/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/mix019_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 18:27:10,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 18:27:10,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 18:27:10,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 18:27:10,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 18:27:10,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 18:27:10,449 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 18:27:10,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 18:27:10,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 18:27:10,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 18:27:10,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 18:27:10,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 18:27:10,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 18:27:10,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 18:27:10,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 18:27:10,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 18:27:10,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 18:27:10,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 18:27:10,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 18:27:10,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 18:27:10,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 18:27:10,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 18:27:10,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 18:27:10,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 18:27:10,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 18:27:10,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 18:27:10,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 18:27:10,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 18:27:10,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 18:27:10,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 18:27:10,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 18:27:10,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 18:27:10,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 18:27:10,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 18:27:10,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 18:27:10,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 18:27:10,492 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 18:27:10,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 18:27:10,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 18:27:10,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 18:27:10,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 18:27:10,522 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 18:27:10,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 18:27:10,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 18:27:10,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 18:27:10,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 18:27:10,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 18:27:10,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 18:27:10,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 18:27:10,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 18:27:10,524 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 18:27:10,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 18:27:10,524 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 18:27:10,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 18:27:10,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 18:27:10,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 18:27:10,525 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 18:27:10,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 18:27:10,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 18:27:10,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 18:27:10,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 18:27:10,526 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 18:27:10,527 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 18:27:10,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 18:27:10,527 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 18:27:10,527 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 18:27:10,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 18:27:10,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 18:27:10,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 18:27:10,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 18:27:10,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 18:27:10,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 18:27:10,948 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 18:27:10,949 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2021-04-28 18:27:11,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfa0bc76/ef1ab7ad99294e5a8ec2b030796c1f21/FLAG90b2c5c84 [2021-04-28 18:27:11,724 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 18:27:11,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix019_tso.oepc.i [2021-04-28 18:27:11,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfa0bc76/ef1ab7ad99294e5a8ec2b030796c1f21/FLAG90b2c5c84 [2021-04-28 18:27:11,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebfa0bc76/ef1ab7ad99294e5a8ec2b030796c1f21 [2021-04-28 18:27:11,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 18:27:12,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 18:27:12,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 18:27:12,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 18:27:12,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 18:27:12,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:27:11" (1/1) ... [2021-04-28 18:27:12,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c3dfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12, skipping insertion in model container [2021-04-28 18:27:12,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 06:27:11" (1/1) ... [2021-04-28 18:27:12,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 18:27:12,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 18:27:12,273 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/mix019_tso.oepc.i[949,962] [2021-04-28 18:27:12,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:27:12,603 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 18:27:12,627 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/mix019_tso.oepc.i[949,962] [2021-04-28 18:27:12,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 18:27:12,852 INFO L208 MainTranslator]: Completed translation [2021-04-28 18:27:12,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12 WrapperNode [2021-04-28 18:27:12,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 18:27:12,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 18:27:12,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 18:27:12,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 18:27:12,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:12,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:12,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 18:27:12,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 18:27:12,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 18:27:12,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 18:27:12,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:12,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (1/1) ... [2021-04-28 18:27:13,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 18:27:13,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 18:27:13,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 18:27:13,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 18:27:13,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (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 18:27:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 18:27:13,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 18:27:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 18:27:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 18:27:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 18:27:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 18:27:13,155 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 18:27:13,155 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 18:27:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 18:27:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 18:27:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 18:27:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 18:27:13,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 18:27:13,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 18:27:13,159 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 18:27:15,463 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 18:27:15,463 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 18:27:15,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:27:15 BoogieIcfgContainer [2021-04-28 18:27:15,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 18:27:15,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 18:27:15,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 18:27:15,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 18:27:15,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 06:27:11" (1/3) ... [2021-04-28 18:27:15,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f4c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:27:15, skipping insertion in model container [2021-04-28 18:27:15,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 06:27:12" (2/3) ... [2021-04-28 18:27:15,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@785f4c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 06:27:15, skipping insertion in model container [2021-04-28 18:27:15,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 06:27:15" (3/3) ... [2021-04-28 18:27:15,475 INFO L111 eAbstractionObserver]: Analyzing ICFG mix019_tso.oepc.i [2021-04-28 18:27:15,482 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 18:27:15,488 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 18:27:15,489 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 18:27:15,526 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,527 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,528 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,528 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,529 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,530 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,531 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,532 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,533 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,534 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,534 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,534 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,535 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,540 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,540 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,541 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,541 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,541 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,541 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,542 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,543 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,544 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,545 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,546 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,548 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,549 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,550 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,550 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,550 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,552 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,553 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,553 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,553 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,554 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,555 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,557 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,557 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,557 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,558 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,559 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 18:27:15,560 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 18:27:15,584 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 18:27:15,619 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 18:27:15,619 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 18:27:15,619 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 18:27:15,619 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 18:27:15,619 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 18:27:15,619 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 18:27:15,620 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 18:27:15,620 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 18:27:15,634 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 18:27:15,683 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 18:27:15,683 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:27:15,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 69 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 18:27:15,689 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 100 transitions, 215 flow [2021-04-28 18:27:15,695 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 97 transitions, 203 flow [2021-04-28 18:27:15,697 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:27:15,714 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 18:27:15,718 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 97 transitions, 203 flow [2021-04-28 18:27:15,721 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 203 flow [2021-04-28 18:27:15,747 INFO L129 PetriNetUnfolder]: 2/97 cut-off events. [2021-04-28 18:27:15,747 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:27:15,748 INFO L84 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 73 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 18:27:15,752 INFO L146 LiptonReduction]: Number of co-enabled transitions 1770 [2021-04-28 18:27:17,644 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 18:27:18,143 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:27:20,496 WARN L205 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 18:27:21,559 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:27:24,951 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 18:27:25,078 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 18:27:25,694 WARN L205 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 18:27:25,938 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 18:27:28,655 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:27:29,190 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:27:30,250 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:27:31,354 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:27:31,897 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 18:27:32,439 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-28 18:27:33,586 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 18:27:34,731 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-28 18:27:35,255 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:27:35,780 WARN L205 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:27:36,991 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:27:38,159 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:27:39,970 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-28 18:27:43,371 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:27:43,968 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:27:45,201 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:27:46,468 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:27:47,174 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:27:47,844 WARN L205 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:27:49,076 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:27:50,338 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:27:50,970 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:27:51,620 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:27:52,877 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:27:54,166 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:27:54,814 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:27:55,458 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:27:56,809 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:27:58,103 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:28:00,112 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 18:28:00,224 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 18:28:00,328 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-04-28 18:28:00,753 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 18:28:01,485 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:01,593 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:01,705 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:28:01,812 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:28:01,920 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:28:02,027 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-04-28 18:28:05,815 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:28:06,531 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 18:28:07,949 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:28:09,442 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 18:28:10,235 WARN L205 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:28:10,997 WARN L205 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 18:28:12,498 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:28:14,002 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 18:28:14,777 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:28:15,557 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-28 18:28:17,125 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:28:18,628 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 18:28:18,803 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:18,941 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:28:19,068 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:19,192 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:28:19,336 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:28:19,473 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:28:19,618 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:28:19,749 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:28:19,866 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:19,979 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:20,102 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:20,218 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:20,342 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:28:20,458 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:20,581 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 18:28:20,696 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:20,853 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:28:21,003 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:21,153 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 18:28:21,284 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:21,404 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:21,517 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:21,637 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:21,765 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:21,911 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:22,058 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:28:22,208 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:22,349 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 18:28:22,456 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:28:22,662 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:28:22,893 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:23,016 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:23,140 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 18:28:23,252 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:23,361 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:23,473 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:28:23,581 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 18:28:23,693 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 18:28:24,677 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 18:28:24,799 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 18:28:24,906 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 18:28:25,267 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:25,370 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:25,474 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:25,575 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-04-28 18:28:27,031 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:28:27,342 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:28:27,934 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-04-28 18:28:28,215 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-04-28 18:28:28,423 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:28,622 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:28,819 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:29,021 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:29,230 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:28:29,438 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:28:29,643 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:28:29,850 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 18:28:30,073 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:28:30,290 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:28:30,513 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:28:30,731 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 18:28:30,872 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:31,007 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:31,135 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:31,259 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:31,434 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:28:31,612 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:28:31,802 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:28:31,985 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 18:28:32,184 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:32,369 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:32,560 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:32,749 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:32,964 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:33,184 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:33,416 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:33,649 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:33,822 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:28:33,990 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:28:34,142 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:28:34,296 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 18:28:34,523 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:34,749 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:34,977 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:35,211 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:35,358 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:35,503 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:35,657 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:35,798 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:35,977 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:36,159 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:36,352 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:36,553 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 18:28:36,757 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:36,961 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:37,156 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:37,351 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 18:28:37,534 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:28:37,718 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:28:37,902 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:28:38,089 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 18:28:38,297 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:28:38,513 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:28:38,747 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:28:38,957 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 18:28:39,190 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:28:39,436 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:28:39,656 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:28:39,898 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 18:28:40,023 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:40,146 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:40,274 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:40,407 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 18:28:40,634 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:40,865 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:41,088 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:41,315 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:41,537 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:41,759 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:41,992 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:42,221 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 18:28:42,368 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:42,518 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:42,667 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:42,813 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 18:28:42,970 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:28:43,137 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:28:43,298 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:28:43,453 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 18:28:44,093 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:28:44,390 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:28:45,036 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-04-28 18:28:45,340 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-04-28 18:28:45,383 INFO L158 LiptonReduction]: Checked pairs total: 15865 [2021-04-28 18:28:45,383 INFO L160 LiptonReduction]: Total number of compositions: 233 [2021-04-28 18:28:45,388 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89693 [2021-04-28 18:28:45,409 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2021-04-28 18:28:45,409 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:28:45,410 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:45,410 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 18:28:45,411 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:45,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1163683617, now seen corresponding path program 1 times [2021-04-28 18:28:45,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:45,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045050543] [2021-04-28 18:28:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:45,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:45,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:45,712 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 18:28:45,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045050543] [2021-04-28 18:28:45,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:45,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:28:45,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585910778] [2021-04-28 18:28:45,722 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:28:45,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:45,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:28:45,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:28:45,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 333 [2021-04-28 18:28:45,745 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 123 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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 18:28:45,745 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:45,745 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 333 [2021-04-28 18:28:45,747 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:46,286 INFO L129 PetriNetUnfolder]: 309/745 cut-off events. [2021-04-28 18:28:46,286 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:28:46,290 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1270 conditions, 745 events. 309/745 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 5402 event pairs, 183 based on Foata normal form. 11/388 useless extension candidates. Maximal degree in co-relation 1197. Up to 377 conditions per place. [2021-04-28 18:28:46,293 INFO L132 encePairwiseOnDemand]: 313/333 looper letters, 9 selfloop transitions, 2 changer transitions 89/135 dead transitions. [2021-04-28 18:28:46,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 135 transitions, 379 flow [2021-04-28 18:28:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:28:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:28:46,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 829 transitions. [2021-04-28 18:28:46,314 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8298298298298298 [2021-04-28 18:28:46,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 829 transitions. [2021-04-28 18:28:46,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 829 transitions. [2021-04-28 18:28:46,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:46,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 829 transitions. [2021-04-28 18:28:46,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 276.3333333333333) internal successors, (829), 3 states have internal predecessors, (829), 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 18:28:46,339 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 333.0) internal successors, (1332), 4 states have internal predecessors, (1332), 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 18:28:46,341 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 333.0) internal successors, (1332), 4 states have internal predecessors, (1332), 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 18:28:46,343 INFO L185 Difference]: Start difference. First operand has 131 places, 123 transitions, 255 flow. Second operand 3 states and 829 transitions. [2021-04-28 18:28:46,344 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 130 places, 135 transitions, 379 flow [2021-04-28 18:28:46,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 135 transitions, 376 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 18:28:46,352 INFO L241 Difference]: Finished difference. Result has 127 places, 42 transitions, 94 flow [2021-04-28 18:28:46,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=118, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=127, PETRI_TRANSITIONS=42} [2021-04-28 18:28:46,356 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -4 predicate places. [2021-04-28 18:28:46,357 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:46,357 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 42 transitions, 94 flow [2021-04-28 18:28:46,359 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 42 transitions, 94 flow [2021-04-28 18:28:46,359 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 94 flow [2021-04-28 18:28:46,367 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-28 18:28:46,368 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:28:46,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 152 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 18:28:46,370 INFO L146 LiptonReduction]: Number of co-enabled transitions 990 [2021-04-28 18:28:46,412 INFO L158 LiptonReduction]: Checked pairs total: 978 [2021-04-28 18:28:46,412 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:46,412 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-04-28 18:28:46,417 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2021-04-28 18:28:46,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 258.6666666666667) internal successors, (776), 3 states have internal predecessors, (776), 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 18:28:46,419 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:46,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:46,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 18:28:46,420 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:46,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:46,422 INFO L82 PathProgramCache]: Analyzing trace with hash -416444922, now seen corresponding path program 1 times [2021-04-28 18:28:46,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:46,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564526408] [2021-04-28 18:28:46,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:46,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:46,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:46,580 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 18:28:46,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564526408] [2021-04-28 18:28:46,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:46,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 18:28:46,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301565087] [2021-04-28 18:28:46,582 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 18:28:46,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:46,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 18:28:46,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 18:28:46,589 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 333 [2021-04-28 18:28:46,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 18:28:46,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:46,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 333 [2021-04-28 18:28:46,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:46,644 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-28 18:28:46,644 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:28:46,644 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 135 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 18:28:46,645 INFO L132 encePairwiseOnDemand]: 330/333 looper letters, 1 selfloop transitions, 2 changer transitions 12/42 dead transitions. [2021-04-28 18:28:46,645 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 42 transitions, 100 flow [2021-04-28 18:28:46,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:28:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:28:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 733 transitions. [2021-04-28 18:28:46,649 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7337337337337337 [2021-04-28 18:28:46,649 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 733 transitions. [2021-04-28 18:28:46,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 733 transitions. [2021-04-28 18:28:46,650 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:46,651 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 733 transitions. [2021-04-28 18:28:46,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 244.33333333333334) internal successors, (733), 3 states have internal predecessors, (733), 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 18:28:46,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 333.0) internal successors, (1332), 4 states have internal predecessors, (1332), 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 18:28:46,659 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 333.0) internal successors, (1332), 4 states have internal predecessors, (1332), 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 18:28:46,659 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 733 transitions. [2021-04-28 18:28:46,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 42 transitions, 100 flow [2021-04-28 18:28:46,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:28:46,661 INFO L241 Difference]: Finished difference. Result has 52 places, 30 transitions, 74 flow [2021-04-28 18:28:46,662 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=52, PETRI_TRANSITIONS=30} [2021-04-28 18:28:46,662 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -79 predicate places. [2021-04-28 18:28:46,662 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:46,663 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-28 18:28:46,663 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-28 18:28:46,663 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 74 flow [2021-04-28 18:28:46,669 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-28 18:28:46,669 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 18:28:46,669 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 70 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 18:28:46,670 INFO L146 LiptonReduction]: Number of co-enabled transitions 500 [2021-04-28 18:28:47,256 INFO L158 LiptonReduction]: Checked pairs total: 1230 [2021-04-28 18:28:47,257 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 18:28:47,257 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 595 [2021-04-28 18:28:47,261 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 74 flow [2021-04-28 18:28:47,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 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 18:28:47,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:47,262 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:47,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 18:28:47,262 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:47,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:47,263 INFO L82 PathProgramCache]: Analyzing trace with hash -855586754, now seen corresponding path program 1 times [2021-04-28 18:28:47,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:47,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331087989] [2021-04-28 18:28:47,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:47,438 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:47,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 18:28:47,467 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:47,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:28:47,479 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 18:28:47,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331087989] [2021-04-28 18:28:47,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:47,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 18:28:47,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628247224] [2021-04-28 18:28:47,481 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:28:47,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:47,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:28:47,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:28:47,485 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 334 [2021-04-28 18:28:47,486 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 203.75) internal successors, (815), 4 states have internal predecessors, (815), 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 18:28:47,486 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:47,487 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 334 [2021-04-28 18:28:47,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:47,608 INFO L129 PetriNetUnfolder]: 79/194 cut-off events. [2021-04-28 18:28:47,608 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-04-28 18:28:47,609 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 194 events. 79/194 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 962 event pairs, 55 based on Foata normal form. 1/158 useless extension candidates. Maximal degree in co-relation 346. Up to 131 conditions per place. [2021-04-28 18:28:47,611 INFO L132 encePairwiseOnDemand]: 329/334 looper letters, 8 selfloop transitions, 4 changer transitions 0/34 dead transitions. [2021-04-28 18:28:47,611 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 34 transitions, 106 flow [2021-04-28 18:28:47,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 18:28:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 18:28:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 622 transitions. [2021-04-28 18:28:47,616 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6207584830339321 [2021-04-28 18:28:47,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 622 transitions. [2021-04-28 18:28:47,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 622 transitions. [2021-04-28 18:28:47,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:47,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 622 transitions. [2021-04-28 18:28:47,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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 18:28:47,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 334.0) internal successors, (1336), 4 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:28:47,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 334.0) internal successors, (1336), 4 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 18:28:47,623 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 74 flow. Second operand 3 states and 622 transitions. [2021-04-28 18:28:47,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 34 transitions, 106 flow [2021-04-28 18:28:47,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 18:28:47,625 INFO L241 Difference]: Finished difference. Result has 41 places, 33 transitions, 96 flow [2021-04-28 18:28:47,625 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=41, PETRI_TRANSITIONS=33} [2021-04-28 18:28:47,625 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -90 predicate places. [2021-04-28 18:28:47,625 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:47,626 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 33 transitions, 96 flow [2021-04-28 18:28:47,626 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 33 transitions, 96 flow [2021-04-28 18:28:47,626 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 33 transitions, 96 flow [2021-04-28 18:28:47,640 INFO L129 PetriNetUnfolder]: 14/82 cut-off events. [2021-04-28 18:28:47,640 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 18:28:47,640 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 82 events. 14/82 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 318 event pairs, 6 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 123. Up to 29 conditions per place. [2021-04-28 18:28:47,642 INFO L146 LiptonReduction]: Number of co-enabled transitions 532 [2021-04-28 18:28:47,784 INFO L158 LiptonReduction]: Checked pairs total: 434 [2021-04-28 18:28:47,784 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:47,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 160 [2021-04-28 18:28:47,786 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 33 transitions, 96 flow [2021-04-28 18:28:47,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 203.75) internal successors, (815), 4 states have internal predecessors, (815), 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 18:28:47,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:47,787 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:47,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 18:28:47,788 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:47,788 INFO L82 PathProgramCache]: Analyzing trace with hash -773022439, now seen corresponding path program 1 times [2021-04-28 18:28:47,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:47,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978565884] [2021-04-28 18:28:47,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:48,004 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 18:28:48,006 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:28:48,025 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 18:28:48,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 18:28:48,074 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:48,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:48,125 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 18:28:48,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978565884] [2021-04-28 18:28:48,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:48,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:48,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603154660] [2021-04-28 18:28:48,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:28:48,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:48,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:28:48,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:28:48,130 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 334 [2021-04-28 18:28:48,132 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 33 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 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 18:28:48,132 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:48,132 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 334 [2021-04-28 18:28:48,133 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:48,312 INFO L129 PetriNetUnfolder]: 77/192 cut-off events. [2021-04-28 18:28:48,312 INFO L130 PetriNetUnfolder]: For 59/89 co-relation queries the response was YES. [2021-04-28 18:28:48,313 INFO L84 FinitePrefix]: Finished finitePrefix Result has 429 conditions, 192 events. 77/192 cut-off events. For 59/89 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 945 event pairs, 52 based on Foata normal form. 8/164 useless extension candidates. Maximal degree in co-relation 418. Up to 120 conditions per place. [2021-04-28 18:28:48,314 INFO L132 encePairwiseOnDemand]: 328/334 looper letters, 10 selfloop transitions, 8 changer transitions 0/40 dead transitions. [2021-04-28 18:28:48,315 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 154 flow [2021-04-28 18:28:48,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:28:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:28:48,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 834 transitions. [2021-04-28 18:28:48,320 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.624251497005988 [2021-04-28 18:28:48,320 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 834 transitions. [2021-04-28 18:28:48,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 834 transitions. [2021-04-28 18:28:48,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:48,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 834 transitions. [2021-04-28 18:28:48,323 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 208.5) internal successors, (834), 4 states have internal predecessors, (834), 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 18:28:48,327 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:48,328 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:48,328 INFO L185 Difference]: Start difference. First operand has 41 places, 33 transitions, 96 flow. Second operand 4 states and 834 transitions. [2021-04-28 18:28:48,328 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 154 flow [2021-04-28 18:28:48,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 18:28:48,331 INFO L241 Difference]: Finished difference. Result has 45 places, 38 transitions, 148 flow [2021-04-28 18:28:48,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=45, PETRI_TRANSITIONS=38} [2021-04-28 18:28:48,331 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -86 predicate places. [2021-04-28 18:28:48,332 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:48,332 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 38 transitions, 148 flow [2021-04-28 18:28:48,332 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 38 transitions, 148 flow [2021-04-28 18:28:48,332 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 38 transitions, 148 flow [2021-04-28 18:28:48,347 INFO L129 PetriNetUnfolder]: 22/90 cut-off events. [2021-04-28 18:28:48,348 INFO L130 PetriNetUnfolder]: For 72/86 co-relation queries the response was YES. [2021-04-28 18:28:48,348 INFO L84 FinitePrefix]: Finished finitePrefix Result has 209 conditions, 90 events. 22/90 cut-off events. For 72/86 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 368 event pairs, 10 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 197. Up to 36 conditions per place. [2021-04-28 18:28:48,350 INFO L146 LiptonReduction]: Number of co-enabled transitions 604 [2021-04-28 18:28:48,428 INFO L158 LiptonReduction]: Checked pairs total: 418 [2021-04-28 18:28:48,429 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:48,429 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 97 [2021-04-28 18:28:48,431 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 38 transitions, 148 flow [2021-04-28 18:28:48,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 204.8) internal successors, (1024), 5 states have internal predecessors, (1024), 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 18:28:48,432 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:48,432 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:48,432 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 18:28:48,432 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:48,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:48,433 INFO L82 PathProgramCache]: Analyzing trace with hash 955592276, now seen corresponding path program 1 times [2021-04-28 18:28:48,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:48,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427939415] [2021-04-28 18:28:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:48,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:48,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:48,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:48,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:28:48,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:48,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:48,552 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 18:28:48,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427939415] [2021-04-28 18:28:48,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:48,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:48,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371911897] [2021-04-28 18:28:48,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:28:48,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:48,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:28:48,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:28:48,556 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 334 [2021-04-28 18:28:48,558 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 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 18:28:48,558 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:48,558 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 334 [2021-04-28 18:28:48,558 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:48,715 INFO L129 PetriNetUnfolder]: 77/213 cut-off events. [2021-04-28 18:28:48,716 INFO L130 PetriNetUnfolder]: For 196/244 co-relation queries the response was YES. [2021-04-28 18:28:48,717 INFO L84 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 213 events. 77/213 cut-off events. For 196/244 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1107 event pairs, 27 based on Foata normal form. 10/173 useless extension candidates. Maximal degree in co-relation 553. Up to 103 conditions per place. [2021-04-28 18:28:48,718 INFO L132 encePairwiseOnDemand]: 328/334 looper letters, 15 selfloop transitions, 9 changer transitions 0/46 dead transitions. [2021-04-28 18:28:48,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 46 transitions, 232 flow [2021-04-28 18:28:48,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:28:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:28:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 830 transitions. [2021-04-28 18:28:48,723 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6212574850299402 [2021-04-28 18:28:48,723 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 830 transitions. [2021-04-28 18:28:48,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 830 transitions. [2021-04-28 18:28:48,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:48,724 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 830 transitions. [2021-04-28 18:28:48,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 207.5) internal successors, (830), 4 states have internal predecessors, (830), 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 18:28:48,730 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:48,732 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:48,732 INFO L185 Difference]: Start difference. First operand has 45 places, 38 transitions, 148 flow. Second operand 4 states and 830 transitions. [2021-04-28 18:28:48,732 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 46 transitions, 232 flow [2021-04-28 18:28:48,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 46 transitions, 228 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-28 18:28:48,736 INFO L241 Difference]: Finished difference. Result has 49 places, 41 transitions, 187 flow [2021-04-28 18:28:48,736 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=187, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2021-04-28 18:28:48,736 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -82 predicate places. [2021-04-28 18:28:48,736 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:48,736 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 41 transitions, 187 flow [2021-04-28 18:28:48,737 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 41 transitions, 187 flow [2021-04-28 18:28:48,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 41 transitions, 187 flow [2021-04-28 18:28:48,760 INFO L129 PetriNetUnfolder]: 34/133 cut-off events. [2021-04-28 18:28:48,761 INFO L130 PetriNetUnfolder]: For 196/211 co-relation queries the response was YES. [2021-04-28 18:28:48,761 INFO L84 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 133 events. 34/133 cut-off events. For 196/211 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 681 event pairs, 10 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 333. Up to 47 conditions per place. [2021-04-28 18:28:48,763 INFO L146 LiptonReduction]: Number of co-enabled transitions 648 [2021-04-28 18:28:48,938 INFO L158 LiptonReduction]: Checked pairs total: 330 [2021-04-28 18:28:48,939 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:48,939 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 203 [2021-04-28 18:28:48,940 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 187 flow [2021-04-28 18:28:48,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 203.8) internal successors, (1019), 5 states have internal predecessors, (1019), 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 18:28:48,941 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:48,941 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:48,941 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 18:28:48,942 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:48,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:48,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1398263141, now seen corresponding path program 1 times [2021-04-28 18:28:48,942 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:48,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959904191] [2021-04-28 18:28:48,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:49,017 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:49,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:49,071 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:49,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:49,075 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-28 18:28:49,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-28 18:28:49,140 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.8 percent of original size [2021-04-28 18:28:49,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-04-28 18:28:49,184 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 18:28:49,184 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959904191] [2021-04-28 18:28:49,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:49,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:49,185 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583389107] [2021-04-28 18:28:49,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:28:49,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:49,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:28:49,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:28:49,188 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 334 [2021-04-28 18:28:49,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 187 flow. Second operand has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 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 18:28:49,190 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:49,190 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 334 [2021-04-28 18:28:49,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:49,407 INFO L129 PetriNetUnfolder]: 82/232 cut-off events. [2021-04-28 18:28:49,407 INFO L130 PetriNetUnfolder]: For 367/436 co-relation queries the response was YES. [2021-04-28 18:28:49,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 705 conditions, 232 events. 82/232 cut-off events. For 367/436 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1232 event pairs, 23 based on Foata normal form. 15/190 useless extension candidates. Maximal degree in co-relation 688. Up to 108 conditions per place. [2021-04-28 18:28:49,410 INFO L132 encePairwiseOnDemand]: 328/334 looper letters, 17 selfloop transitions, 16 changer transitions 0/55 dead transitions. [2021-04-28 18:28:49,411 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 55 transitions, 346 flow [2021-04-28 18:28:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:28:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:28:49,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1042 transitions. [2021-04-28 18:28:49,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6239520958083832 [2021-04-28 18:28:49,417 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1042 transitions. [2021-04-28 18:28:49,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1042 transitions. [2021-04-28 18:28:49,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:49,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1042 transitions. [2021-04-28 18:28:49,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 208.4) internal successors, (1042), 5 states have internal predecessors, (1042), 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 18:28:49,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:49,425 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:49,426 INFO L185 Difference]: Start difference. First operand has 49 places, 41 transitions, 187 flow. Second operand 5 states and 1042 transitions. [2021-04-28 18:28:49,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 55 transitions, 346 flow [2021-04-28 18:28:49,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 322 flow, removed 8 selfloop flow, removed 1 redundant places. [2021-04-28 18:28:49,430 INFO L241 Difference]: Finished difference. Result has 54 places, 50 transitions, 282 flow [2021-04-28 18:28:49,430 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=282, PETRI_PLACES=54, PETRI_TRANSITIONS=50} [2021-04-28 18:28:49,430 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -77 predicate places. [2021-04-28 18:28:49,431 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:49,431 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 50 transitions, 282 flow [2021-04-28 18:28:49,431 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 50 transitions, 282 flow [2021-04-28 18:28:49,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 50 transitions, 282 flow [2021-04-28 18:28:49,476 INFO L129 PetriNetUnfolder]: 71/229 cut-off events. [2021-04-28 18:28:49,477 INFO L130 PetriNetUnfolder]: For 477/499 co-relation queries the response was YES. [2021-04-28 18:28:49,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 666 conditions, 229 events. 71/229 cut-off events. For 477/499 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1302 event pairs, 12 based on Foata normal form. 2/162 useless extension candidates. Maximal degree in co-relation 648. Up to 75 conditions per place. [2021-04-28 18:28:49,482 INFO L146 LiptonReduction]: Number of co-enabled transitions 734 [2021-04-28 18:28:49,562 INFO L158 LiptonReduction]: Checked pairs total: 487 [2021-04-28 18:28:49,562 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:49,562 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 131 [2021-04-28 18:28:49,563 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 282 flow [2021-04-28 18:28:49,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 205.0) internal successors, (1025), 5 states have internal predecessors, (1025), 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 18:28:49,564 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:49,564 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:49,564 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 18:28:49,565 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:49,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:49,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1411844939, now seen corresponding path program 2 times [2021-04-28 18:28:49,565 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:49,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713460970] [2021-04-28 18:28:49,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:49,645 INFO L142 QuantifierPusher]: treesize reduction 15, result has 48.3 percent of original size [2021-04-28 18:28:49,646 INFO L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-04-28 18:28:49,709 INFO L142 QuantifierPusher]: treesize reduction 15, result has 53.1 percent of original size [2021-04-28 18:28:49,710 INFO L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-04-28 18:28:49,745 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-04-28 18:28:49,746 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-28 18:28:49,795 INFO L142 QuantifierPusher]: treesize reduction 15, result has 58.3 percent of original size [2021-04-28 18:28:49,797 INFO L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-04-28 18:28:49,798 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 18:28:49,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713460970] [2021-04-28 18:28:49,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:49,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:49,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915239568] [2021-04-28 18:28:49,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:28:49,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:49,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:28:49,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:28:49,802 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 334 [2021-04-28 18:28:49,803 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 282 flow. Second operand has 5 states, 5 states have (on average 194.0) internal successors, (970), 5 states have internal predecessors, (970), 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 18:28:49,803 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:49,803 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 334 [2021-04-28 18:28:49,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:49,924 INFO L129 PetriNetUnfolder]: 77/225 cut-off events. [2021-04-28 18:28:49,924 INFO L130 PetriNetUnfolder]: For 500/625 co-relation queries the response was YES. [2021-04-28 18:28:49,925 INFO L84 FinitePrefix]: Finished finitePrefix Result has 742 conditions, 225 events. 77/225 cut-off events. For 500/625 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1211 event pairs, 22 based on Foata normal form. 28/197 useless extension candidates. Maximal degree in co-relation 722. Up to 105 conditions per place. [2021-04-28 18:28:49,927 INFO L132 encePairwiseOnDemand]: 327/334 looper letters, 19 selfloop transitions, 14 changer transitions 0/55 dead transitions. [2021-04-28 18:28:49,927 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 55 transitions, 378 flow [2021-04-28 18:28:49,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:28:49,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:28:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 789 transitions. [2021-04-28 18:28:49,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5905688622754491 [2021-04-28 18:28:49,932 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 789 transitions. [2021-04-28 18:28:49,932 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 789 transitions. [2021-04-28 18:28:49,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:49,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 789 transitions. [2021-04-28 18:28:49,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 197.25) internal successors, (789), 4 states have internal predecessors, (789), 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 18:28:49,938 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:49,939 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:49,939 INFO L185 Difference]: Start difference. First operand has 54 places, 50 transitions, 282 flow. Second operand 4 states and 789 transitions. [2021-04-28 18:28:49,939 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 55 transitions, 378 flow [2021-04-28 18:28:49,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 55 transitions, 362 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-04-28 18:28:49,943 INFO L241 Difference]: Finished difference. Result has 58 places, 52 transitions, 330 flow [2021-04-28 18:28:49,943 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=330, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2021-04-28 18:28:49,943 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -73 predicate places. [2021-04-28 18:28:49,944 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:49,944 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 52 transitions, 330 flow [2021-04-28 18:28:49,944 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 52 transitions, 330 flow [2021-04-28 18:28:49,945 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 52 transitions, 330 flow [2021-04-28 18:28:49,981 INFO L129 PetriNetUnfolder]: 62/204 cut-off events. [2021-04-28 18:28:49,981 INFO L130 PetriNetUnfolder]: For 649/673 co-relation queries the response was YES. [2021-04-28 18:28:49,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 654 conditions, 204 events. 62/204 cut-off events. For 649/673 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1129 event pairs, 11 based on Foata normal form. 2/148 useless extension candidates. Maximal degree in co-relation 633. Up to 69 conditions per place. [2021-04-28 18:28:49,986 INFO L146 LiptonReduction]: Number of co-enabled transitions 758 [2021-04-28 18:28:50,061 INFO L158 LiptonReduction]: Checked pairs total: 535 [2021-04-28 18:28:50,061 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:50,062 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 118 [2021-04-28 18:28:50,063 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 330 flow [2021-04-28 18:28:50,063 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 194.0) internal successors, (970), 5 states have internal predecessors, (970), 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 18:28:50,064 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:50,064 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:50,064 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 18:28:50,064 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:50,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:50,064 INFO L82 PathProgramCache]: Analyzing trace with hash 412369619, now seen corresponding path program 1 times [2021-04-28 18:28:50,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:50,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241185377] [2021-04-28 18:28:50,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:50,140 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-28 18:28:50,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:50,156 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-04-28 18:28:50,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 18:28:50,179 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 18:28:50,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 18:28:50,223 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:50,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:50,278 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 18:28:50,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241185377] [2021-04-28 18:28:50,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:50,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:28:50,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856299562] [2021-04-28 18:28:50,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:28:50,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:50,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:28:50,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:28:50,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 334 [2021-04-28 18:28:50,285 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 330 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 18:28:50,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:50,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 334 [2021-04-28 18:28:50,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:50,506 INFO L129 PetriNetUnfolder]: 85/228 cut-off events. [2021-04-28 18:28:50,506 INFO L130 PetriNetUnfolder]: For 651/822 co-relation queries the response was YES. [2021-04-28 18:28:50,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 228 events. 85/228 cut-off events. For 651/822 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1198 event pairs, 16 based on Foata normal form. 39/220 useless extension candidates. Maximal degree in co-relation 803. Up to 111 conditions per place. [2021-04-28 18:28:50,510 INFO L132 encePairwiseOnDemand]: 326/334 looper letters, 20 selfloop transitions, 17 changer transitions 0/59 dead transitions. [2021-04-28 18:28:50,510 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 59 transitions, 448 flow [2021-04-28 18:28:50,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:28:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:28:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1041 transitions. [2021-04-28 18:28:50,516 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6233532934131737 [2021-04-28 18:28:50,516 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1041 transitions. [2021-04-28 18:28:50,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1041 transitions. [2021-04-28 18:28:50,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:50,517 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1041 transitions. [2021-04-28 18:28:50,520 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 208.2) internal successors, (1041), 5 states have internal predecessors, (1041), 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 18:28:50,523 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:50,524 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:50,524 INFO L185 Difference]: Start difference. First operand has 58 places, 52 transitions, 330 flow. Second operand 5 states and 1041 transitions. [2021-04-28 18:28:50,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 59 transitions, 448 flow [2021-04-28 18:28:50,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 59 transitions, 425 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 18:28:50,530 INFO L241 Difference]: Finished difference. Result has 61 places, 55 transitions, 371 flow [2021-04-28 18:28:50,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=371, PETRI_PLACES=61, PETRI_TRANSITIONS=55} [2021-04-28 18:28:50,530 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -70 predicate places. [2021-04-28 18:28:50,530 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:50,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 55 transitions, 371 flow [2021-04-28 18:28:50,531 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 55 transitions, 371 flow [2021-04-28 18:28:50,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 55 transitions, 371 flow [2021-04-28 18:28:50,573 INFO L129 PetriNetUnfolder]: 74/220 cut-off events. [2021-04-28 18:28:50,573 INFO L130 PetriNetUnfolder]: For 726/768 co-relation queries the response was YES. [2021-04-28 18:28:50,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 220 events. 74/220 cut-off events. For 726/768 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1202 event pairs, 11 based on Foata normal form. 2/164 useless extension candidates. Maximal degree in co-relation 740. Up to 78 conditions per place. [2021-04-28 18:28:50,578 INFO L146 LiptonReduction]: Number of co-enabled transitions 802 [2021-04-28 18:28:50,619 INFO L158 LiptonReduction]: Checked pairs total: 621 [2021-04-28 18:28:50,619 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:50,619 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 89 [2021-04-28 18:28:50,620 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 55 transitions, 371 flow [2021-04-28 18:28:50,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 18:28:50,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:50,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:50,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 18:28:50,622 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:50,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:50,622 INFO L82 PathProgramCache]: Analyzing trace with hash -441600289, now seen corresponding path program 2 times [2021-04-28 18:28:50,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:50,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433604770] [2021-04-28 18:28:50,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:50,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:50,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 18:28:50,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 18:28:50,747 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:50,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:50,803 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:50,804 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:50,859 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 18:28:50,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433604770] [2021-04-28 18:28:50,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:50,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:28:50,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107977460] [2021-04-28 18:28:50,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:28:50,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:50,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:28:50,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:28:50,864 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 334 [2021-04-28 18:28:50,865 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 55 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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 18:28:50,866 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:50,866 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 334 [2021-04-28 18:28:50,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:51,100 INFO L129 PetriNetUnfolder]: 97/261 cut-off events. [2021-04-28 18:28:51,100 INFO L130 PetriNetUnfolder]: For 875/1091 co-relation queries the response was YES. [2021-04-28 18:28:51,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 261 events. 97/261 cut-off events. For 875/1091 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1425 event pairs, 10 based on Foata normal form. 44/254 useless extension candidates. Maximal degree in co-relation 985. Up to 123 conditions per place. [2021-04-28 18:28:51,104 INFO L132 encePairwiseOnDemand]: 326/334 looper letters, 26 selfloop transitions, 18 changer transitions 0/66 dead transitions. [2021-04-28 18:28:51,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 66 transitions, 546 flow [2021-04-28 18:28:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:28:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:28:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1015 transitions. [2021-04-28 18:28:51,111 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6077844311377245 [2021-04-28 18:28:51,111 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1015 transitions. [2021-04-28 18:28:51,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1015 transitions. [2021-04-28 18:28:51,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:51,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1015 transitions. [2021-04-28 18:28:51,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 203.0) internal successors, (1015), 5 states have internal predecessors, (1015), 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 18:28:51,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:51,120 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:51,121 INFO L185 Difference]: Start difference. First operand has 61 places, 55 transitions, 371 flow. Second operand 5 states and 1015 transitions. [2021-04-28 18:28:51,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 66 transitions, 546 flow [2021-04-28 18:28:51,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 66 transitions, 493 flow, removed 10 selfloop flow, removed 3 redundant places. [2021-04-28 18:28:51,126 INFO L241 Difference]: Finished difference. Result has 63 places, 62 transitions, 438 flow [2021-04-28 18:28:51,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=331, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=438, PETRI_PLACES=63, PETRI_TRANSITIONS=62} [2021-04-28 18:28:51,127 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -68 predicate places. [2021-04-28 18:28:51,127 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:51,127 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 62 transitions, 438 flow [2021-04-28 18:28:51,127 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 62 transitions, 438 flow [2021-04-28 18:28:51,128 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 62 transitions, 438 flow [2021-04-28 18:28:51,177 INFO L129 PetriNetUnfolder]: 92/281 cut-off events. [2021-04-28 18:28:51,177 INFO L130 PetriNetUnfolder]: For 808/831 co-relation queries the response was YES. [2021-04-28 18:28:51,179 INFO L84 FinitePrefix]: Finished finitePrefix Result has 942 conditions, 281 events. 92/281 cut-off events. For 808/831 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1683 event pairs, 3 based on Foata normal form. 3/219 useless extension candidates. Maximal degree in co-relation 919. Up to 102 conditions per place. [2021-04-28 18:28:51,183 INFO L146 LiptonReduction]: Number of co-enabled transitions 888 [2021-04-28 18:28:51,262 INFO L158 LiptonReduction]: Checked pairs total: 860 [2021-04-28 18:28:51,262 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:51,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 135 [2021-04-28 18:28:51,264 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 62 transitions, 438 flow [2021-04-28 18:28:51,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 199.83333333333334) internal successors, (1199), 6 states have internal predecessors, (1199), 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 18:28:51,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:51,265 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:51,265 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 18:28:51,265 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:51,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:51,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1589380533, now seen corresponding path program 3 times [2021-04-28 18:28:51,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:51,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469206052] [2021-04-28 18:28:51,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:51,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:51,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:51,398 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-04-28 18:28:51,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-04-28 18:28:51,453 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:51,509 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 18:28:51,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469206052] [2021-04-28 18:28:51,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:51,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:28:51,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681500869] [2021-04-28 18:28:51,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:28:51,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:51,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:28:51,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:28:51,513 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 334 [2021-04-28 18:28:51,514 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 62 transitions, 438 flow. Second operand has 6 states, 6 states have (on average 201.83333333333334) internal successors, (1211), 6 states have internal predecessors, (1211), 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 18:28:51,514 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:51,514 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 334 [2021-04-28 18:28:51,515 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:51,803 INFO L129 PetriNetUnfolder]: 108/291 cut-off events. [2021-04-28 18:28:51,803 INFO L130 PetriNetUnfolder]: For 1209/1463 co-relation queries the response was YES. [2021-04-28 18:28:51,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1229 conditions, 291 events. 108/291 cut-off events. For 1209/1463 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1609 event pairs, 7 based on Foata normal form. 54/290 useless extension candidates. Maximal degree in co-relation 1204. Up to 141 conditions per place. [2021-04-28 18:28:51,808 INFO L132 encePairwiseOnDemand]: 326/334 looper letters, 24 selfloop transitions, 24 changer transitions 0/70 dead transitions. [2021-04-28 18:28:51,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 70 transitions, 611 flow [2021-04-28 18:28:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:28:51,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:28:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1227 transitions. [2021-04-28 18:28:51,815 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6122754491017964 [2021-04-28 18:28:51,815 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1227 transitions. [2021-04-28 18:28:51,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1227 transitions. [2021-04-28 18:28:51,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:51,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1227 transitions. [2021-04-28 18:28:51,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 204.5) internal successors, (1227), 6 states have internal predecessors, (1227), 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 18:28:51,823 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 334.0) internal successors, (2338), 7 states have internal predecessors, (2338), 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 18:28:51,824 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 334.0) internal successors, (2338), 7 states have internal predecessors, (2338), 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 18:28:51,824 INFO L185 Difference]: Start difference. First operand has 63 places, 62 transitions, 438 flow. Second operand 6 states and 1227 transitions. [2021-04-28 18:28:51,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 70 transitions, 611 flow [2021-04-28 18:28:51,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 70 transitions, 561 flow, removed 12 selfloop flow, removed 3 redundant places. [2021-04-28 18:28:51,831 INFO L241 Difference]: Finished difference. Result has 66 places, 67 transitions, 506 flow [2021-04-28 18:28:51,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=393, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=506, PETRI_PLACES=66, PETRI_TRANSITIONS=67} [2021-04-28 18:28:51,832 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -65 predicate places. [2021-04-28 18:28:51,832 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:51,832 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 67 transitions, 506 flow [2021-04-28 18:28:51,832 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 67 transitions, 506 flow [2021-04-28 18:28:51,833 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 67 transitions, 506 flow [2021-04-28 18:28:51,887 INFO L129 PetriNetUnfolder]: 105/301 cut-off events. [2021-04-28 18:28:51,888 INFO L130 PetriNetUnfolder]: For 999/1026 co-relation queries the response was YES. [2021-04-28 18:28:51,889 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 301 events. 105/301 cut-off events. For 999/1026 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1762 event pairs, 3 based on Foata normal form. 3/242 useless extension candidates. Maximal degree in co-relation 1126. Up to 124 conditions per place. [2021-04-28 18:28:51,894 INFO L146 LiptonReduction]: Number of co-enabled transitions 970 [2021-04-28 18:28:51,902 INFO L158 LiptonReduction]: Checked pairs total: 1095 [2021-04-28 18:28:51,902 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:51,903 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-28 18:28:51,904 INFO L480 AbstractCegarLoop]: Abstraction has has 66 places, 67 transitions, 506 flow [2021-04-28 18:28:51,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 201.83333333333334) internal successors, (1211), 6 states have internal predecessors, (1211), 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 18:28:51,905 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:51,905 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:51,905 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 18:28:51,905 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:51,906 INFO L82 PathProgramCache]: Analyzing trace with hash 81422139, now seen corresponding path program 4 times [2021-04-28 18:28:51,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:51,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701280497] [2021-04-28 18:28:51,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:51,974 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-04-28 18:28:51,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 18:28:51,990 INFO L142 QuantifierPusher]: treesize reduction 40, result has 52.4 percent of original size [2021-04-28 18:28:51,992 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-28 18:28:52,028 INFO L142 QuantifierPusher]: treesize reduction 40, result has 54.0 percent of original size [2021-04-28 18:28:52,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-04-28 18:28:52,074 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-04-28 18:28:52,075 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-04-28 18:28:52,130 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 18:28:52,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701280497] [2021-04-28 18:28:52,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:52,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:28:52,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670330635] [2021-04-28 18:28:52,131 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:28:52,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:52,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:28:52,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:28:52,134 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 334 [2021-04-28 18:28:52,136 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 67 transitions, 506 flow. Second operand has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 18:28:52,136 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:52,136 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 334 [2021-04-28 18:28:52,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:52,486 INFO L129 PetriNetUnfolder]: 108/285 cut-off events. [2021-04-28 18:28:52,487 INFO L130 PetriNetUnfolder]: For 1374/1663 co-relation queries the response was YES. [2021-04-28 18:28:52,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1351 conditions, 285 events. 108/285 cut-off events. For 1374/1663 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1571 event pairs, 8 based on Foata normal form. 68/304 useless extension candidates. Maximal degree in co-relation 1326. Up to 131 conditions per place. [2021-04-28 18:28:52,491 INFO L132 encePairwiseOnDemand]: 327/334 looper letters, 24 selfloop transitions, 28 changer transitions 0/74 dead transitions. [2021-04-28 18:28:52,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 74 transitions, 692 flow [2021-04-28 18:28:52,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 18:28:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 18:28:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1244 transitions. [2021-04-28 18:28:52,497 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6207584830339321 [2021-04-28 18:28:52,497 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1244 transitions. [2021-04-28 18:28:52,497 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1244 transitions. [2021-04-28 18:28:52,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:52,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1244 transitions. [2021-04-28 18:28:52,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 207.33333333333334) internal successors, (1244), 6 states have internal predecessors, (1244), 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 18:28:52,506 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 334.0) internal successors, (2338), 7 states have internal predecessors, (2338), 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 18:28:52,507 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 334.0) internal successors, (2338), 7 states have internal predecessors, (2338), 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 18:28:52,508 INFO L185 Difference]: Start difference. First operand has 66 places, 67 transitions, 506 flow. Second operand 6 states and 1244 transitions. [2021-04-28 18:28:52,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 74 transitions, 692 flow [2021-04-28 18:28:52,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 74 transitions, 653 flow, removed 9 selfloop flow, removed 3 redundant places. [2021-04-28 18:28:52,518 INFO L241 Difference]: Finished difference. Result has 69 places, 70 transitions, 588 flow [2021-04-28 18:28:52,519 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=588, PETRI_PLACES=69, PETRI_TRANSITIONS=70} [2021-04-28 18:28:52,519 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -62 predicate places. [2021-04-28 18:28:52,519 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:52,519 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 70 transitions, 588 flow [2021-04-28 18:28:52,520 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 70 transitions, 588 flow [2021-04-28 18:28:52,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 70 transitions, 588 flow [2021-04-28 18:28:52,577 INFO L129 PetriNetUnfolder]: 105/308 cut-off events. [2021-04-28 18:28:52,578 INFO L130 PetriNetUnfolder]: For 1319/1359 co-relation queries the response was YES. [2021-04-28 18:28:52,579 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 308 events. 105/308 cut-off events. For 1319/1359 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 1911 event pairs, 3 based on Foata normal form. 7/251 useless extension candidates. Maximal degree in co-relation 1292. Up to 128 conditions per place. [2021-04-28 18:28:52,585 INFO L146 LiptonReduction]: Number of co-enabled transitions 1022 [2021-04-28 18:28:52,671 INFO L158 LiptonReduction]: Checked pairs total: 1207 [2021-04-28 18:28:52,671 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:52,671 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-04-28 18:28:52,673 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 70 transitions, 588 flow [2021-04-28 18:28:52,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 204.83333333333334) internal successors, (1229), 6 states have internal predecessors, (1229), 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 18:28:52,685 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:52,686 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:52,686 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 18:28:52,691 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash 147138202, now seen corresponding path program 1 times [2021-04-28 18:28:52,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:52,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383844017] [2021-04-28 18:28:52,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:52,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:52,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:52,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:52,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:28:52,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:52,783 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:28:52,783 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 18:28:52,783 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383844017] [2021-04-28 18:28:52,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:52,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:52,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243468272] [2021-04-28 18:28:52,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:28:52,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:52,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:28:52,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:28:52,787 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 334 [2021-04-28 18:28:52,788 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 70 transitions, 588 flow. Second operand has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 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 18:28:52,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:52,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 334 [2021-04-28 18:28:52,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:53,228 INFO L129 PetriNetUnfolder]: 1024/1864 cut-off events. [2021-04-28 18:28:53,229 INFO L130 PetriNetUnfolder]: For 7086/7678 co-relation queries the response was YES. [2021-04-28 18:28:53,241 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6915 conditions, 1864 events. 1024/1864 cut-off events. For 7086/7678 co-relation queries the response was YES. Maximal size of possible extension queue 330. Compared 13258 event pairs, 357 based on Foata normal form. 265/1354 useless extension candidates. Maximal degree in co-relation 6889. Up to 1126 conditions per place. [2021-04-28 18:28:53,259 INFO L132 encePairwiseOnDemand]: 322/334 looper letters, 25 selfloop transitions, 20 changer transitions 0/92 dead transitions. [2021-04-28 18:28:53,259 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 92 transitions, 676 flow [2021-04-28 18:28:53,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 18:28:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 18:28:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1197 transitions. [2021-04-28 18:28:53,265 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7167664670658682 [2021-04-28 18:28:53,266 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1197 transitions. [2021-04-28 18:28:53,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1197 transitions. [2021-04-28 18:28:53,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:53,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1197 transitions. [2021-04-28 18:28:53,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 239.4) internal successors, (1197), 5 states have internal predecessors, (1197), 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 18:28:53,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:53,274 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 334.0) internal successors, (2004), 6 states have internal predecessors, (2004), 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 18:28:53,274 INFO L185 Difference]: Start difference. First operand has 69 places, 70 transitions, 588 flow. Second operand 5 states and 1197 transitions. [2021-04-28 18:28:53,274 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 92 transitions, 676 flow [2021-04-28 18:28:53,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 92 transitions, 625 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-04-28 18:28:53,302 INFO L241 Difference]: Finished difference. Result has 71 places, 83 transitions, 649 flow [2021-04-28 18:28:53,302 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=649, PETRI_PLACES=71, PETRI_TRANSITIONS=83} [2021-04-28 18:28:53,303 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -60 predicate places. [2021-04-28 18:28:53,303 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:53,303 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 83 transitions, 649 flow [2021-04-28 18:28:53,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 83 transitions, 649 flow [2021-04-28 18:28:53,304 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 83 transitions, 649 flow [2021-04-28 18:28:53,573 INFO L129 PetriNetUnfolder]: 1035/1889 cut-off events. [2021-04-28 18:28:53,574 INFO L130 PetriNetUnfolder]: For 5732/6063 co-relation queries the response was YES. [2021-04-28 18:28:53,586 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7667 conditions, 1889 events. 1035/1889 cut-off events. For 5732/6063 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 13433 event pairs, 267 based on Foata normal form. 36/1107 useless extension candidates. Maximal degree in co-relation 7641. Up to 1267 conditions per place. [2021-04-28 18:28:53,613 INFO L146 LiptonReduction]: Number of co-enabled transitions 1282 [2021-04-28 18:28:53,693 INFO L158 LiptonReduction]: Checked pairs total: 897 [2021-04-28 18:28:53,693 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:53,694 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 391 [2021-04-28 18:28:53,695 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 83 transitions, 649 flow [2021-04-28 18:28:53,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 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 18:28:53,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:53,696 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:53,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 18:28:53,696 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:53,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:53,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1381844199, now seen corresponding path program 1 times [2021-04-28 18:28:53,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:53,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337251185] [2021-04-28 18:28:53,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:53,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:53,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:53,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:53,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:53,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:53,774 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:28:53,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:53,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:28:53,790 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 18:28:53,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337251185] [2021-04-28 18:28:53,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:53,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 18:28:53,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307523529] [2021-04-28 18:28:53,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 18:28:53,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:53,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 18:28:53,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 18:28:53,794 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 334 [2021-04-28 18:28:53,795 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 83 transitions, 649 flow. Second operand has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 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 18:28:53,795 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:53,795 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 334 [2021-04-28 18:28:53,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:54,272 INFO L129 PetriNetUnfolder]: 673/1468 cut-off events. [2021-04-28 18:28:54,272 INFO L130 PetriNetUnfolder]: For 7277/9664 co-relation queries the response was YES. [2021-04-28 18:28:54,283 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6811 conditions, 1468 events. 673/1468 cut-off events. For 7277/9664 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 11629 event pairs, 72 based on Foata normal form. 342/1123 useless extension candidates. Maximal degree in co-relation 6783. Up to 1028 conditions per place. [2021-04-28 18:28:54,294 INFO L132 encePairwiseOnDemand]: 322/334 looper letters, 14 selfloop transitions, 39 changer transitions 9/104 dead transitions. [2021-04-28 18:28:54,294 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 104 transitions, 870 flow [2021-04-28 18:28:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 18:28:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 18:28:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1678 transitions. [2021-04-28 18:28:54,301 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7177074422583405 [2021-04-28 18:28:54,302 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1678 transitions. [2021-04-28 18:28:54,302 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1678 transitions. [2021-04-28 18:28:54,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:54,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1678 transitions. [2021-04-28 18:28:54,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 239.71428571428572) internal successors, (1678), 7 states have internal predecessors, (1678), 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 18:28:54,312 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 334.0) internal successors, (2672), 8 states have internal predecessors, (2672), 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 18:28:54,313 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 334.0) internal successors, (2672), 8 states have internal predecessors, (2672), 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 18:28:54,313 INFO L185 Difference]: Start difference. First operand has 71 places, 83 transitions, 649 flow. Second operand 7 states and 1678 transitions. [2021-04-28 18:28:54,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 104 transitions, 870 flow [2021-04-28 18:28:54,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 104 transitions, 839 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-28 18:28:54,334 INFO L241 Difference]: Finished difference. Result has 78 places, 95 transitions, 822 flow [2021-04-28 18:28:54,335 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=549, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=822, PETRI_PLACES=78, PETRI_TRANSITIONS=95} [2021-04-28 18:28:54,335 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -53 predicate places. [2021-04-28 18:28:54,335 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:54,335 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 95 transitions, 822 flow [2021-04-28 18:28:54,335 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 95 transitions, 822 flow [2021-04-28 18:28:54,336 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 95 transitions, 822 flow [2021-04-28 18:28:54,544 INFO L129 PetriNetUnfolder]: 565/1317 cut-off events. [2021-04-28 18:28:54,544 INFO L130 PetriNetUnfolder]: For 6615/7328 co-relation queries the response was YES. [2021-04-28 18:28:54,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6774 conditions, 1317 events. 565/1317 cut-off events. For 6615/7328 co-relation queries the response was YES. Maximal size of possible extension queue 264. Compared 10854 event pairs, 72 based on Foata normal form. 21/781 useless extension candidates. Maximal degree in co-relation 6744. Up to 866 conditions per place. [2021-04-28 18:28:54,572 INFO L146 LiptonReduction]: Number of co-enabled transitions 1412 [2021-04-28 18:28:54,582 INFO L158 LiptonReduction]: Checked pairs total: 852 [2021-04-28 18:28:54,582 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:54,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-04-28 18:28:54,583 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 95 transitions, 822 flow [2021-04-28 18:28:54,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 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 18:28:54,584 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:54,584 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 18:28:54,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 18:28:54,584 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:54,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:54,585 INFO L82 PathProgramCache]: Analyzing trace with hash 2132801961, now seen corresponding path program 1 times [2021-04-28 18:28:54,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:54,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122346869] [2021-04-28 18:28:54,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:54,656 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:54,657 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:54,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:54,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:54,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:54,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:54,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:54,682 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 18:28:54,697 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:54,698 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:28:54,698 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 18:28:54,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122346869] [2021-04-28 18:28:54,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:54,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 18:28:54,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30208728] [2021-04-28 18:28:54,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 18:28:54,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:54,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 18:28:54,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 18:28:54,702 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 334 [2021-04-28 18:28:54,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 95 transitions, 822 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 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 18:28:54,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:54,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 334 [2021-04-28 18:28:54,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:55,175 INFO L129 PetriNetUnfolder]: 349/955 cut-off events. [2021-04-28 18:28:55,176 INFO L130 PetriNetUnfolder]: For 7521/12601 co-relation queries the response was YES. [2021-04-28 18:28:55,183 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5308 conditions, 955 events. 349/955 cut-off events. For 7521/12601 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 7864 event pairs, 0 based on Foata normal form. 280/719 useless extension candidates. Maximal degree in co-relation 5276. Up to 785 conditions per place. [2021-04-28 18:28:55,190 INFO L132 encePairwiseOnDemand]: 322/334 looper letters, 2 selfloop transitions, 49 changer transitions 9/100 dead transitions. [2021-04-28 18:28:55,191 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 100 transitions, 959 flow [2021-04-28 18:28:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 18:28:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 18:28:55,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2141 transitions. [2021-04-28 18:28:55,199 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7122421823020625 [2021-04-28 18:28:55,199 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2141 transitions. [2021-04-28 18:28:55,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2141 transitions. [2021-04-28 18:28:55,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:55,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2141 transitions. [2021-04-28 18:28:55,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 237.88888888888889) internal successors, (2141), 9 states have internal predecessors, (2141), 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 18:28:55,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 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 18:28:55,212 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 334.0) internal successors, (3340), 10 states have internal predecessors, (3340), 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 18:28:55,212 INFO L185 Difference]: Start difference. First operand has 78 places, 95 transitions, 822 flow. Second operand 9 states and 2141 transitions. [2021-04-28 18:28:55,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 100 transitions, 959 flow [2021-04-28 18:28:55,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 100 transitions, 816 flow, removed 46 selfloop flow, removed 6 redundant places. [2021-04-28 18:28:55,253 INFO L241 Difference]: Finished difference. Result has 83 places, 91 transitions, 757 flow [2021-04-28 18:28:55,253 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=618, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=757, PETRI_PLACES=83, PETRI_TRANSITIONS=91} [2021-04-28 18:28:55,253 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -48 predicate places. [2021-04-28 18:28:55,254 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:55,254 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 91 transitions, 757 flow [2021-04-28 18:28:55,254 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 91 transitions, 757 flow [2021-04-28 18:28:55,255 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 91 transitions, 757 flow [2021-04-28 18:28:55,369 INFO L129 PetriNetUnfolder]: 295/874 cut-off events. [2021-04-28 18:28:55,370 INFO L130 PetriNetUnfolder]: For 2848/3206 co-relation queries the response was YES. [2021-04-28 18:28:55,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3904 conditions, 874 events. 295/874 cut-off events. For 2848/3206 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 7491 event pairs, 0 based on Foata normal form. 11/431 useless extension candidates. Maximal degree in co-relation 3873. Up to 360 conditions per place. [2021-04-28 18:28:55,428 INFO L146 LiptonReduction]: Number of co-enabled transitions 1368 [2021-04-28 18:28:55,461 INFO L158 LiptonReduction]: Checked pairs total: 947 [2021-04-28 18:28:55,461 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:55,461 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 207 [2021-04-28 18:28:55,462 INFO L480 AbstractCegarLoop]: Abstraction has has 82 places, 91 transitions, 757 flow [2021-04-28 18:28:55,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 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 18:28:55,463 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:55,463 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:55,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-28 18:28:55,463 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:55,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:55,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2068003661, now seen corresponding path program 1 times [2021-04-28 18:28:55,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:55,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695758381] [2021-04-28 18:28:55,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:55,518 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:55,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:28:55,520 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:55,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:55,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:55,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:55,535 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 18:28:55,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695758381] [2021-04-28 18:28:55,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:55,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:55,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805274182] [2021-04-28 18:28:55,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:28:55,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:55,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:28:55,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:28:55,539 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 334 [2021-04-28 18:28:55,540 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 91 transitions, 757 flow. Second operand has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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 18:28:55,540 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:55,540 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 334 [2021-04-28 18:28:55,540 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:55,798 INFO L129 PetriNetUnfolder]: 557/1608 cut-off events. [2021-04-28 18:28:55,798 INFO L130 PetriNetUnfolder]: For 5677/6617 co-relation queries the response was YES. [2021-04-28 18:28:55,811 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7335 conditions, 1608 events. 557/1608 cut-off events. For 5677/6617 co-relation queries the response was YES. Maximal size of possible extension queue 411. Compared 15478 event pairs, 0 based on Foata normal form. 57/794 useless extension candidates. Maximal degree in co-relation 7302. Up to 675 conditions per place. [2021-04-28 18:28:55,818 INFO L132 encePairwiseOnDemand]: 330/334 looper letters, 3 selfloop transitions, 3 changer transitions 8/92 dead transitions. [2021-04-28 18:28:55,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 771 flow [2021-04-28 18:28:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:28:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:28:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 883 transitions. [2021-04-28 18:28:55,823 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6609281437125748 [2021-04-28 18:28:55,823 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 883 transitions. [2021-04-28 18:28:55,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 883 transitions. [2021-04-28 18:28:55,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:55,824 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 883 transitions. [2021-04-28 18:28:55,826 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 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 18:28:55,829 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:55,829 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:55,830 INFO L185 Difference]: Start difference. First operand has 82 places, 91 transitions, 757 flow. Second operand 4 states and 883 transitions. [2021-04-28 18:28:55,830 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 771 flow [2021-04-28 18:28:55,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 92 transitions, 621 flow, removed 31 selfloop flow, removed 8 redundant places. [2021-04-28 18:28:55,999 INFO L241 Difference]: Finished difference. Result has 79 places, 84 transitions, 565 flow [2021-04-28 18:28:55,999 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=565, PETRI_PLACES=79, PETRI_TRANSITIONS=84} [2021-04-28 18:28:55,999 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -52 predicate places. [2021-04-28 18:28:55,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:56,000 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 84 transitions, 565 flow [2021-04-28 18:28:56,000 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 84 transitions, 565 flow [2021-04-28 18:28:56,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 84 transitions, 565 flow [2021-04-28 18:28:56,157 INFO L129 PetriNetUnfolder]: 494/1423 cut-off events. [2021-04-28 18:28:56,158 INFO L130 PetriNetUnfolder]: For 2662/2846 co-relation queries the response was YES. [2021-04-28 18:28:56,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5142 conditions, 1423 events. 494/1423 cut-off events. For 2662/2846 co-relation queries the response was YES. Maximal size of possible extension queue 408. Compared 13582 event pairs, 2 based on Foata normal form. 18/680 useless extension candidates. Maximal degree in co-relation 5113. Up to 585 conditions per place. [2021-04-28 18:28:56,183 INFO L146 LiptonReduction]: Number of co-enabled transitions 1016 [2021-04-28 18:28:56,272 INFO L158 LiptonReduction]: Checked pairs total: 393 [2021-04-28 18:28:56,272 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 18:28:56,273 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 274 [2021-04-28 18:28:56,274 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 84 transitions, 565 flow [2021-04-28 18:28:56,274 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 220.0) internal successors, (880), 4 states have internal predecessors, (880), 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 18:28:56,274 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:56,275 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:56,275 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-28 18:28:56,275 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:56,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:56,275 INFO L82 PathProgramCache]: Analyzing trace with hash -535194884, now seen corresponding path program 1 times [2021-04-28 18:28:56,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:56,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557922851] [2021-04-28 18:28:56,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 18:28:56,336 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:56,337 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 18:28:56,338 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:56,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:56,346 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 18:28:56,347 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 18:28:56,354 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 18:28:56,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557922851] [2021-04-28 18:28:56,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 18:28:56,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 18:28:56,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3045110] [2021-04-28 18:28:56,356 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 18:28:56,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 18:28:56,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 18:28:56,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 18:28:56,358 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 224 out of 334 [2021-04-28 18:28:56,359 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 84 transitions, 565 flow. Second operand has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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 18:28:56,360 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 18:28:56,360 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 224 of 334 [2021-04-28 18:28:56,360 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 18:28:56,720 INFO L129 PetriNetUnfolder]: 953/2683 cut-off events. [2021-04-28 18:28:56,721 INFO L130 PetriNetUnfolder]: For 5246/5501 co-relation queries the response was YES. [2021-04-28 18:28:56,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9785 conditions, 2683 events. 953/2683 cut-off events. For 5246/5501 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 28001 event pairs, 1 based on Foata normal form. 73/1305 useless extension candidates. Maximal degree in co-relation 9754. Up to 1125 conditions per place. [2021-04-28 18:28:56,748 INFO L132 encePairwiseOnDemand]: 331/334 looper letters, 3 selfloop transitions, 1 changer transitions 12/85 dead transitions. [2021-04-28 18:28:56,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 85 transitions, 577 flow [2021-04-28 18:28:56,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 18:28:56,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 18:28:56,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 902 transitions. [2021-04-28 18:28:56,753 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6751497005988024 [2021-04-28 18:28:56,753 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 902 transitions. [2021-04-28 18:28:56,754 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 902 transitions. [2021-04-28 18:28:56,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 18:28:56,755 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 902 transitions. [2021-04-28 18:28:56,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 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 18:28:56,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:56,760 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 334.0) internal successors, (1670), 5 states have internal predecessors, (1670), 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 18:28:56,760 INFO L185 Difference]: Start difference. First operand has 77 places, 84 transitions, 565 flow. Second operand 4 states and 902 transitions. [2021-04-28 18:28:56,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 85 transitions, 577 flow [2021-04-28 18:28:56,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 85 transitions, 569 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 18:28:56,945 INFO L241 Difference]: Finished difference. Result has 79 places, 73 transitions, 471 flow [2021-04-28 18:28:56,946 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=557, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=471, PETRI_PLACES=79, PETRI_TRANSITIONS=73} [2021-04-28 18:28:56,946 INFO L343 CegarLoopForPetriNet]: 131 programPoint places, -52 predicate places. [2021-04-28 18:28:56,946 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 18:28:56,946 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 73 transitions, 471 flow [2021-04-28 18:28:56,947 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 73 transitions, 471 flow [2021-04-28 18:28:56,947 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 73 transitions, 471 flow [2021-04-28 18:28:57,049 INFO L129 PetriNetUnfolder]: 285/876 cut-off events. [2021-04-28 18:28:57,049 INFO L130 PetriNetUnfolder]: For 1461/1521 co-relation queries the response was YES. [2021-04-28 18:28:57,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3167 conditions, 876 events. 285/876 cut-off events. For 1461/1521 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 7711 event pairs, 1 based on Foata normal form. 15/440 useless extension candidates. Maximal degree in co-relation 3138. Up to 360 conditions per place. [2021-04-28 18:28:57,064 INFO L146 LiptonReduction]: Number of co-enabled transitions 658 [2021-04-28 18:28:57,281 INFO L158 LiptonReduction]: Checked pairs total: 113 [2021-04-28 18:28:57,281 INFO L160 LiptonReduction]: Total number of compositions: 3 [2021-04-28 18:28:57,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 336 [2021-04-28 18:28:57,283 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 73 transitions, 479 flow [2021-04-28 18:28:57,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 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 18:28:57,283 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 18:28:57,284 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 18:28:57,284 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-28 18:28:57,284 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 18:28:57,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 18:28:57,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1489083349, now seen corresponding path program 1 times [2021-04-28 18:28:57,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 18:28:57,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015979799] [2021-04-28 18:28:57,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 18:28:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:28:57,349 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:28:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 18:28:57,398 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 18:28:57,438 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 18:28:57,439 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 18:28:57,439 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-28 18:28:57,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 06:28:57 BasicIcfg [2021-04-28 18:28:57,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 18:28:57,541 INFO L168 Benchmark]: Toolchain (without parser) took 105560.75 ms. Allocated memory was 302.0 MB in the beginning and 679.5 MB in the end (delta: 377.5 MB). Free memory was 277.4 MB in the beginning and 471.7 MB in the end (delta: -194.3 MB). Peak memory consumption was 186.6 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,542 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 18:28:57,542 INFO L168 Benchmark]: CACSL2BoogieTranslator took 828.63 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 279.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.47 ms. Allocated memory is still 302.0 MB. Free memory was 279.8 MB in the beginning and 276.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,542 INFO L168 Benchmark]: Boogie Preprocessor took 65.54 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,543 INFO L168 Benchmark]: RCFGBuilder took 2419.23 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.5 MB in the beginning and 275.5 MB in the end (delta: -984.8 kB). Peak memory consumption was 169.9 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,543 INFO L168 Benchmark]: TraceAbstraction took 102072.96 ms. Allocated memory was 362.8 MB in the beginning and 679.5 MB in the end (delta: 316.7 MB). Free memory was 275.5 MB in the beginning and 471.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 121.5 MB. Max. memory is 16.0 GB. [2021-04-28 18:28:57,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 828.63 ms. Allocated memory is still 302.0 MB. Free memory was 274.2 MB in the beginning and 279.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 37.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 122.47 ms. Allocated memory is still 302.0 MB. Free memory was 279.8 MB in the beginning and 276.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 65.54 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 274.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2419.23 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.5 MB in the beginning and 275.5 MB in the end (delta: -984.8 kB). Peak memory consumption was 169.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 102072.96 ms. Allocated memory was 362.8 MB in the beginning and 679.5 MB in the end (delta: 316.7 MB). Free memory was 275.5 MB in the beginning and 471.7 MB in the end (delta: -196.2 MB). Peak memory consumption was 121.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 89665.6ms, 105 PlacesBefore, 131 PlacesAfterwards, 97 TransitionsBefore, 123 TransitionsAfterwards, 1770 CoEnabledTransitionPairs, 8 FixpointIterations, 150 TrivialSequentialCompositions, 82 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 233 TotalNumberOfCompositions, 15865 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4004, positive: 3739, positive conditional: 3739, positive unconditional: 0, negative: 265, negative conditional: 265, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1860, positive: 1773, positive conditional: 0, positive unconditional: 1773, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1860, positive: 1773, positive conditional: 0, positive unconditional: 1773, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1860, positive: 1756, positive conditional: 0, positive unconditional: 1756, negative: 104, negative conditional: 0, negative unconditional: 104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 104, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2699, positive: 67, positive conditional: 0, positive unconditional: 67, negative: 2632, negative conditional: 0, negative unconditional: 2632, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4004, positive: 1966, positive conditional: 1966, positive unconditional: 0, negative: 178, negative conditional: 178, negative unconditional: 0, unknown: 1860, unknown conditional: 1860, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1860, Positive cache size: 1773, Positive conditional cache size: 1773, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 53.7ms, 127 PlacesBefore, 51 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 990 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 978 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 121, positive conditional: 121, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 6, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 38, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1866, Positive cache size: 1778, Positive conditional cache size: 1778, 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: 593.7ms, 52 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1230 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 276, positive: 213, positive conditional: 213, positive unconditional: 0, negative: 63, negative conditional: 63, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 63, positive: 51, positive conditional: 22, positive unconditional: 29, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 63, positive: 51, positive conditional: 22, positive unconditional: 29, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 63, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 534, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 534, negative conditional: 0, negative unconditional: 534, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 276, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 63, unknown conditional: 63, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1929, Positive cache size: 1829, Positive conditional cache size: 1829, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 158.5ms, 41 PlacesBefore, 41 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 532 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 434 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 2, positive unconditional: 17, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 2, positive unconditional: 17, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 115, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1951, Positive cache size: 1848, Positive conditional cache size: 1848, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 96.7ms, 45 PlacesBefore, 45 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 604 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 32, positive conditional: 9, positive unconditional: 23, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 59, negative conditional: 0, negative unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 128, positive conditional: 128, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1988, Positive cache size: 1880, Positive conditional cache size: 1880, Positive unconditional cache size: 0, Negative cache size: 108, Negative conditional cache size: 108, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 202.0ms, 49 PlacesBefore, 49 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 648 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 330 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 129, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 15, positive conditional: 7, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 15, positive conditional: 7, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 170, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 125, negative conditional: 0, negative unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 129, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2007, Positive cache size: 1895, Positive conditional cache size: 1895, Positive unconditional cache size: 0, Negative cache size: 112, Negative conditional cache size: 112, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 131.0ms, 54 PlacesBefore, 54 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 734 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 487 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 118, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 17, negative conditional: 17, 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: 5, positive unconditional: 2, 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: 5, positive unconditional: 2, 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: 7, positive conditional: 0, positive unconditional: 7, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 73, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 118, positive: 94, positive conditional: 94, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2016, Positive cache size: 1902, Positive conditional cache size: 1902, Positive unconditional cache size: 0, Negative cache size: 114, Negative conditional cache size: 114, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 117.4ms, 58 PlacesBefore, 58 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 535 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 245, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 9, 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: 14, positive: 12, positive conditional: 9, 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: 14, positive: 12, positive conditional: 0, positive unconditional: 12, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 245, positive: 215, positive conditional: 215, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 1914, Positive conditional cache size: 1914, Positive unconditional cache size: 0, Negative cache size: 116, Negative conditional cache size: 116, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 88.3ms, 61 PlacesBefore, 61 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 802 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 621 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 229, positive: 209, positive conditional: 209, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 7, positive conditional: 5, positive unconditional: 2, 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: 8, positive: 7, positive conditional: 5, positive unconditional: 2, 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: 8, positive: 7, positive conditional: 0, positive unconditional: 7, 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: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 229, positive: 202, positive conditional: 202, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2038, Positive cache size: 1921, Positive conditional cache size: 1921, Positive unconditional cache size: 0, Negative cache size: 117, Negative conditional cache size: 117, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.1ms, 63 PlacesBefore, 63 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 860 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 395, positive: 370, positive conditional: 370, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 23, positive conditional: 16, positive unconditional: 7, 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: 25, positive: 23, positive conditional: 16, positive unconditional: 7, 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: 25, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 395, positive: 347, positive conditional: 347, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2063, Positive cache size: 1944, Positive conditional cache size: 1944, Positive unconditional cache size: 0, Negative cache size: 119, Negative conditional cache size: 119, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.4ms, 66 PlacesBefore, 66 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 970 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1095 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 633, positive: 604, positive conditional: 604, 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: 40, positive: 40, positive conditional: 33, positive unconditional: 7, 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: 40, positive: 40, positive conditional: 33, positive unconditional: 7, 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: 40, positive: 40, positive conditional: 0, positive unconditional: 40, 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: 633, positive: 564, positive conditional: 564, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2103, Positive cache size: 1984, Positive conditional cache size: 1984, Positive unconditional cache size: 0, Negative cache size: 119, Negative conditional cache size: 119, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 151.7ms, 69 PlacesBefore, 69 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 1022 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1207 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 519, positive: 488, positive conditional: 488, 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: 28, positive: 26, positive conditional: 24, positive unconditional: 2, 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: 28, positive: 26, positive conditional: 24, positive unconditional: 2, 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: 28, positive: 26, positive conditional: 0, positive unconditional: 26, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 75, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 75, negative conditional: 0, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 519, positive: 462, positive conditional: 462, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2131, Positive cache size: 2010, Positive conditional cache size: 2010, Positive unconditional cache size: 0, Negative cache size: 121, Negative conditional cache size: 121, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 390.1ms, 71 PlacesBefore, 71 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 1282 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 897 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 317, positive: 297, positive conditional: 297, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 22, positive unconditional: 4, 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: 28, positive: 26, positive conditional: 22, positive unconditional: 4, 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: 28, positive: 26, positive conditional: 0, positive unconditional: 26, 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: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 69, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 317, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2159, Positive cache size: 2036, Positive conditional cache size: 2036, Positive unconditional cache size: 0, Negative cache size: 123, Negative conditional cache size: 123, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 246.6ms, 78 PlacesBefore, 78 PlacesAfterwards, 95 TransitionsBefore, 95 TransitionsAfterwards, 1412 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 426, positive: 408, positive conditional: 408, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49, positive: 49, positive conditional: 44, positive unconditional: 5, 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: 49, positive: 49, positive conditional: 44, positive unconditional: 5, 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: 49, positive: 49, positive conditional: 0, positive unconditional: 49, 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: 426, positive: 359, positive conditional: 359, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2208, Positive cache size: 2085, Positive conditional cache size: 2085, Positive unconditional cache size: 0, Negative cache size: 123, Negative conditional cache size: 123, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 206.9ms, 83 PlacesBefore, 82 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1368 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 947 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 561, positive: 540, positive conditional: 540, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 112, positive: 111, positive conditional: 108, positive unconditional: 3, 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: 112, positive: 111, positive conditional: 108, positive unconditional: 3, 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: 112, positive: 111, positive conditional: 0, positive unconditional: 111, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 561, positive: 429, positive conditional: 429, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 112, unknown conditional: 112, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2320, Positive cache size: 2196, Positive conditional cache size: 2196, Positive unconditional cache size: 0, Negative cache size: 124, Negative conditional cache size: 124, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 272.5ms, 79 PlacesBefore, 77 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 1016 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 393 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 303, positive: 294, positive conditional: 294, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 62, positive conditional: 61, 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: 62, positive: 62, positive conditional: 61, 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: 62, positive: 62, positive conditional: 0, positive unconditional: 62, 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: 303, positive: 232, positive conditional: 232, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 62, unknown conditional: 62, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2382, Positive cache size: 2258, Positive conditional cache size: 2258, Positive unconditional cache size: 0, Negative cache size: 124, Negative conditional cache size: 124, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 334.8ms, 79 PlacesBefore, 71 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 658 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 113 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113, positive: 113, positive conditional: 113, 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: 75, positive: 75, positive conditional: 63, positive unconditional: 12, 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: 75, positive: 75, positive conditional: 63, positive unconditional: 12, 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: 75, positive: 75, positive conditional: 0, positive unconditional: 75, 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: 113, positive: 38, positive conditional: 38, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2457, Positive cache size: 2333, Positive conditional cache size: 2333, Positive unconditional cache size: 0, Negative cache size: 124, Negative conditional cache size: 124, 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; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff0_thd3; [L726] 0 _Bool x$r_buff1_thd0; [L727] 0 _Bool x$r_buff1_thd1; [L728] 0 _Bool x$r_buff1_thd2; [L729] 0 _Bool x$r_buff1_thd3; [L730] 0 _Bool x$read_delayed; [L731] 0 int *x$read_delayed_var; [L732] 0 int x$w_buff0; [L733] 0 _Bool x$w_buff0_used; [L734] 0 int x$w_buff1; [L735] 0 _Bool x$w_buff1_used; [L737] 0 int y = 0; [L739] 0 int z = 0; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L825] 0 pthread_t t515; [L826] FCALL, FORK 0 pthread_create(&t515, ((void *)0), P0, ((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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L827] 0 pthread_t t516; [L828] FCALL, FORK 0 pthread_create(&t516, ((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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L765] 2 x$w_buff1 = x$w_buff0 [L766] 2 x$w_buff0 = 2 [L767] 2 x$w_buff1_used = x$w_buff0_used [L768] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L770] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L771] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L772] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L773] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L774] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L829] 0 pthread_t t517; [L830] FCALL, FORK 0 pthread_create(&t517, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L777] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L794] 3 y = 1 [L797] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L800] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __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=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L745] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __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$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L748] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __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$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L780] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L780] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L781] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L781] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L782] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L782] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L783] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L783] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L784] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L784] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L751] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L751] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L751] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L752] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L753] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L754] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L755] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L803] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L803] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L803] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L804] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L804] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L805] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L805] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L806] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L806] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L807] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L807] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L760] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __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$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L832] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L836] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L836] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L837] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L837] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L838] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L838] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L839] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L839] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L840] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L840] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L843] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L844] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L845] 0 x$flush_delayed = weak$$choice2 [L846] 0 x$mem_tmp = x [L847] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L847] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L848] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L848] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L848] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L848] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L849] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L849] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L849] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L849] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L850] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L850] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L850] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L850] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L851] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L851] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L851] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L852] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L852] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L852] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L852] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L853] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L853] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L853] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L854] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L855] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L855] 0 x = x$flush_delayed ? x$mem_tmp : x [L856] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 99 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 101826.7ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5514.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 89776.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 74 SDtfs, 46 SDslu, 19 SDs, 0 SdLazy, 526 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1340.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1438.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=822occurred in iteration=13, InterpolantAutomatonStates: 77, 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: 67.7ms SsaConstructionTime, 610.7ms SatisfiabilityAnalysisTime, 2114.4ms InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 196 ConstructedInterpolants, 0 QuantifiedInterpolants, 1713 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...