/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix007.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 09:17:44,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:17:44,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:17:44,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:17:44,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:17:44,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:17:44,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:17:44,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:17:44,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:17:44,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:17:44,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:17:44,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:17:44,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:17:44,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:17:44,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:17:44,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:17:44,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:17:44,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:17:44,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:17:44,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:17:44,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:17:44,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:17:44,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:17:44,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:17:44,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:17:44,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:17:44,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:17:44,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:17:44,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:17:44,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:17:44,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:17:44,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:17:44,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:17:44,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:17:44,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:17:44,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:17:44,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:17:44,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:17:44,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:17:44,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:17:44,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:17:44,889 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-13 09:17:44,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:17:44,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:17:44,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:17:44,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:17:44,924 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:17:44,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:17:44,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:17:44,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:17:44,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:17:44,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 09:17:44,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:17:44,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:17:44,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:17:44,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:17:44,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:17:44,928 INFO L138 SettingsManager]: * Use conditional commutativity for large block encoding in concurrent analysis=CONDITIONAL_CONJUNCTIVE [2022-12-13 09:17:44,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:17:44,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:17:44,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 09:17:44,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-13 09:17:45,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:17:45,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:17:45,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:17:45,259 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:17:45,259 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:17:45,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix007.oepc.i [2022-12-13 09:17:46,520 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:17:46,779 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:17:46,779 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix007.oepc.i [2022-12-13 09:17:46,792 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce84d63ba/74c7463451d243fda671b1e94a753ce6/FLAG31db228d4 [2022-12-13 09:17:46,804 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ce84d63ba/74c7463451d243fda671b1e94a753ce6 [2022-12-13 09:17:46,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:17:46,808 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 09:17:46,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:17:46,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:17:46,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:17:46,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:17:46" (1/1) ... [2022-12-13 09:17:46,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d900215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:46, skipping insertion in model container [2022-12-13 09:17:46,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:17:46" (1/1) ... [2022-12-13 09:17:46,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:17:46,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:17:47,055 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/mix007.oepc.i[945,958] [2022-12-13 09:17:47,227 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,230 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,231 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,236 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,237 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,238 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,239 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,245 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,246 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,250 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,251 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,256 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,257 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,260 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,278 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,280 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,281 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,289 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,290 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,297 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,298 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,300 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:17:47,312 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:17:47,322 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/mix007.oepc.i[945,958] [2022-12-13 09:17:47,355 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,356 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,357 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,358 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,359 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,360 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,361 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,362 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,366 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,367 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,384 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,385 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,386 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,389 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,390 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 09:17:47,391 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 09:17:47,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:17:47,434 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:17:47,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47 WrapperNode [2022-12-13 09:17:47,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:17:47,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:17:47,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:17:47,437 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:17:47,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,470 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,509 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-12-13 09:17:47,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:17:47,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:17:47,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:17:47,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:17:47,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,564 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:17:47,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:17:47,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:17:47,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:17:47,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (1/1) ... [2022-12-13 09:17:47,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:17:47,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 09:17:47,598 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) [2022-12-13 09:17:47,627 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 [2022-12-13 09:17:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:17:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 09:17:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:17:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:17:47,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:17:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 09:17:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 09:17:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 09:17:47,640 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 09:17:47,640 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 09:17:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 09:17:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 09:17:47,641 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 09:17:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:17:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 09:17:47,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:17:47,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:17:47,643 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 09:17:47,807 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 09:17:47,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:17:48,154 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 09:17:48,256 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:17:48,257 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:17:48,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:17:48 BoogieIcfgContainer [2022-12-13 09:17:48,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:17:48,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:17:48,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:17:48,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:17:48,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:17:46" (1/3) ... [2022-12-13 09:17:48,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9d270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:17:48, skipping insertion in model container [2022-12-13 09:17:48,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:17:47" (2/3) ... [2022-12-13 09:17:48,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e9d270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:17:48, skipping insertion in model container [2022-12-13 09:17:48,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:17:48" (3/3) ... [2022-12-13 09:17:48,268 INFO L112 eAbstractionObserver]: Analyzing ICFG mix007.oepc.i [2022-12-13 09:17:48,280 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:17:48,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-13 09:17:48,281 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:17:48,336 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 09:17:48,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 144 places, 133 transitions, 286 flow [2022-12-13 09:17:48,434 INFO L130 PetriNetUnfolder]: 2/129 cut-off events. [2022-12-13 09:17:48,434 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:17:48,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 2/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 09:17:48,440 INFO L82 GeneralOperation]: Start removeDead. Operand has 144 places, 133 transitions, 286 flow [2022-12-13 09:17:48,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 140 places, 129 transitions, 270 flow [2022-12-13 09:17:48,452 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:17:48,472 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 129 transitions, 270 flow [2022-12-13 09:17:48,475 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 129 transitions, 270 flow [2022-12-13 09:17:48,512 INFO L130 PetriNetUnfolder]: 2/129 cut-off events. [2022-12-13 09:17:48,512 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:17:48,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 142 conditions, 129 events. 2/129 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 76 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 09:17:48,517 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 129 transitions, 270 flow [2022-12-13 09:17:48,517 INFO L226 LiptonReduction]: Number of co-enabled transitions 3286 [2022-12-13 09:17:54,377 INFO L241 LiptonReduction]: Total number of compositions: 100 [2022-12-13 09:17:54,392 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 09:17:54,398 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=REPEATED_LIPTON_PN, 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;@7fc77156, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_CONJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:17:54,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 09:17:54,401 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-13 09:17:54,401 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:17:54,401 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:17:54,402 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-13 09:17:54,402 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:17:54,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:17:54,406 INFO L85 PathProgramCache]: Analyzing trace with hash 593742, now seen corresponding path program 1 times [2022-12-13 09:17:54,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:17:54,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375522670] [2022-12-13 09:17:54,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:17:54,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:17:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:17:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:17:54,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:17:54,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375522670] [2022-12-13 09:17:54,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375522670] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:17:54,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:17:54,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 09:17:54,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566776719] [2022-12-13 09:17:54,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:17:54,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:17:54,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:17:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:17:54,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:17:54,803 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 85 [2022-12-13 09:17:54,804 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 85 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-12-13 09:17:54,804 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:17:54,804 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 85 [2022-12-13 09:17:54,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:02,522 INFO L130 PetriNetUnfolder]: 66790/93710 cut-off events. [2022-12-13 09:18:02,523 INFO L131 PetriNetUnfolder]: For 148/148 co-relation queries the response was YES. [2022-12-13 09:18:02,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181999 conditions, 93710 events. 66790/93710 cut-off events. For 148/148 co-relation queries the response was YES. Maximal size of possible extension queue 4472. Compared 679413 event pairs, 37024 based on Foata normal form. 0/59628 useless extension candidates. Maximal degree in co-relation 181987. Up to 73765 conditions per place. [2022-12-13 09:18:02,865 INFO L137 encePairwiseOnDemand]: 79/85 looper letters, 48 selfloop transitions, 2 changer transitions 71/138 dead transitions. [2022-12-13 09:18:02,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 138 transitions, 537 flow [2022-12-13 09:18:02,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:18:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:18:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 181 transitions. [2022-12-13 09:18:02,875 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7098039215686275 [2022-12-13 09:18:02,877 INFO L175 Difference]: Start difference. First operand has 97 places, 85 transitions, 182 flow. Second operand 3 states and 181 transitions. [2022-12-13 09:18:02,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 138 transitions, 537 flow [2022-12-13 09:18:02,881 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 138 transitions, 530 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 09:18:02,884 INFO L231 Difference]: Finished difference. Result has 92 places, 45 transitions, 102 flow [2022-12-13 09:18:02,885 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=85, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=92, PETRI_TRANSITIONS=45} [2022-12-13 09:18:02,889 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -5 predicate places. [2022-12-13 09:18:02,889 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:02,890 INFO L89 Accepts]: Start accepts. Operand has 92 places, 45 transitions, 102 flow [2022-12-13 09:18:02,895 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:02,895 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:02,896 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 45 transitions, 102 flow [2022-12-13 09:18:02,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 45 transitions, 102 flow [2022-12-13 09:18:02,908 INFO L130 PetriNetUnfolder]: 0/45 cut-off events. [2022-12-13 09:18:02,909 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:18:02,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 45 events. 0/45 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 114 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-12-13 09:18:02,917 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 45 transitions, 102 flow [2022-12-13 09:18:02,917 INFO L226 LiptonReduction]: Number of co-enabled transitions 1218 [2022-12-13 09:18:03,132 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:03,134 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 245 [2022-12-13 09:18:03,134 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 45 transitions, 102 flow [2022-12-13 09:18:03,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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) [2022-12-13 09:18:03,134 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:03,134 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:18:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:18:03,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash 26233399, now seen corresponding path program 1 times [2022-12-13 09:18:03,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:03,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564060498] [2022-12-13 09:18:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:03,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:03,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:03,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564060498] [2022-12-13 09:18:03,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564060498] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:03,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:03,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 09:18:03,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140478959] [2022-12-13 09:18:03,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:03,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:18:03,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:03,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:18:03,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:18:03,498 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2022-12-13 09:18:03,498 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-12-13 09:18:03,498 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:03,499 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2022-12-13 09:18:03,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:05,312 INFO L130 PetriNetUnfolder]: 13589/19845 cut-off events. [2022-12-13 09:18:05,312 INFO L131 PetriNetUnfolder]: For 911/911 co-relation queries the response was YES. [2022-12-13 09:18:05,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39273 conditions, 19845 events. 13589/19845 cut-off events. For 911/911 co-relation queries the response was YES. Maximal size of possible extension queue 835. Compared 128141 event pairs, 3969 based on Foata normal form. 0/15867 useless extension candidates. Maximal degree in co-relation 39263. Up to 13271 conditions per place. [2022-12-13 09:18:05,470 INFO L137 encePairwiseOnDemand]: 42/45 looper letters, 44 selfloop transitions, 2 changer transitions 2/63 dead transitions. [2022-12-13 09:18:05,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 238 flow [2022-12-13 09:18:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:18:05,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:18:05,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2022-12-13 09:18:05,475 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6962962962962963 [2022-12-13 09:18:05,475 INFO L175 Difference]: Start difference. First operand has 56 places, 45 transitions, 102 flow. Second operand 3 states and 94 transitions. [2022-12-13 09:18:05,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 238 flow [2022-12-13 09:18:05,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 63 transitions, 232 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 09:18:05,477 INFO L231 Difference]: Finished difference. Result has 57 places, 44 transitions, 104 flow [2022-12-13 09:18:05,478 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=57, PETRI_TRANSITIONS=44} [2022-12-13 09:18:05,478 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -40 predicate places. [2022-12-13 09:18:05,478 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:05,479 INFO L89 Accepts]: Start accepts. Operand has 57 places, 44 transitions, 104 flow [2022-12-13 09:18:05,479 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:05,480 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:05,480 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 44 transitions, 104 flow [2022-12-13 09:18:05,481 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 56 places, 44 transitions, 104 flow [2022-12-13 09:18:05,488 INFO L130 PetriNetUnfolder]: 0/44 cut-off events. [2022-12-13 09:18:05,488 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 09:18:05,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 112 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2022-12-13 09:18:05,489 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 44 transitions, 104 flow [2022-12-13 09:18:05,489 INFO L226 LiptonReduction]: Number of co-enabled transitions 1152 [2022-12-13 09:18:05,573 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:05,576 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 97 [2022-12-13 09:18:05,578 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 104 flow [2022-12-13 09:18:05,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-12-13 09:18:05,582 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:05,583 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:18:05,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:18:05,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:05,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:05,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1605654210, now seen corresponding path program 1 times [2022-12-13 09:18:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:05,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090847528] [2022-12-13 09:18:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:05,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:05,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:05,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090847528] [2022-12-13 09:18:05,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090847528] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:05,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:05,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:18:05,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27598184] [2022-12-13 09:18:05,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:05,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:18:05,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:05,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:18:05,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:18:05,906 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:18:05,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 104 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-13 09:18:05,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:05,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:18:05,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:08,322 INFO L130 PetriNetUnfolder]: 29107/41040 cut-off events. [2022-12-13 09:18:08,322 INFO L131 PetriNetUnfolder]: For 2856/2856 co-relation queries the response was YES. [2022-12-13 09:18:08,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83919 conditions, 41040 events. 29107/41040 cut-off events. For 2856/2856 co-relation queries the response was YES. Maximal size of possible extension queue 1288. Compared 248875 event pairs, 6191 based on Foata normal form. 960/35394 useless extension candidates. Maximal degree in co-relation 83908. Up to 21245 conditions per place. [2022-12-13 09:18:08,573 INFO L137 encePairwiseOnDemand]: 35/44 looper letters, 63 selfloop transitions, 8 changer transitions 0/82 dead transitions. [2022-12-13 09:18:08,573 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 82 transitions, 328 flow [2022-12-13 09:18:08,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:18:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:18:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 117 transitions. [2022-12-13 09:18:08,575 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6647727272727273 [2022-12-13 09:18:08,575 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 104 flow. Second operand 4 states and 117 transitions. [2022-12-13 09:18:08,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 82 transitions, 328 flow [2022-12-13 09:18:08,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 82 transitions, 320 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-13 09:18:08,591 INFO L231 Difference]: Finished difference. Result has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,591 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=161, PETRI_PLACES=60, PETRI_TRANSITIONS=50} [2022-12-13 09:18:08,592 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -37 predicate places. [2022-12-13 09:18:08,592 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:08,592 INFO L89 Accepts]: Start accepts. Operand has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,595 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:08,595 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:08,595 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,830 INFO L130 PetriNetUnfolder]: 99/376 cut-off events. [2022-12-13 09:18:08,830 INFO L131 PetriNetUnfolder]: For 87/110 co-relation queries the response was YES. [2022-12-13 09:18:08,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 376 events. 99/376 cut-off events. For 87/110 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2521 event pairs, 50 based on Foata normal form. 0/252 useless extension candidates. Maximal degree in co-relation 670. Up to 146 conditions per place. [2022-12-13 09:18:08,837 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,837 INFO L226 LiptonReduction]: Number of co-enabled transitions 1318 [2022-12-13 09:18:08,860 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:08,864 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 272 [2022-12-13 09:18:08,865 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 50 transitions, 161 flow [2022-12-13 09:18:08,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2022-12-13 09:18:08,865 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:08,865 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:18:08,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:18:08,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:08,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:08,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1508184867, now seen corresponding path program 1 times [2022-12-13 09:18:08,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:08,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49794141] [2022-12-13 09:18:08,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:08,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:09,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:09,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49794141] [2022-12-13 09:18:09,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49794141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:09,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:09,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:18:09,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128136806] [2022-12-13 09:18:09,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:09,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:18:09,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:09,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:18:09,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:18:09,052 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2022-12-13 09:18:09,052 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 50 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-12-13 09:18:09,052 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:09,052 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2022-12-13 09:18:09,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:09,649 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:09,650 INFO L382 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,650 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,650 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,650 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,651 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:09,651 INFO L382 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,651 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,651 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,651 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,653 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:09,653 INFO L382 tUnfolder$Statistics]: this new event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,653 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,653 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:09,653 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is cut-off event [2022-12-13 09:18:10,015 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,016 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,016 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,016 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,016 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,016 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,017 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,017 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,017 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,017 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,019 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,019 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,019 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,020 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,022 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,022 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,022 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,022 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,022 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,023 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,023 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,023 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,023 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,023 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:10,288 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,288 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,288 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,288 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,288 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,289 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,289 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,289 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,289 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,289 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,290 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,290 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,290 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,290 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,291 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,291 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,291 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,291 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,291 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,291 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,293 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,293 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,293 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,293 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,293 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,294 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 10#L889true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 101#L808true, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,294 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,294 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,294 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,294 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-13 09:18:10,559 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 101#L808true, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 256#true, 23#L831true]) [2022-12-13 09:18:10,559 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,559 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,559 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,559 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,564 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 101#L808true, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 256#true, 23#L831true]) [2022-12-13 09:18:10,565 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,565 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,565 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,565 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,569 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 101#L808true, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 256#true, 23#L831true]) [2022-12-13 09:18:10,569 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,569 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,569 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,569 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:10,600 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,600 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 23#L831true, 256#true]) [2022-12-13 09:18:10,601 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,601 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,602 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,602 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,602 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,602 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,602 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,602 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 23#L831true, 256#true]) [2022-12-13 09:18:10,602 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,603 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,603 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,603 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,603 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][65], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, 10#L889true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 58#L847true, 256#true]) [2022-12-13 09:18:10,604 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([552] L889-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (mod v_~main$tmp_guard1~0_44 256) |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|) (= (ite (= (ite (not (and (= v_~__unbuffered_p2_EBX~0_48 0) (= 2 v_~__unbuffered_p2_EAX~0_52) (= v_~__unbuffered_p0_EAX~0_48 0) (= v_~__unbuffered_p3_EAX~0_47 1) (= v_~y~0_59 2) (= 0 v_~__unbuffered_p3_EBX~0_57))) 1 0) 0) 0 1) v_~main$tmp_guard1~0_44) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37| |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|) (= |v_ULTIMATE.start___VERIFIER_assert_~expression#1_47| 0)) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} OutVars{ULTIMATE.start___VERIFIER_assert_~expression#1=|v_ULTIMATE.start___VERIFIER_assert_~expression#1_47|, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_48, ~__unbuffered_p2_EBX~0=v_~__unbuffered_p2_EBX~0_48, ULTIMATE.start___VERIFIER_assert_#in~expression#1=|v_ULTIMATE.start___VERIFIER_assert_#in~expression#1_37|, ~__unbuffered_p3_EAX~0=v_~__unbuffered_p3_EAX~0_47, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_44, ~__unbuffered_p2_EAX~0=v_~__unbuffered_p2_EAX~0_52, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_57, ~y~0=v_~y~0_59} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression#1, ULTIMATE.start___VERIFIER_assert_#in~expression#1, ~main$tmp_guard1~0][75], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 124#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, 291#true, 23#L831true, 256#true]) [2022-12-13 09:18:10,604 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:10,604 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:12,636 INFO L130 PetriNetUnfolder]: 36828/50856 cut-off events. [2022-12-13 09:18:12,636 INFO L131 PetriNetUnfolder]: For 17361/18054 co-relation queries the response was YES. [2022-12-13 09:18:12,747 INFO L83 FinitePrefix]: Finished finitePrefix Result has 115288 conditions, 50856 events. 36828/50856 cut-off events. For 17361/18054 co-relation queries the response was YES. Maximal size of possible extension queue 2377. Compared 326494 event pairs, 11871 based on Foata normal form. 213/33708 useless extension candidates. Maximal degree in co-relation 115274. Up to 48853 conditions per place. [2022-12-13 09:18:12,926 INFO L137 encePairwiseOnDemand]: 30/44 looper letters, 50 selfloop transitions, 13 changer transitions 0/79 dead transitions. [2022-12-13 09:18:12,926 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 79 transitions, 363 flow [2022-12-13 09:18:12,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:18:12,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:18:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2022-12-13 09:18:12,928 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2022-12-13 09:18:12,928 INFO L175 Difference]: Start difference. First operand has 60 places, 50 transitions, 161 flow. Second operand 3 states and 96 transitions. [2022-12-13 09:18:12,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 79 transitions, 363 flow [2022-12-13 09:18:12,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 79 transitions, 361 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 09:18:12,934 INFO L231 Difference]: Finished difference. Result has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:12,934 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=248, PETRI_PLACES=62, PETRI_TRANSITIONS=62} [2022-12-13 09:18:12,935 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -35 predicate places. [2022-12-13 09:18:12,935 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:12,935 INFO L89 Accepts]: Start accepts. Operand has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:12,937 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:12,937 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:12,937 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:12,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:13,607 INFO L130 PetriNetUnfolder]: 6050/9832 cut-off events. [2022-12-13 09:18:13,607 INFO L131 PetriNetUnfolder]: For 1156/1417 co-relation queries the response was YES. [2022-12-13 09:18:13,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20050 conditions, 9832 events. 6050/9832 cut-off events. For 1156/1417 co-relation queries the response was YES. Maximal size of possible extension queue 1383. Compared 82565 event pairs, 3437 based on Foata normal form. 0/4362 useless extension candidates. Maximal degree in co-relation 20037. Up to 8386 conditions per place. [2022-12-13 09:18:13,664 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:13,664 INFO L226 LiptonReduction]: Number of co-enabled transitions 1726 [2022-12-13 09:18:13,751 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:13,752 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 817 [2022-12-13 09:18:13,752 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 62 transitions, 248 flow [2022-12-13 09:18:13,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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) [2022-12-13 09:18:13,753 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:13,753 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] [2022-12-13 09:18:13,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 09:18:13,753 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:13,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2030878776, now seen corresponding path program 1 times [2022-12-13 09:18:13,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:13,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343717292] [2022-12-13 09:18:13,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:13,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:13,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:13,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343717292] [2022-12-13 09:18:13,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343717292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:13,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:13,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 09:18:13,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804159432] [2022-12-13 09:18:13,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:13,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:18:13,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:13,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:18:13,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:18:13,899 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2022-12-13 09:18:13,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 62 transitions, 248 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-12-13 09:18:13,900 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:13,900 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2022-12-13 09:18:13,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:14,903 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 303#(= ~y~0 1), 58#L847true, 93#L795true, 293#(= ~__unbuffered_cnt~0 0), 256#true]) [2022-12-13 09:18:14,903 INFO L382 tUnfolder$Statistics]: this new event has 19 ancestors and is not cut-off event [2022-12-13 09:18:14,903 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2022-12-13 09:18:14,903 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2022-12-13 09:18:14,903 INFO L385 tUnfolder$Statistics]: existing Event has 19 ancestors and is not cut-off event [2022-12-13 09:18:14,935 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][51], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 293#(= ~__unbuffered_cnt~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 291#true, 301#true, 11#L805true, 58#L847true, 256#true]) [2022-12-13 09:18:14,935 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,936 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,936 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,936 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,938 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][51], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 293#(= ~__unbuffered_cnt~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, 10#L889true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 291#true, 301#true, 11#L805true, 58#L847true, 256#true]) [2022-12-13 09:18:14,938 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,938 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,938 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,938 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,941 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][51], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 301#true, 11#L805true, 58#L847true, 256#true]) [2022-12-13 09:18:14,941 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,941 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,941 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:14,942 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-13 09:18:15,423 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, 152#true, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:15,424 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,424 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,424 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,424 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,427 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, 81#L878-3true, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:15,427 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,427 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,427 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,428 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is not cut-off event [2022-12-13 09:18:15,865 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse, 34#L883true, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:15,866 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,866 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,866 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,866 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,870 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:15,870 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,870 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,870 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,871 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,875 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 34#L883true, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:15,875 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,875 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,875 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:15,875 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is not cut-off event [2022-12-13 09:18:16,068 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), 193#true, Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:16,068 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,068 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,068 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,069 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,075 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, 109#L811true, P1Thread1of1ForFork3InUse, 152#true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:16,075 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,075 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,075 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,075 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,081 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([407] L831-->L847: Formula: (let ((.cse10 (= (mod v_~a$r_buff1_thd4~0_52 256) 0)) (.cse1 (= (mod v_~a$r_buff0_thd4~0_54 256) 0))) (let ((.cse5 (not .cse1)) (.cse3 (and .cse1 .cse10)) (.cse11 (= (mod v_~a$w_buff0_used~0_140 256) 0)) (.cse8 (and .cse1 (= (mod v_~a$w_buff1_used~0_121 256) 0)))) (let ((.cse6 (or .cse3 .cse11 .cse8)) (.cse7 (and .cse5 (not .cse11))) (.cse0 (not (= (mod v_~weak$$choice2~0_28 256) 0))) (.cse2 (= (mod v_~a$w_buff1_used~0_120 256) 0)) (.cse4 (= (mod v_~a$w_buff0_used~0_139 256) 0))) (and (= v_~weak$$choice2~0_28 |v_P3Thread1of1ForFork2_#t~nondet4_1|) (= v_~a$w_buff0~0_61 v_~a$w_buff0~0_60) (= v_~a$flush_delayed~0_27 0) (= v_~a$r_buff0_thd4~0_53 (ite .cse0 v_~a$r_buff0_thd4~0_54 (ite (or (and .cse1 .cse2) .cse3 .cse4) v_~a$r_buff0_thd4~0_54 (ite (and .cse5 (not .cse4)) 0 v_~a$r_buff0_thd4~0_54)))) (= (ite .cse6 v_~a~0_93 (ite .cse7 v_~a$w_buff0~0_61 v_~a$w_buff1~0_60)) v_~__unbuffered_p3_EBX~0_10) (= v_~a$w_buff1~0_60 v_~a$w_buff1~0_59) (= v_~a~0_93 v_~a$mem_tmp~0_18) (= v_~a$w_buff1_used~0_120 (ite .cse0 v_~a$w_buff1_used~0_121 (ite (or .cse3 .cse8 .cse4) v_~a$w_buff1_used~0_121 0))) (= v_~a$w_buff0_used~0_139 (ite .cse0 v_~a$w_buff0_used~0_140 (ite .cse6 v_~a$w_buff0_used~0_140 (ite .cse7 0 v_~a$w_buff0_used~0_140)))) (= v_~a~0_92 (ite .cse0 v_~a$mem_tmp~0_18 v_~__unbuffered_p3_EBX~0_10)) (= |v_P3Thread1of1ForFork2_#t~nondet3_1| v_~weak$$choice0~0_5) (= (ite .cse0 v_~a$r_buff1_thd4~0_52 (ite (let ((.cse9 (= (mod v_~a$r_buff0_thd4~0_53 256) 0))) (or (and .cse9 .cse10) (and .cse9 .cse2) .cse4)) v_~a$r_buff1_thd4~0_52 0)) v_~a$r_buff1_thd4~0_51))))) InVars {P3Thread1of1ForFork2_#t~nondet4=|v_P3Thread1of1ForFork2_#t~nondet4_1|, ~a~0=v_~a~0_93, ~a$w_buff1~0=v_~a$w_buff1~0_60, ~a$w_buff0~0=v_~a$w_buff0~0_61, ~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_52, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_140, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_121, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_54, P3Thread1of1ForFork2_#t~nondet3=|v_P3Thread1of1ForFork2_#t~nondet3_1|} OutVars{~a$r_buff1_thd4~0=v_~a$r_buff1_thd4~0_51, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_139, ~__unbuffered_p3_EBX~0=v_~__unbuffered_p3_EBX~0_10, ~a$r_buff0_thd4~0=v_~a$r_buff0_thd4~0_53, ~a~0=v_~a~0_92, ~a$mem_tmp~0=v_~a$mem_tmp~0_18, ~weak$$choice0~0=v_~weak$$choice0~0_5, ~a$w_buff1~0=v_~a$w_buff1~0_59, ~a$flush_delayed~0=v_~a$flush_delayed~0_27, ~a$w_buff0~0=v_~a$w_buff0~0_60, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_120, ~weak$$choice2~0=v_~weak$$choice2~0_28} AuxVars[] AssignedVars[~a$r_buff1_thd4~0, ~a$w_buff0_used~0, ~__unbuffered_p3_EBX~0, ~a$r_buff0_thd4~0, P3Thread1of1ForFork2_#t~nondet4, ~a~0, ~a$mem_tmp~0, ~weak$$choice0~0, ~a$w_buff1~0, ~a$flush_delayed~0, ~a$w_buff0~0, ~a$w_buff1_used~0, ~weak$$choice2~0, P3Thread1of1ForFork2_#t~nondet3][62], [Black: 259#(or (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 1)) (not (= ~__unbuffered_p2_EBX~0 0)) (not (= ~__unbuffered_p3_EBX~0 0)) (not (= ~__unbuffered_p0_EAX~0 0)) (not (= 2 ~__unbuffered_p2_EAX~0))), Black: 293#(= ~__unbuffered_cnt~0 0), Black: 258#(= ~__unbuffered_p3_EAX~0 0), Black: 232#(= ~__unbuffered_p2_EAX~0 0), 56#L768true, P1Thread1of1ForFork3InUse, 109#L811true, P2Thread1of1ForFork0InUse, P0Thread1of1ForFork1InUse, 10#L889true, P3Thread1of1ForFork2InUse, 112#P1EXITtrue, 291#true, 303#(= ~y~0 1), 58#L847true, 256#true]) [2022-12-13 09:18:16,082 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,082 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,082 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:16,082 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-13 09:18:19,027 INFO L130 PetriNetUnfolder]: 52226/74359 cut-off events. [2022-12-13 09:18:19,027 INFO L131 PetriNetUnfolder]: For 34335/36120 co-relation queries the response was YES. [2022-12-13 09:18:19,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202226 conditions, 74359 events. 52226/74359 cut-off events. For 34335/36120 co-relation queries the response was YES. Maximal size of possible extension queue 3503. Compared 541291 event pairs, 19574 based on Foata normal form. 1317/59052 useless extension candidates. Maximal degree in co-relation 202210. Up to 41420 conditions per place. [2022-12-13 09:18:19,458 INFO L137 encePairwiseOnDemand]: 41/44 looper letters, 69 selfloop transitions, 4 changer transitions 0/93 dead transitions. [2022-12-13 09:18:19,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 93 transitions, 509 flow [2022-12-13 09:18:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:18:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 09:18:19,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2022-12-13 09:18:19,459 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7272727272727273 [2022-12-13 09:18:19,459 INFO L175 Difference]: Start difference. First operand has 62 places, 62 transitions, 248 flow. Second operand 3 states and 96 transitions. [2022-12-13 09:18:19,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 93 transitions, 509 flow [2022-12-13 09:18:19,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 93 transitions, 488 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 09:18:19,510 INFO L231 Difference]: Finished difference. Result has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:19,511 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=255, PETRI_PLACES=64, PETRI_TRANSITIONS=63} [2022-12-13 09:18:19,511 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -33 predicate places. [2022-12-13 09:18:19,511 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:19,511 INFO L89 Accepts]: Start accepts. Operand has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:19,512 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:19,512 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:19,513 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:19,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:20,182 INFO L130 PetriNetUnfolder]: 8495/13657 cut-off events. [2022-12-13 09:18:20,183 INFO L131 PetriNetUnfolder]: For 2612/3012 co-relation queries the response was YES. [2022-12-13 09:18:20,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27928 conditions, 13657 events. 8495/13657 cut-off events. For 2612/3012 co-relation queries the response was YES. Maximal size of possible extension queue 1869. Compared 116759 event pairs, 4817 based on Foata normal form. 0/5896 useless extension candidates. Maximal degree in co-relation 27914. Up to 12007 conditions per place. [2022-12-13 09:18:20,292 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:20,293 INFO L226 LiptonReduction]: Number of co-enabled transitions 1774 [2022-12-13 09:18:20,439 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:20,440 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 929 [2022-12-13 09:18:20,440 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 63 transitions, 255 flow [2022-12-13 09:18:20,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-12-13 09:18:20,440 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:20,440 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] [2022-12-13 09:18:20,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 09:18:20,441 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:20,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1137465219, now seen corresponding path program 1 times [2022-12-13 09:18:20,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:20,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129122652] [2022-12-13 09:18:20,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:20,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:20,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:20,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:20,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:20,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129122652] [2022-12-13 09:18:20,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129122652] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:20,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:20,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 09:18:20,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569001386] [2022-12-13 09:18:20,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:20,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:18:20,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:20,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:18:20,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:18:20,651 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:18:20,651 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 63 transitions, 255 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-12-13 09:18:20,651 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:20,651 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:18:20,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:29,492 INFO L130 PetriNetUnfolder]: 95195/134210 cut-off events. [2022-12-13 09:18:29,493 INFO L131 PetriNetUnfolder]: For 74102/77691 co-relation queries the response was YES. [2022-12-13 09:18:29,913 INFO L83 FinitePrefix]: Finished finitePrefix Result has 369919 conditions, 134210 events. 95195/134210 cut-off events. For 74102/77691 co-relation queries the response was YES. Maximal size of possible extension queue 5677. Compared 1000668 event pairs, 11139 based on Foata normal form. 1627/108010 useless extension candidates. Maximal degree in co-relation 369902. Up to 74893 conditions per place. [2022-12-13 09:18:30,140 INFO L137 encePairwiseOnDemand]: 34/44 looper letters, 140 selfloop transitions, 19 changer transitions 8/182 dead transitions. [2022-12-13 09:18:30,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 182 transitions, 1046 flow [2022-12-13 09:18:30,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:18:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 09:18:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 186 transitions. [2022-12-13 09:18:30,142 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7045454545454546 [2022-12-13 09:18:30,142 INFO L175 Difference]: Start difference. First operand has 64 places, 63 transitions, 255 flow. Second operand 6 states and 186 transitions. [2022-12-13 09:18:30,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 182 transitions, 1046 flow [2022-12-13 09:18:30,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 182 transitions, 1034 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 09:18:30,263 INFO L231 Difference]: Finished difference. Result has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:30,263 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=438, PETRI_PLACES=73, PETRI_TRANSITIONS=77} [2022-12-13 09:18:30,264 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -24 predicate places. [2022-12-13 09:18:30,264 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:30,264 INFO L89 Accepts]: Start accepts. Operand has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:30,265 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:30,265 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:30,266 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:30,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:31,669 INFO L130 PetriNetUnfolder]: 15560/25602 cut-off events. [2022-12-13 09:18:31,669 INFO L131 PetriNetUnfolder]: For 5768/5996 co-relation queries the response was YES. [2022-12-13 09:18:31,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52713 conditions, 25602 events. 15560/25602 cut-off events. For 5768/5996 co-relation queries the response was YES. Maximal size of possible extension queue 3306. Compared 243257 event pairs, 8998 based on Foata normal form. 8/11229 useless extension candidates. Maximal degree in co-relation 52693. Up to 22618 conditions per place. [2022-12-13 09:18:31,880 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:31,881 INFO L226 LiptonReduction]: Number of co-enabled transitions 2364 [2022-12-13 09:18:32,469 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:32,470 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2206 [2022-12-13 09:18:32,470 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 77 transitions, 438 flow [2022-12-13 09:18:32,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2022-12-13 09:18:32,471 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:32,471 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 09:18:32,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 09:18:32,471 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:32,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:32,471 INFO L85 PathProgramCache]: Analyzing trace with hash -389967371, now seen corresponding path program 1 times [2022-12-13 09:18:32,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:32,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601711407] [2022-12-13 09:18:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:32,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:32,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:32,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601711407] [2022-12-13 09:18:32,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601711407] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:32,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:32,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:18:32,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840293109] [2022-12-13 09:18:32,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:32,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 09:18:32,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:32,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 09:18:32,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 09:18:32,635 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2022-12-13 09:18:32,636 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 77 transitions, 438 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-12-13 09:18:32,636 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:32,636 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2022-12-13 09:18:32,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 09:18:38,894 INFO L130 PetriNetUnfolder]: 55951/83266 cut-off events. [2022-12-13 09:18:38,895 INFO L131 PetriNetUnfolder]: For 50698/51317 co-relation queries the response was YES. [2022-12-13 09:18:39,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 239583 conditions, 83266 events. 55951/83266 cut-off events. For 50698/51317 co-relation queries the response was YES. Maximal size of possible extension queue 4020. Compared 649312 event pairs, 9293 based on Foata normal form. 2767/57280 useless extension candidates. Maximal degree in co-relation 239560. Up to 71479 conditions per place. [2022-12-13 09:18:39,522 INFO L137 encePairwiseOnDemand]: 30/44 looper letters, 79 selfloop transitions, 25 changer transitions 3/131 dead transitions. [2022-12-13 09:18:39,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 131 transitions, 926 flow [2022-12-13 09:18:39,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 09:18:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 09:18:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 133 transitions. [2022-12-13 09:18:39,523 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7556818181818182 [2022-12-13 09:18:39,523 INFO L175 Difference]: Start difference. First operand has 73 places, 77 transitions, 438 flow. Second operand 4 states and 133 transitions. [2022-12-13 09:18:39,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 131 transitions, 926 flow [2022-12-13 09:18:39,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 131 transitions, 916 flow, removed 5 selfloop flow, removed 0 redundant places. [2022-12-13 09:18:39,551 INFO L231 Difference]: Finished difference. Result has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:39,551 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=572, PETRI_PLACES=77, PETRI_TRANSITIONS=88} [2022-12-13 09:18:39,552 INFO L295 CegarLoopForPetriNet]: 97 programPoint places, -20 predicate places. [2022-12-13 09:18:39,552 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 09:18:39,552 INFO L89 Accepts]: Start accepts. Operand has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:39,553 INFO L95 Accepts]: Finished accepts. [2022-12-13 09:18:39,554 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 09:18:39,554 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:39,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:40,667 INFO L130 PetriNetUnfolder]: 11280/20446 cut-off events. [2022-12-13 09:18:40,668 INFO L131 PetriNetUnfolder]: For 7822/27252 co-relation queries the response was YES. [2022-12-13 09:18:40,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60791 conditions, 20446 events. 11280/20446 cut-off events. For 7822/27252 co-relation queries the response was YES. Maximal size of possible extension queue 3066. Compared 205733 event pairs, 3298 based on Foata normal form. 46/10024 useless extension candidates. Maximal degree in co-relation 60768. Up to 17020 conditions per place. [2022-12-13 09:18:40,838 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:40,838 INFO L226 LiptonReduction]: Number of co-enabled transitions 2876 [2022-12-13 09:18:41,179 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 09:18:41,180 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1628 [2022-12-13 09:18:41,180 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 88 transitions, 572 flow [2022-12-13 09:18:41,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2022-12-13 09:18:41,180 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 09:18:41,180 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] [2022-12-13 09:18:41,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:18:41,180 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-13 09:18:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:18:41,181 INFO L85 PathProgramCache]: Analyzing trace with hash 219957200, now seen corresponding path program 1 times [2022-12-13 09:18:41,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:18:41,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850431319] [2022-12-13 09:18:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:18:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:18:41,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:18:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:18:41,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:18:41,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850431319] [2022-12-13 09:18:41,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850431319] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:18:41,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:18:41,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 09:18:41,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366274939] [2022-12-13 09:18:41,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:18:41,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 09:18:41,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:18:41,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 09:18:41,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 09:18:41,404 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 44 [2022-12-13 09:18:41,405 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 88 transitions, 572 flow. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2022-12-13 09:18:41,405 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 09:18:41,405 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 44 [2022-12-13 09:18:41,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand