/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/ldv-races/race-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 01:09:10,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 01:09:10,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 01:09:10,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-26 01:09:10,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-26 01:09:10,085 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-26 01:09:10,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-26 01:09:10,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-26 01:09:10,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-26 01:09:10,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-26 01:09:10,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-26 01:09:10,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-26 01:09:10,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 01:09:10,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 01:09:10,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 01:09:10,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 01:09:10,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 01:09:10,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 01:09:10,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 01:09:10,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 01:09:10,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 01:09:10,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 01:09:10,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 01:09:10,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 01:09:10,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 01:09:10,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-26 01:09:10,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-26 01:09:10,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-26 01:09:10,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-26 01:09:10,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-26 01:09:10,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-26 01:09:10,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-26 01:09:10,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-26 01:09:10,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 01:09:10,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 01:09:10,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 01:09:10,143 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 [2021-03-26 01:09:10,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 01:09:10,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 01:09:10,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 01:09:10,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 01:09:10,175 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 01:09:10,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 01:09:10,176 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 01:09:10,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 01:09:10,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 01:09:10,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 01:09:10,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 01:09:10,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 01:09:10,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 01:09:10,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 01:09:10,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 01:09:10,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 01:09:10,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 01:09:10,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 01:09:10,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 01:09:10,179 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 01:09:10,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 01:09:10,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 01:09:10,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 01:09:10,507 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 01:09:10,508 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 01:09:10,508 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-26 01:09:10,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e26991f/8e6060a35efe4862827dc6596023474b/FLAG0966081d9 [2021-03-26 01:09:11,083 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 01:09:11,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-26 01:09:11,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e26991f/8e6060a35efe4862827dc6596023474b/FLAG0966081d9 [2021-03-26 01:09:11,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56e26991f/8e6060a35efe4862827dc6596023474b [2021-03-26 01:09:11,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 01:09:11,351 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 01:09:11,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 01:09:11,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 01:09:11,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 01:09:11,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 01:09:11" (1/1) ... [2021-03-26 01:09:11,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f3bf6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:11, skipping insertion in model container [2021-03-26 01:09:11,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 01:09:11" (1/1) ... [2021-03-26 01:09:11,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 01:09:11,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 01:09:12,054 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-26 01:09:12,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 01:09:12,085 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 01:09:12,121 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2021-03-26 01:09:12,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 01:09:12,317 INFO L208 MainTranslator]: Completed translation [2021-03-26 01:09:12,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12 WrapperNode [2021-03-26 01:09:12,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 01:09:12,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 01:09:12,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 01:09:12,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 01:09:12,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 01:09:12,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 01:09:12,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 01:09:12,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 01:09:12,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,411 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (1/1) ... [2021-03-26 01:09:12,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 01:09:12,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 01:09:12,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 01:09:12,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 01:09:12,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (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 [2021-03-26 01:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 01:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-26 01:09:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-26 01:09:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-26 01:09:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 01:09:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 01:09:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-26 01:09:12,497 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-26 01:09:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 01:09:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 01:09:12,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 01:09:12,499 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 01:09:13,044 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 01:09:13,044 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-26 01:09:13,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:09:13 BoogieIcfgContainer [2021-03-26 01:09:13,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 01:09:13,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 01:09:13,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 01:09:13,048 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 01:09:13,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 01:09:11" (1/3) ... [2021-03-26 01:09:13,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a02cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:09:13, skipping insertion in model container [2021-03-26 01:09:13,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 01:09:12" (2/3) ... [2021-03-26 01:09:13,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a02cea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 01:09:13, skipping insertion in model container [2021-03-26 01:09:13,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 01:09:13" (3/3) ... [2021-03-26 01:09:13,049 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-26 01:09:13,053 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 01:09:13,055 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-26 01:09:13,056 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 01:09:13,075 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,076 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,077 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,078 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,079 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,080 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,081 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,082 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,083 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,084 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,085 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,086 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,087 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,088 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,089 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,090 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,091 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,091 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,091 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,091 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,094 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,095 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,095 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,095 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 01:09:13,100 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-26 01:09:13,112 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-26 01:09:13,149 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 01:09:13,149 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 01:09:13,149 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 01:09:13,149 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 01:09:13,149 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 01:09:13,149 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 01:09:13,149 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 01:09:13,149 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 01:09:13,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-26 01:09:13,270 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-26 01:09:13,271 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:09:13,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 11/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 407 event pairs, 0 based on Foata normal form. 0/184 useless extension candidates. Maximal degree in co-relation 115. Up to 4 conditions per place. [2021-03-26 01:09:13,274 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-03-26 01:09:13,297 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-03-26 01:09:13,298 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:09:13,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-26 01:09:13,311 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-26 01:09:13,316 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 322 flow [2021-03-26 01:09:13,359 INFO L129 PetriNetUnfolder]: 8/185 cut-off events. [2021-03-26 01:09:13,359 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:09:13,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 185 events. 8/185 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 343 event pairs, 0 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 105. Up to 4 conditions per place. [2021-03-26 01:09:13,363 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-26 01:09:28,345 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 01:09:33,184 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-26 01:09:37,372 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-03-26 01:09:55,148 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-03-26 01:10:03,031 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-03-26 01:10:14,644 INFO L154 LiptonReduction]: Checked pairs total: 3162 [2021-03-26 01:10:14,645 INFO L156 LiptonReduction]: Total number of compositions: 115 [2021-03-26 01:10:14,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61352 [2021-03-26 01:10:14,661 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-26 01:10:14,661 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:10:14,661 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:14,662 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:14,662 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:14,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash -399348905, now seen corresponding path program 1 times [2021-03-26 01:10:14,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:14,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521521808] [2021-03-26 01:10:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:15,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:15,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:15,027 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:15,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:10:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:10:15,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521521808] [2021-03-26 01:10:15,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:15,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:10:15,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247591169] [2021-03-26 01:10:15,039 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:10:15,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:15,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:10:15,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:10:15,064 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 279 [2021-03-26 01:10:15,082 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 65 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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) [2021-03-26 01:10:15,082 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:15,083 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 279 [2021-03-26 01:10:15,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:15,098 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-03-26 01:10:15,098 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-26 01:10:15,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 86 conditions, 70 events. 2/70 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 139 event pairs, 0 based on Foata normal form. 4/64 useless extension candidates. Maximal degree in co-relation 69. Up to 3 conditions per place. [2021-03-26 01:10:15,099 INFO L132 encePairwiseOnDemand]: 272/279 looper letters, 2 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2021-03-26 01:10:15,099 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 58 transitions, 142 flow [2021-03-26 01:10:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:10:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:10:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-03-26 01:10:15,110 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2021-03-26 01:10:15,110 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-03-26 01:10:15,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-03-26 01:10:15,112 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:15,113 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-03-26 01:10:15,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 243.0) internal successors, (729), 3 states have internal predecessors, (729), 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) [2021-03-26 01:10:15,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-03-26 01:10:15,123 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 279.0) internal successors, (1116), 4 states have internal predecessors, (1116), 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) [2021-03-26 01:10:15,125 INFO L185 Difference]: Start difference. First operand has 64 places, 65 transitions, 148 flow. Second operand 3 states and 729 transitions. [2021-03-26 01:10:15,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 58 transitions, 142 flow [2021-03-26 01:10:15,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 01:10:15,128 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 122 flow [2021-03-26 01:10:15,129 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=279, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=122, PETRI_PLACES=59, PETRI_TRANSITIONS=56} [2021-03-26 01:10:15,130 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2021-03-26 01:10:15,130 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:15,130 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-26 01:10:15,130 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-26 01:10:15,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 122 flow [2021-03-26 01:10:15,136 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2021-03-26 01:10:15,136 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:10:15,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 133 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 61. Up to 3 conditions per place. [2021-03-26 01:10:15,137 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-26 01:10:21,784 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-03-26 01:10:24,192 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-03-26 01:10:40,681 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-03-26 01:10:48,641 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-26 01:10:48,893 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-26 01:10:49,590 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-26 01:10:49,851 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-26 01:10:50,365 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-26 01:10:50,610 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-26 01:10:51,423 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-26 01:10:51,773 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-03-26 01:10:52,667 WARN L205 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-26 01:10:53,037 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-03-26 01:10:54,966 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-26 01:10:56,143 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 157 [2021-03-26 01:10:58,293 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-26 01:10:59,077 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2021-03-26 01:10:59,104 INFO L154 LiptonReduction]: Checked pairs total: 1956 [2021-03-26 01:10:59,104 INFO L156 LiptonReduction]: Total number of compositions: 30 [2021-03-26 01:10:59,104 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 43974 [2021-03-26 01:10:59,107 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 80 flow [2021-03-26 01:10:59,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 241.0) internal successors, (723), 3 states have internal predecessors, (723), 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) [2021-03-26 01:10:59,107 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:10:59,108 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:10:59,108 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 01:10:59,108 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:10:59,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:10:59,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1522193569, now seen corresponding path program 1 times [2021-03-26 01:10:59,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:10:59,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059294102] [2021-03-26 01:10:59,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:10:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:10:59,227 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:10:59,228 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,228 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:10:59,231 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:10:59,232 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:10:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:10:59,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059294102] [2021-03-26 01:10:59,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:10:59,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 01:10:59,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932289916] [2021-03-26 01:10:59,236 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 01:10:59,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:10:59,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 01:10:59,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 01:10:59,238 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 309 [2021-03-26 01:10:59,239 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 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) [2021-03-26 01:10:59,239 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:10:59,239 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 309 [2021-03-26 01:10:59,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:10:59,378 INFO L129 PetriNetUnfolder]: 170/357 cut-off events. [2021-03-26 01:10:59,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:10:59,381 INFO L84 FinitePrefix]: Finished finitePrefix Result has 676 conditions, 357 events. 170/357 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1704 event pairs, 117 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 655. Up to 224 conditions per place. [2021-03-26 01:10:59,385 INFO L132 encePairwiseOnDemand]: 298/309 looper letters, 21 selfloop transitions, 10 changer transitions 1/43 dead transitions. [2021-03-26 01:10:59,385 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 160 flow [2021-03-26 01:10:59,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 01:10:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 01:10:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 681 transitions. [2021-03-26 01:10:59,393 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5509708737864077 [2021-03-26 01:10:59,393 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 681 transitions. [2021-03-26 01:10:59,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 681 transitions. [2021-03-26 01:10:59,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:10:59,394 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 681 transitions. [2021-03-26 01:10:59,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 170.25) internal successors, (681), 4 states have internal predecessors, (681), 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) [2021-03-26 01:10:59,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 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) [2021-03-26 01:10:59,399 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 309.0) internal successors, (1545), 5 states have internal predecessors, (1545), 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) [2021-03-26 01:10:59,399 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 80 flow. Second operand 4 states and 681 transitions. [2021-03-26 01:10:59,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 160 flow [2021-03-26 01:10:59,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 156 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 01:10:59,402 INFO L241 Difference]: Finished difference. Result has 36 places, 36 transitions, 109 flow [2021-03-26 01:10:59,402 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=309, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=36, PETRI_TRANSITIONS=36} [2021-03-26 01:10:59,403 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-26 01:10:59,403 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:10:59,403 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-26 01:10:59,404 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-26 01:10:59,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 36 transitions, 109 flow [2021-03-26 01:10:59,414 INFO L129 PetriNetUnfolder]: 4/60 cut-off events. [2021-03-26 01:10:59,414 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:10:59,416 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 60 events. 4/60 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 171 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 28. Up to 9 conditions per place. [2021-03-26 01:10:59,417 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-26 01:11:19,997 INFO L154 LiptonReduction]: Checked pairs total: 1048 [2021-03-26 01:11:19,997 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 01:11:19,998 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20595 [2021-03-26 01:11:19,999 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 105 flow [2021-03-26 01:11:20,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 163.75) internal successors, (655), 4 states have internal predecessors, (655), 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) [2021-03-26 01:11:20,007 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:20,015 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-26 01:11:20,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 01:11:20,016 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:20,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash 16956485, now seen corresponding path program 1 times [2021-03-26 01:11:20,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:20,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893030101] [2021-03-26 01:11:20,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:20,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:20,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:20,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:11:20,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:20,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:11:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:20,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893030101] [2021-03-26 01:11:20,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:20,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:11:20,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306699477] [2021-03-26 01:11:20,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:11:20,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:20,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:11:20,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:11:20,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-26 01:11:20,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 34 transitions, 105 flow. Second operand has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2021-03-26 01:11:20,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:20,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-26 01:11:20,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:20,224 INFO L129 PetriNetUnfolder]: 241/490 cut-off events. [2021-03-26 01:11:20,224 INFO L130 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2021-03-26 01:11:20,225 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1053 conditions, 490 events. 241/490 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 2506 event pairs, 94 based on Foata normal form. 17/499 useless extension candidates. Maximal degree in co-relation 707. Up to 339 conditions per place. [2021-03-26 01:11:20,227 INFO L132 encePairwiseOnDemand]: 305/312 looper letters, 25 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2021-03-26 01:11:20,227 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 191 flow [2021-03-26 01:11:20,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:11:20,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:11:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-03-26 01:11:20,229 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2021-03-26 01:11:20,229 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-03-26 01:11:20,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-03-26 01:11:20,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:20,229 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-03-26 01:11:20,230 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 196.0) internal successors, (588), 3 states have internal predecessors, (588), 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) [2021-03-26 01:11:20,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 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) [2021-03-26 01:11:20,233 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 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) [2021-03-26 01:11:20,233 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 105 flow. Second operand 3 states and 588 transitions. [2021-03-26 01:11:20,233 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 191 flow [2021-03-26 01:11:20,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 174 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 01:11:20,238 INFO L241 Difference]: Finished difference. Result has 35 places, 38 transitions, 131 flow [2021-03-26 01:11:20,238 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2021-03-26 01:11:20,238 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-26 01:11:20,238 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:20,239 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-26 01:11:20,239 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-26 01:11:20,240 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 38 transitions, 131 flow [2021-03-26 01:11:20,247 INFO L129 PetriNetUnfolder]: 31/140 cut-off events. [2021-03-26 01:11:20,247 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-26 01:11:20,248 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 140 events. 31/140 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 700 event pairs, 16 based on Foata normal form. 0/138 useless extension candidates. Maximal degree in co-relation 74. Up to 54 conditions per place. [2021-03-26 01:11:20,248 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-26 01:11:26,852 INFO L154 LiptonReduction]: Checked pairs total: 277 [2021-03-26 01:11:26,853 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:26,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6615 [2021-03-26 01:11:26,854 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-26 01:11:26,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.33333333333334) internal successors, (562), 3 states have internal predecessors, (562), 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) [2021-03-26 01:11:26,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:26,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-26 01:11:26,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 01:11:26,854 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:26,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:26,855 INFO L82 PathProgramCache]: Analyzing trace with hash 525646286, now seen corresponding path program 1 times [2021-03-26 01:11:26,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:26,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670119708] [2021-03-26 01:11:26,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:26,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:26,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:26,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:26,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 01:11:26,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:26,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670119708] [2021-03-26 01:11:26,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:26,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 01:11:26,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080960812] [2021-03-26 01:11:26,960 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:11:26,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:26,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:11:26,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:11:26,961 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-26 01:11:26,962 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-03-26 01:11:26,962 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:26,962 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-26 01:11:26,962 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:27,097 INFO L129 PetriNetUnfolder]: 268/540 cut-off events. [2021-03-26 01:11:27,097 INFO L130 PetriNetUnfolder]: For 258/266 co-relation queries the response was YES. [2021-03-26 01:11:27,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1408 conditions, 540 events. 268/540 cut-off events. For 258/266 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 2867 event pairs, 106 based on Foata normal form. 32/565 useless extension candidates. Maximal degree in co-relation 295. Up to 376 conditions per place. [2021-03-26 01:11:27,100 INFO L132 encePairwiseOnDemand]: 306/312 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-26 01:11:27,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-26 01:11:27,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:11:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:11:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2021-03-26 01:11:27,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6271367521367521 [2021-03-26 01:11:27,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2021-03-26 01:11:27,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2021-03-26 01:11:27,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:27,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2021-03-26 01:11:27,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 195.66666666666666) internal successors, (587), 3 states have internal predecessors, (587), 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) [2021-03-26 01:11:27,153 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 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) [2021-03-26 01:11:27,154 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 312.0) internal successors, (1248), 4 states have internal predecessors, (1248), 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) [2021-03-26 01:11:27,154 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 587 transitions. [2021-03-26 01:11:27,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-26 01:11:27,156 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-26 01:11:27,157 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-26 01:11:27,157 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=312, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=37, PETRI_TRANSITIONS=43} [2021-03-26 01:11:27,157 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -27 predicate places. [2021-03-26 01:11:27,157 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:27,158 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 01:11:27,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-26 01:11:27,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-26 01:11:27,170 INFO L129 PetriNetUnfolder]: 74/216 cut-off events. [2021-03-26 01:11:27,170 INFO L130 PetriNetUnfolder]: For 128/132 co-relation queries the response was YES. [2021-03-26 01:11:27,170 INFO L84 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 216 events. 74/216 cut-off events. For 128/132 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1113 event pairs, 21 based on Foata normal form. 0/213 useless extension candidates. Maximal degree in co-relation 261. Up to 114 conditions per place. [2021-03-26 01:11:27,171 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-26 01:11:33,943 INFO L154 LiptonReduction]: Checked pairs total: 786 [2021-03-26 01:11:33,943 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:11:33,943 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6786 [2021-03-26 01:11:33,944 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-26 01:11:33,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 187.66666666666666) internal successors, (563), 3 states have internal predecessors, (563), 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) [2021-03-26 01:11:33,944 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:33,944 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:33,944 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 01:11:33,944 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:33,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:33,945 INFO L82 PathProgramCache]: Analyzing trace with hash 209800846, now seen corresponding path program 1 times [2021-03-26 01:11:33,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:33,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352950565] [2021-03-26 01:11:33,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:33,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:33,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:33,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 01:11:33,985 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:33,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:33,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:33,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352950565] [2021-03-26 01:11:33,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:33,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 01:11:33,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848071268] [2021-03-26 01:11:33,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 01:11:33,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:33,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 01:11:33,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 01:11:33,987 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 314 [2021-03-26 01:11:33,988 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 42 transitions, 185 flow. Second operand has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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) [2021-03-26 01:11:33,988 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:33,988 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 314 [2021-03-26 01:11:33,988 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:34,006 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 01:11:34,006 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-26 01:11:34,006 INFO L84 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 48 events. 6/48 cut-off events. For 38/47 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs, 4 based on Foata normal form. 16/62 useless extension candidates. Maximal degree in co-relation 85. Up to 14 conditions per place. [2021-03-26 01:11:34,006 INFO L132 encePairwiseOnDemand]: 312/314 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-26 01:11:34,006 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-26 01:11:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 01:11:34,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 01:11:34,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-26 01:11:34,008 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.821656050955414 [2021-03-26 01:11:34,008 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-26 01:11:34,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-26 01:11:34,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:34,008 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-26 01:11:34,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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) [2021-03-26 01:11:34,017 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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) [2021-03-26 01:11:34,017 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 314.0) internal successors, (1256), 4 states have internal predecessors, (1256), 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) [2021-03-26 01:11:34,017 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-26 01:11:34,018 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-26 01:11:34,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-26 01:11:34,021 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-26 01:11:34,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=30, PETRI_TRANSITIONS=25} [2021-03-26 01:11:34,021 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -34 predicate places. [2021-03-26 01:11:34,021 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:34,021 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 01:11:34,021 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-26 01:11:34,022 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-26 01:11:34,027 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-26 01:11:34,027 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-26 01:11:34,027 INFO L84 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 48 events. 6/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 122 event pairs, 4 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 53. Up to 14 conditions per place. [2021-03-26 01:11:34,027 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-26 01:11:34,039 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-26 01:11:34,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:34,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-26 01:11:34,040 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-26 01:11:34,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 258.0) internal successors, (774), 3 states have internal predecessors, (774), 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) [2021-03-26 01:11:34,041 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:34,041 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] [2021-03-26 01:11:34,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 01:11:34,041 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:34,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:34,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1186329291, now seen corresponding path program 1 times [2021-03-26 01:11:34,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:34,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543076617] [2021-03-26 01:11:34,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:34,182 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:34,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:34,191 INFO L142 QuantifierPusher]: treesize reduction 11, result has 59.3 percent of original size [2021-03-26 01:11:34,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 01:11:34,201 INFO L142 QuantifierPusher]: treesize reduction 16, result has 57.9 percent of original size [2021-03-26 01:11:34,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:11:34,217 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-26 01:11:34,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:34,233 INFO L142 QuantifierPusher]: treesize reduction 16, result has 70.4 percent of original size [2021-03-26 01:11:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:11:34,241 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.0 percent of original size [2021-03-26 01:11:34,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:34,243 INFO L142 QuantifierPusher]: treesize reduction 24, result has 65.7 percent of original size [2021-03-26 01:11:34,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-26 01:11:34,282 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-26 01:11:34,283 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:11:34,327 INFO L142 QuantifierPusher]: treesize reduction 24, result has 73.0 percent of original size [2021-03-26 01:11:34,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-26 01:11:34,342 INFO L142 QuantifierPusher]: treesize reduction 24, result has 68.0 percent of original size [2021-03-26 01:11:34,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-26 01:11:34,343 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 01:11:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:34,363 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.9 percent of original size [2021-03-26 01:11:34,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-26 01:11:34,365 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:34,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:34,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543076617] [2021-03-26 01:11:34,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:34,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 01:11:34,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330643497] [2021-03-26 01:11:34,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 01:11:34,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:34,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 01:11:34,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-26 01:11:34,368 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 314 [2021-03-26 01:11:34,369 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 76 flow. Second operand has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 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) [2021-03-26 01:11:34,369 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:34,369 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 314 [2021-03-26 01:11:34,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:34,954 INFO L129 PetriNetUnfolder]: 253/596 cut-off events. [2021-03-26 01:11:34,954 INFO L130 PetriNetUnfolder]: For 174/174 co-relation queries the response was YES. [2021-03-26 01:11:34,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1391 conditions, 596 events. 253/596 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3324 event pairs, 35 based on Foata normal form. 0/593 useless extension candidates. Maximal degree in co-relation 573. Up to 156 conditions per place. [2021-03-26 01:11:34,957 INFO L132 encePairwiseOnDemand]: 304/314 looper letters, 69 selfloop transitions, 23 changer transitions 0/96 dead transitions. [2021-03-26 01:11:34,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 96 transitions, 462 flow [2021-03-26 01:11:34,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:11:34,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:11:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1543 transitions. [2021-03-26 01:11:34,960 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4914012738853503 [2021-03-26 01:11:34,960 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1543 transitions. [2021-03-26 01:11:34,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1543 transitions. [2021-03-26 01:11:34,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:34,961 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1543 transitions. [2021-03-26 01:11:34,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 154.3) internal successors, (1543), 10 states have internal predecessors, (1543), 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) [2021-03-26 01:11:34,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 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) [2021-03-26 01:11:34,967 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 314.0) internal successors, (3454), 11 states have internal predecessors, (3454), 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) [2021-03-26 01:11:34,967 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 10 states and 1543 transitions. [2021-03-26 01:11:34,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 96 transitions, 462 flow [2021-03-26 01:11:34,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 96 transitions, 461 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 01:11:34,970 INFO L241 Difference]: Finished difference. Result has 42 places, 44 transitions, 215 flow [2021-03-26 01:11:34,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=215, PETRI_PLACES=42, PETRI_TRANSITIONS=44} [2021-03-26 01:11:34,970 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -22 predicate places. [2021-03-26 01:11:34,970 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:34,970 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-26 01:11:34,970 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 44 transitions, 215 flow [2021-03-26 01:11:34,971 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 44 transitions, 215 flow [2021-03-26 01:11:34,980 INFO L129 PetriNetUnfolder]: 32/184 cut-off events. [2021-03-26 01:11:34,980 INFO L130 PetriNetUnfolder]: For 124/129 co-relation queries the response was YES. [2021-03-26 01:11:34,981 INFO L84 FinitePrefix]: Finished finitePrefix Result has 383 conditions, 184 events. 32/184 cut-off events. For 124/129 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1070 event pairs, 13 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 159. Up to 52 conditions per place. [2021-03-26 01:11:34,981 INFO L142 LiptonReduction]: Number of co-enabled transitions 214 [2021-03-26 01:11:37,199 INFO L154 LiptonReduction]: Checked pairs total: 73 [2021-03-26 01:11:37,199 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:37,199 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2229 [2021-03-26 01:11:37,200 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 44 transitions, 215 flow [2021-03-26 01:11:37,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 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) [2021-03-26 01:11:37,201 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:37,201 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] [2021-03-26 01:11:37,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 01:11:37,201 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:37,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:37,201 INFO L82 PathProgramCache]: Analyzing trace with hash 494028282, now seen corresponding path program 1 times [2021-03-26 01:11:37,201 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:37,201 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632857303] [2021-03-26 01:11:37,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:37,389 INFO L142 QuantifierPusher]: treesize reduction 11, result has 75.6 percent of original size [2021-03-26 01:11:37,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:37,400 INFO L142 QuantifierPusher]: treesize reduction 11, result has 70.3 percent of original size [2021-03-26 01:11:37,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:11:37,410 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-26 01:11:37,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:37,429 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 01:11:37,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:37,437 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 01:11:37,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:11:37,454 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.3 percent of original size [2021-03-26 01:11:37,455 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:37,476 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 01:11:37,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:37,497 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 01:11:37,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:37,528 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-26 01:11:37,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:37,529 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 01:11:37,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:37,549 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:11:37,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:37,561 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-26 01:11:37,562 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 01:11:37,591 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 01:11:37,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:37,610 INFO L142 QuantifierPusher]: treesize reduction 9, result has 65.4 percent of original size [2021-03-26 01:11:37,610 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:37,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632857303] [2021-03-26 01:11:37,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:37,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-26 01:11:37,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538398868] [2021-03-26 01:11:37,628 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-26 01:11:37,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:37,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-26 01:11:37,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-26 01:11:37,629 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 314 [2021-03-26 01:11:37,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 44 transitions, 215 flow. Second operand has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 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) [2021-03-26 01:11:37,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:37,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 314 [2021-03-26 01:11:37,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:38,460 INFO L129 PetriNetUnfolder]: 360/876 cut-off events. [2021-03-26 01:11:38,461 INFO L130 PetriNetUnfolder]: For 884/884 co-relation queries the response was YES. [2021-03-26 01:11:38,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2445 conditions, 876 events. 360/876 cut-off events. For 884/884 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5538 event pairs, 81 based on Foata normal form. 1/865 useless extension candidates. Maximal degree in co-relation 853. Up to 484 conditions per place. [2021-03-26 01:11:38,465 INFO L132 encePairwiseOnDemand]: 302/314 looper letters, 77 selfloop transitions, 29 changer transitions 14/124 dead transitions. [2021-03-26 01:11:38,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 124 transitions, 814 flow [2021-03-26 01:11:38,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-26 01:11:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-26 01:11:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1653 transitions. [2021-03-26 01:11:38,468 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4785755645628257 [2021-03-26 01:11:38,468 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1653 transitions. [2021-03-26 01:11:38,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1653 transitions. [2021-03-26 01:11:38,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:38,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1653 transitions. [2021-03-26 01:11:38,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 150.27272727272728) internal successors, (1653), 11 states have internal predecessors, (1653), 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) [2021-03-26 01:11:38,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 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) [2021-03-26 01:11:38,475 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 314.0) internal successors, (3768), 12 states have internal predecessors, (3768), 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) [2021-03-26 01:11:38,475 INFO L185 Difference]: Start difference. First operand has 42 places, 44 transitions, 215 flow. Second operand 11 states and 1653 transitions. [2021-03-26 01:11:38,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 124 transitions, 814 flow [2021-03-26 01:11:38,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 124 transitions, 803 flow, removed 5 selfloop flow, removed 1 redundant places. [2021-03-26 01:11:38,478 INFO L241 Difference]: Finished difference. Result has 60 places, 71 transitions, 511 flow [2021-03-26 01:11:38,478 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=314, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=511, PETRI_PLACES=60, PETRI_TRANSITIONS=71} [2021-03-26 01:11:38,479 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -4 predicate places. [2021-03-26 01:11:38,479 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:38,479 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-26 01:11:38,479 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 71 transitions, 511 flow [2021-03-26 01:11:38,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 71 transitions, 511 flow [2021-03-26 01:11:38,503 INFO L129 PetriNetUnfolder]: 73/348 cut-off events. [2021-03-26 01:11:38,503 INFO L130 PetriNetUnfolder]: For 679/689 co-relation queries the response was YES. [2021-03-26 01:11:38,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1021 conditions, 348 events. 73/348 cut-off events. For 679/689 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2406 event pairs, 15 based on Foata normal form. 4/331 useless extension candidates. Maximal degree in co-relation 999. Up to 102 conditions per place. [2021-03-26 01:11:38,506 INFO L142 LiptonReduction]: Number of co-enabled transitions 252 [2021-03-26 01:11:38,589 INFO L154 LiptonReduction]: Checked pairs total: 528 [2021-03-26 01:11:38,589 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:11:38,589 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 110 [2021-03-26 01:11:38,589 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 71 transitions, 513 flow [2021-03-26 01:11:38,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 144.3846153846154) internal successors, (1877), 13 states have internal predecessors, (1877), 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) [2021-03-26 01:11:38,590 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:38,590 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] [2021-03-26 01:11:38,590 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 01:11:38,590 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:38,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:38,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1667901421, now seen corresponding path program 1 times [2021-03-26 01:11:38,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:38,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473148966] [2021-03-26 01:11:38,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:38,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:11:38,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 01:11:38,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:11:38,677 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:11:38,686 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,686 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:38,690 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:11:38,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:38,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:38,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473148966] [2021-03-26 01:11:38,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:38,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 01:11:38,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073551329] [2021-03-26 01:11:38,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 01:11:38,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:38,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 01:11:38,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 01:11:38,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 315 [2021-03-26 01:11:38,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 71 transitions, 513 flow. Second operand has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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) [2021-03-26 01:11:38,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:38,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 315 [2021-03-26 01:11:38,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:39,038 INFO L129 PetriNetUnfolder]: 419/1025 cut-off events. [2021-03-26 01:11:39,038 INFO L130 PetriNetUnfolder]: For 3160/3162 co-relation queries the response was YES. [2021-03-26 01:11:39,041 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3990 conditions, 1025 events. 419/1025 cut-off events. For 3160/3162 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 6743 event pairs, 200 based on Foata normal form. 39/1055 useless extension candidates. Maximal degree in co-relation 3966. Up to 596 conditions per place. [2021-03-26 01:11:39,044 INFO L132 encePairwiseOnDemand]: 307/315 looper letters, 98 selfloop transitions, 32 changer transitions 0/132 dead transitions. [2021-03-26 01:11:39,044 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 132 transitions, 1294 flow [2021-03-26 01:11:39,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:11:39,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:11:39,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1319 transitions. [2021-03-26 01:11:39,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5234126984126984 [2021-03-26 01:11:39,047 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1319 transitions. [2021-03-26 01:11:39,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1319 transitions. [2021-03-26 01:11:39,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:39,048 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1319 transitions. [2021-03-26 01:11:39,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.875) internal successors, (1319), 8 states have internal predecessors, (1319), 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) [2021-03-26 01:11:39,053 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 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) [2021-03-26 01:11:39,054 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 315.0) internal successors, (2835), 9 states have internal predecessors, (2835), 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) [2021-03-26 01:11:39,054 INFO L185 Difference]: Start difference. First operand has 57 places, 71 transitions, 513 flow. Second operand 8 states and 1319 transitions. [2021-03-26 01:11:39,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 132 transitions, 1294 flow [2021-03-26 01:11:39,060 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 132 transitions, 1232 flow, removed 31 selfloop flow, removed 3 redundant places. [2021-03-26 01:11:39,062 INFO L241 Difference]: Finished difference. Result has 67 places, 94 transitions, 851 flow [2021-03-26 01:11:39,062 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=851, PETRI_PLACES=67, PETRI_TRANSITIONS=94} [2021-03-26 01:11:39,062 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2021-03-26 01:11:39,063 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:39,063 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 94 transitions, 851 flow [2021-03-26 01:11:39,063 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 94 transitions, 851 flow [2021-03-26 01:11:39,064 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 94 transitions, 851 flow [2021-03-26 01:11:39,092 INFO L129 PetriNetUnfolder]: 111/472 cut-off events. [2021-03-26 01:11:39,092 INFO L130 PetriNetUnfolder]: For 1562/1591 co-relation queries the response was YES. [2021-03-26 01:11:39,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1666 conditions, 472 events. 111/472 cut-off events. For 1562/1591 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3495 event pairs, 16 based on Foata normal form. 7/461 useless extension candidates. Maximal degree in co-relation 1245. Up to 144 conditions per place. [2021-03-26 01:11:39,095 INFO L142 LiptonReduction]: Number of co-enabled transitions 272 [2021-03-26 01:11:39,134 INFO L154 LiptonReduction]: Checked pairs total: 548 [2021-03-26 01:11:39,134 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:39,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-03-26 01:11:39,135 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 94 transitions, 851 flow [2021-03-26 01:11:39,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.0) internal successors, (960), 6 states have internal predecessors, (960), 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) [2021-03-26 01:11:39,135 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:39,135 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:39,135 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 01:11:39,135 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:39,136 INFO L82 PathProgramCache]: Analyzing trace with hash 950453649, now seen corresponding path program 1 times [2021-03-26 01:11:39,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:39,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850284702] [2021-03-26 01:11:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:39,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:39,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 01:11:39,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:39,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:11:39,217 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-26 01:11:39,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:11:39,219 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-26 01:11:39,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:11:39,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:39,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:39,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850284702] [2021-03-26 01:11:39,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:39,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 01:11:39,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724547773] [2021-03-26 01:11:39,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 01:11:39,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:39,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 01:11:39,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 01:11:39,222 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 315 [2021-03-26 01:11:39,223 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 94 transitions, 851 flow. Second operand has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 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) [2021-03-26 01:11:39,223 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:39,223 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 315 [2021-03-26 01:11:39,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:39,315 INFO L129 PetriNetUnfolder]: 122/516 cut-off events. [2021-03-26 01:11:39,315 INFO L130 PetriNetUnfolder]: For 1716/1723 co-relation queries the response was YES. [2021-03-26 01:11:39,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1875 conditions, 516 events. 122/516 cut-off events. For 1716/1723 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3799 event pairs, 14 based on Foata normal form. 24/523 useless extension candidates. Maximal degree in co-relation 1548. Up to 141 conditions per place. [2021-03-26 01:11:39,318 INFO L132 encePairwiseOnDemand]: 310/315 looper letters, 23 selfloop transitions, 10 changer transitions 0/84 dead transitions. [2021-03-26 01:11:39,318 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 771 flow [2021-03-26 01:11:39,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 01:11:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 01:11:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2021-03-26 01:11:39,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7841269841269841 [2021-03-26 01:11:39,321 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2021-03-26 01:11:39,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2021-03-26 01:11:39,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:39,321 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2021-03-26 01:11:39,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 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) [2021-03-26 01:11:39,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 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) [2021-03-26 01:11:39,324 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 315.0) internal successors, (1575), 5 states have internal predecessors, (1575), 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) [2021-03-26 01:11:39,324 INFO L185 Difference]: Start difference. First operand has 67 places, 94 transitions, 851 flow. Second operand 4 states and 988 transitions. [2021-03-26 01:11:39,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 771 flow [2021-03-26 01:11:39,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 84 transitions, 707 flow, removed 27 selfloop flow, removed 2 redundant places. [2021-03-26 01:11:39,330 INFO L241 Difference]: Finished difference. Result has 69 places, 79 transitions, 639 flow [2021-03-26 01:11:39,331 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=596, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=639, PETRI_PLACES=69, PETRI_TRANSITIONS=79} [2021-03-26 01:11:39,331 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2021-03-26 01:11:39,331 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:39,331 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 79 transitions, 639 flow [2021-03-26 01:11:39,331 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 79 transitions, 639 flow [2021-03-26 01:11:39,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 79 transitions, 639 flow [2021-03-26 01:11:39,359 INFO L129 PetriNetUnfolder]: 105/475 cut-off events. [2021-03-26 01:11:39,359 INFO L130 PetriNetUnfolder]: For 1238/1241 co-relation queries the response was YES. [2021-03-26 01:11:39,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1623 conditions, 475 events. 105/475 cut-off events. For 1238/1241 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3497 event pairs, 11 based on Foata normal form. 1/465 useless extension candidates. Maximal degree in co-relation 1083. Up to 124 conditions per place. [2021-03-26 01:11:39,362 INFO L142 LiptonReduction]: Number of co-enabled transitions 222 [2021-03-26 01:11:39,971 INFO L154 LiptonReduction]: Checked pairs total: 418 [2021-03-26 01:11:39,971 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 01:11:39,971 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 640 [2021-03-26 01:11:39,972 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 79 transitions, 662 flow [2021-03-26 01:11:39,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.0) internal successors, (980), 4 states have internal predecessors, (980), 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) [2021-03-26 01:11:39,972 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:39,972 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:39,972 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 01:11:39,973 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:39,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:39,973 INFO L82 PathProgramCache]: Analyzing trace with hash 679126503, now seen corresponding path program 2 times [2021-03-26 01:11:39,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:39,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436570020] [2021-03-26 01:11:39,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:40,070 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-26 01:11:40,071 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-26 01:11:40,091 INFO L142 QuantifierPusher]: treesize reduction 48, result has 48.4 percent of original size [2021-03-26 01:11:40,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:11:40,128 INFO L142 QuantifierPusher]: treesize reduction 40, result has 51.2 percent of original size [2021-03-26 01:11:40,129 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:40,165 INFO L142 QuantifierPusher]: treesize reduction 40, result has 50.6 percent of original size [2021-03-26 01:11:40,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:11:40,197 INFO L142 QuantifierPusher]: treesize reduction 40, result has 47.4 percent of original size [2021-03-26 01:11:40,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 01:11:40,205 INFO L142 QuantifierPusher]: treesize reduction 38, result has 54.2 percent of original size [2021-03-26 01:11:40,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:11:40,239 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-26 01:11:40,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:40,257 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 01:11:40,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:40,276 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:11:40,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:40,289 INFO L142 QuantifierPusher]: treesize reduction 41, result has 40.6 percent of original size [2021-03-26 01:11:40,290 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 01:11:40,312 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 01:11:40,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:40,327 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:11:40,328 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:40,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436570020] [2021-03-26 01:11:40,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:40,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:40,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948018283] [2021-03-26 01:11:40,342 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:40,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:40,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:40,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:40,345 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 318 [2021-03-26 01:11:40,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 79 transitions, 662 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:40,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:40,346 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 318 [2021-03-26 01:11:40,346 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:41,122 INFO L129 PetriNetUnfolder]: 351/878 cut-off events. [2021-03-26 01:11:41,122 INFO L130 PetriNetUnfolder]: For 3152/3158 co-relation queries the response was YES. [2021-03-26 01:11:41,124 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3756 conditions, 878 events. 351/878 cut-off events. For 3152/3158 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5647 event pairs, 148 based on Foata normal form. 1/863 useless extension candidates. Maximal degree in co-relation 2539. Up to 681 conditions per place. [2021-03-26 01:11:41,127 INFO L132 encePairwiseOnDemand]: 306/318 looper letters, 74 selfloop transitions, 24 changer transitions 22/124 dead transitions. [2021-03-26 01:11:41,127 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 124 transitions, 1235 flow [2021-03-26 01:11:41,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:11:41,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:11:41,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1358 transitions. [2021-03-26 01:11:41,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4744933612858141 [2021-03-26 01:11:41,131 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1358 transitions. [2021-03-26 01:11:41,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1358 transitions. [2021-03-26 01:11:41,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:41,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1358 transitions. [2021-03-26 01:11:41,133 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 150.88888888888889) internal successors, (1358), 9 states have internal predecessors, (1358), 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) [2021-03-26 01:11:41,136 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 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) [2021-03-26 01:11:41,137 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 318.0) internal successors, (3180), 10 states have internal predecessors, (3180), 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) [2021-03-26 01:11:41,137 INFO L185 Difference]: Start difference. First operand has 69 places, 79 transitions, 662 flow. Second operand 9 states and 1358 transitions. [2021-03-26 01:11:41,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 124 transitions, 1235 flow [2021-03-26 01:11:41,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 124 transitions, 1215 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-26 01:11:41,146 INFO L241 Difference]: Finished difference. Result has 80 places, 83 transitions, 779 flow [2021-03-26 01:11:41,146 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=640, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=779, PETRI_PLACES=80, PETRI_TRANSITIONS=83} [2021-03-26 01:11:41,147 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 16 predicate places. [2021-03-26 01:11:41,147 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:41,147 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 83 transitions, 779 flow [2021-03-26 01:11:41,147 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 83 transitions, 779 flow [2021-03-26 01:11:41,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 83 transitions, 779 flow [2021-03-26 01:11:41,175 INFO L129 PetriNetUnfolder]: 97/444 cut-off events. [2021-03-26 01:11:41,175 INFO L130 PetriNetUnfolder]: For 1476/1482 co-relation queries the response was YES. [2021-03-26 01:11:41,177 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 444 events. 97/444 cut-off events. For 1476/1482 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3288 event pairs, 14 based on Foata normal form. 2/434 useless extension candidates. Maximal degree in co-relation 1524. Up to 122 conditions per place. [2021-03-26 01:11:41,179 INFO L142 LiptonReduction]: Number of co-enabled transitions 210 [2021-03-26 01:11:41,203 INFO L154 LiptonReduction]: Checked pairs total: 192 [2021-03-26 01:11:41,203 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:41,203 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56 [2021-03-26 01:11:41,203 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 83 transitions, 779 flow [2021-03-26 01:11:41,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:41,204 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:41,204 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:41,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 01:11:41,204 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2074259269, now seen corresponding path program 3 times [2021-03-26 01:11:41,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:41,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748417055] [2021-03-26 01:11:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:41,298 INFO L142 QuantifierPusher]: treesize reduction 12, result has 83.6 percent of original size [2021-03-26 01:11:41,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:11:41,324 INFO L142 QuantifierPusher]: treesize reduction 12, result has 81.5 percent of original size [2021-03-26 01:11:41,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 01:11:41,351 INFO L142 QuantifierPusher]: treesize reduction 20, result has 66.1 percent of original size [2021-03-26 01:11:41,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:41,368 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 01:11:41,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:41,374 INFO L142 QuantifierPusher]: treesize reduction 20, result has 68.3 percent of original size [2021-03-26 01:11:41,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:41,393 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 01:11:41,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:41,412 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-26 01:11:41,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:41,430 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.2 percent of original size [2021-03-26 01:11:41,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:11:41,440 INFO L142 QuantifierPusher]: treesize reduction 41, result has 41.4 percent of original size [2021-03-26 01:11:41,440 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 01:11:41,467 INFO L142 QuantifierPusher]: treesize reduction 14, result has 63.2 percent of original size [2021-03-26 01:11:41,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-26 01:11:41,484 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 01:11:41,485 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:41,502 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-26 01:11:41,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:41,503 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:11:41,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:41,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748417055] [2021-03-26 01:11:41,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:41,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:41,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698098456] [2021-03-26 01:11:41,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:41,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:41,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:41,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:41,520 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 318 [2021-03-26 01:11:41,521 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 83 transitions, 779 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:41,521 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:41,521 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 318 [2021-03-26 01:11:41,521 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:42,296 INFO L129 PetriNetUnfolder]: 371/936 cut-off events. [2021-03-26 01:11:42,296 INFO L130 PetriNetUnfolder]: For 3889/3897 co-relation queries the response was YES. [2021-03-26 01:11:42,300 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4168 conditions, 936 events. 371/936 cut-off events. For 3889/3897 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 6148 event pairs, 155 based on Foata normal form. 0/920 useless extension candidates. Maximal degree in co-relation 3858. Up to 675 conditions per place. [2021-03-26 01:11:42,304 INFO L132 encePairwiseOnDemand]: 305/318 looper letters, 79 selfloop transitions, 52 changer transitions 0/135 dead transitions. [2021-03-26 01:11:42,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 135 transitions, 1431 flow [2021-03-26 01:11:42,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 01:11:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 01:11:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1506 transitions. [2021-03-26 01:11:42,309 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47358490566037736 [2021-03-26 01:11:42,309 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1506 transitions. [2021-03-26 01:11:42,309 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1506 transitions. [2021-03-26 01:11:42,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:42,310 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1506 transitions. [2021-03-26 01:11:42,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 150.6) internal successors, (1506), 10 states have internal predecessors, (1506), 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) [2021-03-26 01:11:42,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 318.0) internal successors, (3498), 11 states have internal predecessors, (3498), 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) [2021-03-26 01:11:42,329 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 318.0) internal successors, (3498), 11 states have internal predecessors, (3498), 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) [2021-03-26 01:11:42,329 INFO L185 Difference]: Start difference. First operand has 77 places, 83 transitions, 779 flow. Second operand 10 states and 1506 transitions. [2021-03-26 01:11:42,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 135 transitions, 1431 flow [2021-03-26 01:11:42,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 135 transitions, 1383 flow, removed 21 selfloop flow, removed 3 redundant places. [2021-03-26 01:11:42,340 INFO L241 Difference]: Finished difference. Result has 88 places, 112 transitions, 1135 flow [2021-03-26 01:11:42,341 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=318, PETRI_DIFFERENCE_MINUEND_FLOW=747, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1135, PETRI_PLACES=88, PETRI_TRANSITIONS=112} [2021-03-26 01:11:42,341 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 24 predicate places. [2021-03-26 01:11:42,341 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:42,341 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 112 transitions, 1135 flow [2021-03-26 01:11:42,341 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 112 transitions, 1135 flow [2021-03-26 01:11:42,342 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 88 places, 112 transitions, 1135 flow [2021-03-26 01:11:42,384 INFO L129 PetriNetUnfolder]: 114/500 cut-off events. [2021-03-26 01:11:42,384 INFO L130 PetriNetUnfolder]: For 1940/1947 co-relation queries the response was YES. [2021-03-26 01:11:42,386 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1992 conditions, 500 events. 114/500 cut-off events. For 1940/1947 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 3763 event pairs, 13 based on Foata normal form. 3/492 useless extension candidates. Maximal degree in co-relation 1929. Up to 132 conditions per place. [2021-03-26 01:11:42,390 INFO L142 LiptonReduction]: Number of co-enabled transitions 242 [2021-03-26 01:11:42,508 INFO L154 LiptonReduction]: Checked pairs total: 688 [2021-03-26 01:11:42,508 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:11:42,508 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 167 [2021-03-26 01:11:42,509 INFO L480 AbstractCegarLoop]: Abstraction has has 88 places, 112 transitions, 1137 flow [2021-03-26 01:11:42,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:42,509 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:42,510 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:42,510 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 01:11:42,510 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:42,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:42,510 INFO L82 PathProgramCache]: Analyzing trace with hash -591810813, now seen corresponding path program 4 times [2021-03-26 01:11:42,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:42,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981996686] [2021-03-26 01:11:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:42,640 INFO L142 QuantifierPusher]: treesize reduction 16, result has 68.0 percent of original size [2021-03-26 01:11:42,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:42,651 INFO L142 QuantifierPusher]: treesize reduction 16, result has 61.9 percent of original size [2021-03-26 01:11:42,652 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:11:42,676 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 01:11:42,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:42,703 INFO L142 QuantifierPusher]: treesize reduction 25, result has 57.6 percent of original size [2021-03-26 01:11:42,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:42,709 INFO L142 QuantifierPusher]: treesize reduction 25, result has 63.2 percent of original size [2021-03-26 01:11:42,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:42,737 INFO L142 QuantifierPusher]: treesize reduction 23, result has 60.3 percent of original size [2021-03-26 01:11:42,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:42,761 INFO L142 QuantifierPusher]: treesize reduction 19, result has 69.4 percent of original size [2021-03-26 01:11:42,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:42,779 INFO L142 QuantifierPusher]: treesize reduction 19, result has 63.5 percent of original size [2021-03-26 01:11:42,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:11:42,788 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:11:42,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:42,805 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:11:42,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:42,808 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 01:11:42,808 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 01:11:42,860 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 01:11:42,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:42,890 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:42,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:42,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981996686] [2021-03-26 01:11:42,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:42,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:42,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274078662] [2021-03-26 01:11:42,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:42,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:42,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:42,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:42,917 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 320 [2021-03-26 01:11:42,919 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 112 transitions, 1137 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:42,919 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:42,919 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 320 [2021-03-26 01:11:42,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:43,939 INFO L129 PetriNetUnfolder]: 377/965 cut-off events. [2021-03-26 01:11:43,939 INFO L130 PetriNetUnfolder]: For 4646/4654 co-relation queries the response was YES. [2021-03-26 01:11:43,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4518 conditions, 965 events. 377/965 cut-off events. For 4646/4654 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 6513 event pairs, 164 based on Foata normal form. 1/952 useless extension candidates. Maximal degree in co-relation 4421. Up to 698 conditions per place. [2021-03-26 01:11:43,948 INFO L132 encePairwiseOnDemand]: 305/320 looper letters, 93 selfloop transitions, 46 changer transitions 0/143 dead transitions. [2021-03-26 01:11:43,949 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 143 transitions, 1664 flow [2021-03-26 01:11:43,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:11:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:11:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1361 transitions. [2021-03-26 01:11:43,953 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47256944444444443 [2021-03-26 01:11:43,953 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1361 transitions. [2021-03-26 01:11:43,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1361 transitions. [2021-03-26 01:11:43,953 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:43,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1361 transitions. [2021-03-26 01:11:43,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 151.22222222222223) internal successors, (1361), 9 states have internal predecessors, (1361), 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) [2021-03-26 01:11:43,959 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 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) [2021-03-26 01:11:43,959 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 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) [2021-03-26 01:11:43,959 INFO L185 Difference]: Start difference. First operand has 88 places, 112 transitions, 1137 flow. Second operand 9 states and 1361 transitions. [2021-03-26 01:11:43,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 143 transitions, 1664 flow [2021-03-26 01:11:43,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 143 transitions, 1591 flow, removed 23 selfloop flow, removed 2 redundant places. [2021-03-26 01:11:43,974 INFO L241 Difference]: Finished difference. Result has 98 places, 120 transitions, 1273 flow [2021-03-26 01:11:43,974 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1074, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1273, PETRI_PLACES=98, PETRI_TRANSITIONS=120} [2021-03-26 01:11:43,975 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 34 predicate places. [2021-03-26 01:11:43,975 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:43,975 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 98 places, 120 transitions, 1273 flow [2021-03-26 01:11:43,975 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 98 places, 120 transitions, 1273 flow [2021-03-26 01:11:43,976 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 98 places, 120 transitions, 1273 flow [2021-03-26 01:11:44,022 INFO L129 PetriNetUnfolder]: 115/523 cut-off events. [2021-03-26 01:11:44,023 INFO L130 PetriNetUnfolder]: For 2178/2188 co-relation queries the response was YES. [2021-03-26 01:11:44,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2175 conditions, 523 events. 115/523 cut-off events. For 2178/2188 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4030 event pairs, 16 based on Foata normal form. 4/513 useless extension candidates. Maximal degree in co-relation 2113. Up to 130 conditions per place. [2021-03-26 01:11:44,029 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 01:11:44,047 INFO L154 LiptonReduction]: Checked pairs total: 315 [2021-03-26 01:11:44,047 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:44,047 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-03-26 01:11:44,049 INFO L480 AbstractCegarLoop]: Abstraction has has 98 places, 120 transitions, 1273 flow [2021-03-26 01:11:44,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:44,050 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:44,050 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:44,050 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 01:11:44,050 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:44,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:44,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1592984962, now seen corresponding path program 1 times [2021-03-26 01:11:44,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:44,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131059091] [2021-03-26 01:11:44,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:44,160 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:44,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:44,169 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 01:11:44,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:44,185 INFO L142 QuantifierPusher]: treesize reduction 16, result has 73.8 percent of original size [2021-03-26 01:11:44,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-26 01:11:44,203 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:11:44,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:44,210 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 01:11:44,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:11:44,226 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-03-26 01:11:44,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-26 01:11:44,257 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 01:11:44,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:44,296 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-26 01:11:44,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-26 01:11:44,332 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-26 01:11:44,333 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:11:44,369 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-26 01:11:44,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:44,393 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:44,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:44,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131059091] [2021-03-26 01:11:44,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:44,421 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:44,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81005999] [2021-03-26 01:11:44,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:44,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:44,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:44,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:44,423 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 320 [2021-03-26 01:11:44,424 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 120 transitions, 1273 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:44,424 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:44,424 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 320 [2021-03-26 01:11:44,424 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:45,411 INFO L129 PetriNetUnfolder]: 414/1095 cut-off events. [2021-03-26 01:11:45,411 INFO L130 PetriNetUnfolder]: For 5531/5537 co-relation queries the response was YES. [2021-03-26 01:11:45,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5238 conditions, 1095 events. 414/1095 cut-off events. For 5531/5537 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 7833 event pairs, 102 based on Foata normal form. 4/1097 useless extension candidates. Maximal degree in co-relation 5144. Up to 467 conditions per place. [2021-03-26 01:11:45,422 INFO L132 encePairwiseOnDemand]: 309/320 looper letters, 99 selfloop transitions, 62 changer transitions 27/192 dead transitions. [2021-03-26 01:11:45,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 192 transitions, 2380 flow [2021-03-26 01:11:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-26 01:11:45,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-26 01:11:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1808 transitions. [2021-03-26 01:11:45,427 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4708333333333333 [2021-03-26 01:11:45,427 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1808 transitions. [2021-03-26 01:11:45,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1808 transitions. [2021-03-26 01:11:45,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:45,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1808 transitions. [2021-03-26 01:11:45,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 150.66666666666666) internal successors, (1808), 12 states have internal predecessors, (1808), 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) [2021-03-26 01:11:45,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 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) [2021-03-26 01:11:45,437 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 320.0) internal successors, (4160), 13 states have internal predecessors, (4160), 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) [2021-03-26 01:11:45,437 INFO L185 Difference]: Start difference. First operand has 98 places, 120 transitions, 1273 flow. Second operand 12 states and 1808 transitions. [2021-03-26 01:11:45,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 192 transitions, 2380 flow [2021-03-26 01:11:45,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 192 transitions, 2275 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-26 01:11:45,459 INFO L241 Difference]: Finished difference. Result has 109 places, 123 transitions, 1510 flow [2021-03-26 01:11:45,459 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1151, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1510, PETRI_PLACES=109, PETRI_TRANSITIONS=123} [2021-03-26 01:11:45,460 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 45 predicate places. [2021-03-26 01:11:45,460 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:45,460 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 123 transitions, 1510 flow [2021-03-26 01:11:45,461 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 123 transitions, 1510 flow [2021-03-26 01:11:45,462 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 123 transitions, 1510 flow [2021-03-26 01:11:45,512 INFO L129 PetriNetUnfolder]: 112/532 cut-off events. [2021-03-26 01:11:45,513 INFO L130 PetriNetUnfolder]: For 2787/2792 co-relation queries the response was YES. [2021-03-26 01:11:45,515 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2358 conditions, 532 events. 112/532 cut-off events. For 2787/2792 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4189 event pairs, 12 based on Foata normal form. 5/530 useless extension candidates. Maximal degree in co-relation 2307. Up to 145 conditions per place. [2021-03-26 01:11:45,520 INFO L142 LiptonReduction]: Number of co-enabled transitions 248 [2021-03-26 01:11:45,544 INFO L154 LiptonReduction]: Checked pairs total: 228 [2021-03-26 01:11:45,545 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:45,545 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-03-26 01:11:45,546 INFO L480 AbstractCegarLoop]: Abstraction has has 105 places, 123 transitions, 1510 flow [2021-03-26 01:11:45,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:45,547 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:45,547 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:45,547 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 01:11:45,547 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:45,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:45,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1524581981, now seen corresponding path program 5 times [2021-03-26 01:11:45,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:45,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069421144] [2021-03-26 01:11:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:45,641 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.1 percent of original size [2021-03-26 01:11:45,643 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-26 01:11:45,679 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.0 percent of original size [2021-03-26 01:11:45,680 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-26 01:11:45,699 INFO L142 QuantifierPusher]: treesize reduction 22, result has 59.3 percent of original size [2021-03-26 01:11:45,699 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.3 percent of original size 26 [2021-03-26 01:11:45,739 INFO L142 QuantifierPusher]: treesize reduction 45, result has 54.1 percent of original size [2021-03-26 01:11:45,739 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 01:11:45,776 INFO L142 QuantifierPusher]: treesize reduction 45, result has 51.6 percent of original size [2021-03-26 01:11:45,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-26 01:11:45,787 INFO L142 QuantifierPusher]: treesize reduction 43, result has 57.4 percent of original size [2021-03-26 01:11:45,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-26 01:11:45,823 INFO L142 QuantifierPusher]: treesize reduction 25, result has 60.9 percent of original size [2021-03-26 01:11:45,824 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:45,851 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-26 01:11:45,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:45,852 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 01:11:45,852 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:45,870 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:11:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:45,880 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 01:11:45,880 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 01:11:45,907 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 01:11:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:45,924 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:45,924 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:45,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069421144] [2021-03-26 01:11:45,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:45,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:45,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134467051] [2021-03-26 01:11:45,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:45,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:45,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:45,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:45,941 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 320 [2021-03-26 01:11:45,942 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 123 transitions, 1510 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:45,942 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:45,942 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 320 [2021-03-26 01:11:45,942 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:46,597 INFO L129 PetriNetUnfolder]: 396/1036 cut-off events. [2021-03-26 01:11:46,597 INFO L130 PetriNetUnfolder]: For 6592/6598 co-relation queries the response was YES. [2021-03-26 01:11:46,600 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5280 conditions, 1036 events. 396/1036 cut-off events. For 6592/6598 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 7255 event pairs, 212 based on Foata normal form. 3/1025 useless extension candidates. Maximal degree in co-relation 5223. Up to 830 conditions per place. [2021-03-26 01:11:46,605 INFO L132 encePairwiseOnDemand]: 307/320 looper letters, 93 selfloop transitions, 29 changer transitions 24/150 dead transitions. [2021-03-26 01:11:46,605 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 150 transitions, 2079 flow [2021-03-26 01:11:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:11:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:11:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1358 transitions. [2021-03-26 01:11:46,608 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47152777777777777 [2021-03-26 01:11:46,608 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1358 transitions. [2021-03-26 01:11:46,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1358 transitions. [2021-03-26 01:11:46,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:46,608 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1358 transitions. [2021-03-26 01:11:46,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 150.88888888888889) internal successors, (1358), 9 states have internal predecessors, (1358), 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) [2021-03-26 01:11:46,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 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) [2021-03-26 01:11:46,613 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 320.0) internal successors, (3200), 10 states have internal predecessors, (3200), 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) [2021-03-26 01:11:46,613 INFO L185 Difference]: Start difference. First operand has 105 places, 123 transitions, 1510 flow. Second operand 9 states and 1358 transitions. [2021-03-26 01:11:46,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 150 transitions, 2079 flow [2021-03-26 01:11:46,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 150 transitions, 1991 flow, removed 35 selfloop flow, removed 5 redundant places. [2021-03-26 01:11:46,630 INFO L241 Difference]: Finished difference. Result has 113 places, 114 transitions, 1387 flow [2021-03-26 01:11:46,630 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=1409, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=24, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1387, PETRI_PLACES=113, PETRI_TRANSITIONS=114} [2021-03-26 01:11:46,630 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 49 predicate places. [2021-03-26 01:11:46,630 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:46,631 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 114 transitions, 1387 flow [2021-03-26 01:11:46,631 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 114 transitions, 1387 flow [2021-03-26 01:11:46,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 110 places, 114 transitions, 1387 flow [2021-03-26 01:11:46,668 INFO L129 PetriNetUnfolder]: 107/501 cut-off events. [2021-03-26 01:11:46,668 INFO L130 PetriNetUnfolder]: For 2986/2988 co-relation queries the response was YES. [2021-03-26 01:11:46,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2295 conditions, 501 events. 107/501 cut-off events. For 2986/2988 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3863 event pairs, 13 based on Foata normal form. 2/496 useless extension candidates. Maximal degree in co-relation 2248. Up to 132 conditions per place. [2021-03-26 01:11:46,673 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-26 01:11:46,689 INFO L154 LiptonReduction]: Checked pairs total: 144 [2021-03-26 01:11:46,689 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:11:46,689 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 59 [2021-03-26 01:11:46,689 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 114 transitions, 1387 flow [2021-03-26 01:11:46,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:46,690 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:46,690 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:46,690 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 01:11:46,690 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:46,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:46,690 INFO L82 PathProgramCache]: Analyzing trace with hash 114914249, now seen corresponding path program 6 times [2021-03-26 01:11:46,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:46,691 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588452236] [2021-03-26 01:11:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:46,738 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:46,738 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 01:11:46,744 INFO L142 QuantifierPusher]: treesize reduction 17, result has 65.3 percent of original size [2021-03-26 01:11:46,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:11:46,766 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 01:11:46,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 01:11:46,773 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:11:46,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:11:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:46,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588452236] [2021-03-26 01:11:46,773 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:46,773 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 01:11:46,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715382660] [2021-03-26 01:11:46,773 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 01:11:46,774 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:46,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 01:11:46,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 01:11:46,775 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 320 [2021-03-26 01:11:46,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 114 transitions, 1387 flow. Second operand has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 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) [2021-03-26 01:11:46,775 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:46,775 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 320 [2021-03-26 01:11:46,775 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:46,818 INFO L129 PetriNetUnfolder]: 12/117 cut-off events. [2021-03-26 01:11:46,818 INFO L130 PetriNetUnfolder]: For 1083/1085 co-relation queries the response was YES. [2021-03-26 01:11:46,818 INFO L84 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 117 events. 12/117 cut-off events. For 1083/1085 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 486 event pairs, 3 based on Foata normal form. 18/133 useless extension candidates. Maximal degree in co-relation 563. Up to 23 conditions per place. [2021-03-26 01:11:46,819 INFO L132 encePairwiseOnDemand]: 314/320 looper letters, 18 selfloop transitions, 5 changer transitions 2/55 dead transitions. [2021-03-26 01:11:46,819 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 55 transitions, 621 flow [2021-03-26 01:11:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 01:11:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 01:11:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2021-03-26 01:11:46,821 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.771875 [2021-03-26 01:11:46,821 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2021-03-26 01:11:46,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2021-03-26 01:11:46,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:46,821 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2021-03-26 01:11:46,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 247.0) internal successors, (988), 4 states have internal predecessors, (988), 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) [2021-03-26 01:11:46,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 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) [2021-03-26 01:11:46,824 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 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) [2021-03-26 01:11:46,824 INFO L185 Difference]: Start difference. First operand has 110 places, 114 transitions, 1387 flow. Second operand 4 states and 988 transitions. [2021-03-26 01:11:46,824 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 55 transitions, 621 flow [2021-03-26 01:11:46,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 55 transitions, 483 flow, removed 43 selfloop flow, removed 22 redundant places. [2021-03-26 01:11:46,828 INFO L241 Difference]: Finished difference. Result has 85 places, 53 transitions, 437 flow [2021-03-26 01:11:46,828 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=437, PETRI_PLACES=85, PETRI_TRANSITIONS=53} [2021-03-26 01:11:46,828 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-26 01:11:46,828 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:46,828 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 53 transitions, 437 flow [2021-03-26 01:11:46,828 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 53 transitions, 437 flow [2021-03-26 01:11:46,829 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 53 transitions, 437 flow [2021-03-26 01:11:46,837 INFO L129 PetriNetUnfolder]: 11/115 cut-off events. [2021-03-26 01:11:46,837 INFO L130 PetriNetUnfolder]: For 319/319 co-relation queries the response was YES. [2021-03-26 01:11:46,837 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 115 events. 11/115 cut-off events. For 319/319 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 489 event pairs, 3 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 376. Up to 17 conditions per place. [2021-03-26 01:11:46,837 INFO L142 LiptonReduction]: Number of co-enabled transitions 66 [2021-03-26 01:11:47,384 INFO L154 LiptonReduction]: Checked pairs total: 73 [2021-03-26 01:11:47,385 INFO L156 LiptonReduction]: Total number of compositions: 7 [2021-03-26 01:11:47,385 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 557 [2021-03-26 01:11:47,385 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 51 transitions, 446 flow [2021-03-26 01:11:47,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 246.25) internal successors, (985), 4 states have internal predecessors, (985), 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) [2021-03-26 01:11:47,386 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:11:47,386 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:11:47,386 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 01:11:47,386 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:11:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:11:47,386 INFO L82 PathProgramCache]: Analyzing trace with hash 206453703, now seen corresponding path program 7 times [2021-03-26 01:11:47,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:11:47,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060309425] [2021-03-26 01:11:47,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:11:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:11:47,472 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 01:11:47,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:47,483 INFO L142 QuantifierPusher]: treesize reduction 30, result has 58.3 percent of original size [2021-03-26 01:11:47,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:11:47,506 INFO L142 QuantifierPusher]: treesize reduction 22, result has 63.9 percent of original size [2021-03-26 01:11:47,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:11:47,538 INFO L142 QuantifierPusher]: treesize reduction 22, result has 60.7 percent of original size [2021-03-26 01:11:47,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:11:47,551 INFO L142 QuantifierPusher]: treesize reduction 22, result has 66.2 percent of original size [2021-03-26 01:11:47,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:47,577 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 01:11:47,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:11:47,600 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.9 percent of original size [2021-03-26 01:11:47,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:11:47,632 INFO L142 QuantifierPusher]: treesize reduction 16, result has 67.3 percent of original size [2021-03-26 01:11:47,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 01:11:47,653 INFO L142 QuantifierPusher]: treesize reduction 43, result has 40.3 percent of original size [2021-03-26 01:11:47,654 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-03-26 01:11:47,697 INFO L142 QuantifierPusher]: treesize reduction 43, result has 39.4 percent of original size [2021-03-26 01:11:47,699 INFO L147 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size 25 [2021-03-26 01:11:47,727 INFO L142 QuantifierPusher]: treesize reduction 16, result has 59.0 percent of original size [2021-03-26 01:11:47,727 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:11:47,745 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:11:47,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:11:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:11:47,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060309425] [2021-03-26 01:11:47,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:11:47,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-26 01:11:47,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889132846] [2021-03-26 01:11:47,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-26 01:11:47,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:11:47,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-26 01:11:47,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-03-26 01:11:47,762 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 327 [2021-03-26 01:11:47,763 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 51 transitions, 446 flow. Second operand has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:11:47,763 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:11:47,763 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 327 [2021-03-26 01:11:47,763 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:11:48,235 INFO L129 PetriNetUnfolder]: 31/137 cut-off events. [2021-03-26 01:11:48,236 INFO L130 PetriNetUnfolder]: For 558/558 co-relation queries the response was YES. [2021-03-26 01:11:48,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 137 events. 31/137 cut-off events. For 558/558 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 555 event pairs, 18 based on Foata normal form. 1/138 useless extension candidates. Maximal degree in co-relation 601. Up to 70 conditions per place. [2021-03-26 01:11:48,237 INFO L132 encePairwiseOnDemand]: 316/327 looper letters, 28 selfloop transitions, 4 changer transitions 24/60 dead transitions. [2021-03-26 01:11:48,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 60 transitions, 614 flow [2021-03-26 01:11:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:11:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:11:48,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1337 transitions. [2021-03-26 01:11:48,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45429833503228 [2021-03-26 01:11:48,239 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1337 transitions. [2021-03-26 01:11:48,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1337 transitions. [2021-03-26 01:11:48,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:11:48,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1337 transitions. [2021-03-26 01:11:48,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.55555555555554) internal successors, (1337), 9 states have internal predecessors, (1337), 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) [2021-03-26 01:11:48,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 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) [2021-03-26 01:11:48,243 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 327.0) internal successors, (3270), 10 states have internal predecessors, (3270), 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) [2021-03-26 01:11:48,243 INFO L185 Difference]: Start difference. First operand has 79 places, 51 transitions, 446 flow. Second operand 9 states and 1337 transitions. [2021-03-26 01:11:48,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 60 transitions, 614 flow [2021-03-26 01:11:48,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 60 transitions, 573 flow, removed 3 selfloop flow, removed 7 redundant places. [2021-03-26 01:11:48,269 INFO L241 Difference]: Finished difference. Result has 81 places, 34 transitions, 278 flow [2021-03-26 01:11:48,269 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=278, PETRI_PLACES=81, PETRI_TRANSITIONS=34} [2021-03-26 01:11:48,269 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 17 predicate places. [2021-03-26 01:11:48,269 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:11:48,269 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 34 transitions, 278 flow [2021-03-26 01:11:48,270 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 34 transitions, 278 flow [2021-03-26 01:11:48,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 34 transitions, 278 flow [2021-03-26 01:11:48,275 INFO L129 PetriNetUnfolder]: 6/68 cut-off events. [2021-03-26 01:11:48,275 INFO L130 PetriNetUnfolder]: For 140/140 co-relation queries the response was YES. [2021-03-26 01:11:48,275 INFO L84 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 68 events. 6/68 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 226 event pairs, 2 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 232. Up to 13 conditions per place. [2021-03-26 01:11:48,275 INFO L142 LiptonReduction]: Number of co-enabled transitions 30 [2021-03-26 01:11:55,915 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-03-26 01:12:03,112 INFO L154 LiptonReduction]: Checked pairs total: 75 [2021-03-26 01:12:03,112 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 01:12:03,112 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14843 [2021-03-26 01:12:03,113 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 32 transitions, 280 flow [2021-03-26 01:12:03,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 145.41666666666666) internal successors, (1745), 12 states have internal predecessors, (1745), 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) [2021-03-26 01:12:03,113 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:03,113 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:03,113 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 01:12:03,113 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:03,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:03,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1862595289, now seen corresponding path program 1 times [2021-03-26 01:12:03,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:03,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939026896] [2021-03-26 01:12:03,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:03,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:12:03,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-26 01:12:03,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-26 01:12:03,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:03,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:12:03,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:03,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:12:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:03,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939026896] [2021-03-26 01:12:03,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:03,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 01:12:03,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130310958] [2021-03-26 01:12:03,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 01:12:03,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 01:12:03,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-26 01:12:03,176 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 331 [2021-03-26 01:12:03,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 32 transitions, 280 flow. Second operand has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 01:12:03,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:03,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 331 [2021-03-26 01:12:03,177 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:03,329 INFO L129 PetriNetUnfolder]: 13/77 cut-off events. [2021-03-26 01:12:03,330 INFO L130 PetriNetUnfolder]: For 242/242 co-relation queries the response was YES. [2021-03-26 01:12:03,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 77 events. 13/77 cut-off events. For 242/242 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 251 event pairs, 8 based on Foata normal form. 8/85 useless extension candidates. Maximal degree in co-relation 346. Up to 42 conditions per place. [2021-03-26 01:12:03,330 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 26 selfloop transitions, 14 changer transitions 0/42 dead transitions. [2021-03-26 01:12:03,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 42 transitions, 438 flow [2021-03-26 01:12:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:12:03,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:12:03,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1299 transitions. [2021-03-26 01:12:03,332 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.49055891238670696 [2021-03-26 01:12:03,332 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1299 transitions. [2021-03-26 01:12:03,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1299 transitions. [2021-03-26 01:12:03,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:03,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1299 transitions. [2021-03-26 01:12:03,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 162.375) internal successors, (1299), 8 states have internal predecessors, (1299), 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) [2021-03-26 01:12:03,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 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) [2021-03-26 01:12:03,336 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 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) [2021-03-26 01:12:03,336 INFO L185 Difference]: Start difference. First operand has 63 places, 32 transitions, 280 flow. Second operand 8 states and 1299 transitions. [2021-03-26 01:12:03,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 42 transitions, 438 flow [2021-03-26 01:12:03,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 42 transitions, 321 flow, removed 35 selfloop flow, removed 20 redundant places. [2021-03-26 01:12:03,337 INFO L241 Difference]: Finished difference. Result has 53 places, 37 transitions, 275 flow [2021-03-26 01:12:03,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=275, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2021-03-26 01:12:03,337 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -11 predicate places. [2021-03-26 01:12:03,338 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:03,338 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 37 transitions, 275 flow [2021-03-26 01:12:03,338 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 37 transitions, 275 flow [2021-03-26 01:12:03,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 37 transitions, 275 flow [2021-03-26 01:12:03,342 INFO L129 PetriNetUnfolder]: 7/67 cut-off events. [2021-03-26 01:12:03,343 INFO L130 PetriNetUnfolder]: For 113/113 co-relation queries the response was YES. [2021-03-26 01:12:03,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 67 events. 7/67 cut-off events. For 113/113 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 225 event pairs, 3 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 135. Up to 14 conditions per place. [2021-03-26 01:12:03,343 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 01:12:05,686 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-26 01:12:05,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:12:05,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2349 [2021-03-26 01:12:05,687 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 37 transitions, 275 flow [2021-03-26 01:12:05,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.33333333333334) internal successors, (962), 6 states have internal predecessors, (962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 01:12:05,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:05,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:05,688 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 01:12:05,688 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:05,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:05,688 INFO L82 PathProgramCache]: Analyzing trace with hash -341983318, now seen corresponding path program 1 times [2021-03-26 01:12:05,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:05,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048988271] [2021-03-26 01:12:05,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:05,735 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 01:12:05,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:05,745 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 01:12:05,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:05,756 INFO L142 QuantifierPusher]: treesize reduction 22, result has 56.0 percent of original size [2021-03-26 01:12:05,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:12:05,771 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-26 01:12:05,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:12:05,787 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 01:12:05,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:05,804 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:12:05,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:12:05,822 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 01:12:05,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:05,849 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:12:05,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:05,864 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:12:05,865 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:05,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:05,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048988271] [2021-03-26 01:12:05,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:05,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 01:12:05,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244367042] [2021-03-26 01:12:05,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 01:12:05,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:05,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 01:12:05,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 01:12:05,867 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 331 [2021-03-26 01:12:05,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 37 transitions, 275 flow. Second operand has 10 states, 10 states have (on average 144.3) internal successors, (1443), 10 states have internal predecessors, (1443), 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) [2021-03-26 01:12:05,868 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:05,868 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 331 [2021-03-26 01:12:05,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:06,237 INFO L129 PetriNetUnfolder]: 11/83 cut-off events. [2021-03-26 01:12:06,237 INFO L130 PetriNetUnfolder]: For 176/176 co-relation queries the response was YES. [2021-03-26 01:12:06,237 INFO L84 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 83 events. 11/83 cut-off events. For 176/176 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 307 event pairs, 1 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 205. Up to 30 conditions per place. [2021-03-26 01:12:06,237 INFO L132 encePairwiseOnDemand]: 320/331 looper letters, 30 selfloop transitions, 11 changer transitions 6/51 dead transitions. [2021-03-26 01:12:06,238 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 51 transitions, 455 flow [2021-03-26 01:12:06,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:12:06,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:12:06,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1324 transitions. [2021-03-26 01:12:06,239 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2021-03-26 01:12:06,239 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1324 transitions. [2021-03-26 01:12:06,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1324 transitions. [2021-03-26 01:12:06,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:06,240 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1324 transitions. [2021-03-26 01:12:06,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.11111111111111) internal successors, (1324), 9 states have internal predecessors, (1324), 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) [2021-03-26 01:12:06,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-03-26 01:12:06,243 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-03-26 01:12:06,243 INFO L185 Difference]: Start difference. First operand has 53 places, 37 transitions, 275 flow. Second operand 9 states and 1324 transitions. [2021-03-26 01:12:06,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 51 transitions, 455 flow [2021-03-26 01:12:06,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 51 transitions, 432 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-03-26 01:12:06,245 INFO L241 Difference]: Finished difference. Result has 63 places, 40 transitions, 327 flow [2021-03-26 01:12:06,245 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=327, PETRI_PLACES=63, PETRI_TRANSITIONS=40} [2021-03-26 01:12:06,245 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -1 predicate places. [2021-03-26 01:12:06,245 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:06,245 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 40 transitions, 327 flow [2021-03-26 01:12:06,245 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 40 transitions, 327 flow [2021-03-26 01:12:06,246 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 40 transitions, 327 flow [2021-03-26 01:12:06,250 INFO L129 PetriNetUnfolder]: 6/66 cut-off events. [2021-03-26 01:12:06,250 INFO L130 PetriNetUnfolder]: For 151/153 co-relation queries the response was YES. [2021-03-26 01:12:06,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 66 events. 6/66 cut-off events. For 151/153 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 224 event pairs, 1 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 228. Up to 13 conditions per place. [2021-03-26 01:12:06,251 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 01:12:08,647 INFO L154 LiptonReduction]: Checked pairs total: 36 [2021-03-26 01:12:08,647 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:12:08,647 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2402 [2021-03-26 01:12:08,649 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 40 transitions, 327 flow [2021-03-26 01:12:08,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 144.3) internal successors, (1443), 10 states have internal predecessors, (1443), 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) [2021-03-26 01:12:08,649 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:08,649 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:08,649 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 01:12:08,650 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:08,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:08,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1164793853, now seen corresponding path program 1 times [2021-03-26 01:12:08,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:08,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951855393] [2021-03-26 01:12:08,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:08,780 INFO L142 QuantifierPusher]: treesize reduction 13, result has 72.3 percent of original size [2021-03-26 01:12:08,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:08,792 INFO L142 QuantifierPusher]: treesize reduction 13, result has 66.7 percent of original size [2021-03-26 01:12:08,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:08,806 INFO L142 QuantifierPusher]: treesize reduction 13, result has 65.8 percent of original size [2021-03-26 01:12:08,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:08,819 INFO L142 QuantifierPusher]: treesize reduction 22, result has 55.1 percent of original size [2021-03-26 01:12:08,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:12:08,838 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.0 percent of original size [2021-03-26 01:12:08,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:08,856 INFO L142 QuantifierPusher]: treesize reduction 16, result has 72.4 percent of original size [2021-03-26 01:12:08,857 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:12:08,888 INFO L142 QuantifierPusher]: treesize reduction 16, result has 66.7 percent of original size [2021-03-26 01:12:08,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:12:08,900 INFO L142 QuantifierPusher]: treesize reduction 46, result has 35.2 percent of original size [2021-03-26 01:12:08,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:08,930 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:12:08,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:08,955 INFO L142 QuantifierPusher]: treesize reduction 11, result has 60.7 percent of original size [2021-03-26 01:12:08,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:08,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951855393] [2021-03-26 01:12:08,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:08,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 01:12:08,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910993816] [2021-03-26 01:12:08,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 01:12:08,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:08,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 01:12:08,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 01:12:08,958 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 331 [2021-03-26 01:12:08,958 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 40 transitions, 327 flow. Second operand has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 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) [2021-03-26 01:12:08,958 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:08,958 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 331 [2021-03-26 01:12:08,959 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:09,360 INFO L129 PetriNetUnfolder]: 10/74 cut-off events. [2021-03-26 01:12:09,360 INFO L130 PetriNetUnfolder]: For 225/225 co-relation queries the response was YES. [2021-03-26 01:12:09,360 INFO L84 FinitePrefix]: Finished finitePrefix Result has 343 conditions, 74 events. 10/74 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 243 event pairs, 6 based on Foata normal form. 1/75 useless extension candidates. Maximal degree in co-relation 319. Up to 45 conditions per place. [2021-03-26 01:12:09,361 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 26 selfloop transitions, 6 changer transitions 9/45 dead transitions. [2021-03-26 01:12:09,361 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 45 transitions, 446 flow [2021-03-26 01:12:09,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:12:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:12:09,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1317 transitions. [2021-03-26 01:12:09,362 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4420946626384693 [2021-03-26 01:12:09,362 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1317 transitions. [2021-03-26 01:12:09,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1317 transitions. [2021-03-26 01:12:09,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:09,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1317 transitions. [2021-03-26 01:12:09,364 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 146.33333333333334) internal successors, (1317), 9 states have internal predecessors, (1317), 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) [2021-03-26 01:12:09,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-03-26 01:12:09,366 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 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) [2021-03-26 01:12:09,366 INFO L185 Difference]: Start difference. First operand has 60 places, 40 transitions, 327 flow. Second operand 9 states and 1317 transitions. [2021-03-26 01:12:09,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 45 transitions, 446 flow [2021-03-26 01:12:09,367 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 45 transitions, 408 flow, removed 10 selfloop flow, removed 7 redundant places. [2021-03-26 01:12:09,368 INFO L241 Difference]: Finished difference. Result has 63 places, 36 transitions, 276 flow [2021-03-26 01:12:09,368 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=276, PETRI_PLACES=63, PETRI_TRANSITIONS=36} [2021-03-26 01:12:09,368 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -1 predicate places. [2021-03-26 01:12:09,368 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:09,368 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 36 transitions, 276 flow [2021-03-26 01:12:09,369 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 36 transitions, 276 flow [2021-03-26 01:12:09,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 36 transitions, 276 flow [2021-03-26 01:12:09,373 INFO L129 PetriNetUnfolder]: 5/52 cut-off events. [2021-03-26 01:12:09,373 INFO L130 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2021-03-26 01:12:09,373 INFO L84 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 52 events. 5/52 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 141 event pairs, 1 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 164. Up to 11 conditions per place. [2021-03-26 01:12:09,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 12 [2021-03-26 01:12:09,864 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-26 01:12:12,139 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-26 01:12:12,139 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:12:12,140 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2772 [2021-03-26 01:12:12,140 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 36 transitions, 286 flow [2021-03-26 01:12:12,140 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 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) [2021-03-26 01:12:12,140 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:12,140 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:12,140 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-26 01:12:12,141 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:12,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:12,141 INFO L82 PathProgramCache]: Analyzing trace with hash -88650217, now seen corresponding path program 1 times [2021-03-26 01:12:12,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:12,141 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686589517] [2021-03-26 01:12:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:12,186 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 01:12:12,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:12,197 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 01:12:12,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:12,209 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 01:12:12,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:12:12,224 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 01:12:12,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:12:12,239 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-26 01:12:12,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-26 01:12:12,256 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-26 01:12:12,257 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 01:12:12,273 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-26 01:12:12,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-26 01:12:12,285 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 01:12:12,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:12,312 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:12,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:12,326 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:12,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:12,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686589517] [2021-03-26 01:12:12,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:12,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-26 01:12:12,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966879175] [2021-03-26 01:12:12,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 01:12:12,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:12,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 01:12:12,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-26 01:12:12,329 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 333 [2021-03-26 01:12:12,329 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 36 transitions, 286 flow. Second operand has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 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) [2021-03-26 01:12:12,329 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:12,329 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 333 [2021-03-26 01:12:12,330 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:12,719 INFO L129 PetriNetUnfolder]: 13/77 cut-off events. [2021-03-26 01:12:12,719 INFO L130 PetriNetUnfolder]: For 177/178 co-relation queries the response was YES. [2021-03-26 01:12:12,719 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 77 events. 13/77 cut-off events. For 177/178 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 274 event pairs, 2 based on Foata normal form. 1/77 useless extension candidates. Maximal degree in co-relation 289. Up to 24 conditions per place. [2021-03-26 01:12:12,719 INFO L132 encePairwiseOnDemand]: 321/333 looper letters, 21 selfloop transitions, 11 changer transitions 10/46 dead transitions. [2021-03-26 01:12:12,719 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 46 transitions, 413 flow [2021-03-26 01:12:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 01:12:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 01:12:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1323 transitions. [2021-03-26 01:12:12,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44144144144144143 [2021-03-26 01:12:12,721 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1323 transitions. [2021-03-26 01:12:12,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1323 transitions. [2021-03-26 01:12:12,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:12,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1323 transitions. [2021-03-26 01:12:12,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.0) internal successors, (1323), 9 states have internal predecessors, (1323), 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) [2021-03-26 01:12:12,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 333.0) internal successors, (3330), 10 states have internal predecessors, (3330), 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) [2021-03-26 01:12:12,724 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 333.0) internal successors, (3330), 10 states have internal predecessors, (3330), 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) [2021-03-26 01:12:12,724 INFO L185 Difference]: Start difference. First operand has 55 places, 36 transitions, 286 flow. Second operand 9 states and 1323 transitions. [2021-03-26 01:12:12,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 46 transitions, 413 flow [2021-03-26 01:12:12,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 46 transitions, 371 flow, removed 13 selfloop flow, removed 9 redundant places. [2021-03-26 01:12:12,725 INFO L241 Difference]: Finished difference. Result has 56 places, 33 transitions, 249 flow [2021-03-26 01:12:12,726 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=333, PETRI_DIFFERENCE_MINUEND_FLOW=248, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=249, PETRI_PLACES=56, PETRI_TRANSITIONS=33} [2021-03-26 01:12:12,726 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -8 predicate places. [2021-03-26 01:12:12,726 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:12,726 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 33 transitions, 249 flow [2021-03-26 01:12:12,726 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 33 transitions, 249 flow [2021-03-26 01:12:12,726 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 33 transitions, 249 flow [2021-03-26 01:12:12,730 INFO L129 PetriNetUnfolder]: 4/49 cut-off events. [2021-03-26 01:12:12,730 INFO L130 PetriNetUnfolder]: For 108/108 co-relation queries the response was YES. [2021-03-26 01:12:12,730 INFO L84 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 49 events. 4/49 cut-off events. For 108/108 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 127 event pairs, 1 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 162. Up to 10 conditions per place. [2021-03-26 01:12:12,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 4 [2021-03-26 01:12:13,149 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-26 01:12:13,149 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-26 01:12:13,150 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 424 [2021-03-26 01:12:13,150 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 32 transitions, 251 flow [2021-03-26 01:12:13,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 144.4) internal successors, (1444), 10 states have internal predecessors, (1444), 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) [2021-03-26 01:12:13,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:13,150 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:13,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-26 01:12:13,151 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:13,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1934320091, now seen corresponding path program 1 times [2021-03-26 01:12:13,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:13,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762136912] [2021-03-26 01:12:13,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:13,179 INFO L142 QuantifierPusher]: treesize reduction 12, result has 53.8 percent of original size [2021-03-26 01:12:13,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-26 01:12:13,186 INFO L142 QuantifierPusher]: treesize reduction 12, result has 60.0 percent of original size [2021-03-26 01:12:13,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:12:13,195 INFO L142 QuantifierPusher]: treesize reduction 12, result has 64.7 percent of original size [2021-03-26 01:12:13,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-26 01:12:13,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:12:13,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-26 01:12:13,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:13,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-26 01:12:13,262 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 01:12:13,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 01:12:13,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 01:12:13,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:13,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762136912] [2021-03-26 01:12:13,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:13,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-26 01:12:13,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983981669] [2021-03-26 01:12:13,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-26 01:12:13,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:13,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-26 01:12:13,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-03-26 01:12:13,272 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 337 [2021-03-26 01:12:13,273 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 32 transitions, 251 flow. Second operand has 10 states, 10 states have (on average 150.2) internal successors, (1502), 10 states have internal predecessors, (1502), 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) [2021-03-26 01:12:13,273 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:13,273 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 337 [2021-03-26 01:12:13,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:13,464 INFO L129 PetriNetUnfolder]: 3/41 cut-off events. [2021-03-26 01:12:13,465 INFO L130 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2021-03-26 01:12:13,465 INFO L84 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 41 events. 3/41 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 1/42 useless extension candidates. Maximal degree in co-relation 184. Up to 15 conditions per place. [2021-03-26 01:12:13,465 INFO L132 encePairwiseOnDemand]: 328/337 looper letters, 19 selfloop transitions, 12 changer transitions 2/34 dead transitions. [2021-03-26 01:12:13,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 34 transitions, 326 flow [2021-03-26 01:12:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 01:12:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 01:12:13,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1219 transitions. [2021-03-26 01:12:13,466 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4521513353115727 [2021-03-26 01:12:13,466 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1219 transitions. [2021-03-26 01:12:13,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1219 transitions. [2021-03-26 01:12:13,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:13,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1219 transitions. [2021-03-26 01:12:13,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 152.375) internal successors, (1219), 8 states have internal predecessors, (1219), 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) [2021-03-26 01:12:13,469 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 337.0) internal successors, (3033), 9 states have internal predecessors, (3033), 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) [2021-03-26 01:12:13,469 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 337.0) internal successors, (3033), 9 states have internal predecessors, (3033), 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) [2021-03-26 01:12:13,469 INFO L185 Difference]: Start difference. First operand has 52 places, 32 transitions, 251 flow. Second operand 8 states and 1219 transitions. [2021-03-26 01:12:13,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 34 transitions, 326 flow [2021-03-26 01:12:13,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 34 transitions, 279 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-26 01:12:13,470 INFO L241 Difference]: Finished difference. Result has 51 places, 30 transitions, 219 flow [2021-03-26 01:12:13,470 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=337, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=219, PETRI_PLACES=51, PETRI_TRANSITIONS=30} [2021-03-26 01:12:13,470 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -13 predicate places. [2021-03-26 01:12:13,470 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:13,471 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 30 transitions, 219 flow [2021-03-26 01:12:13,471 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 30 transitions, 219 flow [2021-03-26 01:12:13,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 30 transitions, 219 flow [2021-03-26 01:12:13,474 INFO L129 PetriNetUnfolder]: 1/35 cut-off events. [2021-03-26 01:12:13,474 INFO L130 PetriNetUnfolder]: For 57/57 co-relation queries the response was YES. [2021-03-26 01:12:13,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 35 events. 1/35 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. [2021-03-26 01:12:13,474 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:12:13,539 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:12:13,539 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:12:13,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 70 [2021-03-26 01:12:13,540 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 29 transitions, 217 flow [2021-03-26 01:12:13,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 150.2) internal successors, (1502), 10 states have internal predecessors, (1502), 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) [2021-03-26 01:12:13,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:13,540 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:13,540 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-26 01:12:13,540 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:13,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:13,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1820716011, now seen corresponding path program 1 times [2021-03-26 01:12:13,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:13,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156908468] [2021-03-26 01:12:13,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:13,593 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-26 01:12:13,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:12:13,618 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-26 01:12:13,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 01:12:13,644 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 01:12:13,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:12:13,658 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 01:12:13,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:13,681 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-26 01:12:13,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-26 01:12:13,692 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:13,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:13,704 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:13,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:13,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156908468] [2021-03-26 01:12:13,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:13,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:12:13,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378738041] [2021-03-26 01:12:13,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:12:13,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:13,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:12:13,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:12:13,707 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 339 [2021-03-26 01:12:13,708 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 29 transitions, 217 flow. Second operand has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-26 01:12:13,708 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:13,708 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 339 [2021-03-26 01:12:13,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:13,890 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-26 01:12:13,890 INFO L130 PetriNetUnfolder]: For 90/90 co-relation queries the response was YES. [2021-03-26 01:12:13,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 36 events. 0/36 cut-off events. For 90/90 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 0. Up to 14 conditions per place. [2021-03-26 01:12:13,890 INFO L132 encePairwiseOnDemand]: 330/339 looper letters, 17 selfloop transitions, 7 changer transitions 3/30 dead transitions. [2021-03-26 01:12:13,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 30 transitions, 279 flow [2021-03-26 01:12:13,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:12:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:12:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1087 transitions. [2021-03-26 01:12:13,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4580699536451749 [2021-03-26 01:12:13,892 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1087 transitions. [2021-03-26 01:12:13,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1087 transitions. [2021-03-26 01:12:13,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:13,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1087 transitions. [2021-03-26 01:12:13,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.28571428571428) internal successors, (1087), 7 states have internal predecessors, (1087), 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) [2021-03-26 01:12:13,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 339.0) internal successors, (2712), 8 states have internal predecessors, (2712), 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) [2021-03-26 01:12:13,894 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 339.0) internal successors, (2712), 8 states have internal predecessors, (2712), 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) [2021-03-26 01:12:13,894 INFO L185 Difference]: Start difference. First operand has 50 places, 29 transitions, 217 flow. Second operand 7 states and 1087 transitions. [2021-03-26 01:12:13,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 30 transitions, 279 flow [2021-03-26 01:12:13,895 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 30 transitions, 234 flow, removed 6 selfloop flow, removed 8 redundant places. [2021-03-26 01:12:13,895 INFO L241 Difference]: Finished difference. Result has 49 places, 27 transitions, 176 flow [2021-03-26 01:12:13,896 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=176, PETRI_PLACES=49, PETRI_TRANSITIONS=27} [2021-03-26 01:12:13,896 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -15 predicate places. [2021-03-26 01:12:13,896 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:13,896 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 27 transitions, 176 flow [2021-03-26 01:12:13,896 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 27 transitions, 176 flow [2021-03-26 01:12:13,896 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 27 transitions, 176 flow [2021-03-26 01:12:13,899 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-26 01:12:13,899 INFO L130 PetriNetUnfolder]: For 35/35 co-relation queries the response was YES. [2021-03-26 01:12:13,899 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 31 events. 0/31 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 49 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-03-26 01:12:13,899 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:12:13,899 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:12:13,899 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:12:13,899 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3 [2021-03-26 01:12:13,901 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 27 transitions, 176 flow [2021-03-26 01:12:13,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-26 01:12:13,901 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:13,901 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:13,901 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-26 01:12:13,901 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:13,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:13,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1599070971, now seen corresponding path program 2 times [2021-03-26 01:12:13,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:13,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763878882] [2021-03-26 01:12:13,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:13,961 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.9 percent of original size [2021-03-26 01:12:13,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-26 01:12:13,987 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-03-26 01:12:13,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-26 01:12:14,020 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-26 01:12:14,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-26 01:12:14,044 INFO L142 QuantifierPusher]: treesize reduction 44, result has 37.1 percent of original size [2021-03-26 01:12:14,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:14,067 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 01:12:14,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:14,101 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:14,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:14,113 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:14,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:14,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763878882] [2021-03-26 01:12:14,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:14,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 01:12:14,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792395185] [2021-03-26 01:12:14,114 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 01:12:14,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:14,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 01:12:14,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-26 01:12:14,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 339 [2021-03-26 01:12:14,116 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 27 transitions, 176 flow. Second operand has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-26 01:12:14,116 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:14,116 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 339 [2021-03-26 01:12:14,116 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:14,318 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 01:12:14,319 INFO L130 PetriNetUnfolder]: For 55/55 co-relation queries the response was YES. [2021-03-26 01:12:14,319 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 30 events. 0/30 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 1/31 useless extension candidates. Maximal degree in co-relation 0. Up to 12 conditions per place. [2021-03-26 01:12:14,319 INFO L132 encePairwiseOnDemand]: 331/339 looper letters, 15 selfloop transitions, 3 changer transitions 5/26 dead transitions. [2021-03-26 01:12:14,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 26 transitions, 213 flow [2021-03-26 01:12:14,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:12:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:12:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1085 transitions. [2021-03-26 01:12:14,321 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45722713864306785 [2021-03-26 01:12:14,321 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1085 transitions. [2021-03-26 01:12:14,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1085 transitions. [2021-03-26 01:12:14,321 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:14,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1085 transitions. [2021-03-26 01:12:14,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 155.0) internal successors, (1085), 7 states have internal predecessors, (1085), 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) [2021-03-26 01:12:14,326 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 339.0) internal successors, (2712), 8 states have internal predecessors, (2712), 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) [2021-03-26 01:12:14,326 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 339.0) internal successors, (2712), 8 states have internal predecessors, (2712), 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) [2021-03-26 01:12:14,326 INFO L185 Difference]: Start difference. First operand has 48 places, 27 transitions, 176 flow. Second operand 7 states and 1085 transitions. [2021-03-26 01:12:14,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 26 transitions, 213 flow [2021-03-26 01:12:14,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 26 transitions, 189 flow, removed 0 selfloop flow, removed 7 redundant places. [2021-03-26 01:12:14,327 INFO L241 Difference]: Finished difference. Result has 47 places, 21 transitions, 115 flow [2021-03-26 01:12:14,328 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=115, PETRI_PLACES=47, PETRI_TRANSITIONS=21} [2021-03-26 01:12:14,328 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -17 predicate places. [2021-03-26 01:12:14,328 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:14,328 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 21 transitions, 115 flow [2021-03-26 01:12:14,328 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 21 transitions, 115 flow [2021-03-26 01:12:14,328 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 21 transitions, 115 flow [2021-03-26 01:12:14,331 INFO L129 PetriNetUnfolder]: 0/23 cut-off events. [2021-03-26 01:12:14,331 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2021-03-26 01:12:14,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 23 events. 0/23 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 18 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-26 01:12:14,331 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:12:14,501 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 01:12:14,613 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-03-26 01:12:14,869 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-03-26 01:12:15,118 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:12:15,118 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 01:12:15,118 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 790 [2021-03-26 01:12:15,119 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 19 transitions, 109 flow [2021-03-26 01:12:15,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 153.125) internal successors, (1225), 8 states have internal predecessors, (1225), 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) [2021-03-26 01:12:15,120 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:15,120 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:15,120 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-26 01:12:15,120 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:15,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:15,121 INFO L82 PathProgramCache]: Analyzing trace with hash 411989265, now seen corresponding path program 1 times [2021-03-26 01:12:15,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:15,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048120504] [2021-03-26 01:12:15,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:15,182 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 01:12:15,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:15,193 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 01:12:15,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:15,203 INFO L142 QuantifierPusher]: treesize reduction 20, result has 58.3 percent of original size [2021-03-26 01:12:15,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-26 01:12:15,228 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-03-26 01:12:15,229 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:12:15,244 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-26 01:12:15,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:15,270 INFO L142 QuantifierPusher]: treesize reduction 44, result has 36.2 percent of original size [2021-03-26 01:12:15,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 01:12:15,295 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:15,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:15,317 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:15,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:15,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:15,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048120504] [2021-03-26 01:12:15,318 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:15,318 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 01:12:15,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572948339] [2021-03-26 01:12:15,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 01:12:15,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:15,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 01:12:15,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-26 01:12:15,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 341 [2021-03-26 01:12:15,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 19 transitions, 109 flow. Second operand has 9 states, 9 states have (on average 144.22222222222223) internal successors, (1298), 9 states have internal predecessors, (1298), 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) [2021-03-26 01:12:15,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:15,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 341 [2021-03-26 01:12:15,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:15,594 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-03-26 01:12:15,594 INFO L130 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2021-03-26 01:12:15,594 INFO L84 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 20 events. 0/20 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 14 event pairs, 0 based on Foata normal form. 1/21 useless extension candidates. Maximal degree in co-relation 0. Up to 6 conditions per place. [2021-03-26 01:12:15,594 INFO L132 encePairwiseOnDemand]: 334/341 looper letters, 9 selfloop transitions, 2 changer transitions 5/18 dead transitions. [2021-03-26 01:12:15,594 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 18 transitions, 136 flow [2021-03-26 01:12:15,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:12:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:12:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1018 transitions. [2021-03-26 01:12:15,596 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42647674905739424 [2021-03-26 01:12:15,596 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1018 transitions. [2021-03-26 01:12:15,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1018 transitions. [2021-03-26 01:12:15,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:15,596 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1018 transitions. [2021-03-26 01:12:15,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 145.42857142857142) internal successors, (1018), 7 states have internal predecessors, (1018), 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) [2021-03-26 01:12:15,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 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) [2021-03-26 01:12:15,598 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 341.0) internal successors, (2728), 8 states have internal predecessors, (2728), 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) [2021-03-26 01:12:15,598 INFO L185 Difference]: Start difference. First operand has 35 places, 19 transitions, 109 flow. Second operand 7 states and 1018 transitions. [2021-03-26 01:12:15,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 18 transitions, 136 flow [2021-03-26 01:12:15,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 18 transitions, 108 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-03-26 01:12:15,599 INFO L241 Difference]: Finished difference. Result has 32 places, 13 transitions, 51 flow [2021-03-26 01:12:15,599 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=51, PETRI_PLACES=32, PETRI_TRANSITIONS=13} [2021-03-26 01:12:15,599 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -32 predicate places. [2021-03-26 01:12:15,599 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:15,599 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 32 places, 13 transitions, 51 flow [2021-03-26 01:12:15,599 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 32 places, 13 transitions, 51 flow [2021-03-26 01:12:15,600 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 25 places, 13 transitions, 51 flow [2021-03-26 01:12:15,601 INFO L129 PetriNetUnfolder]: 0/13 cut-off events. [2021-03-26 01:12:15,601 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 01:12:15,601 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31 conditions, 13 events. 0/13 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/13 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 01:12:15,601 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:12:15,778 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:12:15,778 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 01:12:15,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 179 [2021-03-26 01:12:15,778 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 12 transitions, 47 flow [2021-03-26 01:12:15,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 144.22222222222223) internal successors, (1298), 9 states have internal predecessors, (1298), 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) [2021-03-26 01:12:15,779 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 01:12:15,779 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 01:12:15,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-26 01:12:15,779 INFO L428 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 01:12:15,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 01:12:15,779 INFO L82 PathProgramCache]: Analyzing trace with hash -87124011, now seen corresponding path program 1 times [2021-03-26 01:12:15,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 01:12:15,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113494177] [2021-03-26 01:12:15,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 01:12:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 01:12:15,822 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 01:12:15,822 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:15,833 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-26 01:12:15,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-26 01:12:15,844 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-26 01:12:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 01:12:15,863 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-03-26 01:12:15,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 01:12:15,882 INFO L142 QuantifierPusher]: treesize reduction 14, result has 65.9 percent of original size [2021-03-26 01:12:15,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-26 01:12:15,899 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-26 01:12:15,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-26 01:12:15,917 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:15,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:15,931 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-26 01:12:15,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-26 01:12:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 01:12:15,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113494177] [2021-03-26 01:12:15,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 01:12:15,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-26 01:12:15,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18629323] [2021-03-26 01:12:15,932 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-26 01:12:15,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 01:12:15,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-26 01:12:15,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-26 01:12:15,933 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 342 [2021-03-26 01:12:15,934 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 12 transitions, 47 flow. Second operand has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 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) [2021-03-26 01:12:15,934 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 01:12:15,934 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 342 [2021-03-26 01:12:15,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 01:12:16,113 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-26 01:12:16,113 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 01:12:16,113 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 11 events. 0/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 1/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 01:12:16,113 INFO L132 encePairwiseOnDemand]: 336/342 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2021-03-26 01:12:16,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 11 transitions, 60 flow [2021-03-26 01:12:16,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 01:12:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 01:12:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1073 transitions. [2021-03-26 01:12:16,114 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.44820384294068505 [2021-03-26 01:12:16,114 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1073 transitions. [2021-03-26 01:12:16,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1073 transitions. [2021-03-26 01:12:16,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 01:12:16,115 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1073 transitions. [2021-03-26 01:12:16,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 153.28571428571428) internal successors, (1073), 7 states have internal predecessors, (1073), 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) [2021-03-26 01:12:16,125 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 342.0) internal successors, (2736), 8 states have internal predecessors, (2736), 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) [2021-03-26 01:12:16,125 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 342.0) internal successors, (2736), 8 states have internal predecessors, (2736), 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) [2021-03-26 01:12:16,125 INFO L185 Difference]: Start difference. First operand has 24 places, 12 transitions, 47 flow. Second operand 7 states and 1073 transitions. [2021-03-26 01:12:16,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 11 transitions, 60 flow [2021-03-26 01:12:16,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 11 transitions, 40 flow, removed 1 selfloop flow, removed 9 redundant places. [2021-03-26 01:12:16,125 INFO L241 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2021-03-26 01:12:16,126 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=342, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=20, PETRI_TRANSITIONS=0} [2021-03-26 01:12:16,126 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -44 predicate places. [2021-03-26 01:12:16,126 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 01:12:16,126 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 0 transitions, 0 flow [2021-03-26 01:12:16,126 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 0 transitions, 0 flow [2021-03-26 01:12:16,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-26 01:12:16,126 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-26 01:12:16,126 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 01:12:16,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-03-26 01:12:16,126 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-26 01:12:16,126 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-26 01:12:16,126 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 01:12:16,126 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-26 01:12:16,127 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-26 01:12:16,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.11111111111111) internal successors, (1378), 9 states have internal predecessors, (1378), 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) [2021-03-26 01:12:16,127 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-26 01:12:16,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 01:12:16 BasicIcfg [2021-03-26 01:12:16,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 01:12:16,130 INFO L168 Benchmark]: Toolchain (without parser) took 184779.01 ms. Allocated memory was 333.4 MB in the beginning and 413.1 MB in the end (delta: 79.7 MB). Free memory was 295.2 MB in the beginning and 381.3 MB in the end (delta: -86.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 01:12:16,130 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 333.4 MB. Free memory was 315.1 MB in the beginning and 315.0 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 01:12:16,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.36 ms. Allocated memory is still 333.4 MB. Free memory was 295.0 MB in the beginning and 273.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.0 GB. [2021-03-26 01:12:16,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.89 ms. Allocated memory is still 333.4 MB. Free memory was 273.6 MB in the beginning and 269.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 01:12:16,130 INFO L168 Benchmark]: Boogie Preprocessor took 41.25 ms. Allocated memory is still 333.4 MB. Free memory was 269.5 MB in the beginning and 267.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 01:12:16,131 INFO L168 Benchmark]: RCFGBuilder took 626.68 ms. Allocated memory is still 333.4 MB. Free memory was 267.4 MB in the beginning and 219.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-26 01:12:16,131 INFO L168 Benchmark]: TraceAbstraction took 183083.80 ms. Allocated memory was 333.4 MB in the beginning and 413.1 MB in the end (delta: 79.7 MB). Free memory was 219.2 MB in the beginning and 381.3 MB in the end (delta: -162.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 01:12:16,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 333.4 MB. Free memory was 315.1 MB in the beginning and 315.0 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 963.36 ms. Allocated memory is still 333.4 MB. Free memory was 295.0 MB in the beginning and 273.6 MB in the end (delta: 21.4 MB). Peak memory consumption was 76.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.89 ms. Allocated memory is still 333.4 MB. Free memory was 273.6 MB in the beginning and 269.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 41.25 ms. Allocated memory is still 333.4 MB. Free memory was 269.5 MB in the beginning and 267.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 626.68 ms. Allocated memory is still 333.4 MB. Free memory was 267.4 MB in the beginning and 219.2 MB in the end (delta: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 183083.80 ms. Allocated memory was 333.4 MB in the beginning and 413.1 MB in the end (delta: 79.7 MB). Free memory was 219.2 MB in the beginning and 381.3 MB in the end (delta: -162.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 61334.2ms, 150 PlacesBefore, 64 PlacesAfterwards, 152 TransitionsBefore, 65 TransitionsAfterwards, 2288 CoEnabledTransitionPairs, 5 FixpointIterations, 67 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 115 TotalNumberOfCompositions, 3162 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1541, positive: 1461, positive conditional: 1461, positive unconditional: 0, negative: 80, negative conditional: 80, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1323, positive: 1288, positive conditional: 0, positive unconditional: 1288, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1323, positive: 1288, positive conditional: 0, positive unconditional: 1288, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1323, positive: 1285, positive conditional: 0, positive unconditional: 1285, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 16, unknown conditional: 0, unknown unconditional: 16] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57703, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 462, negative conditional: 0, negative unconditional: 462, unknown: 57231, unknown conditional: 0, unknown unconditional: 57231] ], Cache Queries: [ total: 1541, positive: 173, positive conditional: 173, positive unconditional: 0, negative: 45, negative conditional: 45, negative unconditional: 0, unknown: 1323, unknown conditional: 1323, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 20, Positive conditional cache size: 20, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 43973.8ms, 59 PlacesBefore, 34 PlacesAfterwards, 56 TransitionsBefore, 34 TransitionsAfterwards, 370 CoEnabledTransitionPairs, 5 FixpointIterations, 25 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 30 TotalNumberOfCompositions, 1956 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 482, positive: 349, positive conditional: 349, positive unconditional: 0, negative: 133, negative conditional: 133, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 114, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 114, positive: 95, positive conditional: 0, positive unconditional: 95, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 114, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31262, positive: 84, positive conditional: 0, positive unconditional: 84, negative: 304, negative conditional: 0, negative unconditional: 304, unknown: 30874, unknown conditional: 0, unknown unconditional: 30874] ], Cache Queries: [ total: 482, positive: 254, positive conditional: 254, positive unconditional: 0, negative: 114, negative conditional: 114, negative unconditional: 0, unknown: 114, unknown conditional: 114, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 87, Positive cache size: 52, Positive conditional cache size: 52, Positive unconditional cache size: 0, Negative cache size: 35, Negative conditional cache size: 35, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20593.3ms, 36 PlacesBefore, 34 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 266 CoEnabledTransitionPairs, 3 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1048 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 253, positive: 177, positive conditional: 177, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 6, positive unconditional: 9, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 6, positive unconditional: 9, negative: 8, negative conditional: 2, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 20185, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 452, negative conditional: 372, negative unconditional: 79, unknown: 19733, unknown conditional: 0, unknown unconditional: 19733] ], Cache Queries: [ total: 253, positive: 162, positive conditional: 162, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 64, Positive conditional cache size: 64, Positive unconditional cache size: 0, Negative cache size: 33, Negative conditional cache size: 33, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6613.1ms, 35 PlacesBefore, 35 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 277 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 52, positive conditional: 52, 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: 17, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 10, positive conditional: 1, positive unconditional: 9, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6600, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 6443, unknown conditional: 0, unknown unconditional: 6443] ], Cache Queries: [ total: 70, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 114, Positive cache size: 74, Positive conditional cache size: 74, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6785.1ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 786 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 232, positive: 194, positive conditional: 194, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 10, negative conditional: 4, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6623, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 259, negative conditional: 24, negative unconditional: 235, unknown: 6364, unknown conditional: 0, unknown unconditional: 6364] ], Cache Queries: [ total: 232, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 87, Positive conditional cache size: 87, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.4ms, 30 PlacesBefore, 29 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 140 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 67 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 20, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, 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: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 20, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 128, Positive cache size: 88, Positive conditional cache size: 88, Positive unconditional cache size: 0, Negative cache size: 40, Negative conditional cache size: 40, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2229.0ms, 42 PlacesBefore, 42 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 214 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 73 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 3, positive unconditional: 1, negative: 4, negative conditional: 1, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2214, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 86, negative conditional: 8, negative unconditional: 78, unknown: 2128, unknown conditional: 0, unknown unconditional: 2128] ], Cache Queries: [ total: 14, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 136, Positive cache size: 92, Positive conditional cache size: 92, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 109.9ms, 60 PlacesBefore, 57 PlacesAfterwards, 71 TransitionsBefore, 71 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 528 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 11, positive conditional: 6, positive unconditional: 5, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 6, negative conditional: 2, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 38, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 32, negative conditional: 15, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 139, Positive cache size: 98, Positive conditional cache size: 98, Positive unconditional cache size: 0, Negative cache size: 41, Negative conditional cache size: 41, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.2ms, 67 PlacesBefore, 67 PlacesAfterwards, 94 TransitionsBefore, 94 TransitionsAfterwards, 272 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 548 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 62, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 6, positive conditional: 4, positive unconditional: 2, 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: 9, positive: 6, positive conditional: 4, positive unconditional: 2, 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: 9, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 62, positive: 28, positive conditional: 28, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 104, Positive conditional cache size: 104, Positive unconditional cache size: 0, Negative cache size: 44, Negative conditional cache size: 44, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 640.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 24, negative conditional: 24, 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: 7, positive unconditional: 0, 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: 7, positive unconditional: 0, 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: 20, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 129, Positive cache size: 94, Positive conditional cache size: 94, Positive unconditional cache size: 0, Negative cache size: 35, Negative conditional cache size: 35, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 55.7ms, 80 PlacesBefore, 77 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 192 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 132, Positive cache size: 94, Positive conditional cache size: 94, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 166.6ms, 88 PlacesBefore, 88 PlacesAfterwards, 112 TransitionsBefore, 112 TransitionsAfterwards, 242 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 688 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 42, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 4, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 4, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 42, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.2ms, 98 PlacesBefore, 98 PlacesAfterwards, 120 TransitionsBefore, 120 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 315 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 83.4ms, 109 PlacesBefore, 105 PlacesAfterwards, 123 TransitionsBefore, 123 TransitionsAfterwards, 248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 228 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 101, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 58.1ms, 113 PlacesBefore, 110 PlacesAfterwards, 114 TransitionsBefore, 114 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 102, Positive cache size: 82, Positive conditional cache size: 82, Positive unconditional cache size: 0, Negative cache size: 20, Negative conditional cache size: 20, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 556.2ms, 85 PlacesBefore, 79 PlacesAfterwards, 53 TransitionsBefore, 51 TransitionsAfterwards, 66 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 73 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 26, positive conditional: 26, 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: 17, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 7, positive unconditional: 6, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 15, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 35, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 28, Positive conditional cache size: 28, Positive unconditional cache size: 0, Negative cache size: 16, Negative conditional cache size: 16, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14842.5ms, 81 PlacesBefore, 63 PlacesAfterwards, 34 TransitionsBefore, 32 TransitionsAfterwards, 30 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 75 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 10, positive conditional: 10, 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: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14307, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 14095, unknown conditional: 0, unknown unconditional: 14095] ], Cache Queries: [ total: 28, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 10, Negative conditional cache size: 10, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2348.9ms, 53 PlacesBefore, 53 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ 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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ 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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2342, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 106, negative conditional: 0, negative unconditional: 106, unknown: 2236, unknown conditional: 0, unknown unconditional: 2236] ], Cache Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 35, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 14, Negative conditional cache size: 14, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2401.9ms, 63 PlacesBefore, 60 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2395, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 109, negative conditional: 99, negative unconditional: 10, unknown: 2286, unknown conditional: 2286, unknown unconditional: 0] ], Cache Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 39, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 18, Negative conditional cache size: 18, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2770.9ms, 63 PlacesBefore, 55 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 12 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 32, positive: 12, positive conditional: 12, 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: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 4, negative conditional: 2, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2277, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 102, negative conditional: 93, negative unconditional: 9, unknown: 2175, unknown conditional: 2175, unknown unconditional: 0] ], Cache Queries: [ total: 32, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 21, Positive conditional cache size: 21, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 423.5ms, 56 PlacesBefore, 52 PlacesAfterwards, 33 TransitionsBefore, 32 TransitionsAfterwards, 4 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 7, Positive cache size: 2, Positive conditional cache size: 2, Positive unconditional cache size: 0, Negative cache size: 5, Negative conditional cache size: 5, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 68.7ms, 51 PlacesBefore, 50 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 1, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.3ms, 49 PlacesBefore, 48 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 1, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 790.2ms, 47 PlacesBefore, 35 PlacesAfterwards, 21 TransitionsBefore, 19 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 1, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 178.5ms, 32 PlacesBefore, 24 PlacesAfterwards, 13 TransitionsBefore, 12 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 1, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.4ms, 20 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1, Positive cache size: 1, Positive conditional cache size: 1, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 140 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 182984.0ms, OverallIterations: 25, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9946.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 61508.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 254 SDtfs, 411 SDslu, 328 SDs, 0 SdLazy, 4473 SolverSat, 381 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4606.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 26 SyntacticMatches, 24 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 304 ImplicationChecksByTransitivity, 5432.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1510occurred in iteration=13, InterpolantAutomatonStates: 182, 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: 90.1ms SsaConstructionTime, 537.7ms SatisfiabilityAnalysisTime, 4609.1ms InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 351 ConstructedInterpolants, 0 QuantifiedInterpolants, 7411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...