/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:04:03,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:04:03,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:04:03,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:04:03,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:04:03,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:04:03,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:04:03,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:04:03,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:04:03,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:04:03,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:04:03,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:04:03,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:04:03,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:04:03,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:04:03,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:04:03,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:04:03,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:04:03,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:04:03,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:04:03,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:04:03,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:04:03,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:04:03,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:04:03,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:04:03,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:04:03,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:04:03,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:04:03,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:04:03,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:04:03,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:04:03,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:04:03,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:04:03,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:04:03,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:04:03,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:04:03,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:04:03,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:04:03,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:04:03,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:04:03,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:04:03,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-11 21:04:03,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:04:03,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:04:03,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:04:03,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:04:03,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:04:03,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:04:03,693 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:04:03,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:04:03,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:04:03,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:04:03,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:04:03,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:04:03,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:04:03,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:04:03,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:04:03,696 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:04:03,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:04:03,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:04:03,696 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:04:03,696 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:04:03,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:04:03,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:04:03,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:04:03,997 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:04:03,997 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:04:03,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2022-12-11 21:04:05,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:04:05,544 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:04:05,544 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i [2022-12-11 21:04:05,570 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd0f882/0672d2b225e74fe5ab3a1e678eed3cea/FLAG876b69369 [2022-12-11 21:04:05,584 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78dd0f882/0672d2b225e74fe5ab3a1e678eed3cea [2022-12-11 21:04:05,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:04:05,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:04:05,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:04:05,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:04:05,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:04:05,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:04:05" (1/1) ... [2022-12-11 21:04:05,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3338f05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:05, skipping insertion in model container [2022-12-11 21:04:05,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:04:05" (1/1) ... [2022-12-11 21:04:05,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:04:05,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:04:05,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i[992,1005] [2022-12-11 21:04:05,977 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:05,978 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:05,979 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,015 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,016 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,048 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,050 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,051 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,052 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,066 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,067 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,069 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,071 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:04:06,097 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:04:06,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_rmo.opt.i[992,1005] [2022-12-11 21:04:06,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,146 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,147 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,157 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,167 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,168 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,169 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,170 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,172 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,173 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,176 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,177 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,179 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 21:04:06,180 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 21:04:06,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:04:06,218 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:04:06,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06 WrapperNode [2022-12-11 21:04:06,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:04:06,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:04:06,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:04:06,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:04:06,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,272 INFO L138 Inliner]: procedures = 177, calls = 86, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 151 [2022-12-11 21:04:06,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:04:06,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:04:06,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:04:06,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:04:06,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:04:06,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:04:06,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:04:06,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:04:06,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (1/1) ... [2022-12-11 21:04:06,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:04:06,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:04:06,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-11 21:04:06,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:04:06,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:04:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-11 21:04:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-11 21:04:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-11 21:04:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-11 21:04:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-11 21:04:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-11 21:04:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-11 21:04:06,404 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-11 21:04:06,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:04:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 21:04:06,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:04:06,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:04:06,407 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:04:06,603 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:04:06,605 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:04:07,203 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:04:07,452 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:04:07,453 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:04:07,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:04:07 BoogieIcfgContainer [2022-12-11 21:04:07,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:04:07,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:04:07,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:04:07,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:04:07,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:04:05" (1/3) ... [2022-12-11 21:04:07,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75392a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:04:07, skipping insertion in model container [2022-12-11 21:04:07,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:04:06" (2/3) ... [2022-12-11 21:04:07,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75392a94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:04:07, skipping insertion in model container [2022-12-11 21:04:07,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:04:07" (3/3) ... [2022-12-11 21:04:07,467 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.opt.i [2022-12-11 21:04:07,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:04:07,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:04:07,487 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:04:07,554 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 21:04:07,589 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 155 places, 144 transitions, 308 flow [2022-12-11 21:04:07,641 INFO L130 PetriNetUnfolder]: 2/140 cut-off events. [2022-12-11 21:04:07,642 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:04:07,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 140 events. 2/140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 61 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 83. Up to 2 conditions per place. [2022-12-11 21:04:07,648 INFO L82 GeneralOperation]: Start removeDead. Operand has 155 places, 144 transitions, 308 flow [2022-12-11 21:04:07,652 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 138 places, 126 transitions, 264 flow [2022-12-11 21:04:07,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:04:07,667 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a5e7946, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:04:07,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-11 21:04:07,694 INFO L130 PetriNetUnfolder]: 1/125 cut-off events. [2022-12-11 21:04:07,694 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:04:07,694 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:07,695 INFO L214 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] [2022-12-11 21:04:07,696 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:07,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:07,701 INFO L85 PathProgramCache]: Analyzing trace with hash -988583678, now seen corresponding path program 1 times [2022-12-11 21:04:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:07,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882983003] [2022-12-11 21:04:07,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:08,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:08,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882983003] [2022-12-11 21:04:08,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882983003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:08,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:08,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:04:08,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022031707] [2022-12-11 21:04:08,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:08,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:04:08,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:08,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:04:08,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:04:08,692 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 144 [2022-12-11 21:04:08,697 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 126 transitions, 264 flow. Second operand has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:08,698 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:08,698 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 144 [2022-12-11 21:04:08,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:09,352 INFO L130 PetriNetUnfolder]: 747/1434 cut-off events. [2022-12-11 21:04:09,353 INFO L131 PetriNetUnfolder]: For 28/28 co-relation queries the response was YES. [2022-12-11 21:04:09,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2608 conditions, 1434 events. 747/1434 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 8375 event pairs, 97 based on Foata normal form. 52/1445 useless extension candidates. Maximal degree in co-relation 2534. Up to 585 conditions per place. [2022-12-11 21:04:09,372 INFO L137 encePairwiseOnDemand]: 137/144 looper letters, 24 selfloop transitions, 2 changer transitions 37/170 dead transitions. [2022-12-11 21:04:09,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 170 transitions, 487 flow [2022-12-11 21:04:09,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:04:09,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:04:09,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1165 transitions. [2022-12-11 21:04:09,392 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8989197530864198 [2022-12-11 21:04:09,396 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 8 predicate places. [2022-12-11 21:04:09,397 INFO L82 GeneralOperation]: Start removeDead. Operand has 146 places, 170 transitions, 487 flow [2022-12-11 21:04:09,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 133 transitions, 339 flow [2022-12-11 21:04:09,405 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 133 transitions, 339 flow [2022-12-11 21:04:09,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 124.0) internal successors, (744), 6 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-11 21:04:09,406 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:09,406 INFO L214 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] [2022-12-11 21:04:09,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:04:09,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:09,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:09,409 INFO L85 PathProgramCache]: Analyzing trace with hash 932661121, now seen corresponding path program 1 times [2022-12-11 21:04:09,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:09,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14477405] [2022-12-11 21:04:09,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:09,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:09,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:09,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:09,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14477405] [2022-12-11 21:04:09,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14477405] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:09,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:09,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:09,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066067297] [2022-12-11 21:04:09,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:09,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:09,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:09,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:09,731 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 144 [2022-12-11 21:04:09,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 133 transitions, 339 flow. Second operand has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 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) [2022-12-11 21:04:09,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:09,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 144 [2022-12-11 21:04:09,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:10,513 INFO L130 PetriNetUnfolder]: 1436/2665 cut-off events. [2022-12-11 21:04:10,514 INFO L131 PetriNetUnfolder]: For 307/2113 co-relation queries the response was YES. [2022-12-11 21:04:10,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6633 conditions, 2665 events. 1436/2665 cut-off events. For 307/2113 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 16712 event pairs, 218 based on Foata normal form. 58/2592 useless extension candidates. Maximal degree in co-relation 6554. Up to 1671 conditions per place. [2022-12-11 21:04:10,529 INFO L137 encePairwiseOnDemand]: 135/144 looper letters, 30 selfloop transitions, 5 changer transitions 59/198 dead transitions. [2022-12-11 21:04:10,530 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 198 transitions, 764 flow [2022-12-11 21:04:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 21:04:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 21:04:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1274 transitions. [2022-12-11 21:04:10,534 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8847222222222222 [2022-12-11 21:04:10,534 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 11 predicate places. [2022-12-11 21:04:10,534 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 198 transitions, 764 flow [2022-12-11 21:04:10,553 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 143 places, 139 transitions, 422 flow [2022-12-11 21:04:10,554 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 139 transitions, 422 flow [2022-12-11 21:04:10,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 121.0) internal successors, (847), 7 states have internal predecessors, (847), 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) [2022-12-11 21:04:10,555 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:10,555 INFO L214 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] [2022-12-11 21:04:10,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:04:10,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:10,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1542015584, now seen corresponding path program 1 times [2022-12-11 21:04:10,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:10,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722140050] [2022-12-11 21:04:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:10,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:10,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:10,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722140050] [2022-12-11 21:04:10,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722140050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:10,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:10,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:10,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264532550] [2022-12-11 21:04:10,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:10,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:10,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:10,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:10,907 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 144 [2022-12-11 21:04:10,908 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 139 transitions, 422 flow. Second operand has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 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) [2022-12-11 21:04:10,908 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:10,908 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 144 [2022-12-11 21:04:10,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:11,440 INFO L130 PetriNetUnfolder]: 904/1819 cut-off events. [2022-12-11 21:04:11,440 INFO L131 PetriNetUnfolder]: For 703/1373 co-relation queries the response was YES. [2022-12-11 21:04:11,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5500 conditions, 1819 events. 904/1819 cut-off events. For 703/1373 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10723 event pairs, 233 based on Foata normal form. 34/1785 useless extension candidates. Maximal degree in co-relation 5416. Up to 1201 conditions per place. [2022-12-11 21:04:11,454 INFO L137 encePairwiseOnDemand]: 137/144 looper letters, 33 selfloop transitions, 5 changer transitions 31/180 dead transitions. [2022-12-11 21:04:11,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 180 transitions, 809 flow [2022-12-11 21:04:11,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 21:04:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 21:04:11,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1276 transitions. [2022-12-11 21:04:11,458 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8861111111111111 [2022-12-11 21:04:11,458 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 14 predicate places. [2022-12-11 21:04:11,459 INFO L82 GeneralOperation]: Start removeDead. Operand has 152 places, 180 transitions, 809 flow [2022-12-11 21:04:11,468 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 149 transitions, 561 flow [2022-12-11 21:04:11,469 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 149 transitions, 561 flow [2022-12-11 21:04:11,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 123.85714285714286) internal successors, (867), 7 states have internal predecessors, (867), 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) [2022-12-11 21:04:11,470 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:11,470 INFO L214 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] [2022-12-11 21:04:11,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:04:11,470 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:11,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash 451600420, now seen corresponding path program 1 times [2022-12-11 21:04:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:11,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285064948] [2022-12-11 21:04:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:11,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:11,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:11,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285064948] [2022-12-11 21:04:11,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285064948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:11,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:11,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490139360] [2022-12-11 21:04:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:11,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:11,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:11,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:11,797 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 144 [2022-12-11 21:04:11,798 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 149 transitions, 561 flow. Second operand has 7 states, 7 states have (on average 121.28571428571429) internal successors, (849), 7 states have internal predecessors, (849), 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) [2022-12-11 21:04:11,798 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:11,798 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 144 [2022-12-11 21:04:11,799 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:12,703 INFO L130 PetriNetUnfolder]: 1324/2643 cut-off events. [2022-12-11 21:04:12,703 INFO L131 PetriNetUnfolder]: For 1755/18857 co-relation queries the response was YES. [2022-12-11 21:04:12,709 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10403 conditions, 2643 events. 1324/2643 cut-off events. For 1755/18857 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 17750 event pairs, 109 based on Foata normal form. 78/2609 useless extension candidates. Maximal degree in co-relation 10314. Up to 1837 conditions per place. [2022-12-11 21:04:12,721 INFO L137 encePairwiseOnDemand]: 137/144 looper letters, 50 selfloop transitions, 3 changer transitions 67/224 dead transitions. [2022-12-11 21:04:12,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 224 transitions, 1387 flow [2022-12-11 21:04:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-11 21:04:12,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-11 21:04:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1765 transitions. [2022-12-11 21:04:12,725 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8754960317460317 [2022-12-11 21:04:12,726 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 21 predicate places. [2022-12-11 21:04:12,726 INFO L82 GeneralOperation]: Start removeDead. Operand has 159 places, 224 transitions, 1387 flow [2022-12-11 21:04:12,741 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 157 transitions, 736 flow [2022-12-11 21:04:12,742 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 157 transitions, 736 flow [2022-12-11 21:04:12,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 121.28571428571429) internal successors, (849), 7 states have internal predecessors, (849), 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) [2022-12-11 21:04:12,743 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:12,743 INFO L214 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] [2022-12-11 21:04:12,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 21:04:12,743 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:12,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:12,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1775526297, now seen corresponding path program 1 times [2022-12-11 21:04:12,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:12,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734069073] [2022-12-11 21:04:12,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:12,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:13,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:13,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734069073] [2022-12-11 21:04:13,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734069073] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:13,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:13,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:04:13,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773619121] [2022-12-11 21:04:13,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:13,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:04:13,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:04:13,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:04:13,045 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 144 [2022-12-11 21:04:13,046 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 157 transitions, 736 flow. Second operand has 6 states, 6 states have (on average 120.33333333333333) internal successors, (722), 6 states have internal predecessors, (722), 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) [2022-12-11 21:04:13,046 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:13,046 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 144 [2022-12-11 21:04:13,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:14,621 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][316], [56#L830true, 148#L805true, 254#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 94#L4true, 214#(= ~y~0 1), 25#L854true, 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,622 INFO L382 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,622 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,622 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,622 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,622 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([657] L830-->L837: Formula: (let ((.cse8 (= (mod v_~x$r_buff0_thd3~0_80 256) 0))) (let ((.cse7 (= (mod v_~x$w_buff0_used~0_221 256) 0)) (.cse10 (= (mod v_~x$w_buff1_used~0_221 256) 0)) (.cse11 (= (mod v_~x$r_buff1_thd3~0_79 256) 0)) (.cse5 (not (= (mod v_~x$w_buff0_used~0_220 256) 0))) (.cse4 (not .cse8))) (let ((.cse0 (and .cse5 .cse4)) (.cse1 (not .cse11)) (.cse2 (not .cse10)) (.cse6 (select |v_#memory_int_240| |v_~#x~0.base_161|)) (.cse3 (not .cse7))) (and (= v_~x$w_buff1_used~0_220 (ite (or .cse0 (and .cse1 .cse2)) 0 v_~x$w_buff1_used~0_221)) (= v_~x$r_buff0_thd3~0_79 (ite .cse0 0 v_~x$r_buff0_thd3~0_80)) (= (ite (and .cse3 .cse4) 0 v_~x$w_buff0_used~0_221) v_~x$w_buff0_used~0_220) (= (ite (or (and .cse5 (not (= (mod v_~x$r_buff0_thd3~0_79 256) 0))) (and .cse1 (not (= 0 (mod v_~x$w_buff1_used~0_220 256))))) 0 v_~x$r_buff1_thd3~0_79) v_~x$r_buff1_thd3~0_78) (= (store |v_#memory_int_240| |v_~#x~0.base_161| (store .cse6 |v_~#x~0.offset_161| |v_P2_#t~ite24_27|)) |v_#memory_int_239|) (let ((.cse9 (= |v_P2Thread1of1ForFork0_#t~mem22_1| |v_P2_#t~mem22_28|))) (or (and (or .cse7 .cse8) (= |v_P2_#t~ite24_27| |v_P2_#t~ite23_29|) (or (and .cse1 .cse9 (= |v_P2_#t~ite23_29| v_~x$w_buff1~0_94) .cse2) (and (or .cse10 .cse11) (= (select .cse6 |v_~#x~0.offset_161|) |v_P2_#t~mem22_28|) (= |v_P2_#t~ite23_29| |v_P2_#t~mem22_28|)))) (and .cse3 (= |v_P2_#t~ite23_29| |v_P2Thread1of1ForFork0_#t~ite23_1|) (= |v_P2_#t~ite24_27| v_~x$w_buff0~0_90) .cse4 .cse9))))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_90, ~#x~0.offset=|v_~#x~0.offset_161|, P2Thread1of1ForFork0_#t~ite23=|v_P2Thread1of1ForFork0_#t~ite23_1|, ~x$w_buff1~0=v_~x$w_buff1~0_94, #memory_int=|v_#memory_int_240|, ~#x~0.base=|v_~#x~0.base_161|, ~x$r_buff1_thd3~0=v_~x$r_buff1_thd3~0_79, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_221, P2Thread1of1ForFork0_#t~mem22=|v_P2Thread1of1ForFork0_#t~mem22_1|, ~x$r_buff0_thd3~0=v_~x$r_buff0_thd3~0_80, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_221} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_90, ~#x~0.offset=|v_~#x~0.offset_161|, P2Thread1of1ForFork0_#t~ite24=|v_P2Thread1of1ForFork0_#t~ite24_1|, ~x$w_buff1~0=v_~x$w_buff1~0_94, #memory_int=|v_#memory_int_239|, ~#x~0.base=|v_~#x~0.base_161|, ~x$r_buff1_thd3~0=v_~x$r_buff1_thd3~0_78, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_220, ~x$r_buff0_thd3~0=v_~x$r_buff0_thd3~0_79, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_220} AuxVars[|v_P2_#t~mem22_28|, |v_P2_#t~ite24_27|, |v_P2_#t~ite23_29|] AssignedVars[P2Thread1of1ForFork0_#t~ite23, P2Thread1of1ForFork0_#t~ite24, #memory_int, ~x$r_buff1_thd3~0, ~x$w_buff1_used~0, P2Thread1of1ForFork0_#t~mem22, ~x$r_buff0_thd3~0, ~x$w_buff0_used~0][315], [148#L805true, 254#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 94#L4true, 158#true, 214#(= ~y~0 1), 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 11#L837true, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,623 INFO L382 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,623 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,623 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,623 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,624 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][314], [56#L830true, 148#L805true, 254#(and (<= |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)), 174#true, 54#L847true, 158#true, 94#L4true, 214#(= ~y~0 1), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,624 INFO L382 tUnfolder$Statistics]: this new event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,624 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,624 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,624 INFO L385 tUnfolder$Statistics]: existing Event has 102 ancestors and is cut-off event [2022-12-11 21:04:14,965 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][316], [102#L4-1true, 56#L830true, 148#L805true, 254#(and (<= |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)), 174#true, 158#true, 214#(= ~y~0 1), 25#L854true, 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,966 INFO L382 tUnfolder$Statistics]: this new event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,966 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,966 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,966 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,966 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([657] L830-->L837: Formula: (let ((.cse8 (= (mod v_~x$r_buff0_thd3~0_80 256) 0))) (let ((.cse7 (= (mod v_~x$w_buff0_used~0_221 256) 0)) (.cse10 (= (mod v_~x$w_buff1_used~0_221 256) 0)) (.cse11 (= (mod v_~x$r_buff1_thd3~0_79 256) 0)) (.cse5 (not (= (mod v_~x$w_buff0_used~0_220 256) 0))) (.cse4 (not .cse8))) (let ((.cse0 (and .cse5 .cse4)) (.cse1 (not .cse11)) (.cse2 (not .cse10)) (.cse6 (select |v_#memory_int_240| |v_~#x~0.base_161|)) (.cse3 (not .cse7))) (and (= v_~x$w_buff1_used~0_220 (ite (or .cse0 (and .cse1 .cse2)) 0 v_~x$w_buff1_used~0_221)) (= v_~x$r_buff0_thd3~0_79 (ite .cse0 0 v_~x$r_buff0_thd3~0_80)) (= (ite (and .cse3 .cse4) 0 v_~x$w_buff0_used~0_221) v_~x$w_buff0_used~0_220) (= (ite (or (and .cse5 (not (= (mod v_~x$r_buff0_thd3~0_79 256) 0))) (and .cse1 (not (= 0 (mod v_~x$w_buff1_used~0_220 256))))) 0 v_~x$r_buff1_thd3~0_79) v_~x$r_buff1_thd3~0_78) (= (store |v_#memory_int_240| |v_~#x~0.base_161| (store .cse6 |v_~#x~0.offset_161| |v_P2_#t~ite24_27|)) |v_#memory_int_239|) (let ((.cse9 (= |v_P2Thread1of1ForFork0_#t~mem22_1| |v_P2_#t~mem22_28|))) (or (and (or .cse7 .cse8) (= |v_P2_#t~ite24_27| |v_P2_#t~ite23_29|) (or (and .cse1 .cse9 (= |v_P2_#t~ite23_29| v_~x$w_buff1~0_94) .cse2) (and (or .cse10 .cse11) (= (select .cse6 |v_~#x~0.offset_161|) |v_P2_#t~mem22_28|) (= |v_P2_#t~ite23_29| |v_P2_#t~mem22_28|)))) (and .cse3 (= |v_P2_#t~ite23_29| |v_P2Thread1of1ForFork0_#t~ite23_1|) (= |v_P2_#t~ite24_27| v_~x$w_buff0~0_90) .cse4 .cse9))))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_90, ~#x~0.offset=|v_~#x~0.offset_161|, P2Thread1of1ForFork0_#t~ite23=|v_P2Thread1of1ForFork0_#t~ite23_1|, ~x$w_buff1~0=v_~x$w_buff1~0_94, #memory_int=|v_#memory_int_240|, ~#x~0.base=|v_~#x~0.base_161|, ~x$r_buff1_thd3~0=v_~x$r_buff1_thd3~0_79, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_221, P2Thread1of1ForFork0_#t~mem22=|v_P2Thread1of1ForFork0_#t~mem22_1|, ~x$r_buff0_thd3~0=v_~x$r_buff0_thd3~0_80, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_221} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_90, ~#x~0.offset=|v_~#x~0.offset_161|, P2Thread1of1ForFork0_#t~ite24=|v_P2Thread1of1ForFork0_#t~ite24_1|, ~x$w_buff1~0=v_~x$w_buff1~0_94, #memory_int=|v_#memory_int_239|, ~#x~0.base=|v_~#x~0.base_161|, ~x$r_buff1_thd3~0=v_~x$r_buff1_thd3~0_78, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_220, ~x$r_buff0_thd3~0=v_~x$r_buff0_thd3~0_79, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_220} AuxVars[|v_P2_#t~mem22_28|, |v_P2_#t~ite24_27|, |v_P2_#t~ite23_29|] AssignedVars[P2Thread1of1ForFork0_#t~ite23, P2Thread1of1ForFork0_#t~ite24, #memory_int, ~x$r_buff1_thd3~0, ~x$w_buff1_used~0, P2Thread1of1ForFork0_#t~mem22, ~x$r_buff0_thd3~0, ~x$w_buff0_used~0][315], [102#L4-1true, 148#L805true, 254#(and (<= |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)), 54#L847true, 174#true, 158#true, 214#(= ~y~0 1), 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 11#L837true, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,967 INFO L382 tUnfolder$Statistics]: this new event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,967 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,967 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,967 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,967 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][314], [102#L4-1true, 56#L830true, 148#L805true, 254#(and (<= |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)), 174#true, 54#L847true, 158#true, 214#(= ~y~0 1), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse]) [2022-12-11 21:04:14,967 INFO L382 tUnfolder$Statistics]: this new event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,968 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,968 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:14,968 INFO L385 tUnfolder$Statistics]: existing Event has 103 ancestors and is cut-off event [2022-12-11 21:04:15,834 INFO L130 PetriNetUnfolder]: 8989/14294 cut-off events. [2022-12-11 21:04:15,835 INFO L131 PetriNetUnfolder]: For 49938/53410 co-relation queries the response was YES. [2022-12-11 21:04:15,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53659 conditions, 14294 events. 8989/14294 cut-off events. For 49938/53410 co-relation queries the response was YES. Maximal size of possible extension queue 951. Compared 103262 event pairs, 217 based on Foata normal form. 517/14456 useless extension candidates. Maximal degree in co-relation 53566. Up to 6245 conditions per place. [2022-12-11 21:04:15,935 INFO L137 encePairwiseOnDemand]: 133/144 looper letters, 99 selfloop transitions, 8 changer transitions 134/349 dead transitions. [2022-12-11 21:04:15,935 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 349 transitions, 2854 flow [2022-12-11 21:04:15,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 21:04:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 21:04:15,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1279 transitions. [2022-12-11 21:04:15,939 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8881944444444444 [2022-12-11 21:04:15,939 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 19 predicate places. [2022-12-11 21:04:15,939 INFO L82 GeneralOperation]: Start removeDead. Operand has 157 places, 349 transitions, 2854 flow [2022-12-11 21:04:15,992 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 215 transitions, 1454 flow [2022-12-11 21:04:15,992 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 215 transitions, 1454 flow [2022-12-11 21:04:15,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 120.33333333333333) internal successors, (722), 6 states have internal predecessors, (722), 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) [2022-12-11 21:04:15,993 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:15,993 INFO L214 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] [2022-12-11 21:04:15,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 21:04:15,994 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:15,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1914164750, now seen corresponding path program 1 times [2022-12-11 21:04:15,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:15,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904777635] [2022-12-11 21:04:15,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:16,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:16,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904777635] [2022-12-11 21:04:16,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904777635] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:16,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:16,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 21:04:16,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083291527] [2022-12-11 21:04:16,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:16,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 21:04:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:16,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 21:04:16,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 21:04:16,342 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 144 [2022-12-11 21:04:16,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 215 transitions, 1454 flow. Second operand has 7 states, 7 states have (on average 120.28571428571429) internal successors, (842), 7 states have internal predecessors, (842), 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) [2022-12-11 21:04:16,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:16,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 144 [2022-12-11 21:04:16,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:17,785 INFO L130 PetriNetUnfolder]: 3824/7599 cut-off events. [2022-12-11 21:04:17,785 INFO L131 PetriNetUnfolder]: For 24184/26284 co-relation queries the response was YES. [2022-12-11 21:04:17,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31014 conditions, 7599 events. 3824/7599 cut-off events. For 24184/26284 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 62834 event pairs, 102 based on Foata normal form. 421/7907 useless extension candidates. Maximal degree in co-relation 30917. Up to 4176 conditions per place. [2022-12-11 21:04:17,811 INFO L137 encePairwiseOnDemand]: 133/144 looper letters, 116 selfloop transitions, 24 changer transitions 128/376 dead transitions. [2022-12-11 21:04:17,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 376 transitions, 3597 flow [2022-12-11 21:04:17,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 21:04:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 21:04:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1401 transitions. [2022-12-11 21:04:17,814 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.884469696969697 [2022-12-11 21:04:17,817 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 25 predicate places. [2022-12-11 21:04:17,817 INFO L82 GeneralOperation]: Start removeDead. Operand has 163 places, 376 transitions, 3597 flow [2022-12-11 21:04:17,832 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 163 places, 248 transitions, 1989 flow [2022-12-11 21:04:17,832 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 248 transitions, 1989 flow [2022-12-11 21:04:17,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 120.28571428571429) internal successors, (842), 7 states have internal predecessors, (842), 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) [2022-12-11 21:04:17,833 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:17,833 INFO L214 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] [2022-12-11 21:04:17,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-11 21:04:17,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:17,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:17,834 INFO L85 PathProgramCache]: Analyzing trace with hash -175606873, now seen corresponding path program 1 times [2022-12-11 21:04:17,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:17,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453700530] [2022-12-11 21:04:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:19,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:19,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453700530] [2022-12-11 21:04:19,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453700530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:19,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:19,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-11 21:04:19,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913967411] [2022-12-11 21:04:19,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:19,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-11 21:04:19,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:19,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-11 21:04:19,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2022-12-11 21:04:19,748 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 144 [2022-12-11 21:04:19,750 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 248 transitions, 1989 flow. Second operand has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 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) [2022-12-11 21:04:19,750 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:19,750 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 144 [2022-12-11 21:04:19,750 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:22,324 INFO L130 PetriNetUnfolder]: 4330/11672 cut-off events. [2022-12-11 21:04:22,324 INFO L131 PetriNetUnfolder]: For 36488/37639 co-relation queries the response was YES. [2022-12-11 21:04:22,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45758 conditions, 11672 events. 4330/11672 cut-off events. For 36488/37639 co-relation queries the response was YES. Maximal size of possible extension queue 696. Compared 123499 event pairs, 288 based on Foata normal form. 276/11701 useless extension candidates. Maximal degree in co-relation 45641. Up to 5828 conditions per place. [2022-12-11 21:04:22,425 INFO L137 encePairwiseOnDemand]: 128/144 looper letters, 169 selfloop transitions, 27 changer transitions 77/388 dead transitions. [2022-12-11 21:04:22,425 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 388 transitions, 4318 flow [2022-12-11 21:04:22,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-11 21:04:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-11 21:04:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1943 transitions. [2022-12-11 21:04:22,430 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7496141975308642 [2022-12-11 21:04:22,431 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 42 predicate places. [2022-12-11 21:04:22,431 INFO L82 GeneralOperation]: Start removeDead. Operand has 180 places, 388 transitions, 4318 flow [2022-12-11 21:04:22,475 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 174 places, 311 transitions, 3210 flow [2022-12-11 21:04:22,475 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 311 transitions, 3210 flow [2022-12-11 21:04:22,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 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) [2022-12-11 21:04:22,477 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:22,477 INFO L214 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] [2022-12-11 21:04:22,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-11 21:04:22,477 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:22,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:22,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1525477769, now seen corresponding path program 2 times [2022-12-11 21:04:22,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:22,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095954528] [2022-12-11 21:04:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:26,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:26,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095954528] [2022-12-11 21:04:26,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095954528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:26,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:26,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-12-11 21:04:26,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187633323] [2022-12-11 21:04:26,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:26,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-11 21:04:26,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:26,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-11 21:04:26,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=668, Unknown=0, NotChecked=0, Total=812 [2022-12-11 21:04:26,185 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 144 [2022-12-11 21:04:26,187 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 311 transitions, 3210 flow. Second operand has 29 states, 29 states have (on average 84.58620689655173) internal successors, (2453), 29 states have internal predecessors, (2453), 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) [2022-12-11 21:04:26,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:26,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 144 [2022-12-11 21:04:26,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:27,632 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][298], [292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:27,633 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,633 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,633 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,633 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,633 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][283], [6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 158#true, 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:27,633 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,633 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,634 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,634 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,636 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][299], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:27,636 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,636 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,636 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,636 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,637 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][278], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 158#true, 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:27,637 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,637 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,637 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:27,637 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:29,599 INFO L130 PetriNetUnfolder]: 6206/15092 cut-off events. [2022-12-11 21:04:29,599 INFO L131 PetriNetUnfolder]: For 82344/85151 co-relation queries the response was YES. [2022-12-11 21:04:29,670 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68297 conditions, 15092 events. 6206/15092 cut-off events. For 82344/85151 co-relation queries the response was YES. Maximal size of possible extension queue 786. Compared 156356 event pairs, 333 based on Foata normal form. 399/14631 useless extension candidates. Maximal degree in co-relation 68153. Up to 6325 conditions per place. [2022-12-11 21:04:29,725 INFO L137 encePairwiseOnDemand]: 118/144 looper letters, 263 selfloop transitions, 83 changer transitions 88/537 dead transitions. [2022-12-11 21:04:29,725 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 537 transitions, 7143 flow [2022-12-11 21:04:29,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-12-11 21:04:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2022-12-11 21:04:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 3243 transitions. [2022-12-11 21:04:29,731 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6086711711711712 [2022-12-11 21:04:29,731 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 72 predicate places. [2022-12-11 21:04:29,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 210 places, 537 transitions, 7143 flow [2022-12-11 21:04:29,788 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 449 transitions, 5727 flow [2022-12-11 21:04:29,789 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 449 transitions, 5727 flow [2022-12-11 21:04:29,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 84.58620689655173) internal successors, (2453), 29 states have internal predecessors, (2453), 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) [2022-12-11 21:04:29,790 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:29,790 INFO L214 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] [2022-12-11 21:04:29,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-11 21:04:29,790 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:29,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:29,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1731053571, now seen corresponding path program 3 times [2022-12-11 21:04:29,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:29,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820653178] [2022-12-11 21:04:29,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:29,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:31,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:31,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:31,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820653178] [2022-12-11 21:04:31,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820653178] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:31,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:31,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-12-11 21:04:31,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22432749] [2022-12-11 21:04:31,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:31,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-11 21:04:31,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:31,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-11 21:04:31,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2022-12-11 21:04:31,768 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 144 [2022-12-11 21:04:31,770 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 449 transitions, 5727 flow. Second operand has 23 states, 23 states have (on average 88.82608695652173) internal successors, (2043), 23 states have internal predecessors, (2043), 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) [2022-12-11 21:04:31,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:31,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 144 [2022-12-11 21:04:31,770 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:33,141 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][368], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:33,142 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,142 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,142 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,142 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,143 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][346], [378#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 158#true, 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:33,143 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,143 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,143 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,143 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,146 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][345], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 54#L847true, 158#true, 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 309#(= |~#x~0.offset| 0), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:33,146 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,146 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,146 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,146 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:33,205 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][369], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 195#true, 49#L767true, P1Thread1of1ForFork3InUse, 309#(= |~#x~0.offset| 0), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:33,205 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:04:33,205 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:33,205 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:33,205 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:34,886 INFO L130 PetriNetUnfolder]: 6422/15323 cut-off events. [2022-12-11 21:04:34,886 INFO L131 PetriNetUnfolder]: For 115731/119017 co-relation queries the response was YES. [2022-12-11 21:04:34,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76149 conditions, 15323 events. 6422/15323 cut-off events. For 115731/119017 co-relation queries the response was YES. Maximal size of possible extension queue 792. Compared 157200 event pairs, 348 based on Foata normal form. 415/14818 useless extension candidates. Maximal degree in co-relation 75980. Up to 6345 conditions per place. [2022-12-11 21:04:34,983 INFO L137 encePairwiseOnDemand]: 121/144 looper letters, 326 selfloop transitions, 120 changer transitions 64/625 dead transitions. [2022-12-11 21:04:34,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 226 places, 625 transitions, 9563 flow [2022-12-11 21:04:34,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-11 21:04:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-12-11 21:04:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 2643 transitions. [2022-12-11 21:04:34,986 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6329022988505747 [2022-12-11 21:04:34,987 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 88 predicate places. [2022-12-11 21:04:34,987 INFO L82 GeneralOperation]: Start removeDead. Operand has 226 places, 625 transitions, 9563 flow [2022-12-11 21:04:35,045 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 217 places, 561 transitions, 8427 flow [2022-12-11 21:04:35,045 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 561 transitions, 8427 flow [2022-12-11 21:04:35,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 88.82608695652173) internal successors, (2043), 23 states have internal predecessors, (2043), 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) [2022-12-11 21:04:35,046 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:35,046 INFO L214 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] [2022-12-11 21:04:35,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-11 21:04:35,046 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:35,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:35,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1992567911, now seen corresponding path program 4 times [2022-12-11 21:04:35,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:35,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454488324] [2022-12-11 21:04:35,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:35,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:36,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:36,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:36,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454488324] [2022-12-11 21:04:36,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454488324] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:36,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:36,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-11 21:04:36,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96865234] [2022-12-11 21:04:36,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:36,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-11 21:04:36,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:36,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-11 21:04:36,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-12-11 21:04:36,328 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 144 [2022-12-11 21:04:36,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 561 transitions, 8427 flow. Second operand has 12 states, 12 states have (on average 109.5) internal successors, (1314), 12 states have internal predecessors, (1314), 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) [2022-12-11 21:04:36,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:36,329 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 144 [2022-12-11 21:04:36,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:37,576 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][411], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:37,576 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,576 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][365], [378#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:37,577 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,577 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,580 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][364], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:37,580 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,580 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,580 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,581 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:37,667 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][412], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), P1Thread1of1ForFork3InUse, 49#L767true, 309#(= |~#x~0.offset| 0), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:37,668 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:04:37,668 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:37,668 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:37,668 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:39,766 INFO L130 PetriNetUnfolder]: 8572/22040 cut-off events. [2022-12-11 21:04:39,766 INFO L131 PetriNetUnfolder]: For 195404/199704 co-relation queries the response was YES. [2022-12-11 21:04:39,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107977 conditions, 22040 events. 8572/22040 cut-off events. For 195404/199704 co-relation queries the response was YES. Maximal size of possible extension queue 1263. Compared 253353 event pairs, 559 based on Foata normal form. 769/21748 useless extension candidates. Maximal degree in co-relation 107792. Up to 9397 conditions per place. [2022-12-11 21:04:39,944 INFO L137 encePairwiseOnDemand]: 129/144 looper letters, 386 selfloop transitions, 159 changer transitions 85/763 dead transitions. [2022-12-11 21:04:39,944 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 763 transitions, 13411 flow [2022-12-11 21:04:39,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-11 21:04:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-11 21:04:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 2021 transitions. [2022-12-11 21:04:39,950 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7797067901234568 [2022-12-11 21:04:39,951 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 96 predicate places. [2022-12-11 21:04:39,951 INFO L82 GeneralOperation]: Start removeDead. Operand has 234 places, 763 transitions, 13411 flow [2022-12-11 21:04:40,035 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 225 places, 678 transitions, 11709 flow [2022-12-11 21:04:40,036 INFO L495 AbstractCegarLoop]: Abstraction has has 225 places, 678 transitions, 11709 flow [2022-12-11 21:04:40,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 109.5) internal successors, (1314), 12 states have internal predecessors, (1314), 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) [2022-12-11 21:04:40,038 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:40,038 INFO L214 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] [2022-12-11 21:04:40,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-11 21:04:40,038 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:40,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:40,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1632430525, now seen corresponding path program 5 times [2022-12-11 21:04:40,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:40,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451572832] [2022-12-11 21:04:40,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:40,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:40,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:41,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:41,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451572832] [2022-12-11 21:04:41,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451572832] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:41,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:41,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-12-11 21:04:41,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842566796] [2022-12-11 21:04:41,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:41,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-12-11 21:04:41,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:41,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-12-11 21:04:41,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2022-12-11 21:04:41,265 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 144 [2022-12-11 21:04:41,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 678 transitions, 11709 flow. Second operand has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 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) [2022-12-11 21:04:41,267 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:41,267 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 144 [2022-12-11 21:04:41,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:42,590 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][420], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:42,590 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,590 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,590 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,590 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,590 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][378], [378#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 174#true, 54#L847true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:42,591 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,591 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,591 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,591 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,594 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][377], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:42,594 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,594 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,594 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,594 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:42,697 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][421], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), P1Thread1of1ForFork3InUse, 49#L767true, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:42,698 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:04:42,698 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:42,698 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:42,698 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:45,052 INFO L130 PetriNetUnfolder]: 9530/24826 cut-off events. [2022-12-11 21:04:45,053 INFO L131 PetriNetUnfolder]: For 258171/264041 co-relation queries the response was YES. [2022-12-11 21:04:45,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127701 conditions, 24826 events. 9530/24826 cut-off events. For 258171/264041 co-relation queries the response was YES. Maximal size of possible extension queue 1409. Compared 293398 event pairs, 670 based on Foata normal form. 1211/24890 useless extension candidates. Maximal degree in co-relation 127496. Up to 10721 conditions per place. [2022-12-11 21:04:45,223 INFO L137 encePairwiseOnDemand]: 128/144 looper letters, 462 selfloop transitions, 129 changer transitions 67/787 dead transitions. [2022-12-11 21:04:45,223 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 787 transitions, 15243 flow [2022-12-11 21:04:45,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-11 21:04:45,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-11 21:04:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1934 transitions. [2022-12-11 21:04:45,227 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.746141975308642 [2022-12-11 21:04:45,227 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 104 predicate places. [2022-12-11 21:04:45,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 242 places, 787 transitions, 15243 flow [2022-12-11 21:04:45,310 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 236 places, 720 transitions, 13743 flow [2022-12-11 21:04:45,310 INFO L495 AbstractCegarLoop]: Abstraction has has 236 places, 720 transitions, 13743 flow [2022-12-11 21:04:45,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 105.0) internal successors, (1785), 17 states have internal predecessors, (1785), 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) [2022-12-11 21:04:45,311 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:45,311 INFO L214 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] [2022-12-11 21:04:45,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-11 21:04:45,311 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:45,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1440051413, now seen corresponding path program 1 times [2022-12-11 21:04:45,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:45,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006483766] [2022-12-11 21:04:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:45,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:45,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:45,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:45,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006483766] [2022-12-11 21:04:45,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006483766] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:45,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:45,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 21:04:45,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501512752] [2022-12-11 21:04:45,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:45,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 21:04:45,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:45,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 21:04:45,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-11 21:04:45,470 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 144 [2022-12-11 21:04:45,471 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 720 transitions, 13743 flow. Second operand has 8 states, 8 states have (on average 120.25) internal successors, (962), 8 states have internal predecessors, (962), 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) [2022-12-11 21:04:45,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:45,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 144 [2022-12-11 21:04:45,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:47,153 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][418], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:47,153 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,153 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,153 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,153 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,154 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][374], [378#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 309#(= |~#x~0.offset| 0), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:47,154 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,154 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,154 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,154 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,158 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][373], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:47,159 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,159 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,159 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,159 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:47,368 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][419], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 49#L767true, P1Thread1of1ForFork3InUse, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:47,368 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:04:47,368 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:47,369 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:47,369 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:49,521 INFO L130 PetriNetUnfolder]: 7249/20427 cut-off events. [2022-12-11 21:04:49,522 INFO L131 PetriNetUnfolder]: For 228303/235731 co-relation queries the response was YES. [2022-12-11 21:04:49,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109653 conditions, 20427 events. 7249/20427 cut-off events. For 228303/235731 co-relation queries the response was YES. Maximal size of possible extension queue 1403. Compared 253630 event pairs, 212 based on Foata normal form. 1739/21384 useless extension candidates. Maximal degree in co-relation 109444. Up to 7857 conditions per place. [2022-12-11 21:04:49,645 INFO L137 encePairwiseOnDemand]: 133/144 looper letters, 427 selfloop transitions, 37 changer transitions 341/990 dead transitions. [2022-12-11 21:04:49,645 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 990 transitions, 21383 flow [2022-12-11 21:04:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-11 21:04:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-11 21:04:49,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1768 transitions. [2022-12-11 21:04:49,647 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.876984126984127 [2022-12-11 21:04:49,647 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 109 predicate places. [2022-12-11 21:04:49,647 INFO L82 GeneralOperation]: Start removeDead. Operand has 247 places, 990 transitions, 21383 flow [2022-12-11 21:04:49,701 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 247 places, 649 transitions, 12787 flow [2022-12-11 21:04:49,701 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 649 transitions, 12787 flow [2022-12-11 21:04:49,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 120.25) internal successors, (962), 8 states have internal predecessors, (962), 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) [2022-12-11 21:04:49,701 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:49,701 INFO L214 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, 1, 1] [2022-12-11 21:04:49,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-11 21:04:49,702 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:49,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:49,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1325944232, now seen corresponding path program 1 times [2022-12-11 21:04:49,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:49,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632514181] [2022-12-11 21:04:49,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:49,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:52,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:52,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:52,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632514181] [2022-12-11 21:04:52,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632514181] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:52,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:52,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-12-11 21:04:52,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537937524] [2022-12-11 21:04:52,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:52,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-12-11 21:04:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:52,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-12-11 21:04:52,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-12-11 21:04:52,215 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 144 [2022-12-11 21:04:52,217 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 649 transitions, 12787 flow. Second operand has 28 states, 28 states have (on average 84.67857142857143) internal successors, (2371), 28 states have internal predecessors, (2371), 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) [2022-12-11 21:04:52,217 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:52,217 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 144 [2022-12-11 21:04:52,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:04:54,082 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][442], [378#true, 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 309#(= |~#x~0.offset| 0), 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:54,082 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,082 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,082 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,082 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,083 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][501], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 522#true, 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, P1Thread1of1ForFork3InUse, 49#L767true, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:04:54,083 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,083 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,083 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,083 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,087 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][443], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:54,087 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,087 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,087 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,087 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:04:54,214 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][502], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:04:54,214 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:04:54,214 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:54,214 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:54,214 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:04:55,755 INFO L130 PetriNetUnfolder]: 6514/20526 cut-off events. [2022-12-11 21:04:55,755 INFO L131 PetriNetUnfolder]: For 210732/215299 co-relation queries the response was YES. [2022-12-11 21:04:55,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 109811 conditions, 20526 events. 6514/20526 cut-off events. For 210732/215299 co-relation queries the response was YES. Maximal size of possible extension queue 1536. Compared 270492 event pairs, 225 based on Foata normal form. 503/20076 useless extension candidates. Maximal degree in co-relation 109573. Up to 6639 conditions per place. [2022-12-11 21:04:55,889 INFO L137 encePairwiseOnDemand]: 117/144 looper letters, 459 selfloop transitions, 203 changer transitions 28/823 dead transitions. [2022-12-11 21:04:55,890 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 280 places, 823 transitions, 18416 flow [2022-12-11 21:04:55,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-11 21:04:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-12-11 21:04:55,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 2934 transitions. [2022-12-11 21:04:55,892 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5992647058823529 [2022-12-11 21:04:55,894 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 142 predicate places. [2022-12-11 21:04:55,894 INFO L82 GeneralOperation]: Start removeDead. Operand has 280 places, 823 transitions, 18416 flow [2022-12-11 21:04:55,957 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 271 places, 795 transitions, 17728 flow [2022-12-11 21:04:55,958 INFO L495 AbstractCegarLoop]: Abstraction has has 271 places, 795 transitions, 17728 flow [2022-12-11 21:04:55,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 84.67857142857143) internal successors, (2371), 28 states have internal predecessors, (2371), 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) [2022-12-11 21:04:55,959 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:04:55,959 INFO L214 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, 1, 1] [2022-12-11 21:04:55,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-11 21:04:55,959 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:04:55,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:04:55,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1612696244, now seen corresponding path program 2 times [2022-12-11 21:04:55,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:04:55,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459408537] [2022-12-11 21:04:55,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:04:55,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:04:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:04:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:04:58,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:04:58,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459408537] [2022-12-11 21:04:58,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459408537] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:04:58,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:04:58,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-12-11 21:04:58,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186017791] [2022-12-11 21:04:58,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:04:58,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-12-11 21:04:58,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:04:58,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-12-11 21:04:58,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-12-11 21:04:58,220 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 144 [2022-12-11 21:04:58,222 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 795 transitions, 17728 flow. Second operand has 26 states, 26 states have (on average 87.6923076923077) internal successors, (2280), 26 states have internal predecessors, (2280), 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) [2022-12-11 21:04:58,222 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:04:58,222 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 144 [2022-12-11 21:04:58,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:00,251 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][506], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 522#true, 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, P1Thread1of1ForFork3InUse, 49#L767true, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:05:00,251 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,252 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][441], [378#true, 522#true, 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 174#true, 54#L847true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:05:00,252 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,252 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,252 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,252 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,255 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][442], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 174#true, 54#L847true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:05:00,255 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,255 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,256 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,256 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:00,511 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][507], [378#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), P1Thread1of1ForFork3InUse, 49#L767true, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 127#L840true, 212#true]) [2022-12-11 21:05:00,511 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:00,511 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:00,511 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:00,511 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:01,814 INFO L130 PetriNetUnfolder]: 6661/21326 cut-off events. [2022-12-11 21:05:01,814 INFO L131 PetriNetUnfolder]: For 247793/252851 co-relation queries the response was YES. [2022-12-11 21:05:01,923 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117345 conditions, 21326 events. 6661/21326 cut-off events. For 247793/252851 co-relation queries the response was YES. Maximal size of possible extension queue 1621. Compared 284827 event pairs, 225 based on Foata normal form. 458/20810 useless extension candidates. Maximal degree in co-relation 117081. Up to 6917 conditions per place. [2022-12-11 21:05:01,994 INFO L137 encePairwiseOnDemand]: 117/144 looper letters, 553 selfloop transitions, 124 changer transitions 41/854 dead transitions. [2022-12-11 21:05:01,994 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 854 transitions, 20652 flow [2022-12-11 21:05:01,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-12-11 21:05:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2022-12-11 21:05:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 2685 transitions. [2022-12-11 21:05:01,997 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6215277777777778 [2022-12-11 21:05:01,998 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 162 predicate places. [2022-12-11 21:05:01,998 INFO L82 GeneralOperation]: Start removeDead. Operand has 300 places, 854 transitions, 20652 flow [2022-12-11 21:05:02,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 294 places, 813 transitions, 19572 flow [2022-12-11 21:05:02,073 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 813 transitions, 19572 flow [2022-12-11 21:05:02,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 87.6923076923077) internal successors, (2280), 26 states have internal predecessors, (2280), 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) [2022-12-11 21:05:02,074 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:02,074 INFO L214 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, 1, 1] [2022-12-11 21:05:02,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-11 21:05:02,074 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:02,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:02,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2109472162, now seen corresponding path program 3 times [2022-12-11 21:05:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:02,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65640644] [2022-12-11 21:05:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:02,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:05:04,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:05:04,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:05:04,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65640644] [2022-12-11 21:05:04,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65640644] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:05:04,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:05:04,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-12-11 21:05:04,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112439851] [2022-12-11 21:05:04,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:05:04,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-11 21:05:04,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:05:04,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-11 21:05:04,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2022-12-11 21:05:04,407 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 144 [2022-12-11 21:05:04,409 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 813 transitions, 19572 flow. Second operand has 25 states, 25 states have (on average 87.76) internal successors, (2194), 25 states have internal predecessors, (2194), 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) [2022-12-11 21:05:04,409 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:05:04,409 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 144 [2022-12-11 21:05:04,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:06,517 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][529], [378#true, 292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 626#true, 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 25#L854true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:05:06,517 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][457], [378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:05:06,518 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,518 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,522 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][458], [378#true, 626#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 148#L805true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 54#L847true, 174#true, 158#true, 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 124#L783true, 195#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:05:06,522 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,522 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,522 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,522 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:06,678 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][530], [378#true, 626#true, 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 522#true, 6#L878-4true, 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 148#L805true, 174#true, 158#true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 309#(= |~#x~0.offset| 0), 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 127#L840true, P2Thread1of1ForFork0InUse, 212#true]) [2022-12-11 21:05:06,679 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:06,679 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:06,679 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:06,679 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:08,276 INFO L130 PetriNetUnfolder]: 6697/21527 cut-off events. [2022-12-11 21:05:08,276 INFO L131 PetriNetUnfolder]: For 287934/293046 co-relation queries the response was YES. [2022-12-11 21:05:08,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 122682 conditions, 21527 events. 6697/21527 cut-off events. For 287934/293046 co-relation queries the response was YES. Maximal size of possible extension queue 1638. Compared 288879 event pairs, 228 based on Foata normal form. 390/20950 useless extension candidates. Maximal degree in co-relation 122392. Up to 6992 conditions per place. [2022-12-11 21:05:08,418 INFO L137 encePairwiseOnDemand]: 119/144 looper letters, 587 selfloop transitions, 134 changer transitions 22/879 dead transitions. [2022-12-11 21:05:08,418 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 320 places, 879 transitions, 22914 flow [2022-12-11 21:05:08,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-12-11 21:05:08,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2022-12-11 21:05:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 2421 transitions. [2022-12-11 21:05:08,420 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6226851851851852 [2022-12-11 21:05:08,421 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 182 predicate places. [2022-12-11 21:05:08,421 INFO L82 GeneralOperation]: Start removeDead. Operand has 320 places, 879 transitions, 22914 flow [2022-12-11 21:05:08,494 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 314 places, 857 transitions, 22306 flow [2022-12-11 21:05:08,494 INFO L495 AbstractCegarLoop]: Abstraction has has 314 places, 857 transitions, 22306 flow [2022-12-11 21:05:08,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 87.76) internal successors, (2194), 25 states have internal predecessors, (2194), 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) [2022-12-11 21:05:08,495 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:08,495 INFO L214 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, 1, 1] [2022-12-11 21:05:08,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-11 21:05:08,495 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:08,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:08,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1690460540, now seen corresponding path program 4 times [2022-12-11 21:05:08,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:08,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520166923] [2022-12-11 21:05:08,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:08,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:05:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:05:10,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:05:10,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520166923] [2022-12-11 21:05:10,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520166923] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:05:10,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:05:10,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-12-11 21:05:10,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545220195] [2022-12-11 21:05:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:05:10,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-12-11 21:05:10,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:05:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-11 21:05:10,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=458, Unknown=0, NotChecked=0, Total=552 [2022-12-11 21:05:10,990 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 144 [2022-12-11 21:05:10,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 314 places, 857 transitions, 22306 flow. Second operand has 24 states, 24 states have (on average 88.79166666666667) internal successors, (2131), 24 states have internal predecessors, (2131), 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) [2022-12-11 21:05:10,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:05:10,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 144 [2022-12-11 21:05:10,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:13,376 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][482], [259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 54#L847true, 174#true, 158#true, 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:13,376 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,376 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,376 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,376 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,377 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][559], [292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 49#L767true, P1Thread1of1ForFork3InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:13,377 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,377 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,377 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,377 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,381 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][483], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 54#L847true, 158#true, 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:13,381 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,381 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,381 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,381 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:13,542 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][560], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:13,543 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:13,543 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:13,543 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:13,543 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:13,847 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([650] L794-->L802: Formula: (let ((.cse9 (= (mod v_~x$r_buff0_thd2~0_32 256) 0))) (let ((.cse10 (= (mod v_~x$w_buff0_used~0_229 256) 0)) (.cse7 (= (mod v_~x$r_buff1_thd2~0_30 256) 0)) (.cse8 (= (mod v_~x$w_buff1_used~0_229 256) 0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_228 256) 0))) (.cse4 (not .cse9))) (let ((.cse1 (and .cse11 .cse4)) (.cse3 (not .cse8)) (.cse0 (select |v_#memory_int_252| |v_~#x~0.base_165|)) (.cse2 (not .cse7)) (.cse5 (not .cse10))) (and (= |v_#memory_int_251| (store |v_#memory_int_252| |v_~#x~0.base_165| (store .cse0 |v_~#x~0.offset_165| |v_P1_#t~ite13_27|))) (= v_~x$r_buff0_thd2~0_31 (ite .cse1 0 v_~x$r_buff0_thd2~0_32)) (= (ite (or (and .cse2 .cse3) .cse1) 0 v_~x$w_buff1_used~0_229) v_~x$w_buff1_used~0_228) (let ((.cse6 (= |v_P1_#t~mem11_30| |v_P1Thread1of1ForFork3_#t~mem11_1|))) (or (and .cse4 .cse5 (= |v_P1_#t~ite13_27| v_~x$w_buff0~0_94) (= |v_P1Thread1of1ForFork3_#t~ite12_1| |v_P1_#t~ite12_27|) .cse6) (and (= |v_P1_#t~ite12_27| |v_P1_#t~ite13_27|) (or (and .cse2 .cse3 (= |v_P1_#t~ite12_27| v_~x$w_buff1~0_98) .cse6) (and (or .cse7 .cse8) (= |v_P1_#t~ite12_27| |v_P1_#t~mem11_30|) (= |v_P1_#t~mem11_30| (select .cse0 |v_~#x~0.offset_165|)))) (or .cse9 .cse10)))) (= v_~x$r_buff1_thd2~0_29 (ite (or (and .cse11 (not (= (mod v_~x$r_buff0_thd2~0_31 256) 0))) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_228 256) 0)))) 0 v_~x$r_buff1_thd2~0_30)) (= (ite (and .cse4 .cse5) 0 v_~x$w_buff0_used~0_229) v_~x$w_buff0_used~0_228))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_94, P1Thread1of1ForFork3_#t~mem11=|v_P1Thread1of1ForFork3_#t~mem11_1|, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_252|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_30, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_229, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_32, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_229} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_94, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_251|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_29, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_228, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_31, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_228} AuxVars[|v_P1_#t~mem11_30|, |v_P1_#t~ite12_27|, |v_P1_#t~ite13_27|] AssignedVars[P1Thread1of1ForFork3_#t~mem11, #memory_int, ~x$r_buff1_thd2~0, ~x$w_buff1_used~0, P1Thread1of1ForFork3_#t~ite13, ~x$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite12, ~x$w_buff0_used~0][699], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 501#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 378#true, 626#true, 73#L857true, 522#true, 6#L878-4true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 85#L802true, 309#(= |~#x~0.offset| 0), 576#true, 64#L788true, 127#L840true, 212#true]) [2022-12-11 21:05:13,847 INFO L382 tUnfolder$Statistics]: this new event has 101 ancestors and is cut-off event [2022-12-11 21:05:13,847 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:13,847 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:13,847 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:15,259 INFO L130 PetriNetUnfolder]: 6798/21952 cut-off events. [2022-12-11 21:05:15,259 INFO L131 PetriNetUnfolder]: For 334858/340864 co-relation queries the response was YES. [2022-12-11 21:05:15,356 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129328 conditions, 21952 events. 6798/21952 cut-off events. For 334858/340864 co-relation queries the response was YES. Maximal size of possible extension queue 1677. Compared 296046 event pairs, 240 based on Foata normal form. 481/21458 useless extension candidates. Maximal degree in co-relation 129013. Up to 7126 conditions per place. [2022-12-11 21:05:15,434 INFO L137 encePairwiseOnDemand]: 122/144 looper letters, 666 selfloop transitions, 97 changer transitions 19/919 dead transitions. [2022-12-11 21:05:15,434 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 919 transitions, 25732 flow [2022-12-11 21:05:15,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-11 21:05:15,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2022-12-11 21:05:15,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2533 transitions. [2022-12-11 21:05:15,436 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6282242063492064 [2022-12-11 21:05:15,437 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 203 predicate places. [2022-12-11 21:05:15,437 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 919 transitions, 25732 flow [2022-12-11 21:05:15,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 335 places, 900 transitions, 25164 flow [2022-12-11 21:05:15,521 INFO L495 AbstractCegarLoop]: Abstraction has has 335 places, 900 transitions, 25164 flow [2022-12-11 21:05:15,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 88.79166666666667) internal successors, (2131), 24 states have internal predecessors, (2131), 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) [2022-12-11 21:05:15,521 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:15,521 INFO L214 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, 1, 1] [2022-12-11 21:05:15,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-11 21:05:15,521 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:15,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:15,522 INFO L85 PathProgramCache]: Analyzing trace with hash -2649754, now seen corresponding path program 5 times [2022-12-11 21:05:15,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:15,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23295617] [2022-12-11 21:05:15,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:15,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:05:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:05:17,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:05:17,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23295617] [2022-12-11 21:05:17,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23295617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:05:17,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:05:17,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-12-11 21:05:17,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649569074] [2022-12-11 21:05:17,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:05:17,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-11 21:05:17,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:05:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-11 21:05:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=572, Unknown=0, NotChecked=0, Total=702 [2022-12-11 21:05:17,864 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 144 [2022-12-11 21:05:17,866 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 335 places, 900 transitions, 25164 flow. Second operand has 27 states, 27 states have (on average 85.70370370370371) internal successors, (2314), 27 states have internal predecessors, (2314), 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) [2022-12-11 21:05:17,866 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:05:17,866 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 144 [2022-12-11 21:05:17,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:20,526 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][638], [292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:20,526 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,526 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,526 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,526 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,527 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][541], [259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 54#L847true, 174#true, 158#true, 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:20,527 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,527 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,527 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,527 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,531 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][631], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 54#L847true, 174#true, 158#true, 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:20,532 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,532 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,532 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,532 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,791 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([650] L794-->L802: Formula: (let ((.cse9 (= (mod v_~x$r_buff0_thd2~0_32 256) 0))) (let ((.cse10 (= (mod v_~x$w_buff0_used~0_229 256) 0)) (.cse7 (= (mod v_~x$r_buff1_thd2~0_30 256) 0)) (.cse8 (= (mod v_~x$w_buff1_used~0_229 256) 0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_228 256) 0))) (.cse4 (not .cse9))) (let ((.cse1 (and .cse11 .cse4)) (.cse3 (not .cse8)) (.cse0 (select |v_#memory_int_252| |v_~#x~0.base_165|)) (.cse2 (not .cse7)) (.cse5 (not .cse10))) (and (= |v_#memory_int_251| (store |v_#memory_int_252| |v_~#x~0.base_165| (store .cse0 |v_~#x~0.offset_165| |v_P1_#t~ite13_27|))) (= v_~x$r_buff0_thd2~0_31 (ite .cse1 0 v_~x$r_buff0_thd2~0_32)) (= (ite (or (and .cse2 .cse3) .cse1) 0 v_~x$w_buff1_used~0_229) v_~x$w_buff1_used~0_228) (let ((.cse6 (= |v_P1_#t~mem11_30| |v_P1Thread1of1ForFork3_#t~mem11_1|))) (or (and .cse4 .cse5 (= |v_P1_#t~ite13_27| v_~x$w_buff0~0_94) (= |v_P1Thread1of1ForFork3_#t~ite12_1| |v_P1_#t~ite12_27|) .cse6) (and (= |v_P1_#t~ite12_27| |v_P1_#t~ite13_27|) (or (and .cse2 .cse3 (= |v_P1_#t~ite12_27| v_~x$w_buff1~0_98) .cse6) (and (or .cse7 .cse8) (= |v_P1_#t~ite12_27| |v_P1_#t~mem11_30|) (= |v_P1_#t~mem11_30| (select .cse0 |v_~#x~0.offset_165|)))) (or .cse9 .cse10)))) (= v_~x$r_buff1_thd2~0_29 (ite (or (and .cse11 (not (= (mod v_~x$r_buff0_thd2~0_31 256) 0))) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_228 256) 0)))) 0 v_~x$r_buff1_thd2~0_30)) (= (ite (and .cse4 .cse5) 0 v_~x$w_buff0_used~0_229) v_~x$w_buff0_used~0_228))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_94, P1Thread1of1ForFork3_#t~mem11=|v_P1Thread1of1ForFork3_#t~mem11_1|, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_252|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_30, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_229, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_32, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_229} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_94, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_251|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_29, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_228, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_31, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_228} AuxVars[|v_P1_#t~mem11_30|, |v_P1_#t~ite12_27|, |v_P1_#t~ite13_27|] AssignedVars[P1Thread1of1ForFork3_#t~mem11, #memory_int, ~x$r_buff1_thd2~0, ~x$w_buff1_used~0, P1Thread1of1ForFork3_#t~ite13, ~x$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite12, ~x$w_buff0_used~0][542], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 73#L857true, 522#true, 6#L878-4true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 85#L802true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:20,791 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,791 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,791 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,791 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,792 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][544], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 29#L794true, 626#true, 73#L857true, 522#true, 6#L878-4true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 755#(and (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (or (not (= ~__unbuffered_p2_EAX~0 1)) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0)) (= ~x$r_buff1_thd3~0 0) (or (= ~x$w_buff0_used~0 (* 256 (div ~x$w_buff0_used~0 256))) (= (* 256 (div ~x$r_buff0_thd3~0 256)) ~x$r_buff0_thd3~0)) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= 0 ~x$r_buff0_thd0~0) (= ~x$r_buff1_thd1~0 0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:20,792 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,792 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,792 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,792 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:20,859 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][639], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:20,859 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:20,859 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:20,859 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:20,859 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:21,191 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([650] L794-->L802: Formula: (let ((.cse9 (= (mod v_~x$r_buff0_thd2~0_32 256) 0))) (let ((.cse10 (= (mod v_~x$w_buff0_used~0_229 256) 0)) (.cse7 (= (mod v_~x$r_buff1_thd2~0_30 256) 0)) (.cse8 (= (mod v_~x$w_buff1_used~0_229 256) 0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_228 256) 0))) (.cse4 (not .cse9))) (let ((.cse1 (and .cse11 .cse4)) (.cse3 (not .cse8)) (.cse0 (select |v_#memory_int_252| |v_~#x~0.base_165|)) (.cse2 (not .cse7)) (.cse5 (not .cse10))) (and (= |v_#memory_int_251| (store |v_#memory_int_252| |v_~#x~0.base_165| (store .cse0 |v_~#x~0.offset_165| |v_P1_#t~ite13_27|))) (= v_~x$r_buff0_thd2~0_31 (ite .cse1 0 v_~x$r_buff0_thd2~0_32)) (= (ite (or (and .cse2 .cse3) .cse1) 0 v_~x$w_buff1_used~0_229) v_~x$w_buff1_used~0_228) (let ((.cse6 (= |v_P1_#t~mem11_30| |v_P1Thread1of1ForFork3_#t~mem11_1|))) (or (and .cse4 .cse5 (= |v_P1_#t~ite13_27| v_~x$w_buff0~0_94) (= |v_P1Thread1of1ForFork3_#t~ite12_1| |v_P1_#t~ite12_27|) .cse6) (and (= |v_P1_#t~ite12_27| |v_P1_#t~ite13_27|) (or (and .cse2 .cse3 (= |v_P1_#t~ite12_27| v_~x$w_buff1~0_98) .cse6) (and (or .cse7 .cse8) (= |v_P1_#t~ite12_27| |v_P1_#t~mem11_30|) (= |v_P1_#t~mem11_30| (select .cse0 |v_~#x~0.offset_165|)))) (or .cse9 .cse10)))) (= v_~x$r_buff1_thd2~0_29 (ite (or (and .cse11 (not (= (mod v_~x$r_buff0_thd2~0_31 256) 0))) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_228 256) 0)))) 0 v_~x$r_buff1_thd2~0_30)) (= (ite (and .cse4 .cse5) 0 v_~x$w_buff0_used~0_229) v_~x$w_buff0_used~0_228))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_94, P1Thread1of1ForFork3_#t~mem11=|v_P1Thread1of1ForFork3_#t~mem11_1|, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_252|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_30, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_229, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_32, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_229} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_94, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_251|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_29, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_228, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_31, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_228} AuxVars[|v_P1_#t~mem11_30|, |v_P1_#t~ite12_27|, |v_P1_#t~ite13_27|] AssignedVars[P1Thread1of1ForFork3_#t~mem11, #memory_int, ~x$r_buff1_thd2~0, ~x$w_buff1_used~0, P1Thread1of1ForFork3_#t~ite13, ~x$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite12, ~x$w_buff0_used~0][813], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, P1Thread1of1ForFork3InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 501#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 378#true, 626#true, 73#L857true, 522#true, 6#L878-4true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 85#L802true, 309#(= |~#x~0.offset| 0), 576#true, 64#L788true, 127#L840true, 212#true]) [2022-12-11 21:05:21,192 INFO L382 tUnfolder$Statistics]: this new event has 101 ancestors and is cut-off event [2022-12-11 21:05:21,192 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:21,192 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:21,192 INFO L385 tUnfolder$Statistics]: existing Event has 101 ancestors and is cut-off event [2022-12-11 21:05:23,086 INFO L130 PetriNetUnfolder]: 7640/24044 cut-off events. [2022-12-11 21:05:23,086 INFO L131 PetriNetUnfolder]: For 426443/434301 co-relation queries the response was YES. [2022-12-11 21:05:23,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 150318 conditions, 24044 events. 7640/24044 cut-off events. For 426443/434301 co-relation queries the response was YES. Maximal size of possible extension queue 1842. Compared 325349 event pairs, 273 based on Foata normal form. 642/23610 useless extension candidates. Maximal degree in co-relation 149975. Up to 7743 conditions per place. [2022-12-11 21:05:23,340 INFO L137 encePairwiseOnDemand]: 119/144 looper letters, 683 selfloop transitions, 223 changer transitions 35/1075 dead transitions. [2022-12-11 21:05:23,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 368 places, 1075 transitions, 32858 flow [2022-12-11 21:05:23,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-12-11 21:05:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2022-12-11 21:05:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 2974 transitions. [2022-12-11 21:05:23,343 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6074346405228758 [2022-12-11 21:05:23,344 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 230 predicate places. [2022-12-11 21:05:23,344 INFO L82 GeneralOperation]: Start removeDead. Operand has 368 places, 1075 transitions, 32858 flow [2022-12-11 21:05:23,434 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 359 places, 1040 transitions, 31694 flow [2022-12-11 21:05:23,434 INFO L495 AbstractCegarLoop]: Abstraction has has 359 places, 1040 transitions, 31694 flow [2022-12-11 21:05:23,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 85.70370370370371) internal successors, (2314), 27 states have internal predecessors, (2314), 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) [2022-12-11 21:05:23,435 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:23,435 INFO L214 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, 1, 1, 1] [2022-12-11 21:05:23,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-11 21:05:23,435 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:23,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:23,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1284997637, now seen corresponding path program 1 times [2022-12-11 21:05:23,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:23,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618958299] [2022-12-11 21:05:23,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:23,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:05:23,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:05:23,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:05:23,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618958299] [2022-12-11 21:05:23,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618958299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:05:23,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:05:23,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-11 21:05:23,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833958047] [2022-12-11 21:05:23,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:05:23,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-11 21:05:23,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:05:23,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-11 21:05:23,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-11 21:05:23,616 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 144 [2022-12-11 21:05:23,617 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 359 places, 1040 transitions, 31694 flow. Second operand has 9 states, 9 states have (on average 120.22222222222223) internal successors, (1082), 9 states have internal predecessors, (1082), 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) [2022-12-11 21:05:23,617 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:05:23,617 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 144 [2022-12-11 21:05:23,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:26,243 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][541], [259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 54#L847true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 294#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p0_EBX~0 ~__unbuffered_p2_EAX~0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:26,243 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,243 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,243 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,243 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,244 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][638], [292#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0) (<= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (<= 0 ~x$w_buff1_used~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 49#L767true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:26,244 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,244 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,244 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,244 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,250 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][628], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 54#L847true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:26,250 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,251 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:26,609 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][639], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 49#L767true, P1Thread1of1ForFork3InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:26,609 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:26,609 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:26,609 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:26,609 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:30,066 INFO L130 PetriNetUnfolder]: 7287/23290 cut-off events. [2022-12-11 21:05:30,066 INFO L131 PetriNetUnfolder]: For 430508/439868 co-relation queries the response was YES. [2022-12-11 21:05:30,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 156538 conditions, 23290 events. 7287/23290 cut-off events. For 430508/439868 co-relation queries the response was YES. Maximal size of possible extension queue 1848. Compared 319913 event pairs, 259 based on Foata normal form. 1802/24159 useless extension candidates. Maximal degree in co-relation 156191. Up to 7305 conditions per place. [2022-12-11 21:05:30,219 INFO L137 encePairwiseOnDemand]: 133/144 looper letters, 591 selfloop transitions, 42 changer transitions 239/1043 dead transitions. [2022-12-11 21:05:30,219 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 1043 transitions, 33298 flow [2022-12-11 21:05:30,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-11 21:05:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-11 21:05:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 2112 transitions. [2022-12-11 21:05:30,222 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8627450980392157 [2022-12-11 21:05:30,222 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 236 predicate places. [2022-12-11 21:05:30,222 INFO L82 GeneralOperation]: Start removeDead. Operand has 374 places, 1043 transitions, 33298 flow [2022-12-11 21:05:30,291 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 368 places, 804 transitions, 24779 flow [2022-12-11 21:05:30,291 INFO L495 AbstractCegarLoop]: Abstraction has has 368 places, 804 transitions, 24779 flow [2022-12-11 21:05:30,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 120.22222222222223) internal successors, (1082), 9 states have internal predecessors, (1082), 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) [2022-12-11 21:05:30,291 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:30,292 INFO L214 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, 1, 1, 1, 1, 1, 1] [2022-12-11 21:05:30,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-11 21:05:30,292 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:30,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:30,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1741377550, now seen corresponding path program 1 times [2022-12-11 21:05:30,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:30,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571176319] [2022-12-11 21:05:30,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:30,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:05:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:05:33,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:05:33,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571176319] [2022-12-11 21:05:33,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571176319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:05:33,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:05:33,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-12-11 21:05:33,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817476889] [2022-12-11 21:05:33,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:05:33,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-12-11 21:05:33,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:05:33,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-12-11 21:05:33,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2022-12-11 21:05:33,372 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 144 [2022-12-11 21:05:33,373 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 368 places, 804 transitions, 24779 flow. Second operand has 29 states, 29 states have (on average 84.72413793103448) internal successors, (2457), 29 states have internal predecessors, (2457), 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) [2022-12-11 21:05:33,373 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:05:33,373 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 144 [2022-12-11 21:05:33,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:05:35,306 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([650] L794-->L802: Formula: (let ((.cse9 (= (mod v_~x$r_buff0_thd2~0_32 256) 0))) (let ((.cse10 (= (mod v_~x$w_buff0_used~0_229 256) 0)) (.cse7 (= (mod v_~x$r_buff1_thd2~0_30 256) 0)) (.cse8 (= (mod v_~x$w_buff1_used~0_229 256) 0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_228 256) 0))) (.cse4 (not .cse9))) (let ((.cse1 (and .cse11 .cse4)) (.cse3 (not .cse8)) (.cse0 (select |v_#memory_int_252| |v_~#x~0.base_165|)) (.cse2 (not .cse7)) (.cse5 (not .cse10))) (and (= |v_#memory_int_251| (store |v_#memory_int_252| |v_~#x~0.base_165| (store .cse0 |v_~#x~0.offset_165| |v_P1_#t~ite13_27|))) (= v_~x$r_buff0_thd2~0_31 (ite .cse1 0 v_~x$r_buff0_thd2~0_32)) (= (ite (or (and .cse2 .cse3) .cse1) 0 v_~x$w_buff1_used~0_229) v_~x$w_buff1_used~0_228) (let ((.cse6 (= |v_P1_#t~mem11_30| |v_P1Thread1of1ForFork3_#t~mem11_1|))) (or (and .cse4 .cse5 (= |v_P1_#t~ite13_27| v_~x$w_buff0~0_94) (= |v_P1Thread1of1ForFork3_#t~ite12_1| |v_P1_#t~ite12_27|) .cse6) (and (= |v_P1_#t~ite12_27| |v_P1_#t~ite13_27|) (or (and .cse2 .cse3 (= |v_P1_#t~ite12_27| v_~x$w_buff1~0_98) .cse6) (and (or .cse7 .cse8) (= |v_P1_#t~ite12_27| |v_P1_#t~mem11_30|) (= |v_P1_#t~mem11_30| (select .cse0 |v_~#x~0.offset_165|)))) (or .cse9 .cse10)))) (= v_~x$r_buff1_thd2~0_29 (ite (or (and .cse11 (not (= (mod v_~x$r_buff0_thd2~0_31 256) 0))) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_228 256) 0)))) 0 v_~x$r_buff1_thd2~0_30)) (= (ite (and .cse4 .cse5) 0 v_~x$w_buff0_used~0_229) v_~x$w_buff0_used~0_228))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_94, P1Thread1of1ForFork3_#t~mem11=|v_P1Thread1of1ForFork3_#t~mem11_1|, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_252|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_30, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_229, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_32, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_229} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_94, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_251|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_29, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_228, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_31, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_228} AuxVars[|v_P1_#t~mem11_30|, |v_P1_#t~ite12_27|, |v_P1_#t~ite13_27|] AssignedVars[P1Thread1of1ForFork3_#t~mem11, #memory_int, ~x$r_buff1_thd2~0, ~x$w_buff1_used~0, P1Thread1of1ForFork3_#t~ite13, ~x$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite12, ~x$w_buff0_used~0][486], [843#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (or (not (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 73#L857true, 522#true, 6#L878-4true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 85#L802true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:35,307 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,307 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,307 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,307 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,442 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][549], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 54#L847true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 124#L783true, P1Thread1of1ForFork3InUse, 845#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (or (not (= ~__unbuffered_p0_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:35,442 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,442 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,442 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,442 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,551 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][488], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 845#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (or (not (= ~__unbuffered_p0_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, 669#true, P2Thread1of1ForFork0InUse, 378#true, 29#L794true, 626#true, 73#L857true, 522#true, 6#L878-4true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 755#(and (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (or (not (= ~__unbuffered_p2_EAX~0 1)) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0)) (= ~x$r_buff1_thd3~0 0) (or (= ~x$w_buff0_used~0 (* 256 (div ~x$w_buff0_used~0 256))) (= (* 256 (div ~x$r_buff0_thd3~0 256)) ~x$r_buff0_thd3~0)) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= 0 ~x$r_buff0_thd0~0) (= ~x$r_buff1_thd1~0 0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:35,552 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,552 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,552 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,552 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,552 INFO L380 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([650] L794-->L802: Formula: (let ((.cse9 (= (mod v_~x$r_buff0_thd2~0_32 256) 0))) (let ((.cse10 (= (mod v_~x$w_buff0_used~0_229 256) 0)) (.cse7 (= (mod v_~x$r_buff1_thd2~0_30 256) 0)) (.cse8 (= (mod v_~x$w_buff1_used~0_229 256) 0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_228 256) 0))) (.cse4 (not .cse9))) (let ((.cse1 (and .cse11 .cse4)) (.cse3 (not .cse8)) (.cse0 (select |v_#memory_int_252| |v_~#x~0.base_165|)) (.cse2 (not .cse7)) (.cse5 (not .cse10))) (and (= |v_#memory_int_251| (store |v_#memory_int_252| |v_~#x~0.base_165| (store .cse0 |v_~#x~0.offset_165| |v_P1_#t~ite13_27|))) (= v_~x$r_buff0_thd2~0_31 (ite .cse1 0 v_~x$r_buff0_thd2~0_32)) (= (ite (or (and .cse2 .cse3) .cse1) 0 v_~x$w_buff1_used~0_229) v_~x$w_buff1_used~0_228) (let ((.cse6 (= |v_P1_#t~mem11_30| |v_P1Thread1of1ForFork3_#t~mem11_1|))) (or (and .cse4 .cse5 (= |v_P1_#t~ite13_27| v_~x$w_buff0~0_94) (= |v_P1Thread1of1ForFork3_#t~ite12_1| |v_P1_#t~ite12_27|) .cse6) (and (= |v_P1_#t~ite12_27| |v_P1_#t~ite13_27|) (or (and .cse2 .cse3 (= |v_P1_#t~ite12_27| v_~x$w_buff1~0_98) .cse6) (and (or .cse7 .cse8) (= |v_P1_#t~ite12_27| |v_P1_#t~mem11_30|) (= |v_P1_#t~mem11_30| (select .cse0 |v_~#x~0.offset_165|)))) (or .cse9 .cse10)))) (= v_~x$r_buff1_thd2~0_29 (ite (or (and .cse11 (not (= (mod v_~x$r_buff0_thd2~0_31 256) 0))) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_228 256) 0)))) 0 v_~x$r_buff1_thd2~0_30)) (= (ite (and .cse4 .cse5) 0 v_~x$w_buff0_used~0_229) v_~x$w_buff0_used~0_228))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_94, P1Thread1of1ForFork3_#t~mem11=|v_P1Thread1of1ForFork3_#t~mem11_1|, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_252|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_30, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_229, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_32, P1Thread1of1ForFork3_#t~ite12=|v_P1Thread1of1ForFork3_#t~ite12_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_229} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_94, ~#x~0.offset=|v_~#x~0.offset_165|, ~x$w_buff1~0=v_~x$w_buff1~0_98, #memory_int=|v_#memory_int_251|, ~#x~0.base=|v_~#x~0.base_165|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_29, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_228, P1Thread1of1ForFork3_#t~ite13=|v_P1Thread1of1ForFork3_#t~ite13_1|, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_31, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_228} AuxVars[|v_P1_#t~mem11_30|, |v_P1_#t~ite12_27|, |v_P1_#t~ite13_27|] AssignedVars[P1Thread1of1ForFork3_#t~mem11, #memory_int, ~x$r_buff1_thd2~0, ~x$w_buff1_used~0, P1Thread1of1ForFork3_#t~ite13, ~x$r_buff0_thd2~0, P1Thread1of1ForFork3_#t~ite12, ~x$w_buff0_used~0][486], [843#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (or (not (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P1Thread1of1ForFork3InUse, 49#L767true, P3Thread1of1ForFork2InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 73#L857true, 522#true, 6#L878-4true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 85#L802true, 309#(= |~#x~0.offset| 0), 576#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 127#L840true, 212#true]) [2022-12-11 21:05:35,552 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L380 tUnfolder$Statistics]: inserting event number 5 for the transition-marking pair ([644] L767-->L783: Formula: (let ((.cse6 (= (mod v_~x$r_buff1_thd1~0_54 256) 0)) (.cse12 (= (mod v_~x$w_buff1_used~0_217 256) 0)) (.cse16 (= (mod v_~x$w_buff0_used~0_217 256) 0)) (.cse13 (= (mod v_~x$r_buff0_thd1~0_55 256) 0))) (let ((.cse4 (= 0 (mod v_~weak$$choice2~0_78 256))) (.cse10 (not .cse13)) (.cse11 (not .cse16)) (.cse15 (and .cse12 .cse13)) (.cse14 (and .cse13 .cse6)) (.cse3 (select |v_#memory_int_236| |v_~#x~0.base_159|))) (let ((.cse5 (select .cse3 |v_~#x~0.offset_159|)) (.cse1 (or .cse15 .cse14 .cse16)) (.cse2 (and .cse10 .cse11)) (.cse9 (= (mod v_~x$w_buff1_used~0_216 256) 0)) (.cse0 (not .cse4)) (.cse8 (= (mod v_~x$w_buff0_used~0_216 256) 0))) (and (= v_~x$w_buff1~0_90 v_~x$w_buff1~0_91) (= v_~x$w_buff0~0_87 v_~x$w_buff0~0_86) (= (ite .cse0 v_~x$w_buff0_used~0_217 (ite .cse1 v_~x$w_buff0_used~0_217 (ite .cse2 0 v_~x$w_buff0_used~0_217))) v_~x$w_buff0_used~0_216) (= v_~x$flush_delayed~0_68 0) (= |v_P0Thread1of1ForFork1_#t~nondet3_1| v_~weak$$choice0~0_20) (= |v_#memory_int_235| (store |v_#memory_int_236| |v_~#x~0.base_159| (store .cse3 |v_~#x~0.offset_159| |v_P0_#t~ite10_29|))) (or (and (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem9_32|) (= |v_P0_#t~ite10_29| |v_P0_#t~mem9_32|) .cse4) (and .cse0 (= |v_P0_#t~ite10_29| v_~x$mem_tmp~0_40) (= |v_P0_#t~mem9_32| |v_P0Thread1of1ForFork1_#t~mem9_1|))) (= .cse5 v_~x$mem_tmp~0_40) (= v_~x$r_buff1_thd1~0_53 (ite .cse0 v_~x$r_buff1_thd1~0_54 (ite (let ((.cse7 (= (mod v_~x$r_buff0_thd1~0_54 256) 0))) (or (and .cse6 .cse7) .cse8 (and .cse7 .cse9))) v_~x$r_buff1_thd1~0_54 0))) (or (and (= .cse5 |v_P0_#t~mem6_34|) (= v_~__unbuffered_p0_EBX~0_22 |v_P0_#t~mem6_34|) .cse1) (and (= (ite .cse2 v_~x$w_buff0~0_87 v_~x$w_buff1~0_91) v_~__unbuffered_p0_EBX~0_22) (or (not .cse6) .cse10) .cse11 (or (not .cse12) .cse10) (= |v_P0_#t~mem6_34| |v_P0Thread1of1ForFork1_#t~mem6_1|))) (= (ite .cse0 v_~x$r_buff0_thd1~0_55 (ite (or (and .cse13 .cse9) .cse14 .cse8) v_~x$r_buff0_thd1~0_55 (ite (and .cse10 (not .cse8)) 0 v_~x$r_buff0_thd1~0_55))) v_~x$r_buff0_thd1~0_54) (= |v_P0Thread1of1ForFork1_#t~nondet4_1| v_~weak$$choice2~0_78) (= (ite .cse0 v_~x$w_buff1_used~0_217 (ite (or .cse15 .cse14 .cse8) v_~x$w_buff1_used~0_217 0)) v_~x$w_buff1_used~0_216))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_87, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_55, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_91, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_217, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_54, P0Thread1of1ForFork1_#t~mem9=|v_P0Thread1of1ForFork1_#t~mem9_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217, P0Thread1of1ForFork1_#t~mem6=|v_P0Thread1of1ForFork1_#t~mem6_1|, #memory_int=|v_#memory_int_236|, ~#x~0.base=|v_~#x~0.base_159|, P0Thread1of1ForFork1_#t~nondet3=|v_P0Thread1of1ForFork1_#t~nondet3_1|, P0Thread1of1ForFork1_#t~nondet4=|v_P0Thread1of1ForFork1_#t~nondet4_1|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_86, P0Thread1of1ForFork1_#t~ite10=|v_P0Thread1of1ForFork1_#t~ite10_1|, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_54, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_22, ~x$flush_delayed~0=v_~x$flush_delayed~0_68, ~#x~0.offset=|v_~#x~0.offset_159|, ~x$w_buff1~0=v_~x$w_buff1~0_90, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_216, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_53, ~x$mem_tmp~0=v_~x$mem_tmp~0_40, P0Thread1of1ForFork1_#t~mem8=|v_P0Thread1of1ForFork1_#t~mem8_1|, P0Thread1of1ForFork1_#t~mem5=|v_P0Thread1of1ForFork1_#t~mem5_1|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216, ~weak$$choice0~0=v_~weak$$choice0~0_20, P0Thread1of1ForFork1_#t~ite7=|v_P0Thread1of1ForFork1_#t~ite7_1|, #memory_int=|v_#memory_int_235|, ~#x~0.base=|v_~#x~0.base_159|, ~weak$$choice2~0=v_~weak$$choice2~0_78} AuxVars[|v_P0_#t~mem9_32|, |v_P0_#t~ite10_29|, |v_P0_#t~mem6_34|] AssignedVars[~x$w_buff0~0, P0Thread1of1ForFork1_#t~ite10, ~x$r_buff0_thd1~0, ~__unbuffered_p0_EBX~0, ~x$flush_delayed~0, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$r_buff1_thd1~0, P0Thread1of1ForFork1_#t~mem9, ~x$mem_tmp~0, P0Thread1of1ForFork1_#t~mem8, P0Thread1of1ForFork1_#t~mem5, ~x$w_buff0_used~0, P0Thread1of1ForFork1_#t~mem6, ~weak$$choice0~0, P0Thread1of1ForFork1_#t~ite7, #memory_int, P0Thread1of1ForFork1_#t~nondet3, ~weak$$choice2~0, P0Thread1of1ForFork1_#t~nondet4][488], [283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 124#L783true, P1Thread1of1ForFork3InUse, P3Thread1of1ForFork2InUse, 845#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (or (not (= ~__unbuffered_p0_EBX~0 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 29#L794true, 626#true, 73#L857true, 522#true, 6#L878-4true, 481#(and (= 0 ~x$w_buff1~0) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 755#(and (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (or (not (= ~__unbuffered_p2_EAX~0 1)) (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p2_EAX~0)) (= ~x$r_buff1_thd3~0 0) (or (= ~x$w_buff0_used~0 (* 256 (div ~x$w_buff0_used~0 256))) (= (* 256 (div ~x$r_buff0_thd3~0 256)) ~x$r_buff0_thd3~0)) (= ~x$r_buff1_thd0~0 0) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= 0 ~x$r_buff0_thd0~0) (= ~x$r_buff1_thd1~0 0)), 440#(and (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) ~__unbuffered_p0_EBX~0) (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 195#true, 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 309#(= |~#x~0.offset| 0), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:35,553 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,553 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2022-12-11 21:05:35,628 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([663] L847-->L854: Formula: (let ((.cse0 (= (mod v_~x$r_buff0_thd4~0_30 256) 0))) (let ((.cse6 (= (mod v_~x$r_buff1_thd4~0_26 256) 0)) (.cse7 (= (mod v_~x$w_buff1_used~0_225 256) 0)) (.cse9 (not .cse0)) (.cse11 (not (= (mod v_~x$w_buff0_used~0_224 256) 0))) (.cse1 (= (mod v_~x$w_buff0_used~0_225 256) 0))) (let ((.cse8 (not .cse1)) (.cse10 (and .cse9 .cse11)) (.cse4 (not .cse7)) (.cse5 (select |v_#memory_int_244| |v_~#x~0.base_163|)) (.cse2 (not .cse6))) (and (let ((.cse3 (= |v_P3_#t~mem25_34| |v_P3Thread1of1ForFork2_#t~mem25_1|))) (or (and (= |v_P3_#t~ite27_33| |v_P3_#t~ite26_31|) (or .cse0 .cse1) (or (and .cse2 .cse3 .cse4 (= |v_P3_#t~ite26_31| v_~x$w_buff1~0_96)) (and (= |v_P3_#t~ite26_31| |v_P3_#t~mem25_34|) (= |v_P3_#t~mem25_34| (select .cse5 |v_~#x~0.offset_163|)) (or .cse6 .cse7)))) (and .cse3 .cse8 (= |v_P3Thread1of1ForFork2_#t~ite26_1| |v_P3_#t~ite26_31|) (= |v_P3_#t~ite27_33| v_~x$w_buff0~0_92) .cse9))) (= (ite .cse10 0 v_~x$r_buff0_thd4~0_30) v_~x$r_buff0_thd4~0_29) (= v_~x$w_buff0_used~0_224 (ite (and .cse8 .cse9) 0 v_~x$w_buff0_used~0_225)) (= (ite (or .cse10 (and .cse2 .cse4)) 0 v_~x$w_buff1_used~0_225) v_~x$w_buff1_used~0_224) (= (store |v_#memory_int_244| |v_~#x~0.base_163| (store .cse5 |v_~#x~0.offset_163| |v_P3_#t~ite27_33|)) |v_#memory_int_243|) (= v_~x$r_buff1_thd4~0_25 (ite (or (and (not (= (mod v_~x$r_buff0_thd4~0_29 256) 0)) .cse11) (and .cse2 (not (= (mod v_~x$w_buff1_used~0_224 256) 0)))) 0 v_~x$r_buff1_thd4~0_26)))))) InVars {~x$w_buff0~0=v_~x$w_buff0~0_92, P3Thread1of1ForFork2_#t~mem25=|v_P3Thread1of1ForFork2_#t~mem25_1|, ~#x~0.offset=|v_~#x~0.offset_163|, ~x$w_buff1~0=v_~x$w_buff1~0_96, P3Thread1of1ForFork2_#t~ite26=|v_P3Thread1of1ForFork2_#t~ite26_1|, #memory_int=|v_#memory_int_244|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_225, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_30, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_26, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_225} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_92, ~#x~0.offset=|v_~#x~0.offset_163|, P3Thread1of1ForFork2_#t~ite27=|v_P3Thread1of1ForFork2_#t~ite27_1|, ~x$w_buff1~0=v_~x$w_buff1~0_96, #memory_int=|v_#memory_int_243|, ~#x~0.base=|v_~#x~0.base_163|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_224, ~x$r_buff0_thd4~0=v_~x$r_buff0_thd4~0_29, ~x$r_buff1_thd4~0=v_~x$r_buff1_thd4~0_25, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_224} AuxVars[|v_P3_#t~mem25_34|, |v_P3_#t~ite26_31|, |v_P3_#t~ite27_33|] AssignedVars[P3Thread1of1ForFork2_#t~mem25, P3Thread1of1ForFork2_#t~ite27, P3Thread1of1ForFork2_#t~ite26, #memory_int, ~x$w_buff1_used~0, ~x$r_buff0_thd4~0, ~x$r_buff1_thd4~0, ~x$w_buff0_used~0][556], [843#(and (= 0 ~x$w_buff1~0) (= ~__unbuffered_p2_EAX$read_delayed~0 1) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= |~#x~0.base| ~__unbuffered_p2_EAX$read_delayed_var~0.base) (= (select |#valid| 3) 1) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd2~0) (= |~#x~0.base| 3) (= ~x$r_buff1_thd0~0 0) (or (not (= (select (select |#memory_int| |~#x~0.base|) |~#x~0.offset|) 0)) (not (= ~__unbuffered_p2_EAX~0 1))) (= ~__unbuffered_p2_EAX$read_delayed_var~0.offset |~#x~0.offset|) (= ~x$w_buff0_used~0 0) (<= ~x$w_buff1_used~0 0) (not (= |ULTIMATE.start_main_~#t2246~0#1.base| 3)) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0) (not (= |ULTIMATE.start_main_~#t2248~0#1.base| 3)) (<= 0 ~x$w_buff1_used~0) (= ~x$r_buff1_thd1~0 0) (not (= |ULTIMATE.start_main_~#t2245~0#1.base| 3))), 283#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$w_buff0_used~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), 259#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 717#true, 174#true, 158#true, 788#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 49#L767true, P1Thread1of1ForFork3InUse, 472#(and (= 0 ~x$w_buff1~0) (= ~x$w_buff1_used~0 0) (= 0 ~x$r_buff0_thd4~0) (= 0 ~x$r_buff0_thd1~0) (= ~x$r_buff1_thd4~0 0) (= ~x$r_buff1_thd3~0 0) (= 0 ~x$r_buff0_thd3~0) (= 0 ~x$r_buff0_thd0~0)), P3Thread1of1ForFork2InUse, 242#(and (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), P0Thread1of1ForFork1InUse, P2Thread1of1ForFork0InUse, 669#true, 378#true, 626#true, 522#true, 6#L878-4true, 148#L805true, 25#L854true, 195#true, 432#(and (= 0 ~x$r_buff0_thd1~0) (= 0 ~x$w_buff0~0) (= ~x$w_buff1~0 ~x$w_buff0~0) (= ~x$r_buff1_thd1~0 0)), 309#(= |~#x~0.offset| 0), 509#(and (<= ~__unbuffered_cnt~0 2) (<= ~main$tmp_guard0~0 0) (<= 0 ~main$tmp_guard0~0)), 576#true, 127#L840true, 212#true]) [2022-12-11 21:05:35,629 INFO L382 tUnfolder$Statistics]: this new event has 99 ancestors and is not cut-off event [2022-12-11 21:05:35,629 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:35,629 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:35,629 INFO L385 tUnfolder$Statistics]: existing Event has 99 ancestors and is not cut-off event [2022-12-11 21:05:37,158 INFO L130 PetriNetUnfolder]: 6090/19836 cut-off events. [2022-12-11 21:05:37,158 INFO L131 PetriNetUnfolder]: For 384200/391576 co-relation queries the response was YES. [2022-12-11 21:05:37,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 134744 conditions, 19836 events. 6090/19836 cut-off events. For 384200/391576 co-relation queries the response was YES. Maximal size of possible extension queue 1574. Compared 267962 event pairs, 215 based on Foata normal form. 505/19552 useless extension candidates. Maximal degree in co-relation 134367. Up to 6134 conditions per place. [2022-12-11 21:05:37,260 INFO L137 encePairwiseOnDemand]: 120/144 looper letters, 256 selfloop transitions, 60 changer transitions 387/832 dead transitions. [2022-12-11 21:05:37,260 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 392 places, 832 transitions, 27189 flow [2022-12-11 21:05:37,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-12-11 21:05:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2022-12-11 21:05:37,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 2146 transitions. [2022-12-11 21:05:37,288 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5961111111111111 [2022-12-11 21:05:37,288 INFO L295 CegarLoopForPetriNet]: 138 programPoint places, 254 predicate places. [2022-12-11 21:05:37,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 392 places, 832 transitions, 27189 flow [2022-12-11 21:05:37,333 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 383 places, 445 transitions, 12269 flow [2022-12-11 21:05:37,336 INFO L495 AbstractCegarLoop]: Abstraction has has 383 places, 445 transitions, 12269 flow [2022-12-11 21:05:37,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 84.72413793103448) internal successors, (2457), 29 states have internal predecessors, (2457), 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) [2022-12-11 21:05:37,346 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:05:37,346 INFO L214 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, 1, 1, 1, 1, 1, 1] [2022-12-11 21:05:37,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-11 21:05:37,347 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-11 21:05:37,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:05:37,347 INFO L85 PathProgramCache]: Analyzing trace with hash 568973786, now seen corresponding path program 2 times [2022-12-11 21:05:37,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:05:37,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943074533] [2022-12-11 21:05:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:05:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:05:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:05:37,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 21:05:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:05:37,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 21:05:37,487 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 21:05:37,487 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-11 21:05:37,488 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-11 21:05:37,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-11 21:05:37,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-11 21:05:37,489 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-11 21:05:37,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-11 21:05:37,489 INFO L445 BasicCegarLoop]: Path program histogram: [5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 21:05:37,494 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:05:37,494 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:05:37,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:05:37 BasicIcfg [2022-12-11 21:05:37,645 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:05:37,645 INFO L158 Benchmark]: Toolchain (without parser) took 92057.83ms. Allocated memory was 255.9MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 229.9MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2022-12-11 21:05:37,645 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 255.9MB. Free memory was 232.1MB in the beginning and 232.0MB in the end (delta: 152.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:05:37,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.63ms. Allocated memory is still 255.9MB. Free memory was 229.9MB in the beginning and 201.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-12-11 21:05:37,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.61ms. Allocated memory is still 255.9MB. Free memory was 201.1MB in the beginning and 199.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:05:37,646 INFO L158 Benchmark]: Boogie Preprocessor took 34.97ms. Allocated memory is still 255.9MB. Free memory was 199.0MB in the beginning and 196.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-11 21:05:37,646 INFO L158 Benchmark]: RCFGBuilder took 1146.72ms. Allocated memory is still 255.9MB. Free memory was 196.3MB in the beginning and 127.1MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2022-12-11 21:05:37,646 INFO L158 Benchmark]: TraceAbstraction took 90185.79ms. Allocated memory was 255.9MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 126.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2022-12-11 21:05:37,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 255.9MB. Free memory was 232.1MB in the beginning and 232.0MB in the end (delta: 152.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 630.63ms. Allocated memory is still 255.9MB. Free memory was 229.9MB in the beginning and 201.1MB in the end (delta: 28.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.61ms. Allocated memory is still 255.9MB. Free memory was 201.1MB in the beginning and 199.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.97ms. Allocated memory is still 255.9MB. Free memory was 199.0MB in the beginning and 196.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1146.72ms. Allocated memory is still 255.9MB. Free memory was 196.3MB in the beginning and 127.1MB in the end (delta: 69.2MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * TraceAbstraction took 90185.79ms. Allocated memory was 255.9MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 126.1MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L711] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L713] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L715] 0 int __unbuffered_p0_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0] [L717] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0] [L718] 0 _Bool __unbuffered_p2_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0] [L719] 0 int __unbuffered_p2_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0] [L720] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0] [L721] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0] [L722] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0] [L723] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0] [L724] 0 _Bool __unbuffered_p2_EAX$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0] [L725] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0] [L726] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0] [L727] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0] [L728] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0] [L729] 0 _Bool __unbuffered_p2_EAX$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0] [L730] 0 _Bool __unbuffered_p2_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0] [L731] 0 int *__unbuffered_p2_EAX$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}] [L732] 0 int __unbuffered_p2_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0] [L733] 0 _Bool __unbuffered_p2_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0] [L734] 0 int __unbuffered_p2_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0] [L735] 0 _Bool __unbuffered_p2_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0] [L736] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0] [L737] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0] [L739] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}] [L740] 0 _Bool x$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0] [L741] 0 int x$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0] [L742] 0 _Bool x$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0] [L743] 0 _Bool x$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0] [L744] 0 _Bool x$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0] [L745] 0 _Bool x$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0] [L746] 0 _Bool x$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0] [L747] 0 _Bool x$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0] [L748] 0 _Bool x$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0] [L749] 0 _Bool x$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0] [L750] 0 _Bool x$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0] [L751] 0 _Bool x$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0] [L752] 0 _Bool x$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0] [L753] 0 int *x$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}] [L754] 0 int x$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0] [L755] 0 _Bool x$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0] [L756] 0 int x$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0] [L757] 0 _Bool x$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0] [L759] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L760] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L761] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L762] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L871] 0 pthread_t t2245; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, t2245={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L872] FCALL, FORK 0 pthread_create(&t2245, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2245, ((void *)0), P0, ((void *)0))=-3, t2245={6:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L873] 0 pthread_t t2246; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L874] FCALL, FORK 0 pthread_create(&t2246, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2246, ((void *)0), P1, ((void *)0))=-2, t2245={6:0}, t2246={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L875] 0 pthread_t t2247; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L876] FCALL, FORK 0 pthread_create(&t2247, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=0, __unbuffered_p2_EAX$read_delayed_var={0:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t2247, ((void *)0), P2, ((void *)0))=-1, t2245={6:0}, t2246={7:0}, t2247={8:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L811] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L812] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L813] 3 x$flush_delayed = weak$$choice2 [L814] EXPR 3 \read(x) [L814] 3 x$mem_tmp = x [L815] EXPR 3 !x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : x$w_buff1) [L815] EXPR 3 \read(x) [L815] EXPR 3 !x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : x$w_buff1) [L815] 3 x = !x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : x$w_buff1) [L816] 3 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : x$w_buff0)) [L817] 3 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff1 : x$w_buff1)) [L818] 3 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used)) [L819] 3 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L820] 3 x$r_buff0_thd3 = weak$$choice2 ? x$r_buff0_thd3 : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$r_buff0_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3)) [L821] 3 x$r_buff1_thd3 = weak$$choice2 ? x$r_buff1_thd3 : (!x$w_buff0_used || !x$r_buff0_thd3 && !x$w_buff1_used || !x$r_buff0_thd3 && !x$r_buff1_thd3 ? x$r_buff1_thd3 : (x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L822] 3 __unbuffered_p2_EAX$read_delayed = (_Bool)1 [L823] 3 __unbuffered_p2_EAX$read_delayed_var = &x [L824] EXPR 3 \read(x) [L824] 3 __unbuffered_p2_EAX = x [L825] EXPR 3 x$flush_delayed ? x$mem_tmp : x [L825] EXPR 3 \read(x) [L825] EXPR 3 x$flush_delayed ? x$mem_tmp : x [L825] 3 x = x$flush_delayed ? x$mem_tmp : x [L826] 3 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L877] 0 pthread_t t2248; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, t2248={5:0}, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L829] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L832] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L832] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L832] EXPR 3 \read(x) [L832] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L832] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L832] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L833] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L834] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L835] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L836] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L878] FCALL, FORK 0 pthread_create(&t2248, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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, pthread_create(&t2248, ((void *)0), P3, ((void *)0))=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, t2248={5:0}, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L846] 4 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L849] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L849] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L849] EXPR 4 \read(x) [L849] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L849] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L849] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L850] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L851] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L852] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L853] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L766] 1 __unbuffered_p0_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=0, weak$$choice2=0, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L769] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L770] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L771] 1 x$flush_delayed = weak$$choice2 [L772] EXPR 1 \read(x) [L772] 1 x$mem_tmp = x [L773] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L773] EXPR 1 \read(x) [L773] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L773] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L774] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L775] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L776] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L777] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L778] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L779] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 1 \read(x) [L780] 1 __unbuffered_p0_EBX = x [L781] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L781] 1 x = x$flush_delayed ? x$mem_tmp : x [L782] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L794] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L797] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L797] EXPR 2 \read(x) [L797] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L797] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L797] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L798] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L799] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L800] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L801] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L804] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L787] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$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$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, t2248={5:0}, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L882] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L882] RET 0 assume_abort_if_not(main$tmp_guard0) [L884] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L884] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L884] EXPR 0 \read(x) [L884] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L884] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L884] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L885] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L886] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L887] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L888] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, t2248={5:0}, weak$$choice0=3, weak$$choice1=0, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L891] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L892] EXPR 0 __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L892] EXPR 0 weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX [L892] EXPR 0 \read(*__unbuffered_p2_EAX$read_delayed_var) [L892] EXPR 0 weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX [L892] EXPR 0 __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L892] 0 __unbuffered_p2_EAX = __unbuffered_p2_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p2_EAX$read_delayed_var : __unbuffered_p2_EAX) : __unbuffered_p2_EAX [L893] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p0_EBX == 0 && __unbuffered_p2_EAX == 1) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2245={6:0}, t2246={7:0}, t2247={8:0}, t2248={5:0}, weak$$choice0=3, weak$$choice1=255, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L895] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=255, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L19] 0 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=4, __unbuffered_p0_EAX=2, __unbuffered_p0_EBX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EAX$flush_delayed=0, __unbuffered_p2_EAX$mem_tmp=0, __unbuffered_p2_EAX$r_buff0_thd0=0, __unbuffered_p2_EAX$r_buff0_thd1=0, __unbuffered_p2_EAX$r_buff0_thd2=0, __unbuffered_p2_EAX$r_buff0_thd3=0, __unbuffered_p2_EAX$r_buff0_thd4=0, __unbuffered_p2_EAX$r_buff1_thd0=0, __unbuffered_p2_EAX$r_buff1_thd1=0, __unbuffered_p2_EAX$r_buff1_thd2=0, __unbuffered_p2_EAX$r_buff1_thd3=0, __unbuffered_p2_EAX$r_buff1_thd4=0, __unbuffered_p2_EAX$read_delayed=1, __unbuffered_p2_EAX$read_delayed_var={3:0}, __unbuffered_p2_EAX$w_buff0=0, __unbuffered_p2_EAX$w_buff0_used=0, __unbuffered_p2_EAX$w_buff1=0, __unbuffered_p2_EAX$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=255, weak$$choice2=1, x={3:0}, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - 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: 872]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 176 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 1.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 89.9s, OverallIterations: 20, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 60.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1767 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1767 mSDsluCounter, 2703 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2351 mSDsCounter, 516 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7937 IncrementalHoareTripleChecker+Invalid, 8453 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 516 mSolverCounterUnsat, 352 mSDtfsCounter, 7937 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 521 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 466 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3533 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31694occurred in iteration=17, InterpolantAutomatonStates: 393, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 47402 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 2179 NumberOfCodeBlocks, 2179 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2044 ConstructedInterpolants, 0 QuantifiedInterpolants, 29432 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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! [2022-12-11 21:05:37,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...