11-20 06:52:49,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42064 conditions, 14204 events. 5753/14204 cut-off events. For 24977/26737 co-relation queries the response was YES. Maximal size of possible extension queue 940. Compared 153420 event pairs, 236 based on Foata normal form. 282/14233 useless extension candidates. Maximal degree in co-relation 42030. Up to 2433 conditions per place. [2021-11-20 06:52:49,634 INFO L132 encePairwiseOnDemand]: 131/141 looper letters, 124 selfloop transitions, 33 changer transitions 137/394 dead transitions. [2021-11-20 06:52:49,634 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 394 transitions, 3021 flow [2021-11-20 06:52:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-20 06:52:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-11-20 06:52:49,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1707 transitions. [2021-11-20 06:52:49,643 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8647416413373861 [2021-11-20 06:52:49,643 INFO L72 ComplementDD]: Start complementDD. Operand 14 states and 1707 transitions. [2021-11-20 06:52:49,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 1707 transitions. [2021-11-20 06:52:49,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:49,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 14 states and 1707 transitions. [2021-11-20 06:52:49,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 15 states, 14 states have (on average 121.92857142857143) internal successors, (1707), 14 states have internal predecessors, (1707), 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 06:52:49,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 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 06:52:49,659 INFO L81 ComplementDD]: Finished complementDD. Result has 15 states, 15 states have (on average 141.0) internal successors, (2115), 15 states have internal predecessors, (2115), 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 06:52:49,659 INFO L186 Difference]: Start difference. First operand has 178 places, 188 transitions, 878 flow. Second operand 14 states and 1707 transitions. [2021-11-20 06:52:49,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 394 transitions, 3021 flow [2021-11-20 06:52:50,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 394 transitions, 2945 flow, removed 33 selfloop flow, removed 7 redundant places. [2021-11-20 06:52:50,285 INFO L242 Difference]: Finished difference. Result has 187 places, 165 transitions, 747 flow [2021-11-20 06:52:50,286 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=799, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=747, PETRI_PLACES=187, PETRI_TRANSITIONS=165} [2021-11-20 06:52:50,288 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 39 predicate places. [2021-11-20 06:52:50,288 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 165 transitions, 747 flow [2021-11-20 06:52:50,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 116.22222222222223) internal successors, (1046), 9 states have internal predecessors, (1046), 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 06:52:50,289 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:50,289 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:50,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 06:52:50,290 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:50,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:50,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1350616341, now seen corresponding path program 1 times [2021-11-20 06:52:50,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:50,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974372105] [2021-11-20 06:52:50,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:50,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:50,556 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 06:52:50,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:50,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974372105] [2021-11-20 06:52:50,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974372105] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:50,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:50,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:52:50,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037884917] [2021-11-20 06:52:50,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:50,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:52:50,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:50,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:52:50,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:52:50,561 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 141 [2021-11-20 06:52:50,562 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 165 transitions, 747 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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 06:52:50,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:50,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 141 [2021-11-20 06:52:50,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:52,542 INFO L129 PetriNetUnfolder]: 2896/9027 cut-off events. [2021-11-20 06:52:52,542 INFO L130 PetriNetUnfolder]: For 22749/22945 co-relation queries the response was YES. [2021-11-20 06:52:52,631 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27973 conditions, 9027 events. 2896/9027 cut-off events. For 22749/22945 co-relation queries the response was YES. Maximal size of possible extension queue 634. Compared 102474 event pairs, 136 based on Foata normal form. 1/8855 useless extension candidates. Maximal degree in co-relation 27916. Up to 1796 conditions per place. [2021-11-20 06:52:52,787 INFO L132 encePairwiseOnDemand]: 126/141 looper letters, 78 selfloop transitions, 14 changer transitions 7/215 dead transitions. [2021-11-20 06:52:52,787 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 215 transitions, 1297 flow [2021-11-20 06:52:52,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:52:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-20 06:52:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 906 transitions. [2021-11-20 06:52:52,795 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8031914893617021 [2021-11-20 06:52:52,795 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 906 transitions. [2021-11-20 06:52:52,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 906 transitions. [2021-11-20 06:52:52,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:52,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 906 transitions. [2021-11-20 06:52:52,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 113.25) internal successors, (906), 8 states have internal predecessors, (906), 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 06:52:52,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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 06:52:52,803 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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 06:52:52,804 INFO L186 Difference]: Start difference. First operand has 187 places, 165 transitions, 747 flow. Second operand 8 states and 906 transitions. [2021-11-20 06:52:52,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 215 transitions, 1297 flow [2021-11-20 06:52:53,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 215 transitions, 1123 flow, removed 64 selfloop flow, removed 20 redundant places. [2021-11-20 06:52:53,167 INFO L242 Difference]: Finished difference. Result has 174 places, 173 transitions, 759 flow [2021-11-20 06:52:53,167 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=643, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=759, PETRI_PLACES=174, PETRI_TRANSITIONS=173} [2021-11-20 06:52:53,168 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 26 predicate places. [2021-11-20 06:52:53,168 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 173 transitions, 759 flow [2021-11-20 06:52:53,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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 06:52:53,169 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:53,169 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:53,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 06:52:53,170 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash -565342107, now seen corresponding path program 2 times [2021-11-20 06:52:53,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:53,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138338691] [2021-11-20 06:52:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:53,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:53,418 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 06:52:53,419 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:53,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138338691] [2021-11-20 06:52:53,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138338691] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:53,420 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:53,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:52:53,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695926205] [2021-11-20 06:52:53,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:53,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:52:53,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:53,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:52:53,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:52:53,423 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 141 [2021-11-20 06:52:53,436 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 173 transitions, 759 flow. Second operand has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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 06:52:53,446 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:53,446 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 141 [2021-11-20 06:52:53,446 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:52:55,736 INFO L129 PetriNetUnfolder]: 3545/11246 cut-off events. [2021-11-20 06:52:55,736 INFO L130 PetriNetUnfolder]: For 14390/14571 co-relation queries the response was YES. [2021-11-20 06:52:55,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31020 conditions, 11246 events. 3545/11246 cut-off events. For 14390/14571 co-relation queries the response was YES. Maximal size of possible extension queue 798. Compared 133561 event pairs, 398 based on Foata normal form. 5/10970 useless extension candidates. Maximal degree in co-relation 30993. Up to 2375 conditions per place. [2021-11-20 06:52:55,882 INFO L132 encePairwiseOnDemand]: 126/141 looper letters, 88 selfloop transitions, 15 changer transitions 5/224 dead transitions. [2021-11-20 06:52:55,882 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 224 transitions, 1320 flow [2021-11-20 06:52:55,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:52:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-11-20 06:52:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 904 transitions. [2021-11-20 06:52:55,887 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8014184397163121 [2021-11-20 06:52:55,887 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 904 transitions. [2021-11-20 06:52:55,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 904 transitions. [2021-11-20 06:52:55,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:52:55,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 904 transitions. [2021-11-20 06:52:55,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 113.0) internal successors, (904), 8 states have internal predecessors, (904), 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 06:52:55,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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 06:52:55,898 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 141.0) internal successors, (1269), 9 states have internal predecessors, (1269), 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 06:52:55,899 INFO L186 Difference]: Start difference. First operand has 174 places, 173 transitions, 759 flow. Second operand 8 states and 904 transitions. [2021-11-20 06:52:55,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 224 transitions, 1320 flow [2021-11-20 06:52:56,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 224 transitions, 1277 flow, removed 17 selfloop flow, removed 5 redundant places. [2021-11-20 06:52:56,374 INFO L242 Difference]: Finished difference. Result has 178 places, 182 transitions, 876 flow [2021-11-20 06:52:56,375 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=730, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=173, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=876, PETRI_PLACES=178, PETRI_TRANSITIONS=182} [2021-11-20 06:52:56,376 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 30 predicate places. [2021-11-20 06:52:56,376 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 182 transitions, 876 flow [2021-11-20 06:52:56,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.28571428571429) internal successors, (772), 7 states have internal predecessors, (772), 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 06:52:56,377 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:52:56,377 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:52:56,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-20 06:52:56,378 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:52:56,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:52:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1638240617, now seen corresponding path program 3 times [2021-11-20 06:52:56,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:52:56,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627034449] [2021-11-20 06:52:56,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:52:56,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:52:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:52:56,961 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 06:52:56,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:52:56,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627034449] [2021-11-20 06:52:56,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627034449] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:52:56,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:52:56,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-11-20 06:52:56,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902999383] [2021-11-20 06:52:56,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:52:56,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-20 06:52:56,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:52:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-20 06:52:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-20 06:52:56,968 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 141 [2021-11-20 06:52:56,970 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 182 transitions, 876 flow. Second operand has 13 states, 13 states have (on average 102.76923076923077) internal successors, (1336), 13 states have internal predecessors, (1336), 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 06:52:56,970 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-11-20 06:52:56,971 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 141 [2021-11-20 06:52:56,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-11-20 06:53:00,058 INFO L129 PetriNetUnfolder]: 4635/16415 cut-off events. [2021-11-20 06:53:00,058 INFO L130 PetriNetUnfolder]: For 23861/24036 co-relation queries the response was YES. [2021-11-20 06:53:00,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43888 conditions, 16415 events. 4635/16415 cut-off events. For 23861/24036 co-relation queries the response was YES. Maximal size of possible extension queue 1295. Compared 220952 event pairs, 202 based on Foata normal form. 4/16104 useless extension candidates. Maximal degree in co-relation 43859. Up to 1376 conditions per place. [2021-11-20 06:53:00,229 INFO L132 encePairwiseOnDemand]: 124/141 looper letters, 106 selfloop transitions, 21 changer transitions 25/262 dead transitions. [2021-11-20 06:53:00,229 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 262 transitions, 1837 flow [2021-11-20 06:53:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 06:53:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-11-20 06:53:00,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1277 transitions. [2021-11-20 06:53:00,233 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7547281323877069 [2021-11-20 06:53:00,233 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1277 transitions. [2021-11-20 06:53:00,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1277 transitions. [2021-11-20 06:53:00,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:53:00,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1277 transitions. [2021-11-20 06:53:00,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 106.41666666666667) internal successors, (1277), 12 states have internal predecessors, (1277), 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 06:53:00,241 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 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 06:53:00,242 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 141.0) internal successors, (1833), 13 states have internal predecessors, (1833), 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 06:53:00,242 INFO L186 Difference]: Start difference. First operand has 178 places, 182 transitions, 876 flow. Second operand 12 states and 1277 transitions. [2021-11-20 06:53:00,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 262 transitions, 1837 flow [2021-11-20 06:53:01,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 262 transitions, 1748 flow, removed 40 selfloop flow, removed 5 redundant places. [2021-11-20 06:53:01,329 INFO L242 Difference]: Finished difference. Result has 187 places, 188 transitions, 974 flow [2021-11-20 06:53:01,329 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=141, PETRI_DIFFERENCE_MINUEND_FLOW=837, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=974, PETRI_PLACES=187, PETRI_TRANSITIONS=188} [2021-11-20 06:53:01,330 INFO L334 CegarLoopForPetriNet]: 148 programPoint places, 39 predicate places. [2021-11-20 06:53:01,330 INFO L470 AbstractCegarLoop]: Abstraction has has 187 places, 188 transitions, 974 flow [2021-11-20 06:53:01,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 102.76923076923077) internal successors, (1336), 13 states have internal predecessors, (1336), 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 06:53:01,331 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-11-20 06:53:01,331 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:53:01,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-20 06:53:01,331 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-20 06:53:01,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:53:01,331 INFO L85 PathProgramCache]: Analyzing trace with hash 565451067, now seen corresponding path program 4 times [2021-11-20 06:53:01,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:53:01,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915239196] [2021-11-20 06:53:01,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:53:01,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:53:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:01,402 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:53:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:53:01,565 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:53:01,565 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 06:53:01,567 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-20 06:53:01,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-20 06:53:01,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-20 06:53:01,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2021-11-20 06:53:01,569 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2021-11-20 06:53:01,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION (1 of 7 remaining) [2021-11-20 06:53:01,570 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-20 06:53:01,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-20 06:53:01,574 INFO L732 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1, 1, 1] [2021-11-20 06:53:01,580 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 06:53:01,581 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:53:01,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:53:01 BasicIcfg [2021-11-20 06:53:01,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:53:01,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:53:01,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:53:01,870 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:53:01,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:52:26" (3/4) ... [2021-11-20 06:53:01,872 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-20 06:53:02,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:53:02,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:53:02,143 INFO L158 Benchmark]: Toolchain (without parser) took 38124.31ms. Allocated memory was 98.6MB in the beginning and 8.3GB in the end (delta: 8.2GB). Free memory was 64.0MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 972.7MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,144 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:53:02,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.22ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 60.5MB in the end (delta: 3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,145 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.62ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,145 INFO L158 Benchmark]: Boogie Preprocessor took 63.99ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,148 INFO L158 Benchmark]: RCFGBuilder took 1615.36ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 55.2MB in the beginning and 88.6MB in the end (delta: -33.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,149 INFO L158 Benchmark]: TraceAbstraction took 35147.30ms. Allocated memory was 127.9MB in the beginning and 8.3GB in the end (delta: 8.1GB). Free memory was 88.6MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 909.2MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,149 INFO L158 Benchmark]: Witness Printer took 272.83ms. Allocated memory is still 8.3GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2021-11-20 06:53:02,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.22ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 60.5MB in the end (delta: 3.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.62ms. Allocated memory is still 98.6MB. Free memory was 60.5MB in the beginning and 57.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.99ms. Allocated memory is still 98.6MB. Free memory was 57.9MB in the beginning and 55.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1615.36ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 55.2MB in the beginning and 88.6MB in the end (delta: -33.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 35147.30ms. Allocated memory was 127.9MB in the beginning and 8.3GB in the end (delta: 8.1GB). Free memory was 88.6MB in the beginning and 7.3GB in the end (delta: -7.2GB). Peak memory consumption was 909.2MB. Max. memory is 16.1GB. * Witness Printer took 272.83ms. Allocated memory is still 8.3GB. Free memory was 7.3GB in the beginning and 7.3GB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p2_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0] [L720] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0] [L722] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L724] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L725] 0 _Bool a$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0] [L726] 0 int a$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0] [L727] 0 _Bool a$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0] [L728] 0 _Bool a$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0] [L729] 0 _Bool a$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0] [L730] 0 _Bool a$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0] [L731] 0 _Bool a$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0] [L732] 0 _Bool a$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0] [L733] 0 _Bool a$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0] [L734] 0 _Bool a$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0] [L735] 0 _Bool a$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0] [L736] 0 _Bool a$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0] [L737] 0 _Bool a$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0] [L738] 0 int *a$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}] [L739] 0 int a$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0] [L740] 0 _Bool a$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0] [L741] 0 int a$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0] [L742] 0 _Bool a$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0] [L743] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0] [L744] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L746] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L748] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L750] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, z=0] [L751] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, z=0] [L752] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t89; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t89={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L874] FCALL, FORK 0 pthread_create(&t89, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t89, ((void *)0), P0, ((void *)0))=-3, t89={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t90; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t89={5:0}, t90={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L876] FCALL, FORK 0 pthread_create(&t90, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t90, ((void *)0), P1, ((void *)0))=-2, t89={5:0}, t90={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t91; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t89={5:0}, t90={6:0}, t91={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L878] FCALL, FORK 0 pthread_create(&t91, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t91, ((void *)0), P2, ((void *)0))=-1, t89={5:0}, t90={6:0}, t91={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L879] 0 pthread_t t92; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t89={5:0}, t90={6:0}, t91={7:0}, t92={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L880] FCALL, FORK 0 pthread_create(&t92, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t92, ((void *)0), P3, ((void *)0))=0, t89={5:0}, t90={6:0}, t91={7:0}, t92={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 a$w_buff1 = a$w_buff0 [L757] 1 a$w_buff0 = 1 [L758] 1 a$w_buff1_used = a$w_buff0_used [L759] 1 a$w_buff0_used = (_Bool)1 [L760] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L760] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L761] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L762] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L763] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L764] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L765] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L766] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L806] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L809] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L812] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L829] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L832] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 a$flush_delayed = weak$$choice2 [L838] 4 a$mem_tmp = a [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L839] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = a [L847] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L847] 4 a = a$flush_delayed ? a$mem_tmp : a [L848] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L852] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L853] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L854] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L854] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L855] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L855] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L772] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L773] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L774] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L775] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L776] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t89={5:0}, t90={6:0}, t91={7:0}, t92={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L884] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L884] RET 0 assume_abort_if_not(main$tmp_guard0) [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L887] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L888] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L889] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L889] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L890] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L890] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t89={5:0}, t90={6:0}, t91={7:0}, t92={3:0}, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L895] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=1, \old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 876]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 874]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 878]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 880]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 179 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 34.6s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 29.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 855 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 855 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1905 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2344 IncrementalHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 222 mSDtfsCounter, 2344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=974occurred in iteration=13, InterpolantAutomatonStates: 128, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1377 NumberOfCodeBlocks, 1377 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1254 ConstructedInterpolants, 0 QuantifiedInterpolants, 6417 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-20 06:53:02,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f30ae81-f5f7-465f-8145-b26eddfd4280/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE