/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-RepeatedVariableLbe.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 [2021-03-25 05:28:52,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 05:28:52,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 05:28:52,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 05:28:52,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 05:28:52,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 05:28:52,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 05:28:52,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 05:28:52,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 05:28:52,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 05:28:52,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 05:28:52,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 05:28:52,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 05:28:52,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 05:28:52,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 05:28:52,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 05:28:52,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 05:28:52,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 05:28:52,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 05:28:52,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 05:28:52,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 05:28:52,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 05:28:52,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 05:28:52,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 05:28:52,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 05:28:52,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 05:28:52,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 05:28:52,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 05:28:52,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 05:28:52,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 05:28:52,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 05:28:52,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 05:28:52,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 05:28:52,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 05:28:52,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 05:28:52,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 05:28:52,299 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-RepeatedVariableLbe.epf [2021-03-25 05:28:52,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 05:28:52,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 05:28:52,314 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 05:28:52,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 05:28:52,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 05:28:52,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 05:28:52,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 05:28:52,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 05:28:52,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 05:28:52,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 05:28:52,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 05:28:52,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 05:28:52,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 05:28:52,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 05:28:52,544 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 05:28:52,545 INFO L432 ainManager$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 [2021-03-25 05:28:52,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4dd64a3/e2dff7cf71204b23a4c3e204d59b0b60/FLAG09900e55c [2021-03-25 05:28:53,075 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 05:28:53,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2021-03-25 05:28:53,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4dd64a3/e2dff7cf71204b23a4c3e204d59b0b60/FLAG09900e55c [2021-03-25 05:28:53,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea4dd64a3/e2dff7cf71204b23a4c3e204d59b0b60 [2021-03-25 05:28:53,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 05:28:53,326 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 05:28:53,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 05:28:53,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 05:28:53,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 05:28:53,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:28:53" (1/1) ... [2021-03-25 05:28:53,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7599fd4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:53, skipping insertion in model container [2021-03-25 05:28:53,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:28:53" (1/1) ... [2021-03-25 05:28:53,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 05:28:53,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 05:28:53,849 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] [2021-03-25 05:28:53,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:28:53,870 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 05:28:53,891 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] [2021-03-25 05:28:53,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:28:54,104 INFO L208 MainTranslator]: Completed translation [2021-03-25 05:28:54,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54 WrapperNode [2021-03-25 05:28:54,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 05:28:54,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 05:28:54,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 05:28:54,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 05:28:54,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 05:28:54,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 05:28:54,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 05:28:54,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 05:28:54,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (1/1) ... [2021-03-25 05:28:54,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 05:28:54,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 05:28:54,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 05:28:54,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 05:28:54,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (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 [2021-03-25 05:28:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 05:28:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-25 05:28:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-25 05:28:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-03-25 05:28:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 05:28:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 05:28:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2021-03-25 05:28:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2021-03-25 05:28:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 05:28:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 05:28:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 05:28:54,281 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 05:28:54,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 05:28:54,666 INFO L299 CfgBuilder]: Removed 24 assume(true) statements. [2021-03-25 05:28:54,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:28:54 BoogieIcfgContainer [2021-03-25 05:28:54,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 05:28:54,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 05:28:54,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 05:28:54,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 05:28:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:28:53" (1/3) ... [2021-03-25 05:28:54,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5408a439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:28:54, skipping insertion in model container [2021-03-25 05:28:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:28:54" (2/3) ... [2021-03-25 05:28:54,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5408a439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:28:54, skipping insertion in model container [2021-03-25 05:28:54,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:28:54" (3/3) ... [2021-03-25 05:28:54,671 INFO L111 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2021-03-25 05:28:54,675 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 05:28:54,677 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-03-25 05:28:54,678 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 05:28:54,697 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,697 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,697 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,698 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,699 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,700 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,701 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,702 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,703 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,704 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,705 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,706 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,707 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,708 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,708 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,708 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,708 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,710 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,711 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,711 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,711 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,714 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,715 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,719 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,720 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,720 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork0_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,723 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,723 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~data~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe my_callbackThread1of1ForFork1_~__mptr~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,724 WARN L313 ript$VariableManager]: TermVariabe |my_callbackThread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:28:54,734 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-25 05:28:54,747 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-03-25 05:28:54,773 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 05:28:54,774 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 05:28:54,774 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 05:28:54,774 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 05:28:54,774 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 05:28:54,774 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 05:28:54,774 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 05:28:54,774 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 05:28:54,787 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 350 flow [2021-03-25 05:28:54,849 INFO L129 PetriNetUnfolder]: 11/204 cut-off events. [2021-03-25 05:28:54,849 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:54,877 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. [2021-03-25 05:28:54,877 INFO L82 GeneralOperation]: Start removeDead. Operand has 160 places, 164 transitions, 350 flow [2021-03-25 05:28:54,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 150 places, 152 transitions, 322 flow [2021-03-25 05:28:54,881 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:54,886 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-25 05:28:54,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 152 transitions, 322 flow [2021-03-25 05:28:54,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 150 places, 152 transitions, 322 flow [2021-03-25 05:28:54,950 INFO L129 PetriNetUnfolder]: 8/185 cut-off events. [2021-03-25 05:28:54,950 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:54,950 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. [2021-03-25 05:28:54,953 INFO L142 LiptonReduction]: Number of co-enabled transitions 2288 [2021-03-25 05:28:57,285 INFO L154 LiptonReduction]: Checked pairs total: 3162 [2021-03-25 05:28:57,286 INFO L156 LiptonReduction]: Total number of compositions: 115 [2021-03-25 05:28:57,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2408 [2021-03-25 05:28:57,293 INFO L129 PetriNetUnfolder]: 0/8 cut-off events. [2021-03-25 05:28:57,293 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:28:57,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:28:57,293 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:28:57,293 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]=== [2021-03-25 05:28:57,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:28:57,297 INFO L82 PathProgramCache]: Analyzing trace with hash -399348905, now seen corresponding path program 1 times [2021-03-25 05:28:57,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:28:57,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362866424] [2021-03-25 05:28:57,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:28:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:28:57,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:57,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:28:57,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:28:57,529 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:28:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:28:57,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362866424] [2021-03-25 05:28:57,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:28:57,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:28:57,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632049572] [2021-03-25 05:28:57,575 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:28:57,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:28:57,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:28:57,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:28:57,588 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 279 [2021-03-25 05:28:57,593 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) [2021-03-25 05:28:57,593 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:28:57,593 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 279 [2021-03-25 05:28:57,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:28:57,617 INFO L129 PetriNetUnfolder]: 2/70 cut-off events. [2021-03-25 05:28:57,618 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:28:57,618 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. [2021-03-25 05:28:57,619 INFO L132 encePairwiseOnDemand]: 272/279 looper letters, 2 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2021-03-25 05:28:57,619 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 58 transitions, 142 flow [2021-03-25 05:28:57,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:28:57,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:28:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 729 transitions. [2021-03-25 05:28:57,632 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8709677419354839 [2021-03-25 05:28:57,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 729 transitions. [2021-03-25 05:28:57,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 729 transitions. [2021-03-25 05:28:57,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:28:57,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 729 transitions. [2021-03-25 05:28:57,641 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) [2021-03-25 05:28:57,647 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) [2021-03-25 05:28:57,648 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) [2021-03-25 05:28:57,649 INFO L185 Difference]: Start difference. First operand has 64 places, 65 transitions, 148 flow. Second operand 3 states and 729 transitions. [2021-03-25 05:28:57,650 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 58 transitions, 142 flow [2021-03-25 05:28:57,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 58 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 05:28:57,653 INFO L241 Difference]: Finished difference. Result has 59 places, 56 transitions, 122 flow [2021-03-25 05:28:57,654 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} [2021-03-25 05:28:57,654 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2021-03-25 05:28:57,654 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:28:57,655 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-25 05:28:57,655 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 56 transitions, 122 flow [2021-03-25 05:28:57,656 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 56 transitions, 122 flow [2021-03-25 05:28:57,668 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2021-03-25 05:28:57,668 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:28:57,669 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. [2021-03-25 05:28:57,670 INFO L142 LiptonReduction]: Number of co-enabled transitions 370 [2021-03-25 05:28:59,121 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-25 05:28:59,323 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-03-25 05:28:59,996 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-25 05:29:00,265 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-25 05:29:00,750 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 148 [2021-03-25 05:29:01,036 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2021-03-25 05:29:01,720 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-25 05:29:02,084 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-03-25 05:29:02,665 WARN L205 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 166 [2021-03-25 05:29:02,944 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-03-25 05:29:04,634 WARN L205 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-25 05:29:05,426 WARN L205 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-25 05:29:07,328 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 182 DAG size of output: 178 [2021-03-25 05:29:08,132 WARN L205 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-03-25 05:29:08,152 INFO L154 LiptonReduction]: Checked pairs total: 1956 [2021-03-25 05:29:08,152 INFO L156 LiptonReduction]: Total number of compositions: 30 [2021-03-25 05:29:08,152 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10498 [2021-03-25 05:29:08,153 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 80 flow [2021-03-25 05:29:08,153 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) [2021-03-25 05:29:08,153 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:08,153 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:08,153 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 05:29:08,153 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]=== [2021-03-25 05:29:08,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:08,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1522193569, now seen corresponding path program 1 times [2021-03-25 05:29:08,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:08,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832140386] [2021-03-25 05:29:08,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:08,259 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:08,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:29:08,263 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,264 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:29:08,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:08,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832140386] [2021-03-25 05:29:08,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:08,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:29:08,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116405546] [2021-03-25 05:29:08,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:29:08,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:08,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:29:08,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:29:08,270 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 309 [2021-03-25 05:29:08,271 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) [2021-03-25 05:29:08,271 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:08,271 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 309 [2021-03-25 05:29:08,271 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:08,361 INFO L129 PetriNetUnfolder]: 170/357 cut-off events. [2021-03-25 05:29:08,361 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:08,362 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. [2021-03-25 05:29:08,364 INFO L132 encePairwiseOnDemand]: 298/309 looper letters, 21 selfloop transitions, 10 changer transitions 1/43 dead transitions. [2021-03-25 05:29:08,364 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 160 flow [2021-03-25 05:29:08,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:29:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:29:08,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 681 transitions. [2021-03-25 05:29:08,367 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5509708737864077 [2021-03-25 05:29:08,367 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 681 transitions. [2021-03-25 05:29:08,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 681 transitions. [2021-03-25 05:29:08,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:08,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 681 transitions. [2021-03-25 05:29:08,368 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) [2021-03-25 05:29:08,370 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) [2021-03-25 05:29:08,370 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) [2021-03-25 05:29:08,370 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 80 flow. Second operand 4 states and 681 transitions. [2021-03-25 05:29:08,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 160 flow [2021-03-25 05:29:08,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 43 transitions, 156 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 05:29:08,372 INFO L241 Difference]: Finished difference. Result has 36 places, 36 transitions, 109 flow [2021-03-25 05:29:08,372 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} [2021-03-25 05:29:08,372 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -28 predicate places. [2021-03-25 05:29:08,372 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:08,372 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-25 05:29:08,373 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 36 transitions, 109 flow [2021-03-25 05:29:08,373 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 36 transitions, 109 flow [2021-03-25 05:29:08,377 INFO L129 PetriNetUnfolder]: 4/60 cut-off events. [2021-03-25 05:29:08,378 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:08,379 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. [2021-03-25 05:29:08,380 INFO L142 LiptonReduction]: Number of co-enabled transitions 266 [2021-03-25 05:29:08,655 INFO L154 LiptonReduction]: Checked pairs total: 1048 [2021-03-25 05:29:08,655 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:29:08,655 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 283 [2021-03-25 05:29:08,656 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 34 transitions, 105 flow [2021-03-25 05:29:08,656 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) [2021-03-25 05:29:08,656 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:08,656 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-25 05:29:08,657 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 05:29:08,657 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]=== [2021-03-25 05:29:08,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:08,657 INFO L82 PathProgramCache]: Analyzing trace with hash 16956485, now seen corresponding path program 1 times [2021-03-25 05:29:08,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:08,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267598097] [2021-03-25 05:29:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:08,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:08,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:08,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:29:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:08,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267598097] [2021-03-25 05:29:08,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:08,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:29:08,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156785840] [2021-03-25 05:29:08,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:29:08,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:08,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:29:08,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:29:08,742 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-25 05:29:08,742 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) [2021-03-25 05:29:08,743 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:08,743 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-25 05:29:08,743 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:08,830 INFO L129 PetriNetUnfolder]: 241/490 cut-off events. [2021-03-25 05:29:08,830 INFO L130 PetriNetUnfolder]: For 87/91 co-relation queries the response was YES. [2021-03-25 05:29:08,831 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. [2021-03-25 05:29:08,833 INFO L132 encePairwiseOnDemand]: 305/312 looper letters, 25 selfloop transitions, 7 changer transitions 0/43 dead transitions. [2021-03-25 05:29:08,833 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 43 transitions, 191 flow [2021-03-25 05:29:08,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:29:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:29:08,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2021-03-25 05:29:08,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6282051282051282 [2021-03-25 05:29:08,835 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 588 transitions. [2021-03-25 05:29:08,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 588 transitions. [2021-03-25 05:29:08,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:08,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 588 transitions. [2021-03-25 05:29:08,836 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) [2021-03-25 05:29:08,839 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) [2021-03-25 05:29:08,839 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) [2021-03-25 05:29:08,839 INFO L185 Difference]: Start difference. First operand has 34 places, 34 transitions, 105 flow. Second operand 3 states and 588 transitions. [2021-03-25 05:29:08,839 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 43 transitions, 191 flow [2021-03-25 05:29:08,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 43 transitions, 174 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 05:29:08,843 INFO L241 Difference]: Finished difference. Result has 35 places, 38 transitions, 131 flow [2021-03-25 05:29:08,843 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} [2021-03-25 05:29:08,843 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -29 predicate places. [2021-03-25 05:29:08,843 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:08,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-25 05:29:08,844 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 38 transitions, 131 flow [2021-03-25 05:29:08,844 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 38 transitions, 131 flow [2021-03-25 05:29:08,872 INFO L129 PetriNetUnfolder]: 31/140 cut-off events. [2021-03-25 05:29:08,873 INFO L130 PetriNetUnfolder]: For 32/34 co-relation queries the response was YES. [2021-03-25 05:29:08,873 INFO L84 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 140 events. 31/140 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 671 event pairs, 12 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 74. Up to 54 conditions per place. [2021-03-25 05:29:08,873 INFO L142 LiptonReduction]: Number of co-enabled transitions 292 [2021-03-25 05:29:08,877 INFO L154 LiptonReduction]: Checked pairs total: 224 [2021-03-25 05:29:08,877 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:08,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-25 05:29:08,881 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 131 flow [2021-03-25 05:29:08,881 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) [2021-03-25 05:29:08,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:08,881 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-25 05:29:08,881 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 05:29:08,882 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]=== [2021-03-25 05:29:08,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:08,882 INFO L82 PathProgramCache]: Analyzing trace with hash 525646286, now seen corresponding path program 1 times [2021-03-25 05:29:08,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:08,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743989963] [2021-03-25 05:29:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:08,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,921 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:08,921 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:08,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:29:08,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:08,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743989963] [2021-03-25 05:29:08,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:08,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:29:08,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678037222] [2021-03-25 05:29:08,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:29:08,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:08,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:29:08,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:29:08,926 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 186 out of 312 [2021-03-25 05:29:08,927 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) [2021-03-25 05:29:08,927 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:08,927 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 186 of 312 [2021-03-25 05:29:08,927 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:09,047 INFO L129 PetriNetUnfolder]: 268/540 cut-off events. [2021-03-25 05:29:09,048 INFO L130 PetriNetUnfolder]: For 258/266 co-relation queries the response was YES. [2021-03-25 05:29:09,048 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 2880 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. [2021-03-25 05:29:09,050 INFO L132 encePairwiseOnDemand]: 306/312 looper letters, 27 selfloop transitions, 9 changer transitions 3/50 dead transitions. [2021-03-25 05:29:09,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 50 transitions, 259 flow [2021-03-25 05:29:09,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:29:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:29:09,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 587 transitions. [2021-03-25 05:29:09,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6271367521367521 [2021-03-25 05:29:09,052 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 587 transitions. [2021-03-25 05:29:09,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 587 transitions. [2021-03-25 05:29:09,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:09,052 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 587 transitions. [2021-03-25 05:29:09,053 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) [2021-03-25 05:29:09,054 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) [2021-03-25 05:29:09,055 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) [2021-03-25 05:29:09,055 INFO L185 Difference]: Start difference. First operand has 35 places, 38 transitions, 131 flow. Second operand 3 states and 587 transitions. [2021-03-25 05:29:09,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 50 transitions, 259 flow [2021-03-25 05:29:09,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 50 transitions, 244 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-03-25 05:29:09,057 INFO L241 Difference]: Finished difference. Result has 37 places, 43 transitions, 187 flow [2021-03-25 05:29:09,057 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} [2021-03-25 05:29:09,057 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -27 predicate places. [2021-03-25 05:29:09,057 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:09,057 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 05:29:09,058 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 43 transitions, 187 flow [2021-03-25 05:29:09,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 43 transitions, 187 flow [2021-03-25 05:29:09,085 INFO L129 PetriNetUnfolder]: 74/217 cut-off events. [2021-03-25 05:29:09,085 INFO L130 PetriNetUnfolder]: For 124/124 co-relation queries the response was YES. [2021-03-25 05:29:09,085 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 217 events. 74/217 cut-off events. For 124/124 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1147 event pairs, 23 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 187. Up to 114 conditions per place. [2021-03-25 05:29:09,086 INFO L142 LiptonReduction]: Number of co-enabled transitions 312 [2021-03-25 05:29:09,240 INFO L154 LiptonReduction]: Checked pairs total: 852 [2021-03-25 05:29:09,241 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:29:09,241 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 184 [2021-03-25 05:29:09,241 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 42 transitions, 185 flow [2021-03-25 05:29:09,241 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) [2021-03-25 05:29:09,242 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:09,242 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:09,242 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 05:29:09,242 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]=== [2021-03-25 05:29:09,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:09,242 INFO L82 PathProgramCache]: Analyzing trace with hash 209800846, now seen corresponding path program 1 times [2021-03-25 05:29:09,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:09,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482305699] [2021-03-25 05:29:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:09,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:09,276 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:09,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:09,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:29:09,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:09,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:09,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:09,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482305699] [2021-03-25 05:29:09,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:09,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:29:09,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289511474] [2021-03-25 05:29:09,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:29:09,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:09,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:29:09,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:29:09,284 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 257 out of 314 [2021-03-25 05:29:09,285 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) [2021-03-25 05:29:09,285 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:09,285 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 257 of 314 [2021-03-25 05:29:09,285 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:09,301 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 05:29:09,301 INFO L130 PetriNetUnfolder]: For 38/47 co-relation queries the response was YES. [2021-03-25 05:29:09,301 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. [2021-03-25 05:29:09,301 INFO L132 encePairwiseOnDemand]: 312/314 looper letters, 1 selfloop transitions, 1 changer transitions 0/25 dead transitions. [2021-03-25 05:29:09,301 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 86 flow [2021-03-25 05:29:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:29:09,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:29:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 774 transitions. [2021-03-25 05:29:09,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.821656050955414 [2021-03-25 05:29:09,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 774 transitions. [2021-03-25 05:29:09,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 774 transitions. [2021-03-25 05:29:09,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:09,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 774 transitions. [2021-03-25 05:29:09,304 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) [2021-03-25 05:29:09,305 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) [2021-03-25 05:29:09,306 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) [2021-03-25 05:29:09,306 INFO L185 Difference]: Start difference. First operand has 36 places, 42 transitions, 185 flow. Second operand 3 states and 774 transitions. [2021-03-25 05:29:09,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 86 flow [2021-03-25 05:29:09,307 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 25 transitions, 78 flow, removed 4 selfloop flow, removed 1 redundant places. [2021-03-25 05:29:09,308 INFO L241 Difference]: Finished difference. Result has 30 places, 25 transitions, 76 flow [2021-03-25 05:29:09,308 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} [2021-03-25 05:29:09,308 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -34 predicate places. [2021-03-25 05:29:09,308 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:09,308 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 05:29:09,309 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 25 transitions, 76 flow [2021-03-25 05:29:09,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 25 transitions, 76 flow [2021-03-25 05:29:09,312 INFO L129 PetriNetUnfolder]: 6/48 cut-off events. [2021-03-25 05:29:09,312 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-03-25 05:29:09,313 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. [2021-03-25 05:29:09,313 INFO L142 LiptonReduction]: Number of co-enabled transitions 140 [2021-03-25 05:29:09,314 INFO L154 LiptonReduction]: Checked pairs total: 67 [2021-03-25 05:29:09,314 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:09,314 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-25 05:29:09,317 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 76 flow [2021-03-25 05:29:09,317 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) [2021-03-25 05:29:09,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:09,318 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] [2021-03-25 05:29:09,318 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 05:29:09,318 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]=== [2021-03-25 05:29:09,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:09,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1186329291, now seen corresponding path program 1 times [2021-03-25 05:29:09,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:09,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845339441] [2021-03-25 05:29:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:09,462 INFO L142 QuantifierPusher]: treesize reduction 18, result has 50.0 percent of original size [2021-03-25 05:29:09,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:29:09,470 INFO L142 QuantifierPusher]: treesize reduction 18, result has 48.6 percent of original size [2021-03-25 05:29:09,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:09,482 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-03-25 05:29:09,482 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:29:09,494 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-25 05:29:09,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:09,509 INFO L142 QuantifierPusher]: treesize reduction 28, result has 57.6 percent of original size [2021-03-25 05:29:09,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 05:29:09,516 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-25 05:29:09,517 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:09,521 INFO L142 QuantifierPusher]: treesize reduction 42, result has 54.3 percent of original size [2021-03-25 05:29:09,522 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 05:29:09,547 INFO L142 QuantifierPusher]: treesize reduction 42, result has 56.7 percent of original size [2021-03-25 05:29:09,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:29:09,579 INFO L142 QuantifierPusher]: treesize reduction 42, result has 62.2 percent of original size [2021-03-25 05:29:09,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-03-25 05:29:09,596 INFO L142 QuantifierPusher]: treesize reduction 42, result has 56.7 percent of original size [2021-03-25 05:29:09,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:29:09,600 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-25 05:29:09,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:09,621 INFO L142 QuantifierPusher]: treesize reduction 28, result has 52.5 percent of original size [2021-03-25 05:29:09,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:09,623 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:09,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:09,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845339441] [2021-03-25 05:29:09,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:09,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:29:09,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683689043] [2021-03-25 05:29:09,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:09,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:09,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:09,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:09,626 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 314 [2021-03-25 05:29:09,627 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) [2021-03-25 05:29:09,627 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:09,627 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 314 [2021-03-25 05:29:09,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:10,022 INFO L129 PetriNetUnfolder]: 201/460 cut-off events. [2021-03-25 05:29:10,023 INFO L130 PetriNetUnfolder]: For 154/154 co-relation queries the response was YES. [2021-03-25 05:29:10,023 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1091 conditions, 460 events. 201/460 cut-off events. For 154/154 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2253 event pairs, 41 based on Foata normal form. 0/458 useless extension candidates. Maximal degree in co-relation 573. Up to 132 conditions per place. [2021-03-25 05:29:10,025 INFO L132 encePairwiseOnDemand]: 305/314 looper letters, 53 selfloop transitions, 15 changer transitions 0/72 dead transitions. [2021-03-25 05:29:10,025 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 72 transitions, 350 flow [2021-03-25 05:29:10,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1228 transitions. [2021-03-25 05:29:10,027 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4888535031847134 [2021-03-25 05:29:10,027 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1228 transitions. [2021-03-25 05:29:10,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1228 transitions. [2021-03-25 05:29:10,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:10,028 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1228 transitions. [2021-03-25 05:29:10,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 153.5) internal successors, (1228), 8 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:10,033 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 314.0) internal successors, (2826), 9 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:10,033 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 314.0) internal successors, (2826), 9 states have internal predecessors, (2826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:10,033 INFO L185 Difference]: Start difference. First operand has 29 places, 25 transitions, 76 flow. Second operand 8 states and 1228 transitions. [2021-03-25 05:29:10,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 72 transitions, 350 flow [2021-03-25 05:29:10,034 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 72 transitions, 349 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 05:29:10,035 INFO L241 Difference]: Finished difference. Result has 39 places, 36 transitions, 168 flow [2021-03-25 05:29:10,035 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=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=168, PETRI_PLACES=39, PETRI_TRANSITIONS=36} [2021-03-25 05:29:10,035 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -25 predicate places. [2021-03-25 05:29:10,035 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:10,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 36 transitions, 168 flow [2021-03-25 05:29:10,035 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 36 transitions, 168 flow [2021-03-25 05:29:10,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 36 transitions, 168 flow [2021-03-25 05:29:10,047 INFO L129 PetriNetUnfolder]: 22/138 cut-off events. [2021-03-25 05:29:10,047 INFO L130 PetriNetUnfolder]: For 60/66 co-relation queries the response was YES. [2021-03-25 05:29:10,048 INFO L84 FinitePrefix]: Finished finitePrefix Result has 270 conditions, 138 events. 22/138 cut-off events. For 60/66 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 715 event pairs, 10 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 171. Up to 40 conditions per place. [2021-03-25 05:29:10,048 INFO L142 LiptonReduction]: Number of co-enabled transitions 176 [2021-03-25 05:29:10,147 INFO L154 LiptonReduction]: Checked pairs total: 140 [2021-03-25 05:29:10,148 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:10,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 113 [2021-03-25 05:29:10,149 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 170 flow [2021-03-25 05:29:10,150 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) [2021-03-25 05:29:10,150 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:10,150 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] [2021-03-25 05:29:10,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 05:29:10,154 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]=== [2021-03-25 05:29:10,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:10,154 INFO L82 PathProgramCache]: Analyzing trace with hash 494028282, now seen corresponding path program 1 times [2021-03-25 05:29:10,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:10,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513278319] [2021-03-25 05:29:10,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:10,362 INFO L142 QuantifierPusher]: treesize reduction 18, result has 64.7 percent of original size [2021-03-25 05:29:10,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:10,372 INFO L142 QuantifierPusher]: treesize reduction 18, result has 58.1 percent of original size [2021-03-25 05:29:10,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:10,384 INFO L142 QuantifierPusher]: treesize reduction 53, result has 49.5 percent of original size [2021-03-25 05:29:10,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-25 05:29:10,418 INFO L142 QuantifierPusher]: treesize reduction 53, result has 47.0 percent of original size [2021-03-25 05:29:10,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:29:10,429 INFO L142 QuantifierPusher]: treesize reduction 53, result has 43.6 percent of original size [2021-03-25 05:29:10,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:10,463 INFO L142 QuantifierPusher]: treesize reduction 53, result has 51.4 percent of original size [2021-03-25 05:29:10,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 05:29:10,501 INFO L142 QuantifierPusher]: treesize reduction 15, result has 68.1 percent of original size [2021-03-25 05:29:10,502 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:10,519 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 05:29:10,519 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:10,536 INFO L142 QuantifierPusher]: treesize reduction 15, result has 67.4 percent of original size [2021-03-25 05:29:10,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:10,537 INFO L142 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-03-25 05:29:10,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:10,556 INFO L142 QuantifierPusher]: treesize reduction 27, result has 54.2 percent of original size [2021-03-25 05:29:10,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:10,567 INFO L142 QuantifierPusher]: treesize reduction 46, result has 39.5 percent of original size [2021-03-25 05:29:10,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:10,595 INFO L142 QuantifierPusher]: treesize reduction 27, result has 46.0 percent of original size [2021-03-25 05:29:10,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:10,611 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:10,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:10,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:10,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513278319] [2021-03-25 05:29:10,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:10,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:29:10,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178855780] [2021-03-25 05:29:10,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:29:10,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:10,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:29:10,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:29:10,630 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 315 [2021-03-25 05:29:10,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 170 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) [2021-03-25 05:29:10,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:10,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 315 [2021-03-25 05:29:10,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:11,316 INFO L129 PetriNetUnfolder]: 293/700 cut-off events. [2021-03-25 05:29:11,316 INFO L130 PetriNetUnfolder]: For 651/651 co-relation queries the response was YES. [2021-03-25 05:29:11,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1925 conditions, 700 events. 293/700 cut-off events. For 651/651 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4103 event pairs, 52 based on Foata normal form. 1/693 useless extension candidates. Maximal degree in co-relation 821. Up to 368 conditions per place. [2021-03-25 05:29:11,319 INFO L132 encePairwiseOnDemand]: 302/315 looper letters, 63 selfloop transitions, 26 changer transitions 14/107 dead transitions. [2021-03-25 05:29:11,319 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 107 transitions, 685 flow [2021-03-25 05:29:11,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:29:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:29:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1654 transitions. [2021-03-25 05:29:11,322 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47734487734487735 [2021-03-25 05:29:11,323 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1654 transitions. [2021-03-25 05:29:11,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1654 transitions. [2021-03-25 05:29:11,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:11,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1654 transitions. [2021-03-25 05:29:11,325 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 150.36363636363637) internal successors, (1654), 11 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 315.0) internal successors, (3780), 12 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,329 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 315.0) internal successors, (3780), 12 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,329 INFO L185 Difference]: Start difference. First operand has 39 places, 36 transitions, 170 flow. Second operand 11 states and 1654 transitions. [2021-03-25 05:29:11,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 107 transitions, 685 flow [2021-03-25 05:29:11,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 107 transitions, 662 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 05:29:11,352 INFO L241 Difference]: Finished difference. Result has 56 places, 59 transitions, 419 flow [2021-03-25 05:29:11,353 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=419, PETRI_PLACES=56, PETRI_TRANSITIONS=59} [2021-03-25 05:29:11,353 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -8 predicate places. [2021-03-25 05:29:11,353 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:11,353 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 59 transitions, 419 flow [2021-03-25 05:29:11,353 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 59 transitions, 419 flow [2021-03-25 05:29:11,354 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 59 transitions, 419 flow [2021-03-25 05:29:11,371 INFO L129 PetriNetUnfolder]: 52/262 cut-off events. [2021-03-25 05:29:11,371 INFO L130 PetriNetUnfolder]: For 424/446 co-relation queries the response was YES. [2021-03-25 05:29:11,371 INFO L84 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 262 events. 52/262 cut-off events. For 424/446 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1692 event pairs, 8 based on Foata normal form. 4/249 useless extension candidates. Maximal degree in co-relation 719. Up to 80 conditions per place. [2021-03-25 05:29:11,373 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-25 05:29:11,378 INFO L154 LiptonReduction]: Checked pairs total: 210 [2021-03-25 05:29:11,378 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:11,379 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 26 [2021-03-25 05:29:11,379 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 59 transitions, 419 flow [2021-03-25 05:29:11,379 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) [2021-03-25 05:29:11,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:11,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:11,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 05:29:11,380 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]=== [2021-03-25 05:29:11,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:11,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1862051787, now seen corresponding path program 1 times [2021-03-25 05:29:11,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:11,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215464629] [2021-03-25 05:29:11,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:11,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,428 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:29:11,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:29:11,435 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,435 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:11,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,440 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:29:11,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:11,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215464629] [2021-03-25 05:29:11,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:11,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:29:11,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689059306] [2021-03-25 05:29:11,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:29:11,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:29:11,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:29:11,447 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 315 [2021-03-25 05:29:11,447 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 59 transitions, 419 flow. Second operand has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,447 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:11,448 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 315 [2021-03-25 05:29:11,448 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:11,569 INFO L129 PetriNetUnfolder]: 204/576 cut-off events. [2021-03-25 05:29:11,570 INFO L130 PetriNetUnfolder]: For 1600/1620 co-relation queries the response was YES. [2021-03-25 05:29:11,571 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2171 conditions, 576 events. 204/576 cut-off events. For 1600/1620 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3688 event pairs, 95 based on Foata normal form. 26/590 useless extension candidates. Maximal degree in co-relation 2149. Up to 345 conditions per place. [2021-03-25 05:29:11,573 INFO L132 encePairwiseOnDemand]: 307/315 looper letters, 60 selfloop transitions, 17 changer transitions 0/87 dead transitions. [2021-03-25 05:29:11,573 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 87 transitions, 816 flow [2021-03-25 05:29:11,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:29:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:29:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1169 transitions. [2021-03-25 05:29:11,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6185185185185185 [2021-03-25 05:29:11,575 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1169 transitions. [2021-03-25 05:29:11,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1169 transitions. [2021-03-25 05:29:11,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:11,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1169 transitions. [2021-03-25 05:29:11,577 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.83333333333334) internal successors, (1169), 6 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,579 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 315.0) internal successors, (2205), 7 states have internal predecessors, (2205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,580 INFO L185 Difference]: Start difference. First operand has 53 places, 59 transitions, 419 flow. Second operand 6 states and 1169 transitions. [2021-03-25 05:29:11,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 87 transitions, 816 flow [2021-03-25 05:29:11,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 87 transitions, 770 flow, removed 23 selfloop flow, removed 3 redundant places. [2021-03-25 05:29:11,585 INFO L241 Difference]: Finished difference. Result has 59 places, 70 transitions, 556 flow [2021-03-25 05:29:11,585 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=556, PETRI_PLACES=59, PETRI_TRANSITIONS=70} [2021-03-25 05:29:11,585 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -5 predicate places. [2021-03-25 05:29:11,585 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:11,585 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 70 transitions, 556 flow [2021-03-25 05:29:11,585 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 70 transitions, 556 flow [2021-03-25 05:29:11,586 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 70 transitions, 556 flow [2021-03-25 05:29:11,604 INFO L129 PetriNetUnfolder]: 72/340 cut-off events. [2021-03-25 05:29:11,604 INFO L130 PetriNetUnfolder]: For 675/690 co-relation queries the response was YES. [2021-03-25 05:29:11,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 340 events. 72/340 cut-off events. For 675/690 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 2314 event pairs, 10 based on Foata normal form. 6/333 useless extension candidates. Maximal degree in co-relation 714. Up to 103 conditions per place. [2021-03-25 05:29:11,606 INFO L142 LiptonReduction]: Number of co-enabled transitions 222 [2021-03-25 05:29:11,615 INFO L154 LiptonReduction]: Checked pairs total: 252 [2021-03-25 05:29:11,615 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:11,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-03-25 05:29:11,615 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 70 transitions, 556 flow [2021-03-25 05:29:11,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 191.8) internal successors, (959), 5 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,616 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:11,616 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] [2021-03-25 05:29:11,616 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 05:29:11,616 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]=== [2021-03-25 05:29:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:11,616 INFO L82 PathProgramCache]: Analyzing trace with hash -566991472, now seen corresponding path program 2 times [2021-03-25 05:29:11,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:11,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541344094] [2021-03-25 05:29:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:11,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:29:11,685 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 05:29:11,693 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 05:29:11,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:11,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:11,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:11,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541344094] [2021-03-25 05:29:11,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:11,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:29:11,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485480609] [2021-03-25 05:29:11,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:29:11,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:11,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:29:11,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:29:11,697 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 315 [2021-03-25 05:29:11,698 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 70 transitions, 556 flow. Second operand has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,698 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:11,698 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 315 [2021-03-25 05:29:11,698 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:11,754 INFO L129 PetriNetUnfolder]: 128/493 cut-off events. [2021-03-25 05:29:11,754 INFO L130 PetriNetUnfolder]: For 982/1009 co-relation queries the response was YES. [2021-03-25 05:29:11,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 493 events. 128/493 cut-off events. For 982/1009 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 3513 event pairs, 12 based on Foata normal form. 28/500 useless extension candidates. Maximal degree in co-relation 1498. Up to 146 conditions per place. [2021-03-25 05:29:11,757 INFO L132 encePairwiseOnDemand]: 309/315 looper letters, 31 selfloop transitions, 5 changer transitions 0/76 dead transitions. [2021-03-25 05:29:11,757 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 76 transitions, 653 flow [2021-03-25 05:29:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:29:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:29:11,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 988 transitions. [2021-03-25 05:29:11,759 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7841269841269841 [2021-03-25 05:29:11,759 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 988 transitions. [2021-03-25 05:29:11,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 988 transitions. [2021-03-25 05:29:11,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:11,759 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 988 transitions. [2021-03-25 05:29:11,761 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) [2021-03-25 05:29:11,763 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) [2021-03-25 05:29:11,763 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) [2021-03-25 05:29:11,763 INFO L185 Difference]: Start difference. First operand has 59 places, 70 transitions, 556 flow. Second operand 4 states and 988 transitions. [2021-03-25 05:29:11,763 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 76 transitions, 653 flow [2021-03-25 05:29:11,766 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 76 transitions, 613 flow, removed 20 selfloop flow, removed 1 redundant places. [2021-03-25 05:29:11,767 INFO L241 Difference]: Finished difference. Result has 61 places, 69 transitions, 509 flow [2021-03-25 05:29:11,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=509, PETRI_PLACES=61, PETRI_TRANSITIONS=69} [2021-03-25 05:29:11,768 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -3 predicate places. [2021-03-25 05:29:11,768 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:11,768 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 69 transitions, 509 flow [2021-03-25 05:29:11,768 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 69 transitions, 509 flow [2021-03-25 05:29:11,768 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 69 transitions, 509 flow [2021-03-25 05:29:11,791 INFO L129 PetriNetUnfolder]: 93/407 cut-off events. [2021-03-25 05:29:11,791 INFO L130 PetriNetUnfolder]: For 600/607 co-relation queries the response was YES. [2021-03-25 05:29:11,792 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 407 events. 93/407 cut-off events. For 600/607 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2908 event pairs, 11 based on Foata normal form. 5/398 useless extension candidates. Maximal degree in co-relation 1062. Up to 119 conditions per place. [2021-03-25 05:29:11,794 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-25 05:29:11,808 INFO L154 LiptonReduction]: Checked pairs total: 213 [2021-03-25 05:29:11,808 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:11,808 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-03-25 05:29:11,808 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 69 transitions, 509 flow [2021-03-25 05:29:11,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:11,809 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:11,809 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] [2021-03-25 05:29:11,809 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 05:29:11,809 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]=== [2021-03-25 05:29:11,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:11,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2021907906, now seen corresponding path program 3 times [2021-03-25 05:29:11,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:11,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441352245] [2021-03-25 05:29:11,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:11,907 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 05:29:11,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:11,917 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 05:29:11,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:11,926 INFO L142 QuantifierPusher]: treesize reduction 27, result has 59.1 percent of original size [2021-03-25 05:29:11,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:11,940 INFO L142 QuantifierPusher]: treesize reduction 27, result has 58.5 percent of original size [2021-03-25 05:29:11,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 05:29:11,956 INFO L142 QuantifierPusher]: treesize reduction 27, result has 55.0 percent of original size [2021-03-25 05:29:11,957 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:11,964 INFO L142 QuantifierPusher]: treesize reduction 27, result has 50.0 percent of original size [2021-03-25 05:29:11,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:11,980 INFO L142 QuantifierPusher]: treesize reduction 27, result has 60.9 percent of original size [2021-03-25 05:29:11,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:12,000 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-25 05:29:12,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:12,018 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:12,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:12,035 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:12,036 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:12,046 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:12,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:12,077 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 05:29:12,077 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:12,093 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:12,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:12,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441352245] [2021-03-25 05:29:12,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:12,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:29:12,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647048214] [2021-03-25 05:29:12,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:29:12,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:12,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:29:12,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:29:12,110 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 315 [2021-03-25 05:29:12,111 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 69 transitions, 509 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) [2021-03-25 05:29:12,111 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:12,111 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 315 [2021-03-25 05:29:12,111 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:12,753 INFO L129 PetriNetUnfolder]: 414/1044 cut-off events. [2021-03-25 05:29:12,753 INFO L130 PetriNetUnfolder]: For 2551/2567 co-relation queries the response was YES. [2021-03-25 05:29:12,756 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4161 conditions, 1044 events. 414/1044 cut-off events. For 2551/2567 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 7094 event pairs, 138 based on Foata normal form. 5/1032 useless extension candidates. Maximal degree in co-relation 4043. Up to 628 conditions per place. [2021-03-25 05:29:12,759 INFO L132 encePairwiseOnDemand]: 304/315 looper letters, 79 selfloop transitions, 37 changer transitions 21/141 dead transitions. [2021-03-25 05:29:12,759 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 141 transitions, 1284 flow [2021-03-25 05:29:12,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:29:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:29:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1644 transitions. [2021-03-25 05:29:12,763 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.47445887445887447 [2021-03-25 05:29:12,763 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1644 transitions. [2021-03-25 05:29:12,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1644 transitions. [2021-03-25 05:29:12,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:12,764 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1644 transitions. [2021-03-25 05:29:12,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 149.45454545454547) internal successors, (1644), 11 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:12,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 315.0) internal successors, (3780), 12 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:12,769 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 315.0) internal successors, (3780), 12 states have internal predecessors, (3780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:12,769 INFO L185 Difference]: Start difference. First operand has 61 places, 69 transitions, 509 flow. Second operand 11 states and 1644 transitions. [2021-03-25 05:29:12,770 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 141 transitions, 1284 flow [2021-03-25 05:29:12,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 1240 flow, removed 12 selfloop flow, removed 2 redundant places. [2021-03-25 05:29:12,778 INFO L241 Difference]: Finished difference. Result has 76 places, 93 transitions, 840 flow [2021-03-25 05:29:12,779 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=315, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=840, PETRI_PLACES=76, PETRI_TRANSITIONS=93} [2021-03-25 05:29:12,779 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 12 predicate places. [2021-03-25 05:29:12,779 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:12,779 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 93 transitions, 840 flow [2021-03-25 05:29:12,779 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 93 transitions, 840 flow [2021-03-25 05:29:12,780 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 93 transitions, 840 flow [2021-03-25 05:29:12,813 INFO L129 PetriNetUnfolder]: 128/536 cut-off events. [2021-03-25 05:29:12,813 INFO L130 PetriNetUnfolder]: For 1295/1321 co-relation queries the response was YES. [2021-03-25 05:29:12,814 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1869 conditions, 536 events. 128/536 cut-off events. For 1295/1321 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4056 event pairs, 5 based on Foata normal form. 14/528 useless extension candidates. Maximal degree in co-relation 1839. Up to 157 conditions per place. [2021-03-25 05:29:12,817 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-25 05:29:12,872 INFO L154 LiptonReduction]: Checked pairs total: 653 [2021-03-25 05:29:12,872 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:12,872 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 93 [2021-03-25 05:29:12,872 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 93 transitions, 843 flow [2021-03-25 05:29:12,873 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) [2021-03-25 05:29:12,873 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:12,873 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] [2021-03-25 05:29:12,873 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 05:29:12,873 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]=== [2021-03-25 05:29:12,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:12,874 INFO L82 PathProgramCache]: Analyzing trace with hash -133193498, now seen corresponding path program 4 times [2021-03-25 05:29:12,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:12,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523418897] [2021-03-25 05:29:12,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:12,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:12,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:29:12,924 INFO L142 QuantifierPusher]: treesize reduction 13, result has 74.0 percent of original size [2021-03-25 05:29:12,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:29:12,947 INFO L142 QuantifierPusher]: treesize reduction 9, result has 59.1 percent of original size [2021-03-25 05:29:12,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:12,948 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:12,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:12,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:12,948 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523418897] [2021-03-25 05:29:12,948 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:12,948 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:29:12,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691446323] [2021-03-25 05:29:12,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:29:12,949 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:12,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:29:12,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:29:12,950 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 316 [2021-03-25 05:29:12,951 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 93 transitions, 843 flow. Second operand has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:12,951 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:12,951 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 316 [2021-03-25 05:29:12,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:12,989 INFO L129 PetriNetUnfolder]: 16/141 cut-off events. [2021-03-25 05:29:12,989 INFO L130 PetriNetUnfolder]: For 529/534 co-relation queries the response was YES. [2021-03-25 05:29:12,990 INFO L84 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 141 events. 16/141 cut-off events. For 529/534 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 680 event pairs, 1 based on Foata normal form. 18/157 useless extension candidates. Maximal degree in co-relation 535. Up to 33 conditions per place. [2021-03-25 05:29:12,990 INFO L132 encePairwiseOnDemand]: 312/316 looper letters, 15 selfloop transitions, 5 changer transitions 3/54 dead transitions. [2021-03-25 05:29:12,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 54 transitions, 461 flow [2021-03-25 05:29:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:29:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:29:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 983 transitions. [2021-03-25 05:29:12,992 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7776898734177216 [2021-03-25 05:29:12,992 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 983 transitions. [2021-03-25 05:29:12,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 983 transitions. [2021-03-25 05:29:12,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:12,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 983 transitions. [2021-03-25 05:29:12,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 245.75) internal successors, (983), 4 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:12,995 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:13,005 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 316.0) internal successors, (1580), 5 states have internal predecessors, (1580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:13,005 INFO L185 Difference]: Start difference. First operand has 73 places, 93 transitions, 843 flow. Second operand 4 states and 983 transitions. [2021-03-25 05:29:13,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 54 transitions, 461 flow [2021-03-25 05:29:13,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 54 transitions, 388 flow, removed 25 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:13,008 INFO L241 Difference]: Finished difference. Result has 66 places, 51 transitions, 332 flow [2021-03-25 05:29:13,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=316, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=332, PETRI_PLACES=66, PETRI_TRANSITIONS=51} [2021-03-25 05:29:13,008 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 2 predicate places. [2021-03-25 05:29:13,008 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:13,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 51 transitions, 332 flow [2021-03-25 05:29:13,008 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 51 transitions, 332 flow [2021-03-25 05:29:13,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 51 transitions, 332 flow [2021-03-25 05:29:13,016 INFO L129 PetriNetUnfolder]: 15/123 cut-off events. [2021-03-25 05:29:13,016 INFO L130 PetriNetUnfolder]: For 200/203 co-relation queries the response was YES. [2021-03-25 05:29:13,017 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 123 events. 15/123 cut-off events. For 200/203 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 548 event pairs, 1 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 253. Up to 27 conditions per place. [2021-03-25 05:29:13,017 INFO L142 LiptonReduction]: Number of co-enabled transitions 112 [2021-03-25 05:29:13,580 INFO L154 LiptonReduction]: Checked pairs total: 266 [2021-03-25 05:29:13,580 INFO L156 LiptonReduction]: Total number of compositions: 8 [2021-03-25 05:29:13,580 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 572 [2021-03-25 05:29:13,580 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 49 transitions, 356 flow [2021-03-25 05:29:13,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 245.25) internal successors, (981), 4 states have internal predecessors, (981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:13,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:13,581 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] [2021-03-25 05:29:13,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 05:29:13,581 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]=== [2021-03-25 05:29:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:13,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1771233770, now seen corresponding path program 5 times [2021-03-25 05:29:13,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:13,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731305345] [2021-03-25 05:29:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:13,680 INFO L142 QuantifierPusher]: treesize reduction 20, result has 67.2 percent of original size [2021-03-25 05:29:13,680 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-25 05:29:13,696 INFO L142 QuantifierPusher]: treesize reduction 20, result has 62.3 percent of original size [2021-03-25 05:29:13,697 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:13,718 INFO L142 QuantifierPusher]: treesize reduction 47, result has 55.2 percent of original size [2021-03-25 05:29:13,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-03-25 05:29:13,754 INFO L142 QuantifierPusher]: treesize reduction 47, result has 53.0 percent of original size [2021-03-25 05:29:13,755 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 05:29:13,761 INFO L142 QuantifierPusher]: treesize reduction 47, result has 50.0 percent of original size [2021-03-25 05:29:13,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-03-25 05:29:13,798 INFO L142 QuantifierPusher]: treesize reduction 47, result has 49.5 percent of original size [2021-03-25 05:29:13,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-03-25 05:29:13,833 INFO L142 QuantifierPusher]: treesize reduction 47, result has 56.5 percent of original size [2021-03-25 05:29:13,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-03-25 05:29:13,873 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-03-25 05:29:13,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:13,889 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:13,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:13,906 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:13,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:13,916 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:13,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:13,928 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:13,928 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:13,957 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 05:29:13,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:13,991 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:13,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:14,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731305345] [2021-03-25 05:29:14,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:14,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-25 05:29:14,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525680426] [2021-03-25 05:29:14,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-25 05:29:14,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:14,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-25 05:29:14,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2021-03-25 05:29:14,008 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 324 [2021-03-25 05:29:14,009 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 356 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) [2021-03-25 05:29:14,009 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:14,009 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 324 [2021-03-25 05:29:14,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:14,775 INFO L129 PetriNetUnfolder]: 57/194 cut-off events. [2021-03-25 05:29:14,775 INFO L130 PetriNetUnfolder]: For 610/614 co-relation queries the response was YES. [2021-03-25 05:29:14,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 801 conditions, 194 events. 57/194 cut-off events. For 610/614 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 880 event pairs, 19 based on Foata normal form. 1/192 useless extension candidates. Maximal degree in co-relation 688. Up to 120 conditions per place. [2021-03-25 05:29:14,776 INFO L132 encePairwiseOnDemand]: 312/324 looper letters, 46 selfloop transitions, 6 changer transitions 17/73 dead transitions. [2021-03-25 05:29:14,776 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 73 transitions, 638 flow [2021-03-25 05:29:14,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1485 transitions. [2021-03-25 05:29:14,780 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4583333333333333 [2021-03-25 05:29:14,780 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1485 transitions. [2021-03-25 05:29:14,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1485 transitions. [2021-03-25 05:29:14,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:14,781 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1485 transitions. [2021-03-25 05:29:14,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.5) internal successors, (1485), 10 states have internal predecessors, (1485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:14,786 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 324.0) internal successors, (3564), 11 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:14,787 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 324.0) internal successors, (3564), 11 states have internal predecessors, (3564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:14,787 INFO L185 Difference]: Start difference. First operand has 60 places, 49 transitions, 356 flow. Second operand 10 states and 1485 transitions. [2021-03-25 05:29:14,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 73 transitions, 638 flow [2021-03-25 05:29:14,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 73 transitions, 592 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:14,790 INFO L241 Difference]: Finished difference. Result has 69 places, 47 transitions, 330 flow [2021-03-25 05:29:14,790 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=324, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=330, PETRI_PLACES=69, PETRI_TRANSITIONS=47} [2021-03-25 05:29:14,790 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 5 predicate places. [2021-03-25 05:29:14,790 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:14,791 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 47 transitions, 330 flow [2021-03-25 05:29:14,791 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 47 transitions, 330 flow [2021-03-25 05:29:14,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 47 transitions, 330 flow [2021-03-25 05:29:14,798 INFO L129 PetriNetUnfolder]: 12/105 cut-off events. [2021-03-25 05:29:14,799 INFO L130 PetriNetUnfolder]: For 195/199 co-relation queries the response was YES. [2021-03-25 05:29:14,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 356 conditions, 105 events. 12/105 cut-off events. For 195/199 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 456 event pairs, 1 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 330. Up to 24 conditions per place. [2021-03-25 05:29:14,799 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-25 05:29:14,976 INFO L154 LiptonReduction]: Checked pairs total: 149 [2021-03-25 05:29:14,976 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:29:14,976 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 186 [2021-03-25 05:29:14,977 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 46 transitions, 330 flow [2021-03-25 05:29:14,977 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) [2021-03-25 05:29:14,977 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:14,977 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:14,977 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 05:29:14,977 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]=== [2021-03-25 05:29:14,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:14,978 INFO L82 PathProgramCache]: Analyzing trace with hash 819551852, now seen corresponding path program 1 times [2021-03-25 05:29:14,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:14,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377218688] [2021-03-25 05:29:14,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:15,054 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-03-25 05:29:15,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:15,063 INFO L142 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size [2021-03-25 05:29:15,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:15,073 INFO L142 QuantifierPusher]: treesize reduction 30, result has 56.5 percent of original size [2021-03-25 05:29:15,073 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:15,087 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 05:29:15,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:15,092 INFO L142 QuantifierPusher]: treesize reduction 30, result has 48.3 percent of original size [2021-03-25 05:29:15,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:29:15,106 INFO L142 QuantifierPusher]: treesize reduction 21, result has 62.5 percent of original size [2021-03-25 05:29:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:29:15,120 INFO L142 QuantifierPusher]: treesize reduction 25, result has 56.9 percent of original size [2021-03-25 05:29:15,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:15,136 INFO L142 QuantifierPusher]: treesize reduction 26, result has 55.2 percent of original size [2021-03-25 05:29:15,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:15,156 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:15,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:15,167 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:15,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:15,168 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:15,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:15,197 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:15,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:15,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377218688] [2021-03-25 05:29:15,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:15,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:15,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175333555] [2021-03-25 05:29:15,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:15,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:15,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:15,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:15,213 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 327 [2021-03-25 05:29:15,214 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 46 transitions, 330 flow. Second operand has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,214 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:15,214 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 327 [2021-03-25 05:29:15,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:15,660 INFO L129 PetriNetUnfolder]: 45/160 cut-off events. [2021-03-25 05:29:15,660 INFO L130 PetriNetUnfolder]: For 423/428 co-relation queries the response was YES. [2021-03-25 05:29:15,660 INFO L84 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 160 events. 45/160 cut-off events. For 423/428 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 680 event pairs, 11 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 657. Up to 77 conditions per place. [2021-03-25 05:29:15,661 INFO L132 encePairwiseOnDemand]: 312/327 looper letters, 47 selfloop transitions, 16 changer transitions 2/69 dead transitions. [2021-03-25 05:29:15,661 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 69 transitions, 580 flow [2021-03-25 05:29:15,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:15,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1484 transitions. [2021-03-25 05:29:15,664 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45382262996941897 [2021-03-25 05:29:15,664 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1484 transitions. [2021-03-25 05:29:15,664 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1484 transitions. [2021-03-25 05:29:15,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:15,664 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1484 transitions. [2021-03-25 05:29:15,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.4) internal successors, (1484), 10 states have internal predecessors, (1484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,669 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,670 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,670 INFO L185 Difference]: Start difference. First operand has 62 places, 46 transitions, 330 flow. Second operand 10 states and 1484 transitions. [2021-03-25 05:29:15,670 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 69 transitions, 580 flow [2021-03-25 05:29:15,671 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 69 transitions, 548 flow, removed 11 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:15,672 INFO L241 Difference]: Finished difference. Result has 65 places, 51 transitions, 382 flow [2021-03-25 05:29:15,672 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=382, PETRI_PLACES=65, PETRI_TRANSITIONS=51} [2021-03-25 05:29:15,673 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 1 predicate places. [2021-03-25 05:29:15,673 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:15,673 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 51 transitions, 382 flow [2021-03-25 05:29:15,673 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 51 transitions, 382 flow [2021-03-25 05:29:15,673 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 51 transitions, 382 flow [2021-03-25 05:29:15,680 INFO L129 PetriNetUnfolder]: 14/102 cut-off events. [2021-03-25 05:29:15,680 INFO L130 PetriNetUnfolder]: For 201/205 co-relation queries the response was YES. [2021-03-25 05:29:15,681 INFO L84 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 102 events. 14/102 cut-off events. For 201/205 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 444 event pairs, 1 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 313. Up to 23 conditions per place. [2021-03-25 05:29:15,681 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-25 05:29:15,682 INFO L154 LiptonReduction]: Checked pairs total: 47 [2021-03-25 05:29:15,682 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:15,682 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 05:29:15,683 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 51 transitions, 382 flow [2021-03-25 05:29:15,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.45454545454547) internal successors, (1589), 11 states have internal predecessors, (1589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,683 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:15,683 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:15,683 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 05:29:15,683 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]=== [2021-03-25 05:29:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:15,684 INFO L82 PathProgramCache]: Analyzing trace with hash -1094126696, now seen corresponding path program 1 times [2021-03-25 05:29:15,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:15,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461997317] [2021-03-25 05:29:15,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:15,746 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 05:29:15,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:15,756 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 05:29:15,756 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:15,765 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-25 05:29:15,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:15,777 INFO L142 QuantifierPusher]: treesize reduction 21, result has 65.0 percent of original size [2021-03-25 05:29:15,777 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:29:15,802 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.1 percent of original size [2021-03-25 05:29:15,803 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:15,829 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-25 05:29:15,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:15,844 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:15,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:15,862 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:15,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:15,873 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:15,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:15,897 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:15,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:15,910 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:15,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:15,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461997317] [2021-03-25 05:29:15,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:15,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:15,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389119671] [2021-03-25 05:29:15,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:15,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:15,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:15,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:15,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 327 [2021-03-25 05:29:15,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 51 transitions, 382 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:15,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:15,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 327 [2021-03-25 05:29:15,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:16,330 INFO L129 PetriNetUnfolder]: 44/154 cut-off events. [2021-03-25 05:29:16,331 INFO L130 PetriNetUnfolder]: For 475/478 co-relation queries the response was YES. [2021-03-25 05:29:16,331 INFO L84 FinitePrefix]: Finished finitePrefix Result has 690 conditions, 154 events. 44/154 cut-off events. For 475/478 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 630 event pairs, 20 based on Foata normal form. 1/152 useless extension candidates. Maximal degree in co-relation 619. Up to 114 conditions per place. [2021-03-25 05:29:16,332 INFO L132 encePairwiseOnDemand]: 316/327 looper letters, 39 selfloop transitions, 10 changer transitions 9/62 dead transitions. [2021-03-25 05:29:16,332 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 62 transitions, 572 flow [2021-03-25 05:29:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1476 transitions. [2021-03-25 05:29:16,335 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45137614678899085 [2021-03-25 05:29:16,335 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1476 transitions. [2021-03-25 05:29:16,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1476 transitions. [2021-03-25 05:29:16,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:16,336 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1476 transitions. [2021-03-25 05:29:16,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 147.6) internal successors, (1476), 10 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,340 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,341 INFO L185 Difference]: Start difference. First operand has 65 places, 51 transitions, 382 flow. Second operand 10 states and 1476 transitions. [2021-03-25 05:29:16,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 62 transitions, 572 flow [2021-03-25 05:29:16,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 62 transitions, 534 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-03-25 05:29:16,343 INFO L241 Difference]: Finished difference. Result has 72 places, 50 transitions, 377 flow [2021-03-25 05:29:16,343 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=347, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=377, PETRI_PLACES=72, PETRI_TRANSITIONS=50} [2021-03-25 05:29:16,343 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-25 05:29:16,343 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:16,343 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 50 transitions, 377 flow [2021-03-25 05:29:16,343 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 50 transitions, 377 flow [2021-03-25 05:29:16,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 50 transitions, 377 flow [2021-03-25 05:29:16,351 INFO L129 PetriNetUnfolder]: 13/89 cut-off events. [2021-03-25 05:29:16,351 INFO L130 PetriNetUnfolder]: For 165/169 co-relation queries the response was YES. [2021-03-25 05:29:16,351 INFO L84 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 89 events. 13/89 cut-off events. For 165/169 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 350 event pairs, 0 based on Foata normal form. 1/89 useless extension candidates. Maximal degree in co-relation 284. Up to 21 conditions per place. [2021-03-25 05:29:16,352 INFO L142 LiptonReduction]: Number of co-enabled transitions 86 [2021-03-25 05:29:16,353 INFO L154 LiptonReduction]: Checked pairs total: 54 [2021-03-25 05:29:16,353 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:16,353 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 05:29:16,353 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 50 transitions, 377 flow [2021-03-25 05:29:16,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,354 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:16,354 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:16,354 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 05:29:16,354 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]=== [2021-03-25 05:29:16,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:16,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1366064879, now seen corresponding path program 1 times [2021-03-25 05:29:16,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:16,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168419537] [2021-03-25 05:29:16,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:16,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:16,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:29:16,400 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:29:16,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:16,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:29:16,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:16,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:16,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168419537] [2021-03-25 05:29:16,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:16,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:29:16,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297734505] [2021-03-25 05:29:16,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:29:16,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:16,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:29:16,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:29:16,421 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 327 [2021-03-25 05:29:16,422 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 50 transitions, 377 flow. Second operand has 6 states, 6 states have (on average 160.5) internal successors, (963), 6 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,422 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:16,422 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 327 [2021-03-25 05:29:16,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:16,607 INFO L129 PetriNetUnfolder]: 49/156 cut-off events. [2021-03-25 05:29:16,608 INFO L130 PetriNetUnfolder]: For 442/442 co-relation queries the response was YES. [2021-03-25 05:29:16,608 INFO L84 FinitePrefix]: Finished finitePrefix Result has 716 conditions, 156 events. 49/156 cut-off events. For 442/442 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 585 event pairs, 24 based on Foata normal form. 5/160 useless extension candidates. Maximal degree in co-relation 632. Up to 106 conditions per place. [2021-03-25 05:29:16,609 INFO L132 encePairwiseOnDemand]: 319/327 looper letters, 46 selfloop transitions, 19 changer transitions 0/67 dead transitions. [2021-03-25 05:29:16,609 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 67 transitions, 642 flow [2021-03-25 05:29:16,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1317 transitions. [2021-03-25 05:29:16,611 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5034403669724771 [2021-03-25 05:29:16,611 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1317 transitions. [2021-03-25 05:29:16,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1317 transitions. [2021-03-25 05:29:16,612 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:16,612 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1317 transitions. [2021-03-25 05:29:16,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 164.625) internal successors, (1317), 8 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) [2021-03-25 05:29:16,616 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,616 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 327.0) internal successors, (2943), 9 states have internal predecessors, (2943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,616 INFO L185 Difference]: Start difference. First operand has 65 places, 50 transitions, 377 flow. Second operand 8 states and 1317 transitions. [2021-03-25 05:29:16,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 67 transitions, 642 flow [2021-03-25 05:29:16,618 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 601 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:16,619 INFO L241 Difference]: Finished difference. Result has 70 places, 54 transitions, 452 flow [2021-03-25 05:29:16,619 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=452, PETRI_PLACES=70, PETRI_TRANSITIONS=54} [2021-03-25 05:29:16,619 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 6 predicate places. [2021-03-25 05:29:16,619 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:16,619 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 54 transitions, 452 flow [2021-03-25 05:29:16,619 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 54 transitions, 452 flow [2021-03-25 05:29:16,620 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 54 transitions, 452 flow [2021-03-25 05:29:16,626 INFO L129 PetriNetUnfolder]: 14/95 cut-off events. [2021-03-25 05:29:16,627 INFO L130 PetriNetUnfolder]: For 236/241 co-relation queries the response was YES. [2021-03-25 05:29:16,627 INFO L84 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 95 events. 14/95 cut-off events. For 236/241 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 387 event pairs, 0 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 320. Up to 20 conditions per place. [2021-03-25 05:29:16,627 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-25 05:29:16,629 INFO L154 LiptonReduction]: Checked pairs total: 46 [2021-03-25 05:29:16,629 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:16,629 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 05:29:16,631 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 54 transitions, 452 flow [2021-03-25 05:29:16,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 160.5) internal successors, (963), 6 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,632 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:16,632 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:16,632 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 05:29:16,632 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]=== [2021-03-25 05:29:16,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:16,632 INFO L82 PathProgramCache]: Analyzing trace with hash 771722908, now seen corresponding path program 1 times [2021-03-25 05:29:16,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:16,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858440447] [2021-03-25 05:29:16,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:16,706 INFO L142 QuantifierPusher]: treesize reduction 15, result has 69.4 percent of original size [2021-03-25 05:29:16,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:16,715 INFO L142 QuantifierPusher]: treesize reduction 15, result has 63.4 percent of original size [2021-03-25 05:29:16,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:16,725 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-25 05:29:16,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:16,735 INFO L142 QuantifierPusher]: treesize reduction 24, result has 64.7 percent of original size [2021-03-25 05:29:16,736 INFO L147 QuantifierPusher]: treesize reduction 6, result has 86.4 percent of original size 38 [2021-03-25 05:29:16,762 INFO L142 QuantifierPusher]: treesize reduction 24, result has 61.9 percent of original size [2021-03-25 05:29:16,763 INFO L147 QuantifierPusher]: treesize reduction 6, result has 84.6 percent of original size 33 [2021-03-25 05:29:16,770 INFO L142 QuantifierPusher]: treesize reduction 24, result has 57.9 percent of original size [2021-03-25 05:29:16,770 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:16,796 INFO L142 QuantifierPusher]: treesize reduction 21, result has 61.8 percent of original size [2021-03-25 05:29:16,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:16,812 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:16,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:16,830 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:16,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:16,832 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:16,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:16,860 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:16,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:16,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858440447] [2021-03-25 05:29:16,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:16,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:16,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755302905] [2021-03-25 05:29:16,876 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:16,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:16,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:16,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:16,877 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 327 [2021-03-25 05:29:16,878 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 54 transitions, 452 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:16,878 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:16,878 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 327 [2021-03-25 05:29:16,878 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:17,304 INFO L129 PetriNetUnfolder]: 39/138 cut-off events. [2021-03-25 05:29:17,304 INFO L130 PetriNetUnfolder]: For 476/478 co-relation queries the response was YES. [2021-03-25 05:29:17,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 658 conditions, 138 events. 39/138 cut-off events. For 476/478 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 539 event pairs, 15 based on Foata normal form. 1/136 useless extension candidates. Maximal degree in co-relation 581. Up to 88 conditions per place. [2021-03-25 05:29:17,305 INFO L132 encePairwiseOnDemand]: 313/327 looper letters, 36 selfloop transitions, 9 changer transitions 18/67 dead transitions. [2021-03-25 05:29:17,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 67 transitions, 656 flow [2021-03-25 05:29:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:17,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1480 transitions. [2021-03-25 05:29:17,308 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4525993883792049 [2021-03-25 05:29:17,308 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1480 transitions. [2021-03-25 05:29:17,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1480 transitions. [2021-03-25 05:29:17,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:17,309 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1480 transitions. [2021-03-25 05:29:17,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 148.0) internal successors, (1480), 10 states have internal predecessors, (1480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,313 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,313 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 327.0) internal successors, (3597), 11 states have internal predecessors, (3597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,313 INFO L185 Difference]: Start difference. First operand has 70 places, 54 transitions, 452 flow. Second operand 10 states and 1480 transitions. [2021-03-25 05:29:17,313 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 67 transitions, 656 flow [2021-03-25 05:29:17,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 67 transitions, 623 flow, removed 9 selfloop flow, removed 2 redundant places. [2021-03-25 05:29:17,316 INFO L241 Difference]: Finished difference. Result has 82 places, 47 transitions, 388 flow [2021-03-25 05:29:17,316 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=418, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=388, PETRI_PLACES=82, PETRI_TRANSITIONS=47} [2021-03-25 05:29:17,316 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 18 predicate places. [2021-03-25 05:29:17,316 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:17,317 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 47 transitions, 388 flow [2021-03-25 05:29:17,317 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 47 transitions, 388 flow [2021-03-25 05:29:17,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 47 transitions, 388 flow [2021-03-25 05:29:17,322 INFO L129 PetriNetUnfolder]: 11/75 cut-off events. [2021-03-25 05:29:17,322 INFO L130 PetriNetUnfolder]: For 202/208 co-relation queries the response was YES. [2021-03-25 05:29:17,323 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 75 events. 11/75 cut-off events. For 202/208 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 254 event pairs, 0 based on Foata normal form. 2/76 useless extension candidates. Maximal degree in co-relation 245. Up to 14 conditions per place. [2021-03-25 05:29:17,323 INFO L142 LiptonReduction]: Number of co-enabled transitions 58 [2021-03-25 05:29:17,324 INFO L154 LiptonReduction]: Checked pairs total: 34 [2021-03-25 05:29:17,324 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:17,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8 [2021-03-25 05:29:17,324 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 47 transitions, 388 flow [2021-03-25 05:29:17,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:17,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:17,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 05:29:17,325 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]=== [2021-03-25 05:29:17,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:17,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2017089353, now seen corresponding path program 1 times [2021-03-25 05:29:17,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:17,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168599339] [2021-03-25 05:29:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:17,366 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:17,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:17,375 INFO L142 QuantifierPusher]: treesize reduction 14, result has 51.7 percent of original size [2021-03-25 05:29:17,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:29:17,382 INFO L142 QuantifierPusher]: treesize reduction 14, result has 50.0 percent of original size [2021-03-25 05:29:17,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:29:17,389 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 05:29:17,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:17,400 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-25 05:29:17,400 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:17,405 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:17,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:17,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168599339] [2021-03-25 05:29:17,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:17,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:29:17,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545562227] [2021-03-25 05:29:17,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:29:17,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:17,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:29:17,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:29:17,416 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 327 [2021-03-25 05:29:17,416 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 47 transitions, 388 flow. Second operand has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,416 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:17,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 327 [2021-03-25 05:29:17,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:17,596 INFO L129 PetriNetUnfolder]: 37/134 cut-off events. [2021-03-25 05:29:17,596 INFO L130 PetriNetUnfolder]: For 487/487 co-relation queries the response was YES. [2021-03-25 05:29:17,596 INFO L84 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 134 events. 37/134 cut-off events. For 487/487 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 518 event pairs, 6 based on Foata normal form. 1/134 useless extension candidates. Maximal degree in co-relation 566. Up to 55 conditions per place. [2021-03-25 05:29:17,597 INFO L132 encePairwiseOnDemand]: 319/327 looper letters, 36 selfloop transitions, 14 changer transitions 5/60 dead transitions. [2021-03-25 05:29:17,597 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 60 transitions, 571 flow [2021-03-25 05:29:17,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:29:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:29:17,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 958 transitions. [2021-03-25 05:29:17,599 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.48827726809378186 [2021-03-25 05:29:17,599 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 958 transitions. [2021-03-25 05:29:17,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 958 transitions. [2021-03-25 05:29:17,600 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:17,600 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 958 transitions. [2021-03-25 05:29:17,601 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 159.66666666666666) internal successors, (958), 6 states have internal predecessors, (958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,603 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 327.0) internal successors, (2289), 7 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,603 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 327.0) internal successors, (2289), 7 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,603 INFO L185 Difference]: Start difference. First operand has 74 places, 47 transitions, 388 flow. Second operand 6 states and 958 transitions. [2021-03-25 05:29:17,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 60 transitions, 571 flow [2021-03-25 05:29:17,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 60 transitions, 507 flow, removed 16 selfloop flow, removed 10 redundant places. [2021-03-25 05:29:17,606 INFO L241 Difference]: Finished difference. Result has 71 places, 48 transitions, 381 flow [2021-03-25 05:29:17,606 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=381, PETRI_PLACES=71, PETRI_TRANSITIONS=48} [2021-03-25 05:29:17,606 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 7 predicate places. [2021-03-25 05:29:17,606 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:17,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 48 transitions, 381 flow [2021-03-25 05:29:17,606 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 48 transitions, 381 flow [2021-03-25 05:29:17,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 71 places, 48 transitions, 381 flow [2021-03-25 05:29:17,614 INFO L129 PetriNetUnfolder]: 11/84 cut-off events. [2021-03-25 05:29:17,614 INFO L130 PetriNetUnfolder]: For 206/210 co-relation queries the response was YES. [2021-03-25 05:29:17,614 INFO L84 FinitePrefix]: Finished finitePrefix Result has 304 conditions, 84 events. 11/84 cut-off events. For 206/210 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 304 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 249. Up to 13 conditions per place. [2021-03-25 05:29:17,615 INFO L142 LiptonReduction]: Number of co-enabled transitions 50 [2021-03-25 05:29:17,616 INFO L154 LiptonReduction]: Checked pairs total: 30 [2021-03-25 05:29:17,616 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:17,616 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 05:29:17,616 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 48 transitions, 381 flow [2021-03-25 05:29:17,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:17,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:17,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 05:29:17,617 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]=== [2021-03-25 05:29:17,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:17,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1424695765, now seen corresponding path program 2 times [2021-03-25 05:29:17,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:17,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862864382] [2021-03-25 05:29:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:17,664 INFO L142 QuantifierPusher]: treesize reduction 13, result has 56.7 percent of original size [2021-03-25 05:29:17,664 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:17,671 INFO L142 QuantifierPusher]: treesize reduction 17, result has 46.9 percent of original size [2021-03-25 05:29:17,673 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:29:17,681 INFO L142 QuantifierPusher]: treesize reduction 17, result has 58.5 percent of original size [2021-03-25 05:29:17,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 05:29:17,692 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 05:29:17,692 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:17,703 INFO L142 QuantifierPusher]: treesize reduction 14, result has 62.2 percent of original size [2021-03-25 05:29:17,704 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:17,704 INFO L142 QuantifierPusher]: treesize reduction 14, result has 68.2 percent of original size [2021-03-25 05:29:17,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:17,710 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:17,711 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:17,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862864382] [2021-03-25 05:29:17,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:17,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:29:17,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539158183] [2021-03-25 05:29:17,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:29:17,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:17,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:29:17,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:29:17,722 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 327 [2021-03-25 05:29:17,722 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 48 transitions, 381 flow. Second operand has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,722 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:17,723 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 327 [2021-03-25 05:29:17,723 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:17,879 INFO L129 PetriNetUnfolder]: 29/122 cut-off events. [2021-03-25 05:29:17,880 INFO L130 PetriNetUnfolder]: For 446/448 co-relation queries the response was YES. [2021-03-25 05:29:17,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 122 events. 29/122 cut-off events. For 446/448 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 454 event pairs, 6 based on Foata normal form. 1/122 useless extension candidates. Maximal degree in co-relation 462. Up to 44 conditions per place. [2021-03-25 05:29:17,880 INFO L132 encePairwiseOnDemand]: 319/327 looper letters, 32 selfloop transitions, 16 changer transitions 3/56 dead transitions. [2021-03-25 05:29:17,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 56 transitions, 540 flow [2021-03-25 05:29:17,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:29:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:29:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 953 transitions. [2021-03-25 05:29:17,882 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4857288481141692 [2021-03-25 05:29:17,882 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 953 transitions. [2021-03-25 05:29:17,882 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 953 transitions. [2021-03-25 05:29:17,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:17,883 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 953 transitions. [2021-03-25 05:29:17,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 158.83333333333334) internal successors, (953), 6 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,885 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 327.0) internal successors, (2289), 7 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,885 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 327.0) internal successors, (2289), 7 states have internal predecessors, (2289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:17,885 INFO L185 Difference]: Start difference. First operand has 71 places, 48 transitions, 381 flow. Second operand 6 states and 953 transitions. [2021-03-25 05:29:17,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 56 transitions, 540 flow [2021-03-25 05:29:17,887 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 56 transitions, 505 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:17,888 INFO L241 Difference]: Finished difference. Result has 72 places, 48 transitions, 401 flow [2021-03-25 05:29:17,888 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=327, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=401, PETRI_PLACES=72, PETRI_TRANSITIONS=48} [2021-03-25 05:29:17,888 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-25 05:29:17,888 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:17,888 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 48 transitions, 401 flow [2021-03-25 05:29:17,888 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 48 transitions, 401 flow [2021-03-25 05:29:17,888 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 48 transitions, 401 flow [2021-03-25 05:29:17,894 INFO L129 PetriNetUnfolder]: 9/79 cut-off events. [2021-03-25 05:29:17,894 INFO L130 PetriNetUnfolder]: For 227/229 co-relation queries the response was YES. [2021-03-25 05:29:17,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 309 conditions, 79 events. 9/79 cut-off events. For 227/229 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 268 event pairs, 0 based on Foata normal form. 0/78 useless extension candidates. Maximal degree in co-relation 270. Up to 12 conditions per place. [2021-03-25 05:29:17,895 INFO L142 LiptonReduction]: Number of co-enabled transitions 36 [2021-03-25 05:29:18,056 INFO L154 LiptonReduction]: Checked pairs total: 35 [2021-03-25 05:29:18,056 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:29:18,057 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-03-25 05:29:18,057 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 47 transitions, 403 flow [2021-03-25 05:29:18,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 155.14285714285714) internal successors, (1086), 7 states have internal predecessors, (1086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,057 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:18,057 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:18,057 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 05:29:18,057 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]=== [2021-03-25 05:29:18,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:18,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1047710609, now seen corresponding path program 1 times [2021-03-25 05:29:18,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:18,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642046012] [2021-03-25 05:29:18,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:18,121 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 05:29:18,122 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-25 05:29:18,139 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 05:29:18,139 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:18,156 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-25 05:29:18,158 INFO L147 QuantifierPusher]: treesize reduction 6, result has 89.8 percent of original size 53 [2021-03-25 05:29:18,196 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-25 05:29:18,197 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-25 05:29:18,233 INFO L142 QuantifierPusher]: treesize reduction 38, result has 57.8 percent of original size [2021-03-25 05:29:18,234 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.5 percent of original size 46 [2021-03-25 05:29:18,270 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-25 05:29:18,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:18,285 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:18,286 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:18,302 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:18,303 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:18,312 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:18,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:18,338 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:18,338 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:18,352 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:18,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:18,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642046012] [2021-03-25 05:29:18,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:18,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:18,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007430439] [2021-03-25 05:29:18,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:18,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:18,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:18,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:18,354 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 330 [2021-03-25 05:29:18,355 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 47 transitions, 403 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,355 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:18,355 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 330 [2021-03-25 05:29:18,355 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:18,761 INFO L129 PetriNetUnfolder]: 23/102 cut-off events. [2021-03-25 05:29:18,761 INFO L130 PetriNetUnfolder]: For 346/348 co-relation queries the response was YES. [2021-03-25 05:29:18,762 INFO L84 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 102 events. 23/102 cut-off events. For 346/348 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 353 event pairs, 8 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 433. Up to 69 conditions per place. [2021-03-25 05:29:18,762 INFO L132 encePairwiseOnDemand]: 317/330 looper letters, 35 selfloop transitions, 15 changer transitions 0/54 dead transitions. [2021-03-25 05:29:18,762 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 54 transitions, 547 flow [2021-03-25 05:29:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:18,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:18,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1468 transitions. [2021-03-25 05:29:18,764 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4448484848484848 [2021-03-25 05:29:18,764 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1468 transitions. [2021-03-25 05:29:18,764 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1468 transitions. [2021-03-25 05:29:18,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:18,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1468 transitions. [2021-03-25 05:29:18,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 146.8) internal successors, (1468), 10 states have internal predecessors, (1468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,769 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 330.0) internal successors, (3630), 11 states have internal predecessors, (3630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,769 INFO L185 Difference]: Start difference. First operand has 69 places, 47 transitions, 403 flow. Second operand 10 states and 1468 transitions. [2021-03-25 05:29:18,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 54 transitions, 547 flow [2021-03-25 05:29:18,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 54 transitions, 513 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:18,771 INFO L241 Difference]: Finished difference. Result has 77 places, 51 transitions, 445 flow [2021-03-25 05:29:18,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=374, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=445, PETRI_PLACES=77, PETRI_TRANSITIONS=51} [2021-03-25 05:29:18,771 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 13 predicate places. [2021-03-25 05:29:18,771 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:18,771 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 51 transitions, 445 flow [2021-03-25 05:29:18,772 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 51 transitions, 445 flow [2021-03-25 05:29:18,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 51 transitions, 445 flow [2021-03-25 05:29:18,777 INFO L129 PetriNetUnfolder]: 9/76 cut-off events. [2021-03-25 05:29:18,778 INFO L130 PetriNetUnfolder]: For 240/242 co-relation queries the response was YES. [2021-03-25 05:29:18,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 76 events. 9/76 cut-off events. For 240/242 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 0 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 265. Up to 12 conditions per place. [2021-03-25 05:29:18,778 INFO L142 LiptonReduction]: Number of co-enabled transitions 34 [2021-03-25 05:29:18,832 INFO L154 LiptonReduction]: Checked pairs total: 32 [2021-03-25 05:29:18,832 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:18,832 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 61 [2021-03-25 05:29:18,832 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 50 transitions, 441 flow [2021-03-25 05:29:18,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:18,833 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:18,833 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:18,833 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 05:29:18,833 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]=== [2021-03-25 05:29:18,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:18,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1183881746, now seen corresponding path program 1 times [2021-03-25 05:29:18,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:18,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735727514] [2021-03-25 05:29:18,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:18,872 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:18,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:18,879 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-25 05:29:18,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:18,891 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.1 percent of original size [2021-03-25 05:29:18,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-25 05:29:18,904 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-25 05:29:18,904 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:18,916 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-25 05:29:18,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:29:18,958 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-25 05:29:18,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:18,982 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-25 05:29:18,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:29:19,004 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:19,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:19,017 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:19,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:19,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:19,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735727514] [2021-03-25 05:29:19,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:19,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:19,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287626857] [2021-03-25 05:29:19,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:19,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:19,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:19,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:19,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 331 [2021-03-25 05:29:19,020 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 50 transitions, 441 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) [2021-03-25 05:29:19,020 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:19,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 331 [2021-03-25 05:29:19,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:19,304 INFO L129 PetriNetUnfolder]: 21/108 cut-off events. [2021-03-25 05:29:19,304 INFO L130 PetriNetUnfolder]: For 395/397 co-relation queries the response was YES. [2021-03-25 05:29:19,304 INFO L84 FinitePrefix]: Finished finitePrefix Result has 516 conditions, 108 events. 21/108 cut-off events. For 395/397 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 404 event pairs, 4 based on Foata normal form. 1/108 useless extension candidates. Maximal degree in co-relation 458. Up to 58 conditions per place. [2021-03-25 05:29:19,305 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 43 selfloop transitions, 11 changer transitions 4/62 dead transitions. [2021-03-25 05:29:19,305 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 62 transitions, 639 flow [2021-03-25 05:29:19,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:29:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:29:19,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 900 transitions. [2021-03-25 05:29:19,306 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.45317220543806647 [2021-03-25 05:29:19,306 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 900 transitions. [2021-03-25 05:29:19,306 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 900 transitions. [2021-03-25 05:29:19,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:19,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 900 transitions. [2021-03-25 05:29:19,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 150.0) internal successors, (900), 6 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:19,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:19,309 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 331.0) internal successors, (2317), 7 states have internal predecessors, (2317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:19,309 INFO L185 Difference]: Start difference. First operand has 76 places, 50 transitions, 441 flow. Second operand 6 states and 900 transitions. [2021-03-25 05:29:19,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 62 transitions, 639 flow [2021-03-25 05:29:19,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 62 transitions, 601 flow, removed 9 selfloop flow, removed 6 redundant places. [2021-03-25 05:29:19,311 INFO L241 Difference]: Finished difference. Result has 77 places, 49 transitions, 431 flow [2021-03-25 05:29:19,312 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=431, PETRI_PLACES=77, PETRI_TRANSITIONS=49} [2021-03-25 05:29:19,312 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 13 predicate places. [2021-03-25 05:29:19,312 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:19,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 49 transitions, 431 flow [2021-03-25 05:29:19,312 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 49 transitions, 431 flow [2021-03-25 05:29:19,312 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 49 transitions, 431 flow [2021-03-25 05:29:19,318 INFO L129 PetriNetUnfolder]: 8/74 cut-off events. [2021-03-25 05:29:19,318 INFO L130 PetriNetUnfolder]: For 291/294 co-relation queries the response was YES. [2021-03-25 05:29:19,318 INFO L84 FinitePrefix]: Finished finitePrefix Result has 313 conditions, 74 events. 8/74 cut-off events. For 291/294 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 250 event pairs, 0 based on Foata normal form. 1/74 useless extension candidates. Maximal degree in co-relation 273. Up to 11 conditions per place. [2021-03-25 05:29:19,318 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-25 05:29:19,319 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-25 05:29:19,319 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:19,319 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-25 05:29:19,320 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 49 transitions, 431 flow [2021-03-25 05:29:19,320 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) [2021-03-25 05:29:19,320 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:19,320 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:19,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 05:29:19,320 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]=== [2021-03-25 05:29:19,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:19,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1299415890, now seen corresponding path program 2 times [2021-03-25 05:29:19,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:19,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883156183] [2021-03-25 05:29:19,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:19,371 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:19,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:19,378 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-25 05:29:19,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:19,390 INFO L142 QuantifierPusher]: treesize reduction 10, result has 72.2 percent of original size [2021-03-25 05:29:19,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:19,402 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.8 percent of original size [2021-03-25 05:29:19,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:29:19,425 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-25 05:29:19,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:29:19,450 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-25 05:29:19,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:19,474 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-25 05:29:19,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:29:19,496 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:19,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:19,508 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:19,508 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:19,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883156183] [2021-03-25 05:29:19,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:19,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:19,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649838058] [2021-03-25 05:29:19,509 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:19,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:19,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:19,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:19,510 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 331 [2021-03-25 05:29:19,511 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 49 transitions, 431 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) [2021-03-25 05:29:19,511 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:19,511 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 331 [2021-03-25 05:29:19,511 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:19,899 INFO L129 PetriNetUnfolder]: 20/102 cut-off events. [2021-03-25 05:29:19,899 INFO L130 PetriNetUnfolder]: For 424/426 co-relation queries the response was YES. [2021-03-25 05:29:19,900 INFO L84 FinitePrefix]: Finished finitePrefix Result has 494 conditions, 102 events. 20/102 cut-off events. For 424/426 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 357 event pairs, 4 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 444. Up to 39 conditions per place. [2021-03-25 05:29:19,900 INFO L132 encePairwiseOnDemand]: 322/331 looper letters, 30 selfloop transitions, 23 changer transitions 0/57 dead transitions. [2021-03-25 05:29:19,900 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 57 transitions, 600 flow [2021-03-25 05:29:19,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:29:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:29:19,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1328 transitions. [2021-03-25 05:29:19,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4457871769050017 [2021-03-25 05:29:19,902 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1328 transitions. [2021-03-25 05:29:19,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1328 transitions. [2021-03-25 05:29:19,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:19,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1328 transitions. [2021-03-25 05:29:19,904 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 147.55555555555554) internal successors, (1328), 9 states have internal predecessors, (1328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:19,906 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) [2021-03-25 05:29:19,906 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) [2021-03-25 05:29:19,906 INFO L185 Difference]: Start difference. First operand has 73 places, 49 transitions, 431 flow. Second operand 9 states and 1328 transitions. [2021-03-25 05:29:19,906 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 57 transitions, 600 flow [2021-03-25 05:29:19,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 57 transitions, 561 flow, removed 16 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:19,911 INFO L241 Difference]: Finished difference. Result has 76 places, 52 transitions, 480 flow [2021-03-25 05:29:19,911 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=480, PETRI_PLACES=76, PETRI_TRANSITIONS=52} [2021-03-25 05:29:19,911 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 12 predicate places. [2021-03-25 05:29:19,911 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:19,911 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 52 transitions, 480 flow [2021-03-25 05:29:19,911 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 52 transitions, 480 flow [2021-03-25 05:29:19,912 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 52 transitions, 480 flow [2021-03-25 05:29:19,919 INFO L129 PetriNetUnfolder]: 7/80 cut-off events. [2021-03-25 05:29:19,919 INFO L130 PetriNetUnfolder]: For 316/318 co-relation queries the response was YES. [2021-03-25 05:29:19,919 INFO L84 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 80 events. 7/80 cut-off events. For 316/318 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 289 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 225. Up to 12 conditions per place. [2021-03-25 05:29:19,920 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-25 05:29:19,921 INFO L154 LiptonReduction]: Checked pairs total: 16 [2021-03-25 05:29:19,921 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:19,922 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 11 [2021-03-25 05:29:19,922 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 52 transitions, 480 flow [2021-03-25 05:29:19,922 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) [2021-03-25 05:29:19,922 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:19,922 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:19,922 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 05:29:19,922 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]=== [2021-03-25 05:29:19,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:19,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1853026137, now seen corresponding path program 1 times [2021-03-25 05:29:19,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:19,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104768692] [2021-03-25 05:29:19,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:19,984 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 05:29:19,985 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-25 05:29:20,001 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 05:29:20,002 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:20,019 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-25 05:29:20,019 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-25 05:29:20,054 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 05:29:20,054 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:29:20,068 INFO L142 QuantifierPusher]: treesize reduction 18, result has 65.4 percent of original size [2021-03-25 05:29:20,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:20,083 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:20,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:20,099 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:20,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:20,108 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:20,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:20,132 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:20,132 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:20,144 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:20,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:20,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:20,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104768692] [2021-03-25 05:29:20,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:20,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:20,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730824471] [2021-03-25 05:29:20,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:20,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:20,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:20,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:20,147 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 331 [2021-03-25 05:29:20,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 52 transitions, 480 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) [2021-03-25 05:29:20,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:20,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 331 [2021-03-25 05:29:20,147 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:20,490 INFO L129 PetriNetUnfolder]: 20/102 cut-off events. [2021-03-25 05:29:20,490 INFO L130 PetriNetUnfolder]: For 442/444 co-relation queries the response was YES. [2021-03-25 05:29:20,491 INFO L84 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 102 events. 20/102 cut-off events. For 442/444 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 353 event pairs, 2 based on Foata normal form. 1/102 useless extension candidates. Maximal degree in co-relation 384. Up to 53 conditions per place. [2021-03-25 05:29:20,491 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 37 selfloop transitions, 11 changer transitions 7/59 dead transitions. [2021-03-25 05:29:20,491 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 59 transitions, 616 flow [2021-03-25 05:29:20,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 05:29:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 05:29:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1332 transitions. [2021-03-25 05:29:20,493 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4471299093655589 [2021-03-25 05:29:20,493 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1332 transitions. [2021-03-25 05:29:20,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1332 transitions. [2021-03-25 05:29:20,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:20,493 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1332 transitions. [2021-03-25 05:29:20,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.0) internal successors, (1332), 9 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:20,496 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) [2021-03-25 05:29:20,497 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) [2021-03-25 05:29:20,497 INFO L185 Difference]: Start difference. First operand has 76 places, 52 transitions, 480 flow. Second operand 9 states and 1332 transitions. [2021-03-25 05:29:20,497 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 59 transitions, 616 flow [2021-03-25 05:29:20,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 59 transitions, 585 flow, removed 7 selfloop flow, removed 2 redundant places. [2021-03-25 05:29:20,499 INFO L241 Difference]: Finished difference. Result has 83 places, 48 transitions, 427 flow [2021-03-25 05:29:20,499 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=427, PETRI_PLACES=83, PETRI_TRANSITIONS=48} [2021-03-25 05:29:20,499 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 19 predicate places. [2021-03-25 05:29:20,499 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:20,499 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 83 places, 48 transitions, 427 flow [2021-03-25 05:29:20,499 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 83 places, 48 transitions, 427 flow [2021-03-25 05:29:20,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 48 transitions, 427 flow [2021-03-25 05:29:20,505 INFO L129 PetriNetUnfolder]: 7/67 cut-off events. [2021-03-25 05:29:20,505 INFO L130 PetriNetUnfolder]: For 245/247 co-relation queries the response was YES. [2021-03-25 05:29:20,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 67 events. 7/67 cut-off events. For 245/247 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 207 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 220. Up to 9 conditions per place. [2021-03-25 05:29:20,505 INFO L142 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-25 05:29:21,103 INFO L154 LiptonReduction]: Checked pairs total: 64 [2021-03-25 05:29:21,103 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:29:21,103 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 604 [2021-03-25 05:29:21,104 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 46 transitions, 422 flow [2021-03-25 05:29:21,104 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) [2021-03-25 05:29:21,104 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:21,104 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:21,104 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 05:29:21,104 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]=== [2021-03-25 05:29:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:21,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1299415903, now seen corresponding path program 2 times [2021-03-25 05:29:21,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:21,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38852111] [2021-03-25 05:29:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:21,159 INFO L142 QuantifierPusher]: treesize reduction 17, result has 70.7 percent of original size [2021-03-25 05:29:21,160 INFO L147 QuantifierPusher]: treesize reduction 6, result has 85.4 percent of original size 35 [2021-03-25 05:29:21,176 INFO L142 QuantifierPusher]: treesize reduction 17, result has 66.0 percent of original size [2021-03-25 05:29:21,176 INFO L147 QuantifierPusher]: treesize reduction 6, result has 81.8 percent of original size 27 [2021-03-25 05:29:21,192 INFO L142 QuantifierPusher]: treesize reduction 38, result has 58.2 percent of original size [2021-03-25 05:29:21,193 INFO L147 QuantifierPusher]: treesize reduction 6, result has 88.7 percent of original size 47 [2021-03-25 05:29:21,226 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 05:29:21,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:29:21,241 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-25 05:29:21,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:29:21,257 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-03-25 05:29:21,258 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:21,274 INFO L142 QuantifierPusher]: treesize reduction 14, result has 69.6 percent of original size [2021-03-25 05:29:21,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:21,283 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:21,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:21,307 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:21,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:21,320 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:21,320 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:21,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38852111] [2021-03-25 05:29:21,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:21,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:21,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714279052] [2021-03-25 05:29:21,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:21,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:21,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:21,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:21,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 334 [2021-03-25 05:29:21,323 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 46 transitions, 422 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) [2021-03-25 05:29:21,323 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:21,323 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 334 [2021-03-25 05:29:21,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:21,674 INFO L129 PetriNetUnfolder]: 22/103 cut-off events. [2021-03-25 05:29:21,674 INFO L130 PetriNetUnfolder]: For 402/406 co-relation queries the response was YES. [2021-03-25 05:29:21,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 103 events. 22/103 cut-off events. For 402/406 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 379 event pairs, 2 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 384. Up to 50 conditions per place. [2021-03-25 05:29:21,675 INFO L132 encePairwiseOnDemand]: 325/334 looper letters, 32 selfloop transitions, 10 changer transitions 9/55 dead transitions. [2021-03-25 05:29:21,675 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 55 transitions, 570 flow [2021-03-25 05:29:21,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1186 transitions. [2021-03-25 05:29:21,676 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4438622754491018 [2021-03-25 05:29:21,676 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1186 transitions. [2021-03-25 05:29:21,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1186 transitions. [2021-03-25 05:29:21,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:21,677 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1186 transitions. [2021-03-25 05:29:21,678 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 148.25) internal successors, (1186), 8 states have internal predecessors, (1186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:21,679 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:21,680 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 334.0) internal successors, (3006), 9 states have internal predecessors, (3006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:21,680 INFO L185 Difference]: Start difference. First operand has 76 places, 46 transitions, 422 flow. Second operand 8 states and 1186 transitions. [2021-03-25 05:29:21,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 55 transitions, 570 flow [2021-03-25 05:29:21,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 55 transitions, 500 flow, removed 4 selfloop flow, removed 13 redundant places. [2021-03-25 05:29:21,682 INFO L241 Difference]: Finished difference. Result has 72 places, 43 transitions, 356 flow [2021-03-25 05:29:21,682 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=334, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=356, PETRI_PLACES=72, PETRI_TRANSITIONS=43} [2021-03-25 05:29:21,682 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-25 05:29:21,682 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:21,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 43 transitions, 356 flow [2021-03-25 05:29:21,682 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 43 transitions, 356 flow [2021-03-25 05:29:21,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 43 transitions, 356 flow [2021-03-25 05:29:21,687 INFO L129 PetriNetUnfolder]: 6/71 cut-off events. [2021-03-25 05:29:21,688 INFO L130 PetriNetUnfolder]: For 193/195 co-relation queries the response was YES. [2021-03-25 05:29:21,688 INFO L84 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 71 events. 6/71 cut-off events. For 193/195 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 240 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 243. Up to 13 conditions per place. [2021-03-25 05:29:21,688 INFO L142 LiptonReduction]: Number of co-enabled transitions 24 [2021-03-25 05:29:21,965 INFO L154 LiptonReduction]: Checked pairs total: 20 [2021-03-25 05:29:21,965 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:21,966 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 284 [2021-03-25 05:29:21,966 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 43 transitions, 358 flow [2021-03-25 05:29:21,966 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) [2021-03-25 05:29:21,967 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:21,967 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:21,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-03-25 05:29:21,967 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]=== [2021-03-25 05:29:21,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:21,967 INFO L82 PathProgramCache]: Analyzing trace with hash -203311283, now seen corresponding path program 1 times [2021-03-25 05:29:21,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:21,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038554590] [2021-03-25 05:29:21,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:22,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:22,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,040 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:22,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,043 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 05:29:22,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:22,061 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,061 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:22,071 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,072 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:22,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:29:22,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:22,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038554590] [2021-03-25 05:29:22,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:22,087 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:29:22,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257799393] [2021-03-25 05:29:22,087 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:29:22,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:22,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:29:22,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:29:22,088 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 335 [2021-03-25 05:29:22,089 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 43 transitions, 358 flow. Second operand has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,089 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:22,089 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 335 [2021-03-25 05:29:22,089 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:22,315 INFO L129 PetriNetUnfolder]: 15/81 cut-off events. [2021-03-25 05:29:22,315 INFO L130 PetriNetUnfolder]: For 279/279 co-relation queries the response was YES. [2021-03-25 05:29:22,315 INFO L84 FinitePrefix]: Finished finitePrefix Result has 392 conditions, 81 events. 15/81 cut-off events. For 279/279 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 248 event pairs, 1 based on Foata normal form. 4/84 useless extension candidates. Maximal degree in co-relation 367. Up to 47 conditions per place. [2021-03-25 05:29:22,315 INFO L132 encePairwiseOnDemand]: 326/335 looper letters, 39 selfloop transitions, 15 changer transitions 0/55 dead transitions. [2021-03-25 05:29:22,316 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 55 transitions, 560 flow [2021-03-25 05:29:22,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1406 transitions. [2021-03-25 05:29:22,317 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5246268656716417 [2021-03-25 05:29:22,317 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1406 transitions. [2021-03-25 05:29:22,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1406 transitions. [2021-03-25 05:29:22,318 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:22,318 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1406 transitions. [2021-03-25 05:29:22,319 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 175.75) internal successors, (1406), 8 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,320 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,321 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,321 INFO L185 Difference]: Start difference. First operand has 70 places, 43 transitions, 358 flow. Second operand 8 states and 1406 transitions. [2021-03-25 05:29:22,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 55 transitions, 560 flow [2021-03-25 05:29:22,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 55 transitions, 506 flow, removed 10 selfloop flow, removed 8 redundant places. [2021-03-25 05:29:22,323 INFO L241 Difference]: Finished difference. Result has 72 places, 48 transitions, 418 flow [2021-03-25 05:29:22,323 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=418, PETRI_PLACES=72, PETRI_TRANSITIONS=48} [2021-03-25 05:29:22,323 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-25 05:29:22,323 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:22,323 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 48 transitions, 418 flow [2021-03-25 05:29:22,323 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 48 transitions, 418 flow [2021-03-25 05:29:22,323 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 48 transitions, 418 flow [2021-03-25 05:29:22,328 INFO L129 PetriNetUnfolder]: 7/72 cut-off events. [2021-03-25 05:29:22,328 INFO L130 PetriNetUnfolder]: For 247/247 co-relation queries the response was YES. [2021-03-25 05:29:22,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 295 conditions, 72 events. 7/72 cut-off events. For 247/247 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 238. Up to 10 conditions per place. [2021-03-25 05:29:22,329 INFO L142 LiptonReduction]: Number of co-enabled transitions 16 [2021-03-25 05:29:22,330 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 05:29:22,330 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:22,330 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-25 05:29:22,330 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 48 transitions, 418 flow [2021-03-25 05:29:22,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,331 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:22,331 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:22,331 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-03-25 05:29:22,331 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]=== [2021-03-25 05:29:22,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:22,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1678084265, now seen corresponding path program 1 times [2021-03-25 05:29:22,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:22,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805194862] [2021-03-25 05:29:22,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:22,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:29:22,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:29:22,372 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:22,380 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,381 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:29:22,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,392 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:22,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:22,403 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:22,404 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,404 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:29:22,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:22,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:29:22,420 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:29:22,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:29:22,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:29:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:22,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805194862] [2021-03-25 05:29:22,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:22,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:22,427 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536756538] [2021-03-25 05:29:22,427 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:22,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:22,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:22,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:22,428 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 335 [2021-03-25 05:29:22,429 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 48 transitions, 418 flow. Second operand has 9 states, 9 states have (on average 150.44444444444446) internal successors, (1354), 9 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,429 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:22,429 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 335 [2021-03-25 05:29:22,429 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:22,722 INFO L129 PetriNetUnfolder]: 20/130 cut-off events. [2021-03-25 05:29:22,722 INFO L130 PetriNetUnfolder]: For 373/373 co-relation queries the response was YES. [2021-03-25 05:29:22,722 INFO L84 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 130 events. 20/130 cut-off events. For 373/373 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 575 event pairs, 0 based on Foata normal form. 2/131 useless extension candidates. Maximal degree in co-relation 484. Up to 41 conditions per place. [2021-03-25 05:29:22,723 INFO L132 encePairwiseOnDemand]: 323/335 looper letters, 49 selfloop transitions, 30 changer transitions 0/82 dead transitions. [2021-03-25 05:29:22,723 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 82 transitions, 809 flow [2021-03-25 05:29:22,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-25 05:29:22,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-25 05:29:22,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1696 transitions. [2021-03-25 05:29:22,724 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46024423337856174 [2021-03-25 05:29:22,725 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1696 transitions. [2021-03-25 05:29:22,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1696 transitions. [2021-03-25 05:29:22,725 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:22,725 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1696 transitions. [2021-03-25 05:29:22,726 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 154.1818181818182) internal successors, (1696), 11 states have internal predecessors, (1696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 335.0) internal successors, (4020), 12 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,728 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 335.0) internal successors, (4020), 12 states have internal predecessors, (4020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,728 INFO L185 Difference]: Start difference. First operand has 72 places, 48 transitions, 418 flow. Second operand 11 states and 1696 transitions. [2021-03-25 05:29:22,728 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 82 transitions, 809 flow [2021-03-25 05:29:22,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 82 transitions, 785 flow, removed 3 selfloop flow, removed 4 redundant places. [2021-03-25 05:29:22,731 INFO L241 Difference]: Finished difference. Result has 81 places, 63 transitions, 607 flow [2021-03-25 05:29:22,731 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=607, PETRI_PLACES=81, PETRI_TRANSITIONS=63} [2021-03-25 05:29:22,731 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 17 predicate places. [2021-03-25 05:29:22,731 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:22,731 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 63 transitions, 607 flow [2021-03-25 05:29:22,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 63 transitions, 607 flow [2021-03-25 05:29:22,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 63 transitions, 607 flow [2021-03-25 05:29:22,739 INFO L129 PetriNetUnfolder]: 13/118 cut-off events. [2021-03-25 05:29:22,739 INFO L130 PetriNetUnfolder]: For 445/445 co-relation queries the response was YES. [2021-03-25 05:29:22,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 491 conditions, 118 events. 13/118 cut-off events. For 445/445 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 560 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 442. Up to 15 conditions per place. [2021-03-25 05:29:22,740 INFO L142 LiptonReduction]: Number of co-enabled transitions 20 [2021-03-25 05:29:22,741 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 05:29:22,741 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:22,741 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10 [2021-03-25 05:29:22,741 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 63 transitions, 607 flow [2021-03-25 05:29:22,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 150.44444444444446) internal successors, (1354), 9 states have internal predecessors, (1354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,742 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:22,742 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:22,742 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-03-25 05:29:22,742 INFO L428 AbstractCegarLoop]: === Iteration 26 === [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]=== [2021-03-25 05:29:22,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:22,742 INFO L82 PathProgramCache]: Analyzing trace with hash 571815437, now seen corresponding path program 1 times [2021-03-25 05:29:22,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:22,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935658687] [2021-03-25 05:29:22,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:22,782 INFO L142 QuantifierPusher]: treesize reduction 16, result has 77.8 percent of original size [2021-03-25 05:29:22,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-03-25 05:29:22,801 INFO L142 QuantifierPusher]: treesize reduction 22, result has 65.6 percent of original size [2021-03-25 05:29:22,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-25 05:29:22,815 INFO L142 QuantifierPusher]: treesize reduction 14, result has 73.6 percent of original size [2021-03-25 05:29:22,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:22,830 INFO L142 QuantifierPusher]: treesize reduction 14, result has 70.8 percent of original size [2021-03-25 05:29:22,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:22,836 INFO L142 QuantifierPusher]: treesize reduction 16, result has 63.6 percent of original size [2021-03-25 05:29:22,836 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:29:22,851 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 05:29:22,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:22,864 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-25 05:29:22,864 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:29:22,875 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:22,875 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:22,886 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:22,886 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:22,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:22,887 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935658687] [2021-03-25 05:29:22,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:22,887 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:29:22,887 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064437516] [2021-03-25 05:29:22,887 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:22,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:22,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:22,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:22,888 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 335 [2021-03-25 05:29:22,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 63 transitions, 607 flow. Second operand has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:22,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:22,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 335 [2021-03-25 05:29:22,889 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:23,128 INFO L129 PetriNetUnfolder]: 17/132 cut-off events. [2021-03-25 05:29:23,128 INFO L130 PetriNetUnfolder]: For 539/539 co-relation queries the response was YES. [2021-03-25 05:29:23,129 INFO L84 FinitePrefix]: Finished finitePrefix Result has 632 conditions, 132 events. 17/132 cut-off events. For 539/539 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 619 event pairs, 0 based on Foata normal form. 3/134 useless extension candidates. Maximal degree in co-relation 587. Up to 37 conditions per place. [2021-03-25 05:29:23,129 INFO L132 encePairwiseOnDemand]: 323/335 looper letters, 43 selfloop transitions, 15 changer transitions 10/74 dead transitions. [2021-03-25 05:29:23,129 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 74 transitions, 792 flow [2021-03-25 05:29:23,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1254 transitions. [2021-03-25 05:29:23,131 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.467910447761194 [2021-03-25 05:29:23,131 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1254 transitions. [2021-03-25 05:29:23,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1254 transitions. [2021-03-25 05:29:23,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:23,131 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1254 transitions. [2021-03-25 05:29:23,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.75) internal successors, (1254), 8 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,133 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,133 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,134 INFO L185 Difference]: Start difference. First operand has 81 places, 63 transitions, 607 flow. Second operand 8 states and 1254 transitions. [2021-03-25 05:29:23,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 74 transitions, 792 flow [2021-03-25 05:29:23,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 74 transitions, 769 flow, removed 2 selfloop flow, removed 3 redundant places. [2021-03-25 05:29:23,137 INFO L241 Difference]: Finished difference. Result has 87 places, 60 transitions, 553 flow [2021-03-25 05:29:23,137 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=561, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=553, PETRI_PLACES=87, PETRI_TRANSITIONS=60} [2021-03-25 05:29:23,137 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 23 predicate places. [2021-03-25 05:29:23,137 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:23,137 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 60 transitions, 553 flow [2021-03-25 05:29:23,137 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 60 transitions, 553 flow [2021-03-25 05:29:23,137 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 60 transitions, 553 flow [2021-03-25 05:29:23,144 INFO L129 PetriNetUnfolder]: 14/94 cut-off events. [2021-03-25 05:29:23,144 INFO L130 PetriNetUnfolder]: For 404/404 co-relation queries the response was YES. [2021-03-25 05:29:23,144 INFO L84 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 94 events. 14/94 cut-off events. For 404/404 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 349 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 391. Up to 16 conditions per place. [2021-03-25 05:29:23,145 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-25 05:29:23,146 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 05:29:23,146 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:23,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9 [2021-03-25 05:29:23,146 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 60 transitions, 553 flow [2021-03-25 05:29:23,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,146 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:23,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:23,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-03-25 05:29:23,147 INFO L428 AbstractCegarLoop]: === Iteration 27 === [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]=== [2021-03-25 05:29:23,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:23,147 INFO L82 PathProgramCache]: Analyzing trace with hash -131399409, now seen corresponding path program 1 times [2021-03-25 05:29:23,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:23,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721562359] [2021-03-25 05:29:23,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:23,218 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size [2021-03-25 05:29:23,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:29:23,239 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-03-25 05:29:23,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 05:29:23,262 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-25 05:29:23,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:23,274 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 05:29:23,274 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:29:23,305 INFO L142 QuantifierPusher]: treesize reduction 29, result has 59.7 percent of original size [2021-03-25 05:29:23,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:29:23,312 INFO L142 QuantifierPusher]: treesize reduction 31, result has 54.4 percent of original size [2021-03-25 05:29:23,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:29:23,339 INFO L142 QuantifierPusher]: treesize reduction 31, result has 53.7 percent of original size [2021-03-25 05:29:23,340 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:29:23,367 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:23,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:23,378 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:23,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:23,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:23,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721562359] [2021-03-25 05:29:23,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:23,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:29:23,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030647161] [2021-03-25 05:29:23,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:23,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:23,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:23,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:23,381 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 335 [2021-03-25 05:29:23,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 60 transitions, 553 flow. Second operand has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:23,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 335 [2021-03-25 05:29:23,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:23,671 INFO L129 PetriNetUnfolder]: 14/104 cut-off events. [2021-03-25 05:29:23,672 INFO L130 PetriNetUnfolder]: For 472/472 co-relation queries the response was YES. [2021-03-25 05:29:23,672 INFO L84 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 104 events. 14/104 cut-off events. For 472/472 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 402 event pairs, 0 based on Foata normal form. 1/104 useless extension candidates. Maximal degree in co-relation 507. Up to 68 conditions per place. [2021-03-25 05:29:23,672 INFO L132 encePairwiseOnDemand]: 326/335 looper letters, 43 selfloop transitions, 10 changer transitions 5/64 dead transitions. [2021-03-25 05:29:23,672 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 64 transitions, 704 flow [2021-03-25 05:29:23,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 05:29:23,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 05:29:23,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1249 transitions. [2021-03-25 05:29:23,674 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.466044776119403 [2021-03-25 05:29:23,674 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1249 transitions. [2021-03-25 05:29:23,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1249 transitions. [2021-03-25 05:29:23,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:23,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1249 transitions. [2021-03-25 05:29:23,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 156.125) internal successors, (1249), 8 states have internal predecessors, (1249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,676 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,677 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 335.0) internal successors, (3015), 9 states have internal predecessors, (3015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,677 INFO L185 Difference]: Start difference. First operand has 85 places, 60 transitions, 553 flow. Second operand 8 states and 1249 transitions. [2021-03-25 05:29:23,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 64 transitions, 704 flow [2021-03-25 05:29:23,679 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 64 transitions, 656 flow, removed 4 selfloop flow, removed 9 redundant places. [2021-03-25 05:29:23,679 INFO L241 Difference]: Finished difference. Result has 85 places, 59 transitions, 513 flow [2021-03-25 05:29:23,680 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=335, PETRI_DIFFERENCE_MINUEND_FLOW=508, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=513, PETRI_PLACES=85, PETRI_TRANSITIONS=59} [2021-03-25 05:29:23,680 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 21 predicate places. [2021-03-25 05:29:23,680 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:23,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 59 transitions, 513 flow [2021-03-25 05:29:23,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 59 transitions, 513 flow [2021-03-25 05:29:23,680 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 59 transitions, 513 flow [2021-03-25 05:29:23,686 INFO L129 PetriNetUnfolder]: 13/91 cut-off events. [2021-03-25 05:29:23,687 INFO L130 PetriNetUnfolder]: For 284/284 co-relation queries the response was YES. [2021-03-25 05:29:23,687 INFO L84 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 91 events. 13/91 cut-off events. For 284/284 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 333 event pairs, 1 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 349. Up to 16 conditions per place. [2021-03-25 05:29:23,687 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-25 05:29:23,744 INFO L154 LiptonReduction]: Checked pairs total: 8 [2021-03-25 05:29:23,744 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:29:23,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-03-25 05:29:23,744 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 58 transitions, 509 flow [2021-03-25 05:29:23,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,745 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:23,745 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:23,745 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-03-25 05:29:23,745 INFO L428 AbstractCegarLoop]: === Iteration 28 === [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]=== [2021-03-25 05:29:23,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:23,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1849743115, now seen corresponding path program 2 times [2021-03-25 05:29:23,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:23,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98788928] [2021-03-25 05:29:23,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:23,795 INFO L142 QuantifierPusher]: treesize reduction 26, result has 69.4 percent of original size [2021-03-25 05:29:23,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-25 05:29:23,816 INFO L142 QuantifierPusher]: treesize reduction 26, result has 66.2 percent of original size [2021-03-25 05:29:23,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 05:29:23,837 INFO L142 QuantifierPusher]: treesize reduction 15, result has 62.5 percent of original size [2021-03-25 05:29:23,837 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:23,849 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.3 percent of original size [2021-03-25 05:29:23,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:29:23,880 INFO L142 QuantifierPusher]: treesize reduction 29, result has 59.7 percent of original size [2021-03-25 05:29:23,880 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:29:23,888 INFO L142 QuantifierPusher]: treesize reduction 31, result has 54.4 percent of original size [2021-03-25 05:29:23,889 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-03-25 05:29:23,916 INFO L142 QuantifierPusher]: treesize reduction 10, result has 64.3 percent of original size [2021-03-25 05:29:23,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:29:23,926 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:23,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:23,938 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:23,938 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:23,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98788928] [2021-03-25 05:29:23,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:23,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:29:23,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454554116] [2021-03-25 05:29:23,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:29:23,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:23,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:29:23,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:29:23,940 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 336 [2021-03-25 05:29:23,941 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 58 transitions, 509 flow. Second operand has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:23,941 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:23,941 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 336 [2021-03-25 05:29:23,941 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:24,168 INFO L129 PetriNetUnfolder]: 14/95 cut-off events. [2021-03-25 05:29:24,168 INFO L130 PetriNetUnfolder]: For 351/351 co-relation queries the response was YES. [2021-03-25 05:29:24,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 95 events. 14/95 cut-off events. For 351/351 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 338 event pairs, 0 based on Foata normal form. 1/95 useless extension candidates. Maximal degree in co-relation 448. Up to 63 conditions per place. [2021-03-25 05:29:24,169 INFO L132 encePairwiseOnDemand]: 328/336 looper letters, 39 selfloop transitions, 6 changer transitions 7/58 dead transitions. [2021-03-25 05:29:24,169 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 58 transitions, 608 flow [2021-03-25 05:29:24,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:29:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:29:24,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1094 transitions. [2021-03-25 05:29:24,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4651360544217687 [2021-03-25 05:29:24,171 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1094 transitions. [2021-03-25 05:29:24,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1094 transitions. [2021-03-25 05:29:24,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:24,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1094 transitions. [2021-03-25 05:29:24,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 156.28571428571428) internal successors, (1094), 7 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 336.0) internal successors, (2688), 8 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,173 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 336.0) internal successors, (2688), 8 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,173 INFO L185 Difference]: Start difference. First operand has 81 places, 58 transitions, 509 flow. Second operand 7 states and 1094 transitions. [2021-03-25 05:29:24,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 58 transitions, 608 flow [2021-03-25 05:29:24,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 58 transitions, 582 flow, removed 4 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:24,175 INFO L241 Difference]: Finished difference. Result has 82 places, 51 transitions, 417 flow [2021-03-25 05:29:24,175 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=474, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=417, PETRI_PLACES=82, PETRI_TRANSITIONS=51} [2021-03-25 05:29:24,176 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 18 predicate places. [2021-03-25 05:29:24,176 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:24,176 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 51 transitions, 417 flow [2021-03-25 05:29:24,176 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 51 transitions, 417 flow [2021-03-25 05:29:24,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 51 transitions, 417 flow [2021-03-25 05:29:24,182 INFO L129 PetriNetUnfolder]: 13/80 cut-off events. [2021-03-25 05:29:24,182 INFO L130 PetriNetUnfolder]: For 210/210 co-relation queries the response was YES. [2021-03-25 05:29:24,182 INFO L84 FinitePrefix]: Finished finitePrefix Result has 320 conditions, 80 events. 13/80 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 255 event pairs, 1 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 284. Up to 15 conditions per place. [2021-03-25 05:29:24,182 INFO L142 LiptonReduction]: Number of co-enabled transitions 14 [2021-03-25 05:29:24,183 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 05:29:24,183 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:24,183 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7 [2021-03-25 05:29:24,183 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 51 transitions, 417 flow [2021-03-25 05:29:24,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.33333333333334) internal successors, (1380), 9 states have internal predecessors, (1380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,184 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:24,184 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:24,184 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-03-25 05:29:24,184 INFO L428 AbstractCegarLoop]: === Iteration 29 === [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]=== [2021-03-25 05:29:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash -114764738, now seen corresponding path program 1 times [2021-03-25 05:29:24,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:24,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257887267] [2021-03-25 05:29:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:24,232 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-25 05:29:24,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:24,241 INFO L142 QuantifierPusher]: treesize reduction 12, result has 68.4 percent of original size [2021-03-25 05:29:24,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-03-25 05:29:24,250 INFO L142 QuantifierPusher]: treesize reduction 27, result has 59.1 percent of original size [2021-03-25 05:29:24,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-25 05:29:24,265 INFO L142 QuantifierPusher]: treesize reduction 27, result has 55.7 percent of original size [2021-03-25 05:29:24,265 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:24,270 INFO L142 QuantifierPusher]: treesize reduction 27, result has 50.9 percent of original size [2021-03-25 05:29:24,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-25 05:29:24,284 INFO L142 QuantifierPusher]: treesize reduction 18, result has 66.0 percent of original size [2021-03-25 05:29:24,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:29:24,299 INFO L142 QuantifierPusher]: treesize reduction 14, result has 75.4 percent of original size [2021-03-25 05:29:24,300 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-03-25 05:29:24,316 INFO L142 QuantifierPusher]: treesize reduction 33, result has 48.4 percent of original size [2021-03-25 05:29:24,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:29:24,344 INFO L142 QuantifierPusher]: treesize reduction 33, result has 47.6 percent of original size [2021-03-25 05:29:24,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-25 05:29:24,372 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:24,372 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:24,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:24,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257887267] [2021-03-25 05:29:24,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:24,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-25 05:29:24,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964767905] [2021-03-25 05:29:24,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-25 05:29:24,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:24,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-25 05:29:24,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-03-25 05:29:24,387 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 336 [2021-03-25 05:29:24,387 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 51 transitions, 417 flow. Second operand has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,387 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:24,387 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 336 [2021-03-25 05:29:24,387 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:24,762 INFO L129 PetriNetUnfolder]: 17/88 cut-off events. [2021-03-25 05:29:24,763 INFO L130 PetriNetUnfolder]: For 242/244 co-relation queries the response was YES. [2021-03-25 05:29:24,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 88 events. 17/88 cut-off events. For 242/244 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 276 event pairs, 0 based on Foata normal form. 4/91 useless extension candidates. Maximal degree in co-relation 379. Up to 16 conditions per place. [2021-03-25 05:29:24,763 INFO L132 encePairwiseOnDemand]: 326/336 looper letters, 13 selfloop transitions, 2 changer transitions 40/57 dead transitions. [2021-03-25 05:29:24,763 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 57 transitions, 552 flow [2021-03-25 05:29:24,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-25 05:29:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-25 05:29:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1464 transitions. [2021-03-25 05:29:24,765 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4357142857142857 [2021-03-25 05:29:24,765 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1464 transitions. [2021-03-25 05:29:24,765 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1464 transitions. [2021-03-25 05:29:24,765 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:24,765 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1464 transitions. [2021-03-25 05:29:24,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 146.4) internal successors, (1464), 10 states have internal predecessors, (1464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,768 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,769 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 336.0) internal successors, (3696), 11 states have internal predecessors, (3696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:24,769 INFO L185 Difference]: Start difference. First operand has 74 places, 51 transitions, 417 flow. Second operand 10 states and 1464 transitions. [2021-03-25 05:29:24,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 57 transitions, 552 flow [2021-03-25 05:29:24,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 57 transitions, 496 flow, removed 3 selfloop flow, removed 11 redundant places. [2021-03-25 05:29:24,771 INFO L241 Difference]: Finished difference. Result has 72 places, 17 transitions, 119 flow [2021-03-25 05:29:24,771 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=336, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=119, PETRI_PLACES=72, PETRI_TRANSITIONS=17} [2021-03-25 05:29:24,773 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, 8 predicate places. [2021-03-25 05:29:24,773 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:24,773 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 17 transitions, 119 flow [2021-03-25 05:29:24,773 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 17 transitions, 119 flow [2021-03-25 05:29:24,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 17 transitions, 119 flow [2021-03-25 05:29:24,776 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-25 05:29:24,776 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2021-03-25 05:29:24,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 17 events. 0/17 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 05:29:24,777 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:25,271 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:25,271 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 05:29:25,271 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 498 [2021-03-25 05:29:25,273 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 13 transitions, 111 flow [2021-03-25 05:29:25,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 144.36363636363637) internal successors, (1588), 11 states have internal predecessors, (1588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,273 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:25,273 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:25,273 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-03-25 05:29:25,273 INFO L428 AbstractCegarLoop]: === Iteration 30 === [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]=== [2021-03-25 05:29:25,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:25,274 INFO L82 PathProgramCache]: Analyzing trace with hash 204358573, now seen corresponding path program 1 times [2021-03-25 05:29:25,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:25,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448516400] [2021-03-25 05:29:25,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:25,351 INFO L142 QuantifierPusher]: treesize reduction 18, result has 50.0 percent of original size [2021-03-25 05:29:25,351 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:29:25,358 INFO L142 QuantifierPusher]: treesize reduction 28, result has 45.1 percent of original size [2021-03-25 05:29:25,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:29:25,368 INFO L142 QuantifierPusher]: treesize reduction 28, result has 44.0 percent of original size [2021-03-25 05:29:25,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:29:25,379 INFO L142 QuantifierPusher]: treesize reduction 10, result has 71.4 percent of original size [2021-03-25 05:29:25,380 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:25,391 INFO L142 QuantifierPusher]: treesize reduction 16, result has 69.2 percent of original size [2021-03-25 05:29:25,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 05:29:25,416 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.9 percent of original size [2021-03-25 05:29:25,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-03-25 05:29:25,441 INFO L142 QuantifierPusher]: treesize reduction 14, result has 77.4 percent of original size [2021-03-25 05:29:25,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-03-25 05:29:25,464 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:25,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:25,476 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:25,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:25,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:25,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448516400] [2021-03-25 05:29:25,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:25,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-25 05:29:25,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27308500] [2021-03-25 05:29:25,477 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-25 05:29:25,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:25,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-25 05:29:25,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-03-25 05:29:25,479 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 340 [2021-03-25 05:29:25,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 13 transitions, 111 flow. Second operand has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:25,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 340 [2021-03-25 05:29:25,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:25,670 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 05:29:25,670 INFO L130 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2021-03-25 05:29:25,670 INFO L84 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 12 events. 0/12 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-25 05:29:25,670 INFO L132 encePairwiseOnDemand]: 333/340 looper letters, 4 selfloop transitions, 6 changer transitions 0/12 dead transitions. [2021-03-25 05:29:25,670 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 12 transitions, 125 flow [2021-03-25 05:29:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:29:25,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:29:25,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1019 transitions. [2021-03-25 05:29:25,671 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.42815126050420166 [2021-03-25 05:29:25,671 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1019 transitions. [2021-03-25 05:29:25,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1019 transitions. [2021-03-25 05:29:25,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:25,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1019 transitions. [2021-03-25 05:29:25,672 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 145.57142857142858) internal successors, (1019), 7 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,674 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,674 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,674 INFO L185 Difference]: Start difference. First operand has 46 places, 13 transitions, 111 flow. Second operand 7 states and 1019 transitions. [2021-03-25 05:29:25,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 12 transitions, 125 flow [2021-03-25 05:29:25,674 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 12 transitions, 45 flow, removed 7 selfloop flow, removed 31 redundant places. [2021-03-25 05:29:25,674 INFO L241 Difference]: Finished difference. Result has 20 places, 12 transitions, 37 flow [2021-03-25 05:29:25,674 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, PETRI_DIFFERENCE_MINUEND_FLOW=25, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=37, PETRI_PLACES=20, PETRI_TRANSITIONS=12} [2021-03-25 05:29:25,675 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -44 predicate places. [2021-03-25 05:29:25,675 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:25,675 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 12 transitions, 37 flow [2021-03-25 05:29:25,675 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 12 transitions, 37 flow [2021-03-25 05:29:25,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 20 places, 12 transitions, 37 flow [2021-03-25 05:29:25,676 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-25 05:29:25,676 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:25,677 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 12 events. 0/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 0 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 05:29:25,677 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:25,677 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:25,677 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:25,677 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2 [2021-03-25 05:29:25,677 INFO L480 AbstractCegarLoop]: Abstraction has has 20 places, 12 transitions, 37 flow [2021-03-25 05:29:25,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 145.4) internal successors, (1454), 10 states have internal predecessors, (1454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,677 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:29:25,677 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:29:25,678 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-03-25 05:29:25,678 INFO L428 AbstractCegarLoop]: === Iteration 31 === [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]=== [2021-03-25 05:29:25,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:29:25,678 INFO L82 PathProgramCache]: Analyzing trace with hash -957541045, now seen corresponding path program 1 times [2021-03-25 05:29:25,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:29:25,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584645674] [2021-03-25 05:29:25,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:29:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:29:25,713 INFO L142 QuantifierPusher]: treesize reduction 20, result has 63.6 percent of original size [2021-03-25 05:29:25,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-25 05:29:25,728 INFO L142 QuantifierPusher]: treesize reduction 20, result has 57.4 percent of original size [2021-03-25 05:29:25,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-25 05:29:25,743 INFO L142 QuantifierPusher]: treesize reduction 30, result has 53.1 percent of original size [2021-03-25 05:29:25,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-25 05:29:25,757 INFO L142 QuantifierPusher]: treesize reduction 30, result has 52.4 percent of original size [2021-03-25 05:29:25,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-25 05:29:25,771 INFO L142 QuantifierPusher]: treesize reduction 12, result has 67.6 percent of original size [2021-03-25 05:29:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 05:29:25,784 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:25,784 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:25,795 INFO L142 QuantifierPusher]: treesize reduction 10, result has 63.0 percent of original size [2021-03-25 05:29:25,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:29:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:29:25,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584645674] [2021-03-25 05:29:25,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:29:25,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:29:25,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913424748] [2021-03-25 05:29:25,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:29:25,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:29:25,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:29:25,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:29:25,797 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 340 [2021-03-25 05:29:25,797 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 12 transitions, 37 flow. Second operand has 8 states, 8 states have (on average 154.125) internal successors, (1233), 8 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:29:25,798 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 340 [2021-03-25 05:29:25,798 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:29:25,923 INFO L129 PetriNetUnfolder]: 0/11 cut-off events. [2021-03-25 05:29:25,923 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:29:25,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28 conditions, 11 events. 0/11 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. 1/12 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 05:29:25,923 INFO L132 encePairwiseOnDemand]: 334/340 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2021-03-25 05:29:25,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 11 transitions, 49 flow [2021-03-25 05:29:25,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:29:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:29:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1080 transitions. [2021-03-25 05:29:25,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.453781512605042 [2021-03-25 05:29:25,925 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1080 transitions. [2021-03-25 05:29:25,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1080 transitions. [2021-03-25 05:29:25,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:29:25,925 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1080 transitions. [2021-03-25 05:29:25,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 154.28571428571428) internal successors, (1080), 7 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,927 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 340.0) internal successors, (2720), 8 states have internal predecessors, (2720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,927 INFO L185 Difference]: Start difference. First operand has 20 places, 12 transitions, 37 flow. Second operand 7 states and 1080 transitions. [2021-03-25 05:29:25,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 11 transitions, 49 flow [2021-03-25 05:29:25,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 20 places, 11 transitions, 40 flow, removed 0 selfloop flow, removed 5 redundant places. [2021-03-25 05:29:25,927 INFO L241 Difference]: Finished difference. Result has 20 places, 0 transitions, 0 flow [2021-03-25 05:29:25,927 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=340, 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} [2021-03-25 05:29:25,928 INFO L343 CegarLoopForPetriNet]: 64 programPoint places, -44 predicate places. [2021-03-25 05:29:25,928 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:29:25,928 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 20 places, 0 transitions, 0 flow [2021-03-25 05:29:25,928 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 20 places, 0 transitions, 0 flow [2021-03-25 05:29:25,928 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-03-25 05:29:25,928 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-03-25 05:29:25,928 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:29:25,928 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. [2021-03-25 05:29:25,928 INFO L142 LiptonReduction]: Number of co-enabled transitions 0 [2021-03-25 05:29:25,928 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:29:25,928 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:29:25,928 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 0 [2021-03-25 05:29:25,929 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-03-25 05:29:25,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 154.125) internal successors, (1233), 8 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:29:25,929 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-03-25 05:29:25,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:29:25 BasicIcfg [2021-03-25 05:29:25,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 05:29:25,932 INFO L168 Benchmark]: Toolchain (without parser) took 32606.53 ms. Allocated memory was 312.5 MB in the beginning and 692.1 MB in the end (delta: 379.6 MB). Free memory was 273.6 MB in the beginning and 645.9 MB in the end (delta: -372.2 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 312.5 MB. Free memory was 293.9 MB in the beginning and 293.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.52 ms. Allocated memory is still 312.5 MB. Free memory was 273.5 MB in the beginning and 255.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.17 ms. Allocated memory is still 312.5 MB. Free memory was 255.9 MB in the beginning and 252.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: Boogie Preprocessor took 49.17 ms. Allocated memory is still 312.5 MB. Free memory was 252.7 MB in the beginning and 249.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: RCFGBuilder took 437.52 ms. Allocated memory is still 312.5 MB. Free memory was 249.6 MB in the beginning and 202.4 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L168 Benchmark]: TraceAbstraction took 31263.88 ms. Allocated memory was 312.5 MB in the beginning and 692.1 MB in the end (delta: 379.6 MB). Free memory was 201.4 MB in the beginning and 645.9 MB in the end (delta: -444.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 05:29:25,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 312.5 MB. Free memory was 293.9 MB in the beginning and 293.7 MB in the end (delta: 136.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 778.52 ms. Allocated memory is still 312.5 MB. Free memory was 273.5 MB in the beginning and 255.9 MB in the end (delta: 17.6 MB). Peak memory consumption was 78.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 72.17 ms. Allocated memory is still 312.5 MB. Free memory was 255.9 MB in the beginning and 252.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 49.17 ms. Allocated memory is still 312.5 MB. Free memory was 252.7 MB in the beginning and 249.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 437.52 ms. Allocated memory is still 312.5 MB. Free memory was 249.6 MB in the beginning and 202.4 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 31263.88 ms. Allocated memory was 312.5 MB in the beginning and 692.1 MB in the end (delta: 379.6 MB). Free memory was 201.4 MB in the beginning and 645.9 MB in the end (delta: -444.5 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: 2382.4ms, 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: 1528, positive: 1448, positive conditional: 0, positive unconditional: 1448, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1112, positive: 1088, positive conditional: 0, positive unconditional: 1088, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1112, positive: 1088, positive conditional: 0, positive unconditional: 1088, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1528, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 1112, unknown conditional: 0, unknown unconditional: 1112] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 26, Positive conditional cache size: 0, Positive unconditional cache size: 26, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10496.9ms, 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: 428, positive: 295, positive conditional: 0, positive unconditional: 295, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 77, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 428, positive: 231, positive conditional: 0, positive unconditional: 231, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 77, unknown conditional: 0, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 23, Negative conditional cache size: 0, Negative unconditional cache size: 23 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 282.6ms, 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: 224, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 224, positive: 145, positive conditional: 0, positive unconditional: 145, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 32.8ms, 35 PlacesBefore, 35 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 292 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 224 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 47, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.1ms, 37 PlacesBefore, 36 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 312 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 852 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 198, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 198, positive: 140, positive conditional: 0, positive unconditional: 140, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 19, unknown conditional: 0, unknown unconditional: 19] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.3ms, 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: 24, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 24, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 112.1ms, 39 PlacesBefore, 39 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 176 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 140 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.2ms, 56 PlacesBefore, 53 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 210 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 68, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 68, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.8ms, 59 PlacesBefore, 59 PlacesAfterwards, 70 TransitionsBefore, 70 TransitionsAfterwards, 222 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 252 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 51, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 40.0ms, 61 PlacesBefore, 61 PlacesAfterwards, 69 TransitionsBefore, 69 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 213 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, 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: 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] , Cache Queries: [ total: 27, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 92.4ms, 76 PlacesBefore, 73 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 653 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 37, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 36, negative conditional: 0, negative unconditional: 36, 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: 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] , Cache Queries: [ total: 37, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 65, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 571.4ms, 66 PlacesBefore, 60 PlacesAfterwards, 51 TransitionsBefore, 49 TransitionsAfterwards, 112 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 8 TotalNumberOfCompositions, 266 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 70, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 30, Positive conditional cache size: 0, Positive unconditional cache size: 30, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 185.5ms, 69 PlacesBefore, 62 PlacesAfterwards, 47 TransitionsBefore, 46 TransitionsAfterwards, 88 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 149 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 43, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 31, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3ms, 65 PlacesBefore, 65 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 47 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ 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] , 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: 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] , Cache Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.4ms, 72 PlacesBefore, 65 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 86 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 54 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 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] , Cache Queries: [ total: 8, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 32, Positive cache size: 20, Positive conditional cache size: 0, Positive unconditional cache size: 20, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3ms, 70 PlacesBefore, 70 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 46 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 13, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 13, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.1ms, 82 PlacesBefore, 74 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 58 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 34 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 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] , Cache Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.7ms, 71 PlacesBefore, 71 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 30 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 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] , Cache Queries: [ total: 11, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 36, Positive cache size: 23, Positive conditional cache size: 0, Positive unconditional cache size: 23, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 168.3ms, 72 PlacesBefore, 69 PlacesAfterwards, 48 TransitionsBefore, 47 TransitionsAfterwards, 36 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 35 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 15, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 27, Positive cache size: 17, Positive conditional cache size: 0, Positive unconditional cache size: 17, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 60.3ms, 77 PlacesBefore, 76 PlacesAfterwards, 51 TransitionsBefore, 50 TransitionsAfterwards, 34 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 32 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 14, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 14, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 19, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.2ms, 77 PlacesBefore, 73 PlacesAfterwards, 49 TransitionsBefore, 49 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: 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] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 21, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.1ms, 76 PlacesBefore, 76 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 16 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 9, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 23, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 603.9ms, 83 PlacesBefore, 76 PlacesAfterwards, 48 TransitionsBefore, 46 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 4 FixpointIterations, 3 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 64 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, 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: 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] , Cache Queries: [ total: 36, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 283.0ms, 72 PlacesBefore, 70 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 24 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 20 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ 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] , 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: 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] , Cache Queries: [ 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] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.7ms, 72 PlacesBefore, 72 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 16 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, 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: 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] , Cache Queries: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8ms, 81 PlacesBefore, 81 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 20 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.8ms, 87 PlacesBefore, 85 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 13, Positive conditional cache size: 0, Positive unconditional cache size: 13, Negative cache size: 9, Negative conditional cache size: 0, Negative unconditional cache size: 9 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.9ms, 85 PlacesBefore, 81 PlacesAfterwards, 59 TransitionsBefore, 58 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 8 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9ms, 82 PlacesBefore, 74 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 14 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.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] , 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: 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] , Cache 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] , Statistics on independence cache: Total cache size (in pairs): 17, Positive cache size: 11, Positive conditional cache size: 0, Positive unconditional cache size: 11, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 498.0ms, 72 PlacesBefore, 46 PlacesAfterwards, 17 TransitionsBefore, 13 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 3 FixpointIterations, 4 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 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: 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] , 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): 4, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.0ms, 20 PlacesBefore, 20 PlacesAfterwards, 12 TransitionsBefore, 12 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: 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] , 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): 4, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.5ms, 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: 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] , 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): 4, Positive cache size: 3, Positive conditional cache size: 0, Positive unconditional cache size: 3, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1 - 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: 1.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 31159.6ms, OverallIterations: 31, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9052.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2516.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 358 SDtfs, 508 SDslu, 453 SDs, 0 SdLazy, 5031 SolverSat, 441 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4272.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 34 SyntacticMatches, 30 SemanticMatches, 289 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 5692.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=843occurred in iteration=10, InterpolantAutomatonStates: 228, 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: 46.9ms SsaConstructionTime, 562.1ms SatisfiabilityAnalysisTime, 4723.6ms InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 9227 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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...