/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_REDUNDANT_FLOW -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe001_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 11:58:55,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 11:58:55,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 11:58:55,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 11:58:55,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 11:58:55,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 11:58:55,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 11:58:55,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 11:58:55,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 11:58:55,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 11:58:55,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 11:58:55,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 11:58:55,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 11:58:55,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 11:58:55,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 11:58:55,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 11:58:55,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 11:58:55,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 11:58:55,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 11:58:55,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 11:58:55,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 11:58:55,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 11:58:55,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 11:58:55,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 11:58:55,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 11:58:55,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 11:58:55,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 11:58:55,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 11:58:55,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 11:58:55,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 11:58:55,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 11:58:55,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 11:58:55,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 11:58:55,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 11:58:55,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 11:58:55,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 11:58:55,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 11:58:55,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 11:58:55,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 11:58:55,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 11:58:55,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 11:58:55,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-12 11:58:55,482 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 11:58:55,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 11:58:55,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 11:58:55,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 11:58:55,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 11:58:55,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 11:58:55,492 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 11:58:55,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 11:58:55,492 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 11:58:55,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 11:58:55,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 11:58:55,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 11:58:55,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-12 11:58:55,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 11:58:55,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 11:58:55,495 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 11:58:55,495 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_REDUNDANT_FLOW [2022-12-12 11:58:55,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 11:58:55,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 11:58:55,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 11:58:55,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 11:58:55,749 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 11:58:55,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe001_power.oepc.i [2022-12-12 11:58:56,857 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 11:58:57,098 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 11:58:57,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe001_power.oepc.i [2022-12-12 11:58:57,109 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ced4656/c95cad5becf84827926bd2588465821c/FLAGf5caf7e1d [2022-12-12 11:58:57,121 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2ced4656/c95cad5becf84827926bd2588465821c [2022-12-12 11:58:57,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 11:58:57,124 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 11:58:57,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 11:58:57,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 11:58:57,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 11:58:57,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c67d4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57, skipping insertion in model container [2022-12-12 11:58:57,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 11:58:57,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 11:58:57,262 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/safe001_power.oepc.i[995,1008] [2022-12-12 11:58:57,387 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,420 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,421 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,422 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,426 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,427 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,428 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,437 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,438 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,442 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,443 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,455 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 11:58:57,469 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 11:58:57,479 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/safe001_power.oepc.i[995,1008] [2022-12-12 11:58:57,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,534 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,539 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,540 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,542 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 11:58:57,545 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 11:58:57,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 11:58:57,578 INFO L208 MainTranslator]: Completed translation [2022-12-12 11:58:57,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57 WrapperNode [2022-12-12 11:58:57,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 11:58:57,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 11:58:57,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 11:58:57,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 11:58:57,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,640 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 170 [2022-12-12 11:58:57,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 11:58:57,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 11:58:57,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 11:58:57,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 11:58:57,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,682 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 11:58:57,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 11:58:57,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 11:58:57,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 11:58:57,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (1/1) ... [2022-12-12 11:58:57,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 11:58:57,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 11:58:57,735 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) [2022-12-12 11:58:57,737 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 [2022-12-12 11:58:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-12 11:58:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 11:58:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 11:58:57,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 11:58:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 11:58:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-12 11:58:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 11:58:57,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 11:58:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 11:58:57,769 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 11:58:57,872 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 11:58:57,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 11:58:58,319 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 11:58:58,571 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 11:58:58,571 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 11:58:58,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 11:58:58 BoogieIcfgContainer [2022-12-12 11:58:58,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 11:58:58,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 11:58:58,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 11:58:58,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 11:58:58,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 11:58:57" (1/3) ... [2022-12-12 11:58:58,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151af17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 11:58:58, skipping insertion in model container [2022-12-12 11:58:58,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 11:58:57" (2/3) ... [2022-12-12 11:58:58,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@151af17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 11:58:58, skipping insertion in model container [2022-12-12 11:58:58,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 11:58:58" (3/3) ... [2022-12-12 11:58:58,581 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_power.oepc.i [2022-12-12 11:58:58,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 11:58:58,594 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-12 11:58:58,594 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 11:58:58,687 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 11:58:58,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 132 places, 124 transitions, 263 flow [2022-12-12 11:58:58,774 INFO L130 PetriNetUnfolder]: 2/121 cut-off events. [2022-12-12 11:58:58,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 11:58:58,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131 conditions, 121 events. 2/121 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/118 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-12-12 11:58:58,780 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 124 transitions, 263 flow [2022-12-12 11:58:58,784 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 109 transitions, 227 flow [2022-12-12 11:58:58,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 11:58:58,802 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@24190163, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 11:58:58,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-12 11:58:58,842 INFO L130 PetriNetUnfolder]: 1/108 cut-off events. [2022-12-12 11:58:58,842 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 11:58:58,843 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:58:58,844 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:58:58,844 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:58:58,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:58:58,850 INFO L85 PathProgramCache]: Analyzing trace with hash -2136651461, now seen corresponding path program 1 times [2022-12-12 11:58:58,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:58:58,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606948614] [2022-12-12 11:58:58,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:58:58,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:58:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:58:59,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:58:59,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:58:59,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606948614] [2022-12-12 11:58:59,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606948614] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:58:59,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:58:59,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 11:58:59,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565938847] [2022-12-12 11:58:59,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:58:59,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 11:58:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:58:59,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 11:58:59,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 11:58:59,709 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 124 [2022-12-12 11:58:59,712 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 109 transitions, 227 flow. Second operand has 6 states, 6 states have (on average 106.83333333333333) internal successors, (641), 6 states have internal predecessors, (641), 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) [2022-12-12 11:58:59,713 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:58:59,713 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 124 [2022-12-12 11:58:59,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:00,069 INFO L130 PetriNetUnfolder]: 166/458 cut-off events. [2022-12-12 11:59:00,069 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-12 11:59:00,071 INFO L83 FinitePrefix]: Finished finitePrefix Result has 763 conditions, 458 events. 166/458 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2172 event pairs, 30 based on Foata normal form. 17/460 useless extension candidates. Maximal degree in co-relation 695. Up to 141 conditions per place. [2022-12-12 11:59:00,074 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 16 selfloop transitions, 2 changer transitions 25/136 dead transitions. [2022-12-12 11:59:00,075 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 136 transitions, 367 flow [2022-12-12 11:59:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 11:59:00,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 11:59:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 992 transitions. [2022-12-12 11:59:00,091 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-12-12 11:59:00,096 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 8 predicate places. [2022-12-12 11:59:00,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 136 transitions, 367 flow [2022-12-12 11:59:00,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 136 transitions, 360 flow, removed 2 selfloop flow, removed 3 redundant places. [2022-12-12 11:59:00,105 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 136 transitions, 360 flow [2022-12-12 11:59:00,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 106.83333333333333) internal successors, (641), 6 states have internal predecessors, (641), 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) [2022-12-12 11:59:00,106 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:00,106 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:00,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 11:59:00,107 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:00,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:00,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1364551148, now seen corresponding path program 1 times [2022-12-12 11:59:00,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:00,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560593465] [2022-12-12 11:59:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:00,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:00,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:00,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:00,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560593465] [2022-12-12 11:59:00,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560593465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:00,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:00,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:59:00,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359459059] [2022-12-12 11:59:00,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:00,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:59:00,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:00,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:59:00,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:59:00,581 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 124 [2022-12-12 11:59:00,582 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 136 transitions, 360 flow. Second operand has 7 states, 7 states have (on average 103.85714285714286) internal successors, (727), 7 states have internal predecessors, (727), 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) [2022-12-12 11:59:00,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:00,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 124 [2022-12-12 11:59:00,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:01,026 INFO L130 PetriNetUnfolder]: 710/1590 cut-off events. [2022-12-12 11:59:01,026 INFO L131 PetriNetUnfolder]: For 171/566 co-relation queries the response was YES. [2022-12-12 11:59:01,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3613 conditions, 1590 events. 710/1590 cut-off events. For 171/566 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 10578 event pairs, 198 based on Foata normal form. 18/1584 useless extension candidates. Maximal degree in co-relation 3545. Up to 607 conditions per place. [2022-12-12 11:59:01,036 INFO L137 encePairwiseOnDemand]: 116/124 looper letters, 31 selfloop transitions, 8 changer transitions 70/199 dead transitions. [2022-12-12 11:59:01,036 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 199 transitions, 822 flow [2022-12-12 11:59:01,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-12 11:59:01,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-12 11:59:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 769 transitions. [2022-12-12 11:59:01,038 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8859447004608295 [2022-12-12 11:59:01,039 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 11 predicate places. [2022-12-12 11:59:01,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 199 transitions, 822 flow [2022-12-12 11:59:01,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 199 transitions, 818 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-12 11:59:01,045 INFO L495 AbstractCegarLoop]: Abstraction has has 129 places, 199 transitions, 818 flow [2022-12-12 11:59:01,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 103.85714285714286) internal successors, (727), 7 states have internal predecessors, (727), 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) [2022-12-12 11:59:01,046 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:01,046 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:01,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 11:59:01,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:01,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:01,047 INFO L85 PathProgramCache]: Analyzing trace with hash -517168709, now seen corresponding path program 1 times [2022-12-12 11:59:01,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:01,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785537065] [2022-12-12 11:59:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:01,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:01,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:01,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785537065] [2022-12-12 11:59:01,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785537065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:01,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:01,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 11:59:01,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778544361] [2022-12-12 11:59:01,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:01,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 11:59:01,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:01,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 11:59:01,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 11:59:01,448 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 124 [2022-12-12 11:59:01,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 199 transitions, 818 flow. Second operand has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 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) [2022-12-12 11:59:01,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:01,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 124 [2022-12-12 11:59:01,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:01,954 INFO L130 PetriNetUnfolder]: 840/1975 cut-off events. [2022-12-12 11:59:01,955 INFO L131 PetriNetUnfolder]: For 569/1173 co-relation queries the response was YES. [2022-12-12 11:59:01,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5759 conditions, 1975 events. 840/1975 cut-off events. For 569/1173 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 14774 event pairs, 81 based on Foata normal form. 19/1969 useless extension candidates. Maximal degree in co-relation 5689. Up to 835 conditions per place. [2022-12-12 11:59:01,961 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 42 selfloop transitions, 4 changer transitions 162/299 dead transitions. [2022-12-12 11:59:01,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 299 transitions, 1798 flow [2022-12-12 11:59:01,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 11:59:01,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 11:59:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 994 transitions. [2022-12-12 11:59:01,964 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8906810035842294 [2022-12-12 11:59:01,965 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 19 predicate places. [2022-12-12 11:59:01,965 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 299 transitions, 1798 flow [2022-12-12 11:59:01,970 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 299 transitions, 1794 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-12-12 11:59:01,970 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 299 transitions, 1794 flow [2022-12-12 11:59:01,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 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) [2022-12-12 11:59:01,970 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:01,971 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:01,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 11:59:01,971 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:01,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -388902183, now seen corresponding path program 1 times [2022-12-12 11:59:01,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:01,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126177502] [2022-12-12 11:59:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:01,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:02,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:02,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126177502] [2022-12-12 11:59:02,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126177502] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:02,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:02,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:59:02,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987147859] [2022-12-12 11:59:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:02,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:59:02,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:02,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:59:02,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:59:02,326 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 124 [2022-12-12 11:59:02,327 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 299 transitions, 1794 flow. Second operand has 7 states, 7 states have (on average 105.85714285714286) internal successors, (741), 7 states have internal predecessors, (741), 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) [2022-12-12 11:59:02,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:02,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 124 [2022-12-12 11:59:02,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:02,819 INFO L130 PetriNetUnfolder]: 940/1999 cut-off events. [2022-12-12 11:59:02,819 INFO L131 PetriNetUnfolder]: For 1087/2978 co-relation queries the response was YES. [2022-12-12 11:59:02,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7440 conditions, 1999 events. 940/1999 cut-off events. For 1087/2978 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 14365 event pairs, 103 based on Foata normal form. 19/1993 useless extension candidates. Maximal degree in co-relation 7367. Up to 1011 conditions per place. [2022-12-12 11:59:02,828 INFO L137 encePairwiseOnDemand]: 117/124 looper letters, 34 selfloop transitions, 6 changer transitions 265/400 dead transitions. [2022-12-12 11:59:02,828 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 400 transitions, 3164 flow [2022-12-12 11:59:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-12 11:59:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-12 11:59:02,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1092 transitions. [2022-12-12 11:59:02,830 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8806451612903226 [2022-12-12 11:59:02,832 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 28 predicate places. [2022-12-12 11:59:02,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 400 transitions, 3164 flow [2022-12-12 11:59:02,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 400 transitions, 3120 flow, removed 21 selfloop flow, removed 1 redundant places. [2022-12-12 11:59:02,838 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 400 transitions, 3120 flow [2022-12-12 11:59:02,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 105.85714285714286) internal successors, (741), 7 states have internal predecessors, (741), 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) [2022-12-12 11:59:02,838 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:02,838 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:02,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 11:59:02,839 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:02,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:02,839 INFO L85 PathProgramCache]: Analyzing trace with hash -141486497, now seen corresponding path program 1 times [2022-12-12 11:59:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:02,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612457900] [2022-12-12 11:59:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:02,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:02,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:03,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:03,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612457900] [2022-12-12 11:59:03,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612457900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:03,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:03,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 11:59:03,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627104236] [2022-12-12 11:59:03,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:03,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 11:59:03,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:03,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 11:59:03,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 11:59:03,240 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 124 [2022-12-12 11:59:03,240 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 400 transitions, 3120 flow. Second operand has 6 states, 6 states have (on average 105.33333333333333) internal successors, (632), 6 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:03,241 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:03,241 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 124 [2022-12-12 11:59:03,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:03,889 INFO L130 PetriNetUnfolder]: 1126/2902 cut-off events. [2022-12-12 11:59:03,889 INFO L131 PetriNetUnfolder]: For 2621/4022 co-relation queries the response was YES. [2022-12-12 11:59:03,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11837 conditions, 2902 events. 1126/2902 cut-off events. For 2621/4022 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 25473 event pairs, 28 based on Foata normal form. 16/2887 useless extension candidates. Maximal degree in co-relation 11763. Up to 1339 conditions per place. [2022-12-12 11:59:03,900 INFO L137 encePairwiseOnDemand]: 118/124 looper letters, 51 selfloop transitions, 3 changer transitions 424/569 dead transitions. [2022-12-12 11:59:03,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 569 transitions, 5756 flow [2022-12-12 11:59:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-12 11:59:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-12 11:59:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 985 transitions. [2022-12-12 11:59:03,903 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8826164874551972 [2022-12-12 11:59:03,919 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 35 predicate places. [2022-12-12 11:59:03,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 569 transitions, 5756 flow [2022-12-12 11:59:03,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 569 transitions, 5264 flow, removed 246 selfloop flow, removed 0 redundant places. [2022-12-12 11:59:03,928 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 569 transitions, 5264 flow [2022-12-12 11:59:03,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.33333333333333) internal successors, (632), 6 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:03,929 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:03,929 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:03,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 11:59:03,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:03,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash 85829116, now seen corresponding path program 1 times [2022-12-12 11:59:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:03,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288366123] [2022-12-12 11:59:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288366123] [2022-12-12 11:59:04,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288366123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:04,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:04,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-12 11:59:04,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494106986] [2022-12-12 11:59:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:04,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-12 11:59:04,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-12 11:59:04,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-12-12 11:59:04,938 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 124 [2022-12-12 11:59:04,939 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 569 transitions, 5264 flow. Second operand has 11 states, 11 states have (on average 91.36363636363636) internal successors, (1005), 11 states have internal predecessors, (1005), 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) [2022-12-12 11:59:04,939 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:04,940 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 124 [2022-12-12 11:59:04,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:06,330 INFO L130 PetriNetUnfolder]: 3232/6653 cut-off events. [2022-12-12 11:59:06,330 INFO L131 PetriNetUnfolder]: For 11061/26984 co-relation queries the response was YES. [2022-12-12 11:59:06,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28820 conditions, 6653 events. 3232/6653 cut-off events. For 11061/26984 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 56778 event pairs, 377 based on Foata normal form. 49/6650 useless extension candidates. Maximal degree in co-relation 28735. Up to 2575 conditions per place. [2022-12-12 11:59:06,363 INFO L137 encePairwiseOnDemand]: 109/124 looper letters, 63 selfloop transitions, 15 changer transitions 568/723 dead transitions. [2022-12-12 11:59:06,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 723 transitions, 8078 flow [2022-12-12 11:59:06,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-12 11:59:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-12 11:59:06,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1626 transitions. [2022-12-12 11:59:06,367 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7713472485768501 [2022-12-12 11:59:06,369 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 51 predicate places. [2022-12-12 11:59:06,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 723 transitions, 8078 flow [2022-12-12 11:59:06,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 723 transitions, 7293 flow, removed 389 selfloop flow, removed 4 redundant places. [2022-12-12 11:59:06,390 INFO L495 AbstractCegarLoop]: Abstraction has has 165 places, 723 transitions, 7293 flow [2022-12-12 11:59:06,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 91.36363636363636) internal successors, (1005), 11 states have internal predecessors, (1005), 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) [2022-12-12 11:59:06,390 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:06,390 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:06,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 11:59:06,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:06,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:06,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1357217588, now seen corresponding path program 2 times [2022-12-12 11:59:06,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:06,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746018792] [2022-12-12 11:59:06,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:07,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:07,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:07,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746018792] [2022-12-12 11:59:07,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746018792] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:07,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:07,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-12 11:59:07,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746437273] [2022-12-12 11:59:07,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:07,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-12 11:59:07,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-12 11:59:07,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-12-12 11:59:07,468 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 124 [2022-12-12 11:59:07,469 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 723 transitions, 7293 flow. Second operand has 12 states, 12 states have (on average 90.25) internal successors, (1083), 12 states have internal predecessors, (1083), 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) [2022-12-12 11:59:07,469 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:07,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 124 [2022-12-12 11:59:07,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:09,128 INFO L130 PetriNetUnfolder]: 4083/8505 cut-off events. [2022-12-12 11:59:09,128 INFO L131 PetriNetUnfolder]: For 11762/36475 co-relation queries the response was YES. [2022-12-12 11:59:09,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40990 conditions, 8505 events. 4083/8505 cut-off events. For 11762/36475 co-relation queries the response was YES. Maximal size of possible extension queue 760. Compared 77739 event pairs, 184 based on Foata normal form. 50/8505 useless extension candidates. Maximal degree in co-relation 40903. Up to 3686 conditions per place. [2022-12-12 11:59:09,160 INFO L137 encePairwiseOnDemand]: 109/124 looper letters, 74 selfloop transitions, 23 changer transitions 1004/1177 dead transitions. [2022-12-12 11:59:09,160 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 1177 transitions, 14319 flow [2022-12-12 11:59:09,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-12 11:59:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2022-12-12 11:59:09,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 1699 transitions. [2022-12-12 11:59:09,163 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7612007168458781 [2022-12-12 11:59:09,163 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 64 predicate places. [2022-12-12 11:59:09,163 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 1177 transitions, 14319 flow [2022-12-12 11:59:09,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 1177 transitions, 13666 flow, removed 322 selfloop flow, removed 5 redundant places. [2022-12-12 11:59:09,198 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 1177 transitions, 13666 flow [2022-12-12 11:59:09,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 90.25) internal successors, (1083), 12 states have internal predecessors, (1083), 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) [2022-12-12 11:59:09,199 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:09,199 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:09,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 11:59:09,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:09,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:09,200 INFO L85 PathProgramCache]: Analyzing trace with hash 859621647, now seen corresponding path program 1 times [2022-12-12 11:59:09,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:09,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373965600] [2022-12-12 11:59:09,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:09,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:09,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:09,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:09,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373965600] [2022-12-12 11:59:09,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373965600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:09,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:09,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-12 11:59:09,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403804014] [2022-12-12 11:59:09,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:09,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 11:59:09,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:09,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 11:59:09,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-12 11:59:09,428 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-12-12 11:59:09,428 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 1177 transitions, 13666 flow. Second operand has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:09,428 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:09,428 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-12-12 11:59:09,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:11,213 INFO L130 PetriNetUnfolder]: 3921/8195 cut-off events. [2022-12-12 11:59:11,213 INFO L131 PetriNetUnfolder]: For 41759/44847 co-relation queries the response was YES. [2022-12-12 11:59:11,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35850 conditions, 8195 events. 3921/8195 cut-off events. For 41759/44847 co-relation queries the response was YES. Maximal size of possible extension queue 438. Compared 71296 event pairs, 215 based on Foata normal form. 101/7986 useless extension candidates. Maximal degree in co-relation 35773. Up to 3187 conditions per place. [2022-12-12 11:59:11,250 INFO L137 encePairwiseOnDemand]: 114/124 looper letters, 108 selfloop transitions, 9 changer transitions 577/803 dead transitions. [2022-12-12 11:59:11,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 803 transitions, 9356 flow [2022-12-12 11:59:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-12 11:59:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-12 11:59:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1092 transitions. [2022-12-12 11:59:11,253 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8806451612903226 [2022-12-12 11:59:11,253 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 68 predicate places. [2022-12-12 11:59:11,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 803 transitions, 9356 flow [2022-12-12 11:59:11,274 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 803 transitions, 8988 flow, removed 183 selfloop flow, removed 1 redundant places. [2022-12-12 11:59:11,274 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 803 transitions, 8988 flow [2022-12-12 11:59:11,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 103.33333333333333) internal successors, (620), 6 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:11,274 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:11,275 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:11,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 11:59:11,275 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:11,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1126927694, now seen corresponding path program 1 times [2022-12-12 11:59:11,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:11,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836113559] [2022-12-12 11:59:11,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:11,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:11,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:11,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:11,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836113559] [2022-12-12 11:59:11,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836113559] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:11,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:11,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-12 11:59:11,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655102805] [2022-12-12 11:59:11,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:11,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-12 11:59:11,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:11,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-12 11:59:11,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-12 11:59:11,476 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-12-12 11:59:11,477 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 803 transitions, 8988 flow. Second operand has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:11,477 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:11,477 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-12-12 11:59:11,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:12,509 INFO L130 PetriNetUnfolder]: 2397/5007 cut-off events. [2022-12-12 11:59:12,509 INFO L131 PetriNetUnfolder]: For 37726/41463 co-relation queries the response was YES. [2022-12-12 11:59:12,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23773 conditions, 5007 events. 2397/5007 cut-off events. For 37726/41463 co-relation queries the response was YES. Maximal size of possible extension queue 437. Compared 41347 event pairs, 74 based on Foata normal form. 527/5350 useless extension candidates. Maximal degree in co-relation 23694. Up to 1579 conditions per place. [2022-12-12 11:59:12,532 INFO L137 encePairwiseOnDemand]: 114/124 looper letters, 120 selfloop transitions, 28 changer transitions 321/576 dead transitions. [2022-12-12 11:59:12,532 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 576 transitions, 7408 flow [2022-12-12 11:59:12,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-12 11:59:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-12 11:59:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1422 transitions. [2022-12-12 11:59:12,535 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8821339950372209 [2022-12-12 11:59:12,536 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 64 predicate places. [2022-12-12 11:59:12,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 576 transitions, 7408 flow [2022-12-12 11:59:12,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 576 transitions, 6243 flow, removed 571 selfloop flow, removed 5 redundant places. [2022-12-12 11:59:12,552 INFO L495 AbstractCegarLoop]: Abstraction has has 177 places, 576 transitions, 6243 flow [2022-12-12 11:59:12,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 103.14285714285714) internal successors, (722), 7 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-12 11:59:12,552 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:12,553 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:12,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-12 11:59:12,553 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:12,553 INFO L85 PathProgramCache]: Analyzing trace with hash -658825320, now seen corresponding path program 1 times [2022-12-12 11:59:12,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:12,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674313139] [2022-12-12 11:59:12,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:12,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:13,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:13,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674313139] [2022-12-12 11:59:13,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674313139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:13,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:13,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-12-12 11:59:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013668644] [2022-12-12 11:59:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:13,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-12 11:59:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-12 11:59:13,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2022-12-12 11:59:13,994 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 124 [2022-12-12 11:59:13,995 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 576 transitions, 6243 flow. Second operand has 15 states, 15 states have (on average 90.0) internal successors, (1350), 15 states have internal predecessors, (1350), 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) [2022-12-12 11:59:13,995 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:13,995 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 124 [2022-12-12 11:59:13,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:14,810 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][363], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 73#L834true, 88#L779true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 306#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 85#L4true, 135#true, 13#L801true, 178#true]) [2022-12-12 11:59:14,810 INFO L382 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-12-12 11:59:14,810 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:14,810 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:14,810 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:14,887 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][363], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 73#L834true, 88#L779true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 306#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 135#true, 13#L801true, 93#L4-1true, 178#true]) [2022-12-12 11:59:14,887 INFO L382 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,887 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,887 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,887 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,888 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][459], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 16#L837true, 88#L779true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 310#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 291#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 85#L4true, 135#true, 13#L801true, 178#true]) [2022-12-12 11:59:14,888 INFO L382 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,888 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,888 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:14,888 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:15,002 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][459], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 88#L779true, 16#L837true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 310#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 291#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 135#true, 13#L801true, 93#L4-1true, 178#true]) [2022-12-12 11:59:15,002 INFO L382 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-12-12 11:59:15,002 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:15,002 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:15,002 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:15,461 INFO L130 PetriNetUnfolder]: 3313/7119 cut-off events. [2022-12-12 11:59:15,474 INFO L131 PetriNetUnfolder]: For 43977/47840 co-relation queries the response was YES. [2022-12-12 11:59:15,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31962 conditions, 7119 events. 3313/7119 cut-off events. For 43977/47840 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 62964 event pairs, 73 based on Foata normal form. 936/7963 useless extension candidates. Maximal degree in co-relation 31872. Up to 2148 conditions per place. [2022-12-12 11:59:15,506 INFO L137 encePairwiseOnDemand]: 108/124 looper letters, 179 selfloop transitions, 40 changer transitions 496/822 dead transitions. [2022-12-12 11:59:15,506 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 822 transitions, 11017 flow [2022-12-12 11:59:15,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-12-12 11:59:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2022-12-12 11:59:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 1769 transitions. [2022-12-12 11:59:15,509 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7508488964346349 [2022-12-12 11:59:15,509 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 77 predicate places. [2022-12-12 11:59:15,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 822 transitions, 11017 flow [2022-12-12 11:59:15,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 822 transitions, 10468 flow, removed 258 selfloop flow, removed 7 redundant places. [2022-12-12 11:59:15,657 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 822 transitions, 10468 flow [2022-12-12 11:59:15,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 90.0) internal successors, (1350), 15 states have internal predecessors, (1350), 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) [2022-12-12 11:59:15,657 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:15,657 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:15,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-12 11:59:15,658 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:15,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1519212044, now seen corresponding path program 2 times [2022-12-12 11:59:15,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:15,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228683202] [2022-12-12 11:59:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:15,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:16,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:16,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228683202] [2022-12-12 11:59:16,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228683202] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:16,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:16,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-12-12 11:59:16,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913899465] [2022-12-12 11:59:16,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:16,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-12-12 11:59:16,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:16,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-12-12 11:59:16,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-12-12 11:59:16,954 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 124 [2022-12-12 11:59:16,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 822 transitions, 10468 flow. Second operand has 16 states, 16 states have (on average 87.0625) internal successors, (1393), 16 states have internal predecessors, (1393), 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) [2022-12-12 11:59:16,955 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:16,955 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 124 [2022-12-12 11:59:16,955 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:17,854 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][376], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 88#L779true, 73#L834true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 306#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 85#L4true, 135#true, 13#L801true, 357#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 178#true]) [2022-12-12 11:59:17,854 INFO L382 tUnfolder$Statistics]: this new event has 89 ancestors and is cut-off event [2022-12-12 11:59:17,854 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:17,854 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:17,854 INFO L385 tUnfolder$Statistics]: existing Event has 89 ancestors and is cut-off event [2022-12-12 11:59:17,932 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][376], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 88#L779true, 73#L834true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 306#(and (= ~__unbuffered_cnt~0 0) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 135#true, 13#L801true, 357#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 93#L4-1true, 178#true]) [2022-12-12 11:59:17,933 INFO L382 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,933 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,933 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,933 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,933 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][480], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 16#L837true, 88#L779true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 310#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 291#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 85#L4true, 135#true, 13#L801true, 357#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 178#true]) [2022-12-12 11:59:17,933 INFO L382 tUnfolder$Statistics]: this new event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,934 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,934 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:17,934 INFO L385 tUnfolder$Statistics]: existing Event has 90 ancestors and is cut-off event [2022-12-12 11:59:18,023 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([743] L793-->L801: Formula: (let ((.cse4 (= (mod v_~y$r_buff0_thd2~0_36 256) 0))) (let ((.cse9 (= (mod v_~y$r_buff1_thd2~0_34 256) 0)) (.cse1 (not .cse4)) (.cse11 (not (= (mod v_~y$w_buff0_used~0_260 256) 0))) (.cse8 (= (mod v_~y$w_buff1_used~0_243 256) 0)) (.cse3 (= (mod v_~y$w_buff0_used~0_261 256) 0))) (let ((.cse0 (not .cse3)) (.cse5 (not .cse8)) (.cse10 (and .cse1 .cse11)) (.cse6 (not .cse9)) (.cse7 (select |v_#memory_int_275| |v_~#y~0.base_206|))) (and (= (ite (and .cse0 .cse1) 0 v_~y$w_buff0_used~0_261) v_~y$w_buff0_used~0_260) (let ((.cse2 (= |v_P1Thread1of1ForFork2_#t~mem19_1| |v_P1_#t~mem19_32|))) (or (and .cse0 .cse1 .cse2 (= |v_P1Thread1of1ForFork2_#t~ite20_1| |v_P1_#t~ite20_29|) (= |v_P1_#t~ite21_25| v_~y$w_buff0~0_119)) (and (or .cse3 .cse4) (or (and .cse2 .cse5 (= v_~y$w_buff1~0_117 |v_P1_#t~ite20_29|) .cse6) (and (= (select .cse7 |v_~#y~0.offset_206|) |v_P1_#t~mem19_32|) (= |v_P1_#t~ite20_29| |v_P1_#t~mem19_32|) (or .cse8 .cse9))) (= |v_P1_#t~ite20_29| |v_P1_#t~ite21_25|)))) (= v_~y$w_buff1_used~0_242 (ite (or (and .cse5 .cse6) .cse10) 0 v_~y$w_buff1_used~0_243)) (= (ite .cse10 0 v_~y$r_buff0_thd2~0_36) v_~y$r_buff0_thd2~0_35) (= (ite (or (and (not (= (mod v_~y$w_buff1_used~0_242 256) 0)) .cse6) (and (not (= (mod v_~y$r_buff0_thd2~0_35 256) 0)) .cse11)) 0 v_~y$r_buff1_thd2~0_34) v_~y$r_buff1_thd2~0_33) (= (store |v_#memory_int_275| |v_~#y~0.base_206| (store .cse7 |v_~#y~0.offset_206| |v_P1_#t~ite21_25|)) |v_#memory_int_274|))))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_34, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_261, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_36, #memory_int=|v_#memory_int_275|, P1Thread1of1ForFork2_#t~ite20=|v_P1Thread1of1ForFork2_#t~ite20_1|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~mem19=|v_P1Thread1of1ForFork2_#t~mem19_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_243} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_33, ~#y~0.offset=|v_~#y~0.offset_206|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_260, ~y$w_buff1~0=v_~y$w_buff1~0_117, ~y$w_buff0~0=v_~y$w_buff0~0_119, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_35, #memory_int=|v_#memory_int_274|, ~#y~0.base=|v_~#y~0.base_206|, P1Thread1of1ForFork2_#t~ite21=|v_P1Thread1of1ForFork2_#t~ite21_1|, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_242} AuxVars[|v_P1_#t~mem19_32|, |v_P1_#t~ite20_29|, |v_P1_#t~ite21_25|] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, #memory_int, P1Thread1of1ForFork2_#t~ite20, P1Thread1of1ForFork2_#t~ite21, ~y$w_buff1_used~0, P1Thread1of1ForFork2_#t~mem19][480], [P0Thread1of1ForFork1InUse, 248#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= ~y$w_buff0_used~0 0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), P2Thread1of1ForFork0InUse, P1Thread1of1ForFork2InUse, 88#L779true, 16#L837true, 151#true, 217#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 310#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= ~__unbuffered_cnt~0 1) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 324#(and (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff1_thd2~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= (select (select |#memory_int| |~#y~0.base|) |~#y~0.offset|) 1) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 195#true, 291#(and (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 0) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= ~main$tmp_guard0~0 0) (< 0 (+ |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (<= 0 ~main$tmp_guard0~0)), 135#true, 13#L801true, 93#L4-1true, 357#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y$r_buff0_thd2~0 0) (= ~y$w_buff1~0 ~y$w_buff0~0) (= ~y$r_buff0_thd3~0 0) (= 2 ~x~0) (= ~y$r_buff1_thd0~0 0) (= ~y$r_buff1_thd3~0 0)), 178#true]) [2022-12-12 11:59:18,025 INFO L382 tUnfolder$Statistics]: this new event has 91 ancestors and is cut-off event [2022-12-12 11:59:18,025 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:18,025 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:18,025 INFO L385 tUnfolder$Statistics]: existing Event has 91 ancestors and is cut-off event [2022-12-12 11:59:18,474 INFO L130 PetriNetUnfolder]: 3387/7373 cut-off events. [2022-12-12 11:59:18,475 INFO L131 PetriNetUnfolder]: For 62282/68230 co-relation queries the response was YES. [2022-12-12 11:59:18,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34704 conditions, 7373 events. 3387/7373 cut-off events. For 62282/68230 co-relation queries the response was YES. Maximal size of possible extension queue 582. Compared 66128 event pairs, 78 based on Foata normal form. 1338/8619 useless extension candidates. Maximal degree in co-relation 34611. Up to 2201 conditions per place. [2022-12-12 11:59:18,507 INFO L137 encePairwiseOnDemand]: 106/124 looper letters, 152 selfloop transitions, 80 changer transitions 542/874 dead transitions. [2022-12-12 11:59:18,507 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 874 transitions, 12688 flow [2022-12-12 11:59:18,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-12 11:59:18,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-12 11:59:18,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1872 transitions. [2022-12-12 11:59:18,510 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7188940092165899 [2022-12-12 11:59:18,510 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 90 predicate places. [2022-12-12 11:59:18,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 874 transitions, 12688 flow [2022-12-12 11:59:18,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 874 transitions, 11579 flow, removed 480 selfloop flow, removed 11 redundant places. [2022-12-12 11:59:18,533 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 874 transitions, 11579 flow [2022-12-12 11:59:18,533 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 87.0625) internal successors, (1393), 16 states have internal predecessors, (1393), 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) [2022-12-12 11:59:18,533 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:18,533 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:18,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-12 11:59:18,534 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:18,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:18,534 INFO L85 PathProgramCache]: Analyzing trace with hash -968858125, now seen corresponding path program 1 times [2022-12-12 11:59:18,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:18,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086379363] [2022-12-12 11:59:18,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:18,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 11:59:18,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 11:59:18,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 11:59:18,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086379363] [2022-12-12 11:59:18,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086379363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 11:59:18,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 11:59:18,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-12 11:59:18,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013509191] [2022-12-12 11:59:18,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 11:59:18,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-12 11:59:18,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 11:59:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-12 11:59:18,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-12 11:59:18,746 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 124 [2022-12-12 11:59:18,747 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 874 transitions, 11579 flow. Second operand has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 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) [2022-12-12 11:59:18,747 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 11:59:18,747 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 124 [2022-12-12 11:59:18,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 11:59:20,341 INFO L130 PetriNetUnfolder]: 3108/6750 cut-off events. [2022-12-12 11:59:20,342 INFO L131 PetriNetUnfolder]: For 52755/55161 co-relation queries the response was YES. [2022-12-12 11:59:20,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33976 conditions, 6750 events. 3108/6750 cut-off events. For 52755/55161 co-relation queries the response was YES. Maximal size of possible extension queue 547. Compared 60893 event pairs, 76 based on Foata normal form. 620/7324 useless extension candidates. Maximal degree in co-relation 33896. Up to 1748 conditions per place. [2022-12-12 11:59:20,371 INFO L137 encePairwiseOnDemand]: 114/124 looper letters, 94 selfloop transitions, 26 changer transitions 499/717 dead transitions. [2022-12-12 11:59:20,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 717 transitions, 11095 flow [2022-12-12 11:59:20,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-12 11:59:20,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-12 11:59:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1716 transitions. [2022-12-12 11:59:20,385 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8649193548387096 [2022-12-12 11:59:20,386 INFO L295 CegarLoopForPetriNet]: 118 programPoint places, 55 predicate places. [2022-12-12 11:59:20,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 717 transitions, 11095 flow [2022-12-12 11:59:20,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 717 transitions, 9165 flow, removed 863 selfloop flow, removed 10 redundant places. [2022-12-12 11:59:20,411 INFO L495 AbstractCegarLoop]: Abstraction has has 163 places, 717 transitions, 9165 flow [2022-12-12 11:59:20,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 103.125) internal successors, (825), 8 states have internal predecessors, (825), 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) [2022-12-12 11:59:20,412 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 11:59:20,412 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:20,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-12 11:59:20,412 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-12 11:59:20,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 11:59:20,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1084885170, now seen corresponding path program 1 times [2022-12-12 11:59:20,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 11:59:20,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278329387] [2022-12-12 11:59:20,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 11:59:20,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 11:59:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 11:59:20,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-12 11:59:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-12 11:59:20,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-12 11:59:20,595 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-12 11:59:20,596 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-12 11:59:20,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-12 11:59:20,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-12 11:59:20,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-12 11:59:20,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-12 11:59:20,598 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 11:59:20,602 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-12 11:59:20,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-12 11:59:20,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.12 11:59:20 BasicIcfg [2022-12-12 11:59:20,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-12 11:59:20,721 INFO L158 Benchmark]: Toolchain (without parser) took 23596.77ms. Allocated memory was 217.1MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 192.4MB in the beginning and 1.1GB in the end (delta: -918.2MB). Peak memory consumption was 883.7MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,721 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 217.1MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-12 11:59:20,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 454.46ms. Allocated memory is still 217.1MB. Free memory was 192.4MB in the beginning and 162.6MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.16ms. Allocated memory is still 217.1MB. Free memory was 162.6MB in the beginning and 160.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,723 INFO L158 Benchmark]: Boogie Preprocessor took 45.03ms. Allocated memory is still 217.1MB. Free memory was 160.0MB in the beginning and 157.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,723 INFO L158 Benchmark]: RCFGBuilder took 887.60ms. Allocated memory is still 217.1MB. Free memory was 157.3MB in the beginning and 123.0MB in the end (delta: 34.3MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,723 INFO L158 Benchmark]: TraceAbstraction took 22143.03ms. Allocated memory was 217.1MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 122.0MB in the beginning and 1.1GB in the end (delta: -988.7MB). Peak memory consumption was 813.8MB. Max. memory is 8.0GB. [2022-12-12 11:59:20,724 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 217.1MB. Free memory is still 193.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 454.46ms. Allocated memory is still 217.1MB. Free memory was 192.4MB in the beginning and 162.6MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.16ms. Allocated memory is still 217.1MB. Free memory was 162.6MB in the beginning and 160.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.03ms. Allocated memory is still 217.1MB. Free memory was 160.0MB in the beginning and 157.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 887.60ms. Allocated memory is still 217.1MB. Free memory was 157.3MB in the beginning and 123.0MB in the end (delta: 34.3MB). Peak memory consumption was 34.6MB. Max. memory is 8.0GB. * TraceAbstraction took 22143.03ms. Allocated memory was 217.1MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 122.0MB in the beginning and 1.1GB in the end (delta: -988.7MB). Peak memory consumption was 813.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L713] 0 _Bool __unbuffered_p0_EAX$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0] [L714] 0 int __unbuffered_p0_EAX$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0] [L715] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0] [L716] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0] [L717] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0] [L718] 0 _Bool __unbuffered_p0_EAX$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0] [L719] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0] [L720] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0] [L721] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0] [L722] 0 _Bool __unbuffered_p0_EAX$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0] [L723] 0 _Bool __unbuffered_p0_EAX$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0] [L724] 0 int *__unbuffered_p0_EAX$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}] [L725] 0 int __unbuffered_p0_EAX$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0] [L726] 0 _Bool __unbuffered_p0_EAX$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0] [L727] 0 int __unbuffered_p0_EAX$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0] [L728] 0 _Bool __unbuffered_p0_EAX$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0] [L730] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0] [L731] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0] [L732] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0] [L734] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L736] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}] [L737] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0] [L738] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0] [L739] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L740] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L741] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L742] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L743] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0] [L744] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L745] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L746] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L747] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L748] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L749] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L750] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L751] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L752] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L753] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L754] 0 _Bool weak$$choice1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L755] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L851] 0 pthread_t t1801; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1801={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L852] FCALL, FORK 0 pthread_create(&t1801, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1801, ((void *)0), P0, ((void *)0))=0, t1801={5:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L853] 0 pthread_t t1802; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1801={5:0}, t1802={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L854] FCALL, FORK 0 pthread_create(&t1802, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=0, __unbuffered_p0_EAX$read_delayed_var={0:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1802, ((void *)0), P1, ((void *)0))=1, t1801={5:0}, t1802={7:0}, weak$$choice0=0, weak$$choice1=0, weak$$choice2=0, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L759] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L760] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L761] 1 y$flush_delayed = weak$$choice2 [L762] EXPR 1 \read(y) [L762] 1 y$mem_tmp = y [L763] 1 weak$$choice1 = __VERIFIER_nondet_bool() [L764] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L764] EXPR 1 \read(y) [L764] EXPR 1 !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L764] 1 y = !y$w_buff0_used ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y : (weak$$choice1 ? y$w_buff0 : y$w_buff1)) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$w_buff1 : y$w_buff0) : (weak$$choice0 ? y$w_buff0 : y)))) [L765] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)))) [L766] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)))) [L767] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 || !weak$$choice1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : weak$$choice0)))) [L768] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? weak$$choice0 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L769] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L770] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (y$w_buff0_used && !y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (weak$$choice0 ? y$r_buff1_thd1 : (_Bool)0) : (y$w_buff0_used && y$r_buff1_thd1 && y$w_buff1_used && !y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)))) [L771] 1 __unbuffered_p0_EAX$read_delayed = (_Bool)1 [L772] 1 __unbuffered_p0_EAX$read_delayed_var = &y [L773] EXPR 1 \read(y) [L773] 1 __unbuffered_p0_EAX = y [L774] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L774] 1 y = y$flush_delayed ? y$mem_tmp : y [L775] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=0, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L778] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=1, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L790] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L855] 0 pthread_t t1803; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1801={5:0}, t1802={7:0}, t1803={8:0}, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] FCALL, FORK 0 pthread_create(&t1803, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t1803, ((void *)0), P2, ((void *)0))=2, t1801={5:0}, t1802={7:0}, t1803={8:0}, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L793] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L796] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L796] EXPR 2 \read(y) [L796] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L796] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L796] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L797] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L798] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L799] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L800] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L810] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L811] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L812] 3 y$flush_delayed = weak$$choice2 [L813] EXPR 3 \read(y) [L813] 3 y$mem_tmp = y [L814] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L814] EXPR 3 \read(y) [L814] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L814] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L815] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L816] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L817] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L818] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L820] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L821] EXPR 3 \read(y) [L821] 3 __unbuffered_p2_EAX = y [L822] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L822] 3 y = y$flush_delayed ? y$mem_tmp : y [L823] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L826] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L829] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L829] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L829] EXPR 3 \read(y) [L829] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L829] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L829] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L830] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L831] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L832] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L833] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L783] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L803] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L836] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1801={5:0}, t1802={7:0}, t1803={8:0}, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L860] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L860] RET 0 assume_abort_if_not(main$tmp_guard0) [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L862] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L862] EXPR 0 \read(y) [L862] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L862] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L862] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L863] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L864] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L865] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L866] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1801={5:0}, t1802={7:0}, t1803={8:0}, weak$$choice0=3, weak$$choice1=1, weak$$choice2=1, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L869] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L870] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L871] 0 y$flush_delayed = weak$$choice2 [L872] EXPR 0 \read(y) [L872] 0 y$mem_tmp = y [L873] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L873] EXPR 0 \read(y) [L873] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L873] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L874] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L875] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L876] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L877] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L879] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 weak$$choice1 = __VERIFIER_nondet_bool() [L881] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L881] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L881] EXPR 0 \read(*__unbuffered_p0_EAX$read_delayed_var) [L881] EXPR 0 weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX [L881] EXPR 0 __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L881] 0 __unbuffered_p0_EAX = __unbuffered_p0_EAX$read_delayed ? (weak$$choice1 ? *__unbuffered_p0_EAX$read_delayed_var : __unbuffered_p0_EAX) : __unbuffered_p0_EAX [L882] EXPR 0 x == 2 && y == 2 [L882] EXPR 0 \read(y) [L882] EXPR 0 x == 2 && y == 2 [L882] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p0_EAX == 2 && __unbuffered_p2_EAX == 1) [L883] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L883] EXPR 0 \read(y) [L883] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L883] 0 y = y$flush_delayed ? y$mem_tmp : y [L884] 0 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1801={5:0}, t1802={7:0}, t1803={8:0}, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L886] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L19] 0 reach_error() VAL [\old(expression)=0, __unbuffered_cnt=3, __unbuffered_p0_EAX=2, __unbuffered_p0_EAX$flush_delayed=0, __unbuffered_p0_EAX$mem_tmp=0, __unbuffered_p0_EAX$r_buff0_thd0=0, __unbuffered_p0_EAX$r_buff0_thd1=0, __unbuffered_p0_EAX$r_buff0_thd2=0, __unbuffered_p0_EAX$r_buff0_thd3=0, __unbuffered_p0_EAX$r_buff1_thd0=0, __unbuffered_p0_EAX$r_buff1_thd1=0, __unbuffered_p0_EAX$r_buff1_thd2=0, __unbuffered_p0_EAX$r_buff1_thd3=0, __unbuffered_p0_EAX$read_delayed=1, __unbuffered_p0_EAX$read_delayed_var={3:0}, __unbuffered_p0_EAX$w_buff0=0, __unbuffered_p0_EAX$w_buff0_used=0, __unbuffered_p0_EAX$w_buff1=0, __unbuffered_p0_EAX$w_buff1_used=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice1=255, weak$$choice2=0, x=2, y={3:0}, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - UnprovableResult [Line: 852]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 854]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 149 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.3s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 21.9s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 13.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1045 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1045 mSDsluCounter, 880 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 692 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1848 IncrementalHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 188 mSDtfsCounter, 1848 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13666occurred in iteration=7, InterpolantAutomatonStates: 158, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 7110 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1221 NumberOfCodeBlocks, 1221 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1108 ConstructedInterpolants, 0 QuantifiedInterpolants, 6501 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-12 11:59:20,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...