/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe003_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:26:27,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:26:27,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:26:27,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:26:27,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:26:27,475 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:26:27,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:26:27,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:26:27,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:26:27,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:26:27,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:26:27,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:26:27,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:26:27,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:26:27,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:26:27,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:26:27,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:26:27,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:26:27,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:26:27,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:26:27,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:26:27,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:26:27,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:26:27,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:26:27,513 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 23:26:27,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 23:26:27,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 23:26:27,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 23:26:27,516 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 23:26:27,517 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 23:26:27,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:26:27,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:26:27,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:26:27,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:26:27,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:26:27,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:26:27,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:26:27,528 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:26:27,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:26:27,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:26:27,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:26:27,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:26:27,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:26:27,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:26:27,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:26:27,597 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:26:27,598 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:26:27,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:26:27,598 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:26:27,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:26:27,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:26:27,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:26:27,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:26:27,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:26:27,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:26:27,601 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:26:27,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:26:27,601 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:26:27,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:26:27,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:26:27,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:26:27,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:26:27,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:26:27,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:26:27,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:26:27,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:26:27,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:26:27,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:26:27,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:26:27,604 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:26:27,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:26:27,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:26:27,605 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:26:28,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:26:28,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:26:28,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:26:28,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:26:28,104 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:26:28,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe003_pso.opt.i [2021-04-28 23:26:28,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a231a232/2873375277b34252b19d199505b08bdc/FLAG65e66e5df [2021-04-28 23:26:29,072 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:26:29,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_pso.opt.i [2021-04-28 23:26:29,097 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a231a232/2873375277b34252b19d199505b08bdc/FLAG65e66e5df [2021-04-28 23:26:29,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a231a232/2873375277b34252b19d199505b08bdc [2021-04-28 23:26:29,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:26:29,330 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:26:29,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:26:29,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:26:29,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:26:29,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:26:29" (1/1) ... [2021-04-28 23:26:29,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef84ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:29, skipping insertion in model container [2021-04-28 23:26:29,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:26:29" (1/1) ... [2021-04-28 23:26:29,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:26:29,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:26:29,644 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_pso.opt.i[949,962] [2021-04-28 23:26:29,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:26:29,996 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:26:30,017 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe003_pso.opt.i[949,962] [2021-04-28 23:26:30,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:26:30,302 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:26:30,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30 WrapperNode [2021-04-28 23:26:30,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:26:30,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:26:30,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:26:30,305 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:26:30,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:26:30,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:26:30,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:26:30,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:26:30,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... [2021-04-28 23:26:30,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:26:30,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:26:30,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:26:30,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:26:30,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:26:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:26:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:26:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:26:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:26:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:26:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:26:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:26:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:26:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:26:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:26:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:26:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:26:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:26:30,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:26:30,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:26:34,512 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:26:34,513 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:26:34,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:26:34 BoogieIcfgContainer [2021-04-28 23:26:34,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:26:34,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:26:34,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:26:34,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:26:34,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:26:29" (1/3) ... [2021-04-28 23:26:34,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e4fc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:26:34, skipping insertion in model container [2021-04-28 23:26:34,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:26:30" (2/3) ... [2021-04-28 23:26:34,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e4fc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:26:34, skipping insertion in model container [2021-04-28 23:26:34,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:26:34" (3/3) ... [2021-04-28 23:26:34,526 INFO L111 eAbstractionObserver]: Analyzing ICFG safe003_pso.opt.i [2021-04-28 23:26:34,535 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:26:34,542 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:26:34,543 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:26:34,593 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,594 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,594 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,594 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,595 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,595 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,596 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,596 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,597 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,597 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,599 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,600 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,601 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,602 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,602 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,603 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,603 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,604 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,605 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,606 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,607 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,608 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,608 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,609 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,609 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,610 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,611 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,612 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,613 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,614 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,615 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,616 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,618 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,619 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,620 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,621 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,622 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,623 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,624 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,626 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,627 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,627 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,627 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,627 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,627 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,628 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,629 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,630 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,631 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,632 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,633 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,635 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,636 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,637 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,638 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,639 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,640 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,641 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,643 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,644 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,645 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,646 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,647 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,650 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,651 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,652 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,652 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,655 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,655 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,656 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,657 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,658 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,659 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,660 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,661 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,662 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,663 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,664 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,665 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,666 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,666 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,667 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,667 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,668 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,669 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,670 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:26:34,671 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:26:34,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:26:34,728 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:26:34,728 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:26:34,728 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:26:34,728 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:26:34,728 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:26:34,729 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:26:34,729 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:26:34,729 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:26:34,745 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:26:34,795 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:26:34,795 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:34,801 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:26:34,801 INFO L82 GeneralOperation]: Start removeDead. Operand has 106 places, 98 transitions, 211 flow [2021-04-28 23:26:34,808 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 103 places, 95 transitions, 199 flow [2021-04-28 23:26:34,811 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:26:34,831 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:26:34,836 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 95 transitions, 199 flow [2021-04-28 23:26:34,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 95 transitions, 199 flow [2021-04-28 23:26:34,864 INFO L129 PetriNetUnfolder]: 2/95 cut-off events. [2021-04-28 23:26:34,865 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:26:34,866 INFO L84 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 95 events. 2/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:26:34,870 INFO L146 LiptonReduction]: Number of co-enabled transitions 1694 [2021-04-28 23:26:37,186 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 215 DAG size of output: 175 [2021-04-28 23:26:38,095 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2021-04-28 23:26:40,323 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 299 DAG size of output: 255 [2021-04-28 23:26:41,310 WARN L205 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-04-28 23:26:44,005 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:26:44,505 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:26:46,946 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:26:48,048 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:26:48,579 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:26:48,700 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:26:49,356 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 23:26:49,636 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 23:26:50,733 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 23:26:52,376 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:26:53,547 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-28 23:26:56,205 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:26:57,387 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:26:59,405 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:27:00,023 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:27:02,964 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:27:04,340 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:27:05,957 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-28 23:27:06,642 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-28 23:27:10,017 WARN L205 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-28 23:27:11,455 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-28 23:27:16,371 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 23:27:17,928 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2021-04-28 23:27:21,458 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:27:23,102 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:27:24,984 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 23:27:25,824 WARN L205 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 23:27:29,478 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 315 DAG size of output: 270 [2021-04-28 23:27:31,170 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:27:34,103 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:27:35,035 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:27:39,181 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:27:41,031 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:27:43,416 WARN L205 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 23:27:44,460 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 23:27:49,173 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 315 DAG size of output: 270 [2021-04-28 23:27:51,325 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:27:53,351 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:27:53,558 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:27:53,959 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-28 23:27:57,640 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-28 23:27:58,867 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 23:28:04,051 WARN L205 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-28 23:28:06,325 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 23:28:09,059 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-28 23:28:10,276 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 23:28:15,817 WARN L205 SmtUtils]: Spent 5.54 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:28:18,213 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:28:21,156 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:28:22,449 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:28:28,082 WARN L205 SmtUtils]: Spent 5.63 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:28:30,726 WARN L205 SmtUtils]: Spent 2.64 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:28:31,047 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:28:31,200 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:28:31,359 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:28:31,514 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:28:31,652 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:28:31,784 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:28:31,917 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:28:32,063 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:28:32,199 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:32,342 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:32,491 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:32,631 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:32,792 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:28:32,951 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:28:33,121 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:28:33,276 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:28:33,452 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:33,622 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:33,785 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:33,970 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:34,125 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:34,290 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:34,449 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:34,598 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:34,736 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:34,876 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,012 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,151 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,292 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,432 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,572 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,708 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:28:35,891 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:28:36,055 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:28:36,234 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:28:36,412 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 23:28:37,412 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:28:37,583 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:37,753 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:28:37,909 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:38,071 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:38,210 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:38,377 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:38,515 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:38,662 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:28:38,796 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:28:38,946 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:28:39,079 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:28:39,230 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:39,364 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:28:39,514 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:39,661 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:28:39,827 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:39,982 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:40,150 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:28:40,302 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:28:40,486 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:28:40,650 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:28:40,832 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:28:40,999 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:28:41,415 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:28:41,657 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:28:41,924 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:28:42,179 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:28:42,382 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:42,603 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:42,830 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:43,031 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:43,254 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:28:43,492 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:43,729 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:28:43,933 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:44,180 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:28:44,434 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:28:44,700 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:28:44,955 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:28:45,177 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:28:45,371 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:45,572 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:28:45,805 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:46,036 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:46,256 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:28:46,507 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:46,746 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:28:46,967 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:47,166 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:28:47,370 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:47,577 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:28:47,775 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:28:47,964 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:28:48,170 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:28:48,339 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:28:48,550 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:48,776 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:49,026 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:49,227 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:49,471 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:49,668 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:49,892 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:28:50,100 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:28:51,239 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:51,398 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:51,585 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:51,765 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:28:53,167 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:53,321 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:53,472 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:53,628 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:28:54,599 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:54,842 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:55,063 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:55,318 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:28:55,699 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:28:56,083 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:28:56,476 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:28:56,890 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:28:57,232 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:28:57,577 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:28:57,973 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:28:58,318 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:28:58,701 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:28:59,094 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:28:59,451 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:28:59,833 WARN L205 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:29:00,248 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:00,689 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:01,066 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:01,466 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:01,701 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:29:01,925 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:29:02,168 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:29:02,389 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:29:02,672 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:29:02,994 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:29:03,269 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:29:03,547 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:29:03,924 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:04,306 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:04,698 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:05,075 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:05,336 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:05,606 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:05,872 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:06,128 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:07,239 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 23:29:07,761 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 23:29:08,908 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 23:29:09,446 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 23:29:09,726 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:10,024 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:10,265 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:10,550 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:29:10,861 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:29:11,185 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:29:11,518 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:29:11,848 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:29:12,965 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 23:29:13,504 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 23:29:14,599 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 23:29:15,121 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 23:29:15,448 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:29:15,756 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:29:16,034 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:29:16,306 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:29:16,593 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:29:16,947 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:29:17,280 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:29:17,590 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:29:17,976 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:29:18,349 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:29:18,696 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:29:19,074 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:29:19,473 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:29:19,866 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:29:20,260 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:29:20,614 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:29:21,027 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:21,425 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:21,818 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:22,258 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 23:29:22,657 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:29:23,047 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:29:23,435 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:29:23,802 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:29:24,109 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:29:24,436 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:29:24,693 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:29:24,964 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:29:25,009 INFO L158 LiptonReduction]: Checked pairs total: 14796 [2021-04-28 23:29:25,009 INFO L160 LiptonReduction]: Total number of compositions: 212 [2021-04-28 23:29:25,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 170206 [2021-04-28 23:29:25,052 INFO L129 PetriNetUnfolder]: 0/53 cut-off events. [2021-04-28 23:29:25,052 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:29:25,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:25,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 23:29:25,056 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:25,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:25,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1819574, now seen corresponding path program 1 times [2021-04-28 23:29:25,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:25,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750087] [2021-04-28 23:29:25,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:25,503 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:25,505 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:25,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750087] [2021-04-28 23:29:25,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:25,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:29:25,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15099599] [2021-04-28 23:29:25,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:29:25,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:25,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:29:25,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:29:25,568 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 310 [2021-04-28 23:29:25,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 118 transitions, 245 flow. Second operand has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:25,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:25,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 310 [2021-04-28 23:29:25,578 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:26,736 INFO L129 PetriNetUnfolder]: 759/1734 cut-off events. [2021-04-28 23:29:26,736 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:29:26,745 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2921 conditions, 1734 events. 759/1734 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 286. Compared 13903 event pairs, 624 based on Foata normal form. 23/991 useless extension candidates. Maximal degree in co-relation 2855. Up to 869 conditions per place. [2021-04-28 23:29:26,752 INFO L132 encePairwiseOnDemand]: 294/310 looper letters, 13 selfloop transitions, 2 changer transitions 86/133 dead transitions. [2021-04-28 23:29:26,752 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 133 transitions, 379 flow [2021-04-28 23:29:26,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:29:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:29:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 766 transitions. [2021-04-28 23:29:26,779 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8236559139784946 [2021-04-28 23:29:26,780 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 766 transitions. [2021-04-28 23:29:26,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 766 transitions. [2021-04-28 23:29:26,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:26,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 766 transitions. [2021-04-28 23:29:26,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 255.33333333333334) internal successors, (766), 3 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:26,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:26,826 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:26,829 INFO L185 Difference]: Start difference. First operand has 126 places, 118 transitions, 245 flow. Second operand 3 states and 766 transitions. [2021-04-28 23:29:26,831 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 133 transitions, 379 flow [2021-04-28 23:29:26,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 133 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:29:26,841 INFO L241 Difference]: Finished difference. Result has 122 places, 41 transitions, 92 flow [2021-04-28 23:29:26,844 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=122, PETRI_TRANSITIONS=41} [2021-04-28 23:29:26,845 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -4 predicate places. [2021-04-28 23:29:26,846 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:26,846 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-28 23:29:26,848 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 41 transitions, 92 flow [2021-04-28 23:29:26,848 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-28 23:29:26,857 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:29:26,857 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:29:26,857 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 141 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:29:26,858 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-28 23:29:26,862 INFO L158 LiptonReduction]: Checked pairs total: 900 [2021-04-28 23:29:26,862 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:26,862 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 16 [2021-04-28 23:29:26,869 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-28 23:29:26,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 237.66666666666666) internal successors, (713), 3 states have internal predecessors, (713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:26,870 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:26,870 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:26,871 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:29:26,871 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:26,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:26,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1265341375, now seen corresponding path program 1 times [2021-04-28 23:29:26,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:26,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705716425] [2021-04-28 23:29:26,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:27,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:27,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:27,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:27,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705716425] [2021-04-28 23:29:27,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:27,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:29:27,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791587283] [2021-04-28 23:29:27,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:29:27,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:27,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:29:27,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:29:27,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 310 [2021-04-28 23:29:27,036 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:27,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 310 [2021-04-28 23:29:27,037 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:27,060 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:29:27,061 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:29:27,061 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 154 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:27,061 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 1 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2021-04-28 23:29:27,061 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 98 flow [2021-04-28 23:29:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:29:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:29:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2021-04-28 23:29:27,069 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7268817204301076 [2021-04-28 23:29:27,069 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2021-04-28 23:29:27,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2021-04-28 23:29:27,070 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:27,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2021-04-28 23:29:27,073 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,078 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,078 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 676 transitions. [2021-04-28 23:29:27,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 98 flow [2021-04-28 23:29:27,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:29:27,080 INFO L241 Difference]: Finished difference. Result has 51 places, 29 transitions, 72 flow [2021-04-28 23:29:27,081 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=51, PETRI_TRANSITIONS=29} [2021-04-28 23:29:27,082 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -75 predicate places. [2021-04-28 23:29:27,082 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:27,082 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:29:27,082 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:29:27,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 72 flow [2021-04-28 23:29:27,090 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:29:27,090 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:29:27,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 63 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:27,091 INFO L146 LiptonReduction]: Number of co-enabled transitions 468 [2021-04-28 23:29:27,742 INFO L158 LiptonReduction]: Checked pairs total: 576 [2021-04-28 23:29:27,743 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:27,743 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 661 [2021-04-28 23:29:27,745 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 72 flow [2021-04-28 23:29:27,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:27,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:27,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:29:27,746 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:27,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:27,747 INFO L82 PathProgramCache]: Analyzing trace with hash -571435152, now seen corresponding path program 1 times [2021-04-28 23:29:27,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:27,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785087750] [2021-04-28 23:29:27,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:27,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:27,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:27,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785087750] [2021-04-28 23:29:27,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:27,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:29:27,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135811199] [2021-04-28 23:29:27,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:29:27,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:27,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:29:27,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:29:27,892 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 227 out of 310 [2021-04-28 23:29:27,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,893 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:27,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 227 of 310 [2021-04-28 23:29:27,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:27,927 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:29:27,927 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 23:29:27,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 29 events. 0/29 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 65 event pairs, 0 based on Foata normal form. 1/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:27,928 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 1 selfloop transitions, 2 changer transitions 0/29 dead transitions. [2021-04-28 23:29:27,928 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 29 transitions, 78 flow [2021-04-28 23:29:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:29:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:29:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2021-04-28 23:29:27,937 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7365591397849462 [2021-04-28 23:29:27,938 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 685 transitions. [2021-04-28 23:29:27,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 685 transitions. [2021-04-28 23:29:27,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:27,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 685 transitions. [2021-04-28 23:29:27,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,946 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:27,946 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 72 flow. Second operand 3 states and 685 transitions. [2021-04-28 23:29:27,947 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 29 transitions, 78 flow [2021-04-28 23:29:27,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:29:27,948 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 76 flow [2021-04-28 23:29:27,949 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-04-28 23:29:27,949 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -86 predicate places. [2021-04-28 23:29:27,949 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:27,949 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 76 flow [2021-04-28 23:29:27,950 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 76 flow [2021-04-28 23:29:27,950 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 76 flow [2021-04-28 23:29:27,958 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:29:27,958 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 23:29:27,959 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 63 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:27,960 INFO L146 LiptonReduction]: Number of co-enabled transitions 466 [2021-04-28 23:29:28,322 INFO L158 LiptonReduction]: Checked pairs total: 542 [2021-04-28 23:29:28,322 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:28,323 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 374 [2021-04-28 23:29:28,324 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 76 flow [2021-04-28 23:29:28,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 227.66666666666666) internal successors, (683), 3 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:28,326 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:28,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:29:28,326 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:28,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:28,326 INFO L82 PathProgramCache]: Analyzing trace with hash -517353781, now seen corresponding path program 1 times [2021-04-28 23:29:28,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:28,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456438554] [2021-04-28 23:29:28,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:28,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:28,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:28,583 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456438554] [2021-04-28 23:29:28,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:28,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:29:28,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384574577] [2021-04-28 23:29:28,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:29:28,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:28,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:29:28,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:29:28,587 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 310 [2021-04-28 23:29:28,589 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,589 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:28,589 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 310 [2021-04-28 23:29:28,589 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:28,609 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:29:28,610 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 23:29:28,610 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 29 events. 0/29 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 64 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:28,610 INFO L132 encePairwiseOnDemand]: 307/310 looper letters, 1 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2021-04-28 23:29:28,610 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 82 flow [2021-04-28 23:29:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:29:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:29:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 676 transitions. [2021-04-28 23:29:28,619 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7268817204301076 [2021-04-28 23:29:28,620 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 676 transitions. [2021-04-28 23:29:28,620 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 676 transitions. [2021-04-28 23:29:28,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:28,621 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 676 transitions. [2021-04-28 23:29:28,624 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 225.33333333333334) internal successors, (676), 3 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,627 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,629 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 310.0) internal successors, (1240), 4 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,629 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 76 flow. Second operand 3 states and 676 transitions. [2021-04-28 23:29:28,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 82 flow [2021-04-28 23:29:28,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 29 transitions, 74 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 23:29:28,631 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 74 flow [2021-04-28 23:29:28,632 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-04-28 23:29:28,632 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -86 predicate places. [2021-04-28 23:29:28,632 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:28,633 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 74 flow [2021-04-28 23:29:28,633 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 74 flow [2021-04-28 23:29:28,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 74 flow [2021-04-28 23:29:28,641 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 23:29:28,642 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-28 23:29:28,642 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 28 events. 0/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 55 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:28,643 INFO L146 LiptonReduction]: Number of co-enabled transitions 428 [2021-04-28 23:29:28,666 INFO L158 LiptonReduction]: Checked pairs total: 517 [2021-04-28 23:29:28,666 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:28,666 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-04-28 23:29:28,668 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 74 flow [2021-04-28 23:29:28,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 224.66666666666666) internal successors, (674), 3 states have internal predecessors, (674), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,669 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:28,669 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:28,669 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:29:28,669 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:28,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:28,670 INFO L82 PathProgramCache]: Analyzing trace with hash 581938304, now seen corresponding path program 1 times [2021-04-28 23:29:28,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:28,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114309910] [2021-04-28 23:29:28,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:28,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:28,771 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:28,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:28,785 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:28,786 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:28,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114309910] [2021-04-28 23:29:28,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:28,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:29:28,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078077490] [2021-04-28 23:29:28,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:29:28,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:28,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:29:28,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:29:28,807 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 310 [2021-04-28 23:29:28,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 220.75) internal successors, (883), 4 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,809 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:28,809 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 310 [2021-04-28 23:29:28,809 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:28,878 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-04-28 23:29:28,879 INFO L130 PetriNetUnfolder]: For 11/18 co-relation queries the response was YES. [2021-04-28 23:29:28,879 INFO L84 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 39 events. 0/39 cut-off events. For 11/18 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 134 event pairs, 0 based on Foata normal form. 2/30 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:29:28,879 INFO L132 encePairwiseOnDemand]: 306/310 looper letters, 1 selfloop transitions, 3 changer transitions 2/29 dead transitions. [2021-04-28 23:29:28,879 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 29 transitions, 89 flow [2021-04-28 23:29:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:29:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:29:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 887 transitions. [2021-04-28 23:29:28,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7153225806451613 [2021-04-28 23:29:28,890 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 887 transitions. [2021-04-28 23:29:28,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 887 transitions. [2021-04-28 23:29:28,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:28,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 887 transitions. [2021-04-28 23:29:28,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 221.75) internal successors, (887), 4 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,901 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 310.0) internal successors, (1550), 5 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:28,902 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 74 flow. Second operand 4 states and 887 transitions. [2021-04-28 23:29:28,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 29 transitions, 89 flow [2021-04-28 23:29:28,903 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 29 transitions, 83 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:29:28,904 INFO L241 Difference]: Finished difference. Result has 42 places, 27 transitions, 82 flow [2021-04-28 23:29:28,904 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=310, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=82, PETRI_PLACES=42, PETRI_TRANSITIONS=27} [2021-04-28 23:29:28,905 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -84 predicate places. [2021-04-28 23:29:28,905 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:28,905 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 27 transitions, 82 flow [2021-04-28 23:29:28,905 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 27 transitions, 82 flow [2021-04-28 23:29:28,906 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 27 transitions, 82 flow [2021-04-28 23:29:28,914 INFO L129 PetriNetUnfolder]: 0/27 cut-off events. [2021-04-28 23:29:28,914 INFO L130 PetriNetUnfolder]: For 7/8 co-relation queries the response was YES. [2021-04-28 23:29:28,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 27 events. 0/27 cut-off events. For 7/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 57 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:29:28,915 INFO L146 LiptonReduction]: Number of co-enabled transitions 362 [2021-04-28 23:29:29,236 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:29:29,380 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:29:29,386 INFO L158 LiptonReduction]: Checked pairs total: 836 [2021-04-28 23:29:29,386 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:29:29,387 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 482 [2021-04-28 23:29:29,389 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 27 transitions, 82 flow [2021-04-28 23:29:29,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 220.75) internal successors, (883), 4 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:29,390 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:29,390 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:29,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:29:29,391 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:29,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:29,391 INFO L82 PathProgramCache]: Analyzing trace with hash 820617971, now seen corresponding path program 1 times [2021-04-28 23:29:29,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:29,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734191104] [2021-04-28 23:29:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:29,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:29,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:29:29,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:29,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:29,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:29,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:29,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:29,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:29:29,691 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:29,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:29:29,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:29,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734191104] [2021-04-28 23:29:29,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:29,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:29,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915932547] [2021-04-28 23:29:29,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:29,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:29,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:29,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:29,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 311 [2021-04-28 23:29:29,766 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 27 transitions, 82 flow. Second operand has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:29,766 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:29,766 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 311 [2021-04-28 23:29:29,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:30,405 INFO L129 PetriNetUnfolder]: 149/340 cut-off events. [2021-04-28 23:29:30,406 INFO L130 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2021-04-28 23:29:30,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 712 conditions, 340 events. 149/340 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1783 event pairs, 24 based on Foata normal form. 8/297 useless extension candidates. Maximal degree in co-relation 699. Up to 153 conditions per place. [2021-04-28 23:29:30,411 INFO L132 encePairwiseOnDemand]: 301/311 looper letters, 13 selfloop transitions, 10 changer transitions 2/41 dead transitions. [2021-04-28 23:29:30,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 41 transitions, 166 flow [2021-04-28 23:29:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:29:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:29:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 986 transitions. [2021-04-28 23:29:30,419 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5284030010718114 [2021-04-28 23:29:30,419 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 986 transitions. [2021-04-28 23:29:30,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 986 transitions. [2021-04-28 23:29:30,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:30,421 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 986 transitions. [2021-04-28 23:29:30,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 164.33333333333334) internal successors, (986), 6 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:30,430 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 311.0) internal successors, (2177), 7 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:30,432 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 311.0) internal successors, (2177), 7 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:30,432 INFO L185 Difference]: Start difference. First operand has 41 places, 27 transitions, 82 flow. Second operand 6 states and 986 transitions. [2021-04-28 23:29:30,432 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 41 transitions, 166 flow [2021-04-28 23:29:30,434 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 41 transitions, 151 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 23:29:30,436 INFO L241 Difference]: Finished difference. Result has 44 places, 34 transitions, 134 flow [2021-04-28 23:29:30,436 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=134, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2021-04-28 23:29:30,437 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -82 predicate places. [2021-04-28 23:29:30,437 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:30,437 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 34 transitions, 134 flow [2021-04-28 23:29:30,437 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 34 transitions, 134 flow [2021-04-28 23:29:30,438 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 34 transitions, 134 flow [2021-04-28 23:29:30,483 INFO L129 PetriNetUnfolder]: 61/184 cut-off events. [2021-04-28 23:29:30,483 INFO L130 PetriNetUnfolder]: For 60/65 co-relation queries the response was YES. [2021-04-28 23:29:30,484 INFO L84 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 184 events. 61/184 cut-off events. For 60/65 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 949 event pairs, 13 based on Foata normal form. 2/143 useless extension candidates. Maximal degree in co-relation 399. Up to 78 conditions per place. [2021-04-28 23:29:30,486 INFO L146 LiptonReduction]: Number of co-enabled transitions 418 [2021-04-28 23:29:31,115 INFO L158 LiptonReduction]: Checked pairs total: 75 [2021-04-28 23:29:31,115 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:31,115 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 678 [2021-04-28 23:29:31,121 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 34 transitions, 134 flow [2021-04-28 23:29:31,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:31,122 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:31,123 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:31,123 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:29:31,123 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:31,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash 36754230, now seen corresponding path program 1 times [2021-04-28 23:29:31,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:31,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899185456] [2021-04-28 23:29:31,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:31,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:31,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:31,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:31,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:29:31,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:31,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:29:31,408 INFO L142 QuantifierPusher]: treesize reduction 14, result has 39.1 percent of original size [2021-04-28 23:29:31,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-04-28 23:29:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:31,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899185456] [2021-04-28 23:29:31,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:31,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:31,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134715681] [2021-04-28 23:29:31,444 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:31,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:31,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:31,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:31,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 311 [2021-04-28 23:29:31,449 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 34 transitions, 134 flow. Second operand has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:31,449 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:31,449 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 311 [2021-04-28 23:29:31,449 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:32,002 INFO L129 PetriNetUnfolder]: 203/524 cut-off events. [2021-04-28 23:29:32,002 INFO L130 PetriNetUnfolder]: For 246/257 co-relation queries the response was YES. [2021-04-28 23:29:32,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1389 conditions, 524 events. 203/524 cut-off events. For 246/257 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 3470 event pairs, 22 based on Foata normal form. 20/435 useless extension candidates. Maximal degree in co-relation 1376. Up to 183 conditions per place. [2021-04-28 23:29:32,008 INFO L132 encePairwiseOnDemand]: 303/311 looper letters, 20 selfloop transitions, 7 changer transitions 16/59 dead transitions. [2021-04-28 23:29:32,008 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 59 transitions, 339 flow [2021-04-28 23:29:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:29:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:29:32,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 869 transitions. [2021-04-28 23:29:32,019 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5588424437299035 [2021-04-28 23:29:32,019 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 869 transitions. [2021-04-28 23:29:32,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 869 transitions. [2021-04-28 23:29:32,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:32,021 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 869 transitions. [2021-04-28 23:29:32,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 173.8) internal successors, (869), 5 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:32,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:32,029 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:32,030 INFO L185 Difference]: Start difference. First operand has 43 places, 34 transitions, 134 flow. Second operand 5 states and 869 transitions. [2021-04-28 23:29:32,030 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 59 transitions, 339 flow [2021-04-28 23:29:32,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 59 transitions, 338 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:29:32,034 INFO L241 Difference]: Finished difference. Result has 48 places, 35 transitions, 179 flow [2021-04-28 23:29:32,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=179, PETRI_PLACES=48, PETRI_TRANSITIONS=35} [2021-04-28 23:29:32,035 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -78 predicate places. [2021-04-28 23:29:32,035 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:32,036 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 35 transitions, 179 flow [2021-04-28 23:29:32,036 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 35 transitions, 179 flow [2021-04-28 23:29:32,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 35 transitions, 179 flow [2021-04-28 23:29:32,078 INFO L129 PetriNetUnfolder]: 46/156 cut-off events. [2021-04-28 23:29:32,078 INFO L130 PetriNetUnfolder]: For 109/112 co-relation queries the response was YES. [2021-04-28 23:29:32,079 INFO L84 FinitePrefix]: Finished finitePrefix Result has 433 conditions, 156 events. 46/156 cut-off events. For 109/112 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 788 event pairs, 3 based on Foata normal form. 1/119 useless extension candidates. Maximal degree in co-relation 419. Up to 68 conditions per place. [2021-04-28 23:29:32,081 INFO L146 LiptonReduction]: Number of co-enabled transitions 420 [2021-04-28 23:29:32,754 INFO L158 LiptonReduction]: Checked pairs total: 78 [2021-04-28 23:29:32,754 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:32,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 719 [2021-04-28 23:29:32,755 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 35 transitions, 179 flow [2021-04-28 23:29:32,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.0) internal successors, (1014), 6 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:32,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:32,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:32,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:29:32,757 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:32,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:32,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1582381926, now seen corresponding path program 1 times [2021-04-28 23:29:32,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:32,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555280750] [2021-04-28 23:29:32,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:32,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:32,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:29:32,940 INFO L142 QuantifierPusher]: treesize reduction 15, result has 78.9 percent of original size [2021-04-28 23:29:32,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-04-28 23:29:33,048 INFO L142 QuantifierPusher]: treesize reduction 23, result has 46.5 percent of original size [2021-04-28 23:29:33,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-28 23:29:33,125 INFO L142 QuantifierPusher]: treesize reduction 6, result has 86.0 percent of original size [2021-04-28 23:29:33,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-04-28 23:29:33,281 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 15 [2021-04-28 23:29:33,286 INFO L142 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size [2021-04-28 23:29:33,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-04-28 23:29:33,496 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2021-04-28 23:29:33,505 INFO L142 QuantifierPusher]: treesize reduction 9, result has 86.6 percent of original size [2021-04-28 23:29:33,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-04-28 23:29:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:33,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555280750] [2021-04-28 23:29:33,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:33,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 23:29:33,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389728927] [2021-04-28 23:29:33,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 23:29:33,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:33,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 23:29:33,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-28 23:29:33,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 311 [2021-04-28 23:29:33,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 35 transitions, 179 flow. Second operand has 8 states, 8 states have (on average 151.875) internal successors, (1215), 8 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:33,616 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:33,616 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 311 [2021-04-28 23:29:33,617 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:34,189 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2021-04-28 23:29:34,413 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2021-04-28 23:29:35,055 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2021-04-28 23:29:35,533 INFO L129 PetriNetUnfolder]: 166/464 cut-off events. [2021-04-28 23:29:35,534 INFO L130 PetriNetUnfolder]: For 425/437 co-relation queries the response was YES. [2021-04-28 23:29:35,536 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1412 conditions, 464 events. 166/464 cut-off events. For 425/437 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 3102 event pairs, 8 based on Foata normal form. 20/376 useless extension candidates. Maximal degree in co-relation 1396. Up to 174 conditions per place. [2021-04-28 23:29:35,539 INFO L132 encePairwiseOnDemand]: 301/311 looper letters, 22 selfloop transitions, 28 changer transitions 22/88 dead transitions. [2021-04-28 23:29:35,540 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 88 transitions, 647 flow [2021-04-28 23:29:35,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 23:29:35,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 23:29:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1713 transitions. [2021-04-28 23:29:35,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5007307804735458 [2021-04-28 23:29:35,551 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1713 transitions. [2021-04-28 23:29:35,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1713 transitions. [2021-04-28 23:29:35,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:35,553 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1713 transitions. [2021-04-28 23:29:35,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 155.72727272727272) internal successors, (1713), 11 states have internal predecessors, (1713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:35,565 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 311.0) internal successors, (3732), 12 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:35,567 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 311.0) internal successors, (3732), 12 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:35,567 INFO L185 Difference]: Start difference. First operand has 47 places, 35 transitions, 179 flow. Second operand 11 states and 1713 transitions. [2021-04-28 23:29:35,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 88 transitions, 647 flow [2021-04-28 23:29:35,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 88 transitions, 595 flow, removed 16 selfloop flow, removed 4 redundant places. [2021-04-28 23:29:35,573 INFO L241 Difference]: Finished difference. Result has 61 places, 62 transitions, 454 flow [2021-04-28 23:29:35,574 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=454, PETRI_PLACES=61, PETRI_TRANSITIONS=62} [2021-04-28 23:29:35,574 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -65 predicate places. [2021-04-28 23:29:35,574 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:35,575 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 62 transitions, 454 flow [2021-04-28 23:29:35,575 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 62 transitions, 454 flow [2021-04-28 23:29:35,576 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 62 transitions, 454 flow [2021-04-28 23:29:35,666 INFO L129 PetriNetUnfolder]: 124/413 cut-off events. [2021-04-28 23:29:35,667 INFO L130 PetriNetUnfolder]: For 843/866 co-relation queries the response was YES. [2021-04-28 23:29:35,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1359 conditions, 413 events. 124/413 cut-off events. For 843/866 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 2962 event pairs, 7 based on Foata normal form. 6/306 useless extension candidates. Maximal degree in co-relation 1339. Up to 142 conditions per place. [2021-04-28 23:29:35,678 INFO L146 LiptonReduction]: Number of co-enabled transitions 558 [2021-04-28 23:29:35,691 INFO L158 LiptonReduction]: Checked pairs total: 296 [2021-04-28 23:29:35,691 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:35,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-04-28 23:29:35,693 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 62 transitions, 454 flow [2021-04-28 23:29:35,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 151.875) internal successors, (1215), 8 states have internal predecessors, (1215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:35,696 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:35,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:35,697 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:29:35,697 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:35,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:35,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1220552284, now seen corresponding path program 2 times [2021-04-28 23:29:35,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:35,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066779656] [2021-04-28 23:29:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:35,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:35,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:35,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:35,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:29:36,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:36,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:29:36,046 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:36,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:36,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066779656] [2021-04-28 23:29:36,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:36,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:36,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731871257] [2021-04-28 23:29:36,070 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:36,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:36,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:36,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:36,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 311 [2021-04-28 23:29:36,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 62 transitions, 454 flow. Second operand has 6 states, 6 states have (on average 160.16666666666666) internal successors, (961), 6 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:36,077 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:36,077 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 311 [2021-04-28 23:29:36,077 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:36,581 INFO L129 PetriNetUnfolder]: 164/537 cut-off events. [2021-04-28 23:29:36,581 INFO L130 PetriNetUnfolder]: For 1176/1204 co-relation queries the response was YES. [2021-04-28 23:29:36,585 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 537 events. 164/537 cut-off events. For 1176/1204 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 4116 event pairs, 9 based on Foata normal form. 31/424 useless extension candidates. Maximal degree in co-relation 1992. Up to 170 conditions per place. [2021-04-28 23:29:36,590 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 32 selfloop transitions, 13 changer transitions 28/89 dead transitions. [2021-04-28 23:29:36,590 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 89 transitions, 855 flow [2021-04-28 23:29:36,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:29:36,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:29:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 820 transitions. [2021-04-28 23:29:36,600 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5273311897106109 [2021-04-28 23:29:36,600 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 820 transitions. [2021-04-28 23:29:36,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 820 transitions. [2021-04-28 23:29:36,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:36,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 820 transitions. [2021-04-28 23:29:36,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.0) internal successors, (820), 5 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:36,610 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:36,611 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:36,611 INFO L185 Difference]: Start difference. First operand has 59 places, 62 transitions, 454 flow. Second operand 5 states and 820 transitions. [2021-04-28 23:29:36,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 89 transitions, 855 flow [2021-04-28 23:29:36,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 89 transitions, 829 flow, removed 13 selfloop flow, removed 2 redundant places. [2021-04-28 23:29:36,623 INFO L241 Difference]: Finished difference. Result has 63 places, 56 transitions, 447 flow [2021-04-28 23:29:36,623 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=447, PETRI_PLACES=63, PETRI_TRANSITIONS=56} [2021-04-28 23:29:36,624 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -63 predicate places. [2021-04-28 23:29:36,624 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:36,624 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 56 transitions, 447 flow [2021-04-28 23:29:36,625 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 56 transitions, 447 flow [2021-04-28 23:29:36,625 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 447 flow [2021-04-28 23:29:36,735 INFO L129 PetriNetUnfolder]: 73/249 cut-off events. [2021-04-28 23:29:36,735 INFO L130 PetriNetUnfolder]: For 887/929 co-relation queries the response was YES. [2021-04-28 23:29:36,737 INFO L84 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 249 events. 73/249 cut-off events. For 887/929 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1509 event pairs, 5 based on Foata normal form. 5/190 useless extension candidates. Maximal degree in co-relation 897. Up to 87 conditions per place. [2021-04-28 23:29:36,741 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-28 23:29:36,748 INFO L158 LiptonReduction]: Checked pairs total: 186 [2021-04-28 23:29:36,748 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:36,749 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 125 [2021-04-28 23:29:36,750 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 56 transitions, 447 flow [2021-04-28 23:29:36,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.16666666666666) internal successors, (961), 6 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:36,754 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:36,754 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:36,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:29:36,754 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:36,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:36,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1428663684, now seen corresponding path program 1 times [2021-04-28 23:29:36,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:36,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313494323] [2021-04-28 23:29:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:36,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:36,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:29:36,954 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:36,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:37,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:37,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 23:29:37,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:37,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:29:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:37,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313494323] [2021-04-28 23:29:37,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:37,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:37,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310592390] [2021-04-28 23:29:37,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:37,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:37,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:37,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:37,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 311 [2021-04-28 23:29:37,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 447 flow. Second operand has 6 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:37,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:37,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 311 [2021-04-28 23:29:37,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:37,417 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-04-28 23:29:37,885 INFO L129 PetriNetUnfolder]: 106/352 cut-off events. [2021-04-28 23:29:37,886 INFO L130 PetriNetUnfolder]: For 1007/1033 co-relation queries the response was YES. [2021-04-28 23:29:37,888 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1382 conditions, 352 events. 106/352 cut-off events. For 1007/1033 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 2395 event pairs, 5 based on Foata normal form. 31/291 useless extension candidates. Maximal degree in co-relation 1358. Up to 115 conditions per place. [2021-04-28 23:29:37,891 INFO L132 encePairwiseOnDemand]: 304/311 looper letters, 24 selfloop transitions, 12 changer transitions 21/73 dead transitions. [2021-04-28 23:29:37,892 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 73 transitions, 739 flow [2021-04-28 23:29:37,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:29:37,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:29:37,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1121 transitions. [2021-04-28 23:29:37,900 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6007502679528403 [2021-04-28 23:29:37,901 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1121 transitions. [2021-04-28 23:29:37,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1121 transitions. [2021-04-28 23:29:37,902 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:37,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1121 transitions. [2021-04-28 23:29:37,906 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.83333333333334) internal successors, (1121), 6 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:37,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 311.0) internal successors, (2177), 7 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:37,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 311.0) internal successors, (2177), 7 states have internal predecessors, (2177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:37,912 INFO L185 Difference]: Start difference. First operand has 61 places, 56 transitions, 447 flow. Second operand 6 states and 1121 transitions. [2021-04-28 23:29:37,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 73 transitions, 739 flow [2021-04-28 23:29:37,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 73 transitions, 652 flow, removed 33 selfloop flow, removed 5 redundant places. [2021-04-28 23:29:37,922 INFO L241 Difference]: Finished difference. Result has 63 places, 48 transitions, 366 flow [2021-04-28 23:29:37,923 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=366, PETRI_PLACES=63, PETRI_TRANSITIONS=48} [2021-04-28 23:29:37,923 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -63 predicate places. [2021-04-28 23:29:37,923 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:37,923 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 48 transitions, 366 flow [2021-04-28 23:29:37,924 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 48 transitions, 366 flow [2021-04-28 23:29:37,924 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 48 transitions, 366 flow [2021-04-28 23:29:37,976 INFO L129 PetriNetUnfolder]: 53/196 cut-off events. [2021-04-28 23:29:37,977 INFO L130 PetriNetUnfolder]: For 487/511 co-relation queries the response was YES. [2021-04-28 23:29:37,979 INFO L84 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 196 events. 53/196 cut-off events. For 487/511 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1126 event pairs, 10 based on Foata normal form. 4/147 useless extension candidates. Maximal degree in co-relation 612. Up to 68 conditions per place. [2021-04-28 23:29:37,983 INFO L146 LiptonReduction]: Number of co-enabled transitions 434 [2021-04-28 23:29:37,988 INFO L158 LiptonReduction]: Checked pairs total: 135 [2021-04-28 23:29:37,989 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:37,989 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 66 [2021-04-28 23:29:37,990 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 48 transitions, 366 flow [2021-04-28 23:29:37,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 183.33333333333334) internal successors, (1100), 6 states have internal predecessors, (1100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:37,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:37,991 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:37,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:29:37,991 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:37,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:37,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1388086785, now seen corresponding path program 1 times [2021-04-28 23:29:37,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:37,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391969027] [2021-04-28 23:29:37,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:38,240 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 23:29:38,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 23:29:38,342 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 23:29:38,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 23:29:38,469 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2021-04-28 23:29:38,474 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-04-28 23:29:38,476 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 23:29:38,481 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-04-28 23:29:38,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-28 23:29:38,698 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-04-28 23:29:38,705 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.4 percent of original size [2021-04-28 23:29:38,708 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-04-28 23:29:38,962 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2021-04-28 23:29:38,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 88.0 percent of original size [2021-04-28 23:29:38,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:29:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:39,059 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391969027] [2021-04-28 23:29:39,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:39,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:29:39,060 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782993189] [2021-04-28 23:29:39,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 23:29:39,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:39,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 23:29:39,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-04-28 23:29:39,065 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 311 [2021-04-28 23:29:39,067 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 48 transitions, 366 flow. Second operand has 7 states, 7 states have (on average 159.14285714285714) internal successors, (1114), 7 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:39,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:39,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 311 [2021-04-28 23:29:39,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:39,234 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2021-04-28 23:29:39,433 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2021-04-28 23:29:39,784 INFO L129 PetriNetUnfolder]: 76/269 cut-off events. [2021-04-28 23:29:39,784 INFO L130 PetriNetUnfolder]: For 536/556 co-relation queries the response was YES. [2021-04-28 23:29:39,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 928 conditions, 269 events. 76/269 cut-off events. For 536/556 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1616 event pairs, 2 based on Foata normal form. 19/214 useless extension candidates. Maximal degree in co-relation 905. Up to 79 conditions per place. [2021-04-28 23:29:39,789 INFO L132 encePairwiseOnDemand]: 303/311 looper letters, 22 selfloop transitions, 16 changer transitions 0/54 dead transitions. [2021-04-28 23:29:39,789 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 54 transitions, 483 flow [2021-04-28 23:29:39,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:29:39,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:29:39,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 809 transitions. [2021-04-28 23:29:39,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5202572347266881 [2021-04-28 23:29:39,800 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 809 transitions. [2021-04-28 23:29:39,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 809 transitions. [2021-04-28 23:29:39,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:39,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 809 transitions. [2021-04-28 23:29:39,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:39,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:39,810 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:39,811 INFO L185 Difference]: Start difference. First operand has 62 places, 48 transitions, 366 flow. Second operand 5 states and 809 transitions. [2021-04-28 23:29:39,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 54 transitions, 483 flow [2021-04-28 23:29:39,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 54 transitions, 436 flow, removed 8 selfloop flow, removed 6 redundant places. [2021-04-28 23:29:39,818 INFO L241 Difference]: Finished difference. Result has 62 places, 52 transitions, 422 flow [2021-04-28 23:29:39,818 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=422, PETRI_PLACES=62, PETRI_TRANSITIONS=52} [2021-04-28 23:29:39,819 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -64 predicate places. [2021-04-28 23:29:39,819 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:39,819 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 52 transitions, 422 flow [2021-04-28 23:29:39,820 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 52 transitions, 422 flow [2021-04-28 23:29:39,821 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 52 transitions, 422 flow [2021-04-28 23:29:39,874 INFO L129 PetriNetUnfolder]: 49/210 cut-off events. [2021-04-28 23:29:39,874 INFO L130 PetriNetUnfolder]: For 548/574 co-relation queries the response was YES. [2021-04-28 23:29:39,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 677 conditions, 210 events. 49/210 cut-off events. For 548/574 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1210 event pairs, 3 based on Foata normal form. 4/154 useless extension candidates. Maximal degree in co-relation 657. Up to 66 conditions per place. [2021-04-28 23:29:39,879 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-28 23:29:39,883 INFO L158 LiptonReduction]: Checked pairs total: 155 [2021-04-28 23:29:39,884 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:39,884 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 65 [2021-04-28 23:29:39,885 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 52 transitions, 422 flow [2021-04-28 23:29:39,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 159.14285714285714) internal successors, (1114), 7 states have internal predecessors, (1114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:39,887 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:39,887 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:39,887 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:29:39,887 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:39,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:39,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1388086568, now seen corresponding path program 1 times [2021-04-28 23:29:39,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:39,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636650157] [2021-04-28 23:29:39,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:40,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:40,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:40,043 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:29:40,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:40,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:40,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:29:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:40,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636650157] [2021-04-28 23:29:40,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:40,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:29:40,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362863115] [2021-04-28 23:29:40,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:29:40,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:40,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:29:40,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:29:40,091 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 311 [2021-04-28 23:29:40,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 52 transitions, 422 flow. Second operand has 4 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:40,093 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:40,093 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 311 [2021-04-28 23:29:40,093 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:40,679 INFO L129 PetriNetUnfolder]: 973/1810 cut-off events. [2021-04-28 23:29:40,680 INFO L130 PetriNetUnfolder]: For 2260/2474 co-relation queries the response was YES. [2021-04-28 23:29:40,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4634 conditions, 1810 events. 973/1810 cut-off events. For 2260/2474 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 13193 event pairs, 270 based on Foata normal form. 219/1163 useless extension candidates. Maximal degree in co-relation 4612. Up to 1237 conditions per place. [2021-04-28 23:29:40,708 INFO L132 encePairwiseOnDemand]: 299/311 looper letters, 22 selfloop transitions, 20 changer transitions 0/71 dead transitions. [2021-04-28 23:29:40,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 71 transitions, 459 flow [2021-04-28 23:29:40,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:29:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:29:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1107 transitions. [2021-04-28 23:29:40,718 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7118971061093248 [2021-04-28 23:29:40,718 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1107 transitions. [2021-04-28 23:29:40,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1107 transitions. [2021-04-28 23:29:40,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:40,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1107 transitions. [2021-04-28 23:29:40,724 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 221.4) internal successors, (1107), 5 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:40,729 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:40,742 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 311.0) internal successors, (1866), 6 states have internal predecessors, (1866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:40,745 INFO L185 Difference]: Start difference. First operand has 62 places, 52 transitions, 422 flow. Second operand 5 states and 1107 transitions. [2021-04-28 23:29:40,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 71 transitions, 459 flow [2021-04-28 23:29:40,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 71 transitions, 427 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-04-28 23:29:40,766 INFO L241 Difference]: Finished difference. Result has 60 places, 62 transitions, 445 flow [2021-04-28 23:29:40,766 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=311, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=445, PETRI_PLACES=60, PETRI_TRANSITIONS=62} [2021-04-28 23:29:40,767 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -66 predicate places. [2021-04-28 23:29:40,767 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:40,767 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 62 transitions, 445 flow [2021-04-28 23:29:40,767 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 62 transitions, 445 flow [2021-04-28 23:29:40,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 62 transitions, 445 flow [2021-04-28 23:29:41,055 INFO L129 PetriNetUnfolder]: 973/1831 cut-off events. [2021-04-28 23:29:41,055 INFO L130 PetriNetUnfolder]: For 2558/2922 co-relation queries the response was YES. [2021-04-28 23:29:41,068 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5984 conditions, 1831 events. 973/1831 cut-off events. For 2558/2922 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 13964 event pairs, 354 based on Foata normal form. 15/987 useless extension candidates. Maximal degree in co-relation 5966. Up to 1327 conditions per place. [2021-04-28 23:29:41,094 INFO L146 LiptonReduction]: Number of co-enabled transitions 664 [2021-04-28 23:29:42,023 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-04-28 23:29:43,170 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-04-28 23:29:43,344 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:29:43,376 INFO L158 LiptonReduction]: Checked pairs total: 42 [2021-04-28 23:29:43,376 INFO L160 LiptonReduction]: Total number of compositions: 4 [2021-04-28 23:29:43,376 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2609 [2021-04-28 23:29:43,378 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 63 transitions, 458 flow [2021-04-28 23:29:43,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:43,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:43,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:43,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 23:29:43,379 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:43,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:43,380 INFO L82 PathProgramCache]: Analyzing trace with hash 196306750, now seen corresponding path program 1 times [2021-04-28 23:29:43,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:43,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723175094] [2021-04-28 23:29:43,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:43,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:43,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:43,532 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:43,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:43,553 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:29:43,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:43,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:43,599 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:29:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:43,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723175094] [2021-04-28 23:29:43,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:43,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:43,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600339460] [2021-04-28 23:29:43,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:29:43,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:43,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:29:43,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:29:43,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 315 [2021-04-28 23:29:43,606 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 63 transitions, 458 flow. Second operand has 5 states, 5 states have (on average 217.8) internal successors, (1089), 5 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:43,606 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:43,606 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 315 [2021-04-28 23:29:43,606 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:44,316 INFO L129 PetriNetUnfolder]: 658/1499 cut-off events. [2021-04-28 23:29:44,316 INFO L130 PetriNetUnfolder]: For 2365/3470 co-relation queries the response was YES. [2021-04-28 23:29:44,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6038 conditions, 1499 events. 658/1499 cut-off events. For 2365/3470 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 12186 event pairs, 54 based on Foata normal form. 287/1039 useless extension candidates. Maximal degree in co-relation 6018. Up to 1166 conditions per place. [2021-04-28 23:29:44,342 INFO L132 encePairwiseOnDemand]: 303/315 looper letters, 12 selfloop transitions, 39 changer transitions 11/89 dead transitions. [2021-04-28 23:29:44,342 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 89 transitions, 720 flow [2021-04-28 23:29:44,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:29:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:29:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1580 transitions. [2021-04-28 23:29:44,352 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7165532879818595 [2021-04-28 23:29:44,353 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1580 transitions. [2021-04-28 23:29:44,353 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1580 transitions. [2021-04-28 23:29:44,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:44,355 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1580 transitions. [2021-04-28 23:29:44,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 225.71428571428572) internal successors, (1580), 7 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:44,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:44,366 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:44,366 INFO L185 Difference]: Start difference. First operand has 61 places, 63 transitions, 458 flow. Second operand 7 states and 1580 transitions. [2021-04-28 23:29:44,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 89 transitions, 720 flow [2021-04-28 23:29:44,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 89 transitions, 696 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-04-28 23:29:44,383 INFO L241 Difference]: Finished difference. Result has 67 places, 78 transitions, 662 flow [2021-04-28 23:29:44,384 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=662, PETRI_PLACES=67, PETRI_TRANSITIONS=78} [2021-04-28 23:29:44,384 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -59 predicate places. [2021-04-28 23:29:44,384 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:44,385 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 78 transitions, 662 flow [2021-04-28 23:29:44,385 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 78 transitions, 662 flow [2021-04-28 23:29:44,386 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 78 transitions, 662 flow [2021-04-28 23:29:44,632 INFO L129 PetriNetUnfolder]: 550/1357 cut-off events. [2021-04-28 23:29:44,633 INFO L130 PetriNetUnfolder]: For 3572/4741 co-relation queries the response was YES. [2021-04-28 23:29:44,647 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6165 conditions, 1357 events. 550/1357 cut-off events. For 3572/4741 co-relation queries the response was YES. Maximal size of possible extension queue 354. Compared 12109 event pairs, 54 based on Foata normal form. 10/720 useless extension candidates. Maximal degree in co-relation 6143. Up to 1004 conditions per place. [2021-04-28 23:29:44,673 INFO L146 LiptonReduction]: Number of co-enabled transitions 770 [2021-04-28 23:29:44,680 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:29:44,680 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:44,681 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-04-28 23:29:44,682 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 78 transitions, 662 flow [2021-04-28 23:29:44,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 217.8) internal successors, (1089), 5 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:44,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:44,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:44,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 23:29:44,684 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:44,684 INFO L82 PathProgramCache]: Analyzing trace with hash 366670489, now seen corresponding path program 1 times [2021-04-28 23:29:44,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:44,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747873130] [2021-04-28 23:29:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:44,899 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:44,901 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:44,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:44,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:29:44,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:44,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-28 23:29:45,036 INFO L142 QuantifierPusher]: treesize reduction 25, result has 79.8 percent of original size [2021-04-28 23:29:45,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-04-28 23:29:45,345 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2021-04-28 23:29:45,378 INFO L142 QuantifierPusher]: treesize reduction 53, result has 83.0 percent of original size [2021-04-28 23:29:45,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 258 [2021-04-28 23:29:46,070 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2021-04-28 23:29:46,074 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:46,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-28 23:29:46,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:46,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-04-28 23:29:46,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:46,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747873130] [2021-04-28 23:29:46,352 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:46,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-28 23:29:46,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049318432] [2021-04-28 23:29:46,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-28 23:29:46,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:46,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-28 23:29:46,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-04-28 23:29:46,357 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 315 [2021-04-28 23:29:46,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 78 transitions, 662 flow. Second operand has 9 states, 9 states have (on average 149.88888888888889) internal successors, (1349), 9 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:46,359 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:46,359 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 315 [2021-04-28 23:29:46,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:46,555 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2021-04-28 23:29:47,614 INFO L129 PetriNetUnfolder]: 1019/2196 cut-off events. [2021-04-28 23:29:47,615 INFO L130 PetriNetUnfolder]: For 7779/9495 co-relation queries the response was YES. [2021-04-28 23:29:47,638 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10463 conditions, 2196 events. 1019/2196 cut-off events. For 7779/9495 co-relation queries the response was YES. Maximal size of possible extension queue 441. Compared 18558 event pairs, 118 based on Foata normal form. 84/1208 useless extension candidates. Maximal degree in co-relation 10439. Up to 1613 conditions per place. [2021-04-28 23:29:47,655 INFO L132 encePairwiseOnDemand]: 306/315 looper letters, 17 selfloop transitions, 8 changer transitions 12/90 dead transitions. [2021-04-28 23:29:47,656 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 90 transitions, 848 flow [2021-04-28 23:29:47,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:29:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:29:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1067 transitions. [2021-04-28 23:29:47,668 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4839002267573696 [2021-04-28 23:29:47,668 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1067 transitions. [2021-04-28 23:29:47,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1067 transitions. [2021-04-28 23:29:47,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:47,670 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1067 transitions. [2021-04-28 23:29:47,673 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 152.42857142857142) internal successors, (1067), 7 states have internal predecessors, (1067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:47,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:47,682 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 315.0) internal successors, (2520), 8 states have internal predecessors, (2520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:47,682 INFO L185 Difference]: Start difference. First operand has 65 places, 78 transitions, 662 flow. Second operand 7 states and 1067 transitions. [2021-04-28 23:29:47,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 90 transitions, 848 flow [2021-04-28 23:29:47,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 90 transitions, 749 flow, removed 37 selfloop flow, removed 3 redundant places. [2021-04-28 23:29:47,803 INFO L241 Difference]: Finished difference. Result has 70 places, 78 transitions, 591 flow [2021-04-28 23:29:47,804 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=563, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=591, PETRI_PLACES=70, PETRI_TRANSITIONS=78} [2021-04-28 23:29:47,804 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -56 predicate places. [2021-04-28 23:29:47,804 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:47,804 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 78 transitions, 591 flow [2021-04-28 23:29:47,804 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 78 transitions, 591 flow [2021-04-28 23:29:47,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 78 transitions, 591 flow [2021-04-28 23:29:48,008 INFO L129 PetriNetUnfolder]: 512/1252 cut-off events. [2021-04-28 23:29:48,008 INFO L130 PetriNetUnfolder]: For 2823/3001 co-relation queries the response was YES. [2021-04-28 23:29:48,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4754 conditions, 1252 events. 512/1252 cut-off events. For 2823/3001 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 10897 event pairs, 54 based on Foata normal form. 7/654 useless extension candidates. Maximal degree in co-relation 4729. Up to 442 conditions per place. [2021-04-28 23:29:48,033 INFO L146 LiptonReduction]: Number of co-enabled transitions 676 [2021-04-28 23:29:49,026 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-04-28 23:29:49,402 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 23:29:50,873 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 115 DAG size of output: 89 [2021-04-28 23:29:51,485 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 23:29:51,499 INFO L158 LiptonReduction]: Checked pairs total: 3 [2021-04-28 23:29:51,499 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:29:51,500 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3696 [2021-04-28 23:29:51,501 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 79 transitions, 597 flow [2021-04-28 23:29:51,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 149.88888888888889) internal successors, (1349), 9 states have internal predecessors, (1349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:51,502 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:51,502 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:51,502 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 23:29:51,502 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:51,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:51,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1157352962, now seen corresponding path program 1 times [2021-04-28 23:29:51,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:51,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838096957] [2021-04-28 23:29:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:51,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:51,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:29:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:51,752 INFO L142 QuantifierPusher]: treesize reduction 16, result has 44.8 percent of original size [2021-04-28 23:29:51,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:51,759 INFO L142 QuantifierPusher]: treesize reduction 6, result has 92.9 percent of original size [2021-04-28 23:29:51,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-04-28 23:29:51,936 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2021-04-28 23:29:51,939 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:51,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 23:29:51,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:51,995 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-28 23:29:51,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:51,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838096957] [2021-04-28 23:29:51,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:51,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:29:51,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7586420] [2021-04-28 23:29:51,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:51,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:51,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:51,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:52,000 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 316 [2021-04-28 23:29:52,001 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 79 transitions, 597 flow. Second operand has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:52,002 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:52,002 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 316 [2021-04-28 23:29:52,003 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:52,668 INFO L129 PetriNetUnfolder]: 981/2179 cut-off events. [2021-04-28 23:29:52,668 INFO L130 PetriNetUnfolder]: For 6524/7067 co-relation queries the response was YES. [2021-04-28 23:29:52,684 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8692 conditions, 2179 events. 981/2179 cut-off events. For 6524/7067 co-relation queries the response was YES. Maximal size of possible extension queue 519. Compared 19084 event pairs, 99 based on Foata normal form. 105/1196 useless extension candidates. Maximal degree in co-relation 8665. Up to 784 conditions per place. [2021-04-28 23:29:52,698 INFO L132 encePairwiseOnDemand]: 308/316 looper letters, 13 selfloop transitions, 15 changer transitions 1/82 dead transitions. [2021-04-28 23:29:52,698 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 82 transitions, 679 flow [2021-04-28 23:29:52,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:29:52,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:29:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 689 transitions. [2021-04-28 23:29:52,705 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5450949367088608 [2021-04-28 23:29:52,706 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 689 transitions. [2021-04-28 23:29:52,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 689 transitions. [2021-04-28 23:29:52,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:52,707 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 689 transitions. [2021-04-28 23:29:52,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.25) internal successors, (689), 4 states have internal predecessors, (689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:52,712 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:52,712 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:52,712 INFO L185 Difference]: Start difference. First operand has 68 places, 79 transitions, 597 flow. Second operand 4 states and 689 transitions. [2021-04-28 23:29:52,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 82 transitions, 679 flow [2021-04-28 23:29:52,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 82 transitions, 649 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-04-28 23:29:52,809 INFO L241 Difference]: Finished difference. Result has 67 places, 80 transitions, 618 flow [2021-04-28 23:29:52,809 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=569, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=618, PETRI_PLACES=67, PETRI_TRANSITIONS=80} [2021-04-28 23:29:52,809 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -59 predicate places. [2021-04-28 23:29:52,810 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:52,810 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 80 transitions, 618 flow [2021-04-28 23:29:52,810 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 80 transitions, 618 flow [2021-04-28 23:29:52,811 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 80 transitions, 618 flow [2021-04-28 23:29:53,057 INFO L129 PetriNetUnfolder]: 900/2089 cut-off events. [2021-04-28 23:29:53,058 INFO L130 PetriNetUnfolder]: For 3743/3956 co-relation queries the response was YES. [2021-04-28 23:29:53,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7753 conditions, 2089 events. 900/2089 cut-off events. For 3743/3956 co-relation queries the response was YES. Maximal size of possible extension queue 506. Compared 19425 event pairs, 121 based on Foata normal form. 10/1031 useless extension candidates. Maximal degree in co-relation 7729. Up to 784 conditions per place. [2021-04-28 23:29:53,099 INFO L146 LiptonReduction]: Number of co-enabled transitions 794 [2021-04-28 23:29:53,106 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:29:53,106 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:53,107 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-04-28 23:29:53,108 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 80 transitions, 618 flow [2021-04-28 23:29:53,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.5) internal successors, (1017), 6 states have internal predecessors, (1017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:53,108 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:53,109 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:53,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 23:29:53,109 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:53,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:53,109 INFO L82 PathProgramCache]: Analyzing trace with hash 913709930, now seen corresponding path program 1 times [2021-04-28 23:29:53,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:53,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156814371] [2021-04-28 23:29:53,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:29:53,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:53,235 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:53,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:53,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:53,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:53,269 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:29:53,290 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:29:53,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:29:53,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:29:53,332 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:29:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:29:53,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156814371] [2021-04-28 23:29:53,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:29:53,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:29:53,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508859485] [2021-04-28 23:29:53,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:29:53,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:29:53,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:29:53,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:29:53,339 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 316 [2021-04-28 23:29:53,341 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 80 transitions, 618 flow. Second operand has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:53,342 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:29:53,342 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 316 [2021-04-28 23:29:53,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:29:54,125 INFO L129 PetriNetUnfolder]: 639/1684 cut-off events. [2021-04-28 23:29:54,126 INFO L130 PetriNetUnfolder]: For 4828/8816 co-relation queries the response was YES. [2021-04-28 23:29:54,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7423 conditions, 1684 events. 639/1684 cut-off events. For 4828/8816 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 15878 event pairs, 0 based on Foata normal form. 372/1103 useless extension candidates. Maximal degree in co-relation 7397. Up to 675 conditions per place. [2021-04-28 23:29:54,145 INFO L132 encePairwiseOnDemand]: 304/316 looper letters, 2 selfloop transitions, 49 changer transitions 10/90 dead transitions. [2021-04-28 23:29:54,145 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 90 transitions, 816 flow [2021-04-28 23:29:54,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:29:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:29:54,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2024 transitions. [2021-04-28 23:29:54,157 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7116736990154712 [2021-04-28 23:29:54,157 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2024 transitions. [2021-04-28 23:29:54,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2024 transitions. [2021-04-28 23:29:54,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:29:54,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2024 transitions. [2021-04-28 23:29:54,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 224.88888888888889) internal successors, (2024), 9 states have internal predecessors, (2024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:54,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 316.0) internal successors, (3160), 10 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:54,174 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 316.0) internal successors, (3160), 10 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:54,174 INFO L185 Difference]: Start difference. First operand has 67 places, 80 transitions, 618 flow. Second operand 9 states and 2024 transitions. [2021-04-28 23:29:54,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 90 transitions, 816 flow [2021-04-28 23:29:54,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 90 transitions, 804 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-04-28 23:29:54,244 INFO L241 Difference]: Finished difference. Result has 76 places, 80 transitions, 738 flow [2021-04-28 23:29:54,244 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=738, PETRI_PLACES=76, PETRI_TRANSITIONS=80} [2021-04-28 23:29:54,245 INFO L343 CegarLoopForPetriNet]: 126 programPoint places, -50 predicate places. [2021-04-28 23:29:54,245 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:29:54,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 80 transitions, 738 flow [2021-04-28 23:29:54,245 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 80 transitions, 738 flow [2021-04-28 23:29:54,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 80 transitions, 738 flow [2021-04-28 23:29:54,416 INFO L129 PetriNetUnfolder]: 475/1329 cut-off events. [2021-04-28 23:29:54,416 INFO L130 PetriNetUnfolder]: For 2887/3435 co-relation queries the response was YES. [2021-04-28 23:29:54,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6043 conditions, 1329 events. 475/1329 cut-off events. For 2887/3435 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 12592 event pairs, 0 based on Foata normal form. 7/624 useless extension candidates. Maximal degree in co-relation 6016. Up to 585 conditions per place. [2021-04-28 23:29:54,444 INFO L146 LiptonReduction]: Number of co-enabled transitions 750 [2021-04-28 23:29:54,454 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:29:54,454 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:29:54,454 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 209 [2021-04-28 23:29:54,456 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 80 transitions, 738 flow [2021-04-28 23:29:54,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 218.83333333333334) internal successors, (1313), 6 states have internal predecessors, (1313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:29:54,456 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:29:54,457 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:29:54,457 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 23:29:54,457 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:29:54,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:29:54,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1288464387, now seen corresponding path program 1 times [2021-04-28 23:29:54,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:29:54,458 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167909264] [2021-04-28 23:29:54,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:29:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:29:54,576 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:29:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:29:54,709 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:29:54,792 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:29:54,793 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:29:54,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 23:29:54,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:29:54 BasicIcfg [2021-04-28 23:29:54,986 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:29:54,986 INFO L168 Benchmark]: Toolchain (without parser) took 205699.17 ms. Allocated memory was 302.0 MB in the beginning and 608.2 MB in the end (delta: 306.2 MB). Free memory was 277.1 MB in the beginning and 312.3 MB in the end (delta: -35.2 MB). Peak memory consumption was 272.5 MB. Max. memory is 16.0 GB. [2021-04-28 23:29:54,987 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 79.0 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:29:54,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 970.87 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 274.7 MB in the end (delta: -690.5 kB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:29:54,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.98 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 271.7 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:29:54,988 INFO L168 Benchmark]: Boogie Preprocessor took 103.80 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 268.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:29:54,988 INFO L168 Benchmark]: RCFGBuilder took 4013.46 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 268.6 MB in the beginning and 265.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.0 GB. [2021-04-28 23:29:54,988 INFO L168 Benchmark]: TraceAbstraction took 200467.69 ms. Allocated memory was 362.8 MB in the beginning and 608.2 MB in the end (delta: 245.4 MB). Free memory was 264.2 MB in the beginning and 312.3 MB in the end (delta: -48.2 MB). Peak memory consumption was 196.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:29:54,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 302.0 MB. Free memory was 272.3 MB in the beginning and 272.2 MB in the end (delta: 79.0 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 970.87 ms. Allocated memory is still 302.0 MB. Free memory was 274.0 MB in the beginning and 274.7 MB in the end (delta: -690.5 kB). Peak memory consumption was 34.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 92.98 ms. Allocated memory is still 302.0 MB. Free memory was 274.7 MB in the beginning and 271.7 MB in the end (delta: 2.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 103.80 ms. Allocated memory is still 302.0 MB. Free memory was 271.7 MB in the beginning and 268.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 4013.46 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 268.6 MB in the beginning and 265.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 197.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 200467.69 ms. Allocated memory was 362.8 MB in the beginning and 608.2 MB in the end (delta: 245.4 MB). Free memory was 264.2 MB in the beginning and 312.3 MB in the end (delta: -48.2 MB). Peak memory consumption was 196.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 170173.9ms, 103 PlacesBefore, 126 PlacesAfterwards, 95 TransitionsBefore, 118 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 8 FixpointIterations, 136 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 212 TotalNumberOfCompositions, 14796 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3158, positive: 2901, positive conditional: 2901, positive unconditional: 0, negative: 257, negative conditional: 257, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1708, positive: 1637, positive conditional: 0, positive unconditional: 1637, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1708, positive: 1637, positive conditional: 0, positive unconditional: 1637, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1708, positive: 1607, positive conditional: 0, positive unconditional: 1607, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 101, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 71, negative conditional: 0, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2358, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 2221, negative conditional: 0, negative unconditional: 2221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3158, positive: 1264, positive conditional: 1264, positive unconditional: 0, negative: 186, negative conditional: 186, negative unconditional: 0, unknown: 1708, unknown conditional: 1708, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1708, Positive cache size: 1637, Positive conditional cache size: 1637, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.5ms, 122 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 97, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 97, positive: 54, positive conditional: 54, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1719, Positive cache size: 1648, Positive conditional cache size: 1648, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 660.4ms, 51 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 152, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 62, positive conditional: 10, positive unconditional: 52, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 75, positive: 62, positive conditional: 10, positive unconditional: 52, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 75, positive: 45, positive conditional: 0, positive unconditional: 45, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 641, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 522, negative conditional: 0, negative unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 152, positive: 59, positive conditional: 59, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1794, Positive cache size: 1710, Positive conditional cache size: 1710, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 372.8ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 466 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 542 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 109, positive conditional: 109, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 11, positive conditional: 7, positive unconditional: 4, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 15, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 357, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 357, negative conditional: 357, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138, positive: 98, positive conditional: 98, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1809, Positive cache size: 1721, Positive conditional cache size: 1721, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.0ms, 40 PlacesBefore, 39 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 428 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 517 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 163, positive: 134, positive conditional: 134, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 19, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 163, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1835, Positive cache size: 1745, Positive conditional cache size: 1745, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 481.0ms, 42 PlacesBefore, 41 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 188, positive: 137, positive conditional: 137, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 15, positive unconditional: 4, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 188, positive: 118, positive conditional: 118, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1855, Positive cache size: 1764, Positive conditional cache size: 1764, Positive unconditional cache size: 0, Negative cache size: 91, Negative conditional cache size: 91, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 677.7ms, 44 PlacesBefore, 43 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 418 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 75 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 6, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, positive: 7, positive conditional: 6, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 620, positive: 517, positive conditional: 517, positive unconditional: 0, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1864, Positive cache size: 1771, Positive conditional cache size: 1771, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 717.9ms, 48 PlacesBefore, 47 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 420 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 78 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 19, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 8, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 11, positive conditional: 8, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 666, positive: 557, positive conditional: 557, positive unconditional: 0, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 19, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1877, Positive cache size: 1782, Positive conditional cache size: 1782, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 116.4ms, 61 PlacesBefore, 59 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 558 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 296 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1877, Positive cache size: 1782, Positive conditional cache size: 1782, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.0ms, 63 PlacesBefore, 61 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 186 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1878, Positive cache size: 1783, Positive conditional cache size: 1783, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 65.0ms, 63 PlacesBefore, 62 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 434 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 135 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1880, Positive cache size: 1785, Positive conditional cache size: 1785, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 64.3ms, 62 PlacesBefore, 62 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 155 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1884, Positive cache size: 1789, Positive conditional cache size: 1789, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2608.7ms, 60 PlacesBefore, 61 PlacesAfterwards, 62 TransitionsBefore, 63 TransitionsAfterwards, 664 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 42 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1806, Positive conditional cache size: 1806, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 295.5ms, 67 PlacesBefore, 65 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 770 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1806, Positive conditional cache size: 1806, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3694.9ms, 70 PlacesBefore, 68 PlacesAfterwards, 78 TransitionsBefore, 79 TransitionsAfterwards, 676 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1904, Positive cache size: 1809, Positive conditional cache size: 1809, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 296.4ms, 67 PlacesBefore, 67 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 794 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1904, Positive cache size: 1809, Positive conditional cache size: 1809, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 208.8ms, 76 PlacesBefore, 74 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1904, Positive cache size: 1809, Positive conditional cache size: 1809, Positive unconditional cache size: 0, Negative cache size: 95, Negative conditional cache size: 95, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p1_EAX = 0; [L713] 0 int __unbuffered_p2_EAX = 0; [L715] 0 int __unbuffered_p2_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L722] 0 _Bool y$flush_delayed; [L723] 0 int y$mem_tmp; [L724] 0 _Bool y$r_buff0_thd0; [L725] 0 _Bool y$r_buff0_thd1; [L726] 0 _Bool y$r_buff0_thd2; [L727] 0 _Bool y$r_buff0_thd3; [L728] 0 _Bool y$r_buff1_thd0; [L729] 0 _Bool y$r_buff1_thd1; [L730] 0 _Bool y$r_buff1_thd2; [L731] 0 _Bool y$r_buff1_thd3; [L732] 0 _Bool y$read_delayed; [L733] 0 int *y$read_delayed_var; [L734] 0 int y$w_buff0; [L735] 0 _Bool y$w_buff0_used; [L736] 0 int y$w_buff1; [L737] 0 _Bool y$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L846] 0 pthread_t t1858; [L847] FCALL, FORK 0 pthread_create(&t1858, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=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] [L743] 1 y$w_buff1 = y$w_buff0 [L744] 1 y$w_buff0 = 2 [L745] 1 y$w_buff1_used = y$w_buff0_used [L746] 1 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L749] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L750] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L751] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L752] 1 y$r_buff0_thd1 = (_Bool)1 [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L848] 0 pthread_t t1859; [L849] FCALL, FORK 0 pthread_create(&t1859, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = x [L775] 2 y = 1 [L778] 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) [L778] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L778] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L778] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L779] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L779] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L780] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L780] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L781] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L781] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L782] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L782] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L850] 0 pthread_t t1860; [L851] FCALL, FORK 0 pthread_create(&t1860, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 y$flush_delayed = weak$$choice2 [L795] 3 y$mem_tmp = y [L796] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L796] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L797] EXPR 3 weak$$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$w_buff0)) [L797] EXPR 3 !y$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) [L797] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L797] 3 y$w_buff0 = weak$$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)) [L798] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L798] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L798] EXPR 3 weak$$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$w_buff1)) [L798] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L799] EXPR 3 weak$$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)) [L799] EXPR 3 !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) [L799] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L799] 3 y$w_buff0_used = weak$$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)) [L800] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$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)) [L801] EXPR 3 !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) [L801] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L801] 3 y$r_buff0_thd3 = weak$$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)) [L802] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = y [L804] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L804] 3 y = y$flush_delayed ? y$mem_tmp : y [L805] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L808] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 3 y$flush_delayed = weak$$choice2 [L811] 3 y$mem_tmp = y [L812] EXPR 3 !y$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) [L812] 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) [L813] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L813] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L813] EXPR 3 weak$$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$w_buff0)) [L813] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L814] EXPR 3 weak$$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$w_buff1)) [L814] EXPR 3 !y$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) [L814] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L814] 3 y$w_buff1 = weak$$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)) [L815] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L815] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L815] EXPR 3 weak$$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)) [L815] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L816] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] EXPR 3 !y$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) [L816] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L816] 3 y$w_buff1_used = weak$$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)) [L817] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L817] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L817] EXPR 3 weak$$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)) [L817] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L818] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] EXPR 3 !y$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) [L818] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L818] 3 y$r_buff1_thd3 = weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L819] 3 __unbuffered_p2_EBX = y [L820] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L820] 3 y = y$flush_delayed ? y$mem_tmp : y [L821] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L758] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L758] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L759] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L759] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L760] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L760] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L761] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L761] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L762] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L762] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; VAL [__unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L824] 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) [L824] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L824] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L824] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L825] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L825] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L826] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L826] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L827] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L827] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L828] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L828] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L831] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L833] 3 return 0; [L853] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L857] 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) [L857] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L857] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L857] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L858] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L858] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L859] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L859] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L860] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L860] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L861] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L861] 0 y$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 [L864] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L865] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L866] 0 y$flush_delayed = weak$$choice2 [L867] 0 y$mem_tmp = y [L868] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L868] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L869] EXPR 0 weak$$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$w_buff0)) [L869] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L870] EXPR 0 weak$$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$w_buff1)) [L870] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L871] EXPR 0 weak$$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)) [L871] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L872] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L872] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L873] EXPR 0 weak$$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)) [L873] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L874] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L874] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L876] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L876] 0 y = y$flush_delayed ? y$mem_tmp : y [L877] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, 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$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 97 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 26.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 200072.3ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 11528.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 170296.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 69 SDtfs, 65 SDslu, 39 SDs, 0 SdLazy, 651 SolverSat, 268 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2729.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 6123.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=738occurred in iteration=16, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 104.9ms SsaConstructionTime, 1234.2ms SatisfiabilityAnalysisTime, 5723.1ms InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 2051 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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! Received shutdown request...